The invention concerns a method for optimizing antenna pattern assignment for a first wireless communication device forming a wireless network with at least one second wireless communication device, each of said communication device being equipped with a multi-sector antenna, an antenna pattern being a combination of said antenna sectors, said communication devices being adapted for sending a request and for receiving a response using a current antenna pattern assignment, said method comprising a step of: evaluating by said first communication device a first value;sending by said first communication device to said second communication device a broadcast request comprising said valuereceiving by said first communication device, a response to said broadcast request, said response being sent by said second communication device, said response depending on a second value evaluated by said second device;Switching or not, by said first communication device, to a new antenna sector assignment depending on said response; According to the invention the first value is evaluated by minimizing a first local function according to the received signal strength received by said first communication device having said current antenna pattern assignment and the second value is evaluated by minimizing a second local function according to the received signal strength received by said second communication device for its own current antenna pattern assignment.

This provides for controlling mobile device functions and features. For example, it limits or disables the use of some of mobile device features which could cause distraction to the user, when the user is engaged in another activity. In an example, it enables other mobile device features based on occurrence of events related to the user or environment. Another example addresses controlling the mobile device features, such as SMS, while the user is in a vehicle or driving. Another example restricts the ability of the driver of a vehicle to text, while the vehicle is in motion, by automatically disabling the texting ability of mobile device within and around the perimeter of the driver's seat. Other variations, examples, improvements, detection mechanisms, models, techniques, calculations, verification mechanisms, and features are also described in details.

A voicemail receptionist system includes a memory and a processor. The memory can store data relating to one or more users. An incoming communication can be handled by the voicemail receptionist system and provided with functionality based upon a user's preferences, for example. The data stored by the voicemail receptionist system can be updated at any time, or automatically updated upon updating of the data, or upon occurrence of a trigger event. Voicemail receptionist functionality can include standard voicemail system functionality as well as functionality relating to email, text messaging, MMS messaging, calendar features, schedule announcements, location data, as well as other features.

A device for reducing sound from an air treatment unit includes, in one embodiment, a wall curb. The air treatment system includes a supply opening and a return opening. The wall curb includes a frame portion defining an interior chamber. A partition divides the interior chamber into a supply plenum in a first portion of the interior chamber and a return plenum in a second portion of the interior chamber. A curb supply opening is formed through the perimeter frame in communication with the supply plenum. A curb return opening is formed through the perimeter frame in communication with the return plenum. The curb return opening is positioned such that airflow through the return plenum is non-linear and a sound absorbing material may be positioned on at least some inside surfaces of the return plenum.

A cabinet structure for a switchgear assembly. The cabinet structure includes a cabinet having upper and lower vents and a breaker cradle for holding a circuit breaker having primary disconnects for connecting the circuit breaker to bus bars. The cabinet further includes an air passageway located between the upper and lower vents, wherein the air passageway extends vertically through the primary disconnects and the cabinet. Further, the cabinet includes a fan module having at least one fan for drawing outside air through the lower vent, the air passageway and the primary disconnects for cooling the primary disconnects.

The invention provides storage enclosure, comprising an enclosure housing; one or more drawers slidably arranged within the enclosure housing, wherein each drawer has a pivotably mounted midplane having storage media coupled thereto wherein the storage media are coupled to both sides of the pivotably mounted midplane.

An elongated nozzle for distributing airflow in varying directions may include at least one set of channels. Each set may include a plurality of groups of channels. Each set may further include spaced-apart opposed dividers extending lengthwise along an elongated length of the nozzle, and spaced-apart channel side-walls extending between the spaced-apart opposed dividers. The opposed dividers and the spaced-apart channel side-walls may form the channels of each set. At least one of the spaced-apart opposed dividers of each set may be oriented at a first angle which is non-parallel to an imaginary vertical plane extending along the elongated length of the nozzle. Within each set, the spaced-apart channel side-walls of each group of channels may be oriented at different second angles, relative to an imaginary vertical plane extending along a width of the nozzle, than the spaced-apart channel side-walls of other groups of channels.

An air guide element (10) for an aircraft air conditioning system comprises a housing (12), which has an air inlet opening (14) and an air outlet opening (16). The air inlet opening (14) and the air outlet opening (16) are disposed in such a way and the housing (12) is shaped in such a way that air that is fed to the air guide element (10) through the air inlet opening (14), as it flows through the air guide element (10), is deflected at an angle of ca. 45° to 135° relative to the direction of the air flow through the air inlet opening (14). A cross-sectional area of flow of the housing (12) that is disposed at right angles to the direction of the air flow through the air outlet opening (16) is subdivided into at least two regions (18a, 18b, 18c). In each of said regions (18a, 18b, 18c) an easily accessible, removable and exchangeable calibrating element (20a, 20b, 20c) is disposed, which is designed to generate, in the air flow passing through a region (18a, 18b, 18c) that is associated with a respective calibrating element (20a, 20b, 20c), a pressure loss that is constant over said region (18a, 1b, 18c).

A system for ventilating an explosion hazard region of an aircraft includes a ram-air channel, which has an air inlet for feeding ambient air into the ram-air channel as well as an air outlet. The ram-air channel is devised to feed air to a device that is to be cooled on board the aircraft. A ventilation line has an air inlet for feeding air flowing through the ram-air channel into the ventilation line as well as an air outlet. The ventilation line is devised to feed air to a region of the aircraft that is to be ventilated. An accumulator is disposed between the ram-air channel and the air inlet of the ventilation line and is devised to convert the dynamic pressure of the air flow conveyed through the ram-air channel at least partially into static pressure for regulating flow through the explosion hazard region.

A system for air-conditioning an aircraft cabin includes an air conditioning unit connected to a central mixer, a first recirculation system designed to remove exhaust air from a first aircraft cabin region and connected to the central mixer, and a second recirculation system designed to remove exhaust air from a second aircraft cabin region and connected to a local mixer. A control device is designed to control the second recirculation system to reduce an air volume flow being removed from the second aircraft cabin region when shifting from a first operating state (e.g., normal operation) to a second operating state (e.g., defined operating situations such as when quick cooling is desired). The air volume being removed from the first aircraft cabin region may be increased accordingly in the second operating state.

A tractor cab HVAC system has a blower (22) which draws air into the system via air intake means (13) in the roof (14) of the cab (10). Ducting (15) in the roof of the cab directs air drawn in via the intake means down the center of one or more hollow adjacent pillars (16) of the cab to an air filter (18) contained in a housing (20) located between the adjacent pillars. Further ducting (19) extends from the air filter housing to an HVAC unit (11), the HVAC unit processing the air drawn into the system prior to discharging the processed air into the cab. The filter housing (20) is of generally rectangular form and is connected at opposite ends to the two hollow adjacent pillars (16) of the cab via inlet openings (20a) in the housing to allow the passage of intake air from the pillars to the filter (18).

This application relates to ventilation systems, more particularly to roof ventilation systems that help to protect buildings against fires. The roof vent has an ember impedance structure that impedes the entry of flames and embers or other floating burning materials while still permitting sufficient air flow to adequately ventilate a building. Several configurations of vents employing baffle members and fire-resistant mesh material are described, which can substantially prevent the ingress of floating embers and flames.

An isolator includes a work chamber, a sterilizing substance supply unit, a gas flow channel pressure adjustment unit, a work chamber barometer, and a controller. The controller is configured to control execution of a gas flow channel leak test for checking a gas leak in a gas flow channel based on a detection result by the work chamber barometer after making the gas flow channel pressure adjustment unit increase or decrease the pressure in the gas flow channel, and is configured to control supply of the sterilizing substance by the sterilizing substance supply unit. The controller performs heating of a heater, which accompanies the supply of the sterilizing substance, in parallel with the gas flow channel leak test.

The present invention is directed to apparatus and methods for cooling computer servers and/or electrical equipment in a rack device for data centers or telecommunication centers.

A vehicle is provided including a battery module, a DC/DC converter module portioned from the battery module, a duct, one blower, and a jumper duct. The battery module includes inlet and outlet ports. The DC/DC converter module includes inlet and outlet ports. A duct is arranged to direct cooling air into each of the inlet ports. The blower is arranged to draw cooling air from the duct, through the modules, and out the outlet ports. The jumper duct is arranged up stream of the blower with the converter outlet port, and configured to reduce an effective cross sectional area of the converter outlet port to define a flow rate of the cooling air into the battery inlet port.

It is an object to ease discomfort feeling caused by ear fullness for passengers of an elevator. An air pressure control device 104 controls an air pressure in an elevator car 102 using an air pressure adjusting device 105 such as a blower, an air compressor, etc. In the air pressure control device 104, a departure/arrival control unit 121 largely changes the air pressure in the elevator car 102 in the first period which is a time zone at the time of departing from a departure floor (or at the time of arriving at an arrival floor), and an except departure/arrival control unit 122 slightly changes the air pressure in the elevator car 102 in the subsequent second period (or in a time period until arrival). By this 2-step air pressure control, the passenger is prompted to clear the ear in a short time T1, the ear fullness is resolved by the ear clearing, and thereafter, the passenger can ascend/descend with the elevator car 102 comfortably until arriving at the arrival floor.

A chassis and rack system is disclosed in which a chassis separated into two separate enclosures by a central partition. Each of the enclosures is sized to receive a computer system. The partition includes a pair of vertically oriented vents, with each of the vents in fluid communication with one of the enclosures and the computer system contained therein. Heated air is removed from each computer system through the vent in the partition that is associated with the computer system. Multiple chassis may be placed one atop another in a vertical configuration in which each chassis is either directly above or directly below another chassis. In this vertical configuration, the vents form a vertically oriented common plenum that can be used to evacuate air from multiple chassis arranged in a rack.

An installation for cooling an electronic device includes an air conditioner having an air outlet for blowing cooling air to a room; a first detector adjacent to the air outlet of the air conditioner, for detecting a temperature of the cooling air; a rack accommodating the electronic device, the rack having an air inlet for receiving the cooling air from the air conditioner and an air outlet for exhausting air to the room; a second detector adjacent to the air inlet of the rack, for detecting a temperature of air received through the air inlet of the rack; and a controller for acquiring the temperatures detected by the first and the second detectors, and controlling a quantity of the cooling air blown from the air outlet of the air conditioner so as to decrease a difference between the temperatures detected by the first and the second detectors.

A rack server system includes a container, an electrically conductive component, a power supply, a signal connecting base, a server, and an RMC. The electrically conductive component and the signal connecting base are fixed in the container. The power supply is electrically connected to the electrically conductive component for supplying a direct current power. The signal connecting base includes multiple connectors. The server, disposed in the container removably, includes a power input port and a connecting element. The power input port is electrically connected to the electrically conductive component removably. The connecting element is connected to the connector removably. When the connecting element is electrically connected to the connector, the RMC communicates with the server via the connecting element and the one of the connectors and determines the position of the server in the container according to another position of the connector which is electrically connected to the server.

An elevator apparatus includes an elevator car; an air blower including an air inlet and an air outlet; ducts each having one end individually connected to the elevator car, the air inlet and the air outlet; intake and exhaust air volume adjusting means having the other end of each of the ducts connected thereto, which adjusts an intake and exhaust volume of air in the elevator car by varying a volume of air that bypasses the car to flow from the air outlet to the air inlet of the air blower; and control means that controls the intake and exhaust air volume adjusting means, to adjust air pressure within the car to set air pressure. The elevator apparatus adjusts air pressure within the elevator car, even when there is a small differential pressure between the set air pressure within the car and an air pressure outside the car.

An air conditioning apparatus has, a first domed door comprising a first pivot and a first sealing surface, and a second domed door comprising a second pivot and a second sealing surface, wherein, said second pivot is positioned different from said second pivot. With the above structure, the radial gap between the first sealing surface and the second sealing surface is varied when at least one of the two domed doors is moved. Accordingly, the air conditioning apparatus described above does not have to set the constant small radial gap or constant wide radial gap for the sake of reducing unintentional air leaking or preventing said friction.

A ventilated roof features an elongated vent having a vent opening and an elongated vent shingle supporting surface. The vent opening is in fluid communication with a slot defined by the top surface of a roof deck and communicating through the roof deck. An end cap has an end cap shingle supporting surface and is located adjacent to an end of the elongated vent. The vent and the end cap adjacent to the vent are supported in an equivalent spaced-apart relation to the top surface of the roof deck. The elongated vent shingle supporting surface, the end cap shingle supporting surface and the top surface of the roof deck provide a substantially continuous support to a shingle overlapping any two of those elements.

A method of controlling the ventilation system for an energy source in a fuel cell vehicle is disclosed, which includes an HVAC system, a fluid reserve, and a rechargeable energy storage system (RESS), capable of controlling a temperature of the RESS to militate against damage to or a shortened life of the battery, while maximizing vehicle durability, efficiency, performance, and passenger comfort.

A register for air-conditioning includes a tubular register having an air passage and a blowoff opening and register fins 2 for regulating the wind direction of conditioned air blowing out from the blowoff opening. The register fin 2 includes a plate-like fin main body 3 and a pair of plate-like fin covers 4 and 5 assembled so as to sandwich the fin main body 3 from both sides of the fin main body 3 with the end face of the fin main body 3 on the vehicle cabin side being exposed. The fin main body 3 is provided with a plurality of engaging holes 31. The fin covers 4 and 5 are provided, at the positions corresponding to the engaging holes 31, with a plurality of engaging claws (41) and 51 protruding in the thickness direction from the surfaces facing the fin main body 3. The fin main body 3 and the fin covers 4 and 5 are assembled by engaging the engaging holes 31 with the engaging claws (41) and 51.

A heat exchange and ventilation system integrated with a hollow core concrete floor having an air passage therethrough with an inlet and outlet for receiving air and permitting relative heat exchange therebetween; a raised floor supported by said hollow core concrete floor, defining a floor plenum between said hollow core concrete floor and said raised floor, said floor plenum communicating with said outlet so as to receive air from said air passage through said hollow core concrete floor; and adjustable terminal means carried by said raised floor for delivering a portion of said air from said floor plenum into a space above said floor. A method of conditioning air through a hollow core medium supporting a raised floor is also disclosed.

A mounting flange for attaching an HVAC air diffuser terminal in an opening in a floor or other mounting surface. The mounting flange includes a trim ring and a flange clip. The flange clip is adjustably and movably received in a slot defined a side of the trim ring. A pawl on the flange clip engages with ratchets defined in a surface of the trim ring adjacent to the slot to maintain the flange clip in selected position relative the underside of a floor. The air diffuser terminal is secured in the floor opening between gripping surfaces on the flange clip and the trim ring. An optional screw operably connects the flange clip with the trim ring so that the diffuser may be securely tightened in the floor opening.

An embodiment includes a first space, a second space, a first damper, a second damper, and a third damper. The first space is connected to a cold space, having cold air reside therein to send to the cold space. The second space has return air reside therein, as it is discharged from a hot space. The first damper has an opening adjusted under control of a controller to take in outdoor air to the first space, and is operable to have an open state in an emergency with a server being supplied with power. The second damper has an opening adjusted under control of the controller to discharge return air in the second space, outside thereof, and is operable to have an open state in the emergency. The third damper has an opening adjusted under control of the controller to recirculate return air in the second space to the first space.

An air passage device for installation into a mounting opening (50) in a wall (51) for components generating waste heat, such as a switch box, includes a base housing (21; 221) with a fan support (25) and a design cover (80; 280), wherein the design cover (80; 280) has on an air inlet side a covering device (100) constructed as a fan grid (10; 210) with sheet elements (90, 90'; 290, 290'). At least one swivellable sheet element (90) or at least one flexible, tongue-shaped side wall section (235), separated from the remaining side wall surface by slits (332, 333) running transversely to the longitudinal direction of the side wall, is formed in the region of the upper side wall of the design cover (80; 280) facing away from the swivel axis (26; 226) for swivelling the design cover (80; 280), wherein the sheet element (90) and the tongue-shaped side wall section (235) are formed between the design cover (80; 280) and the base housing (21; 221) as a detachable and lockable detent connection (40; 240), that can be operated by a finger.

An air duct assembly includes upper and lower pliable sheets that can be assembled in a sequence that makes the assembly easier to install and later easier to remove for periodic cleaning. To install the assembly, the upper sheet can be installed first by inserting the edges of the upper sheet within a pair of tracks and then fastening the upper sheet to a vertical supply air duct. An optional airflow modifier (e.g., filter, airflow turning vane, or noise attenuator) can be install where the supply air duct connects to the upper sheet. Once the upper sheet is suspended from the tracks and fastened to the main supply air duct, the lower sheet can be installed separately. Pliable end panels and pliable fasteners (e.g., zipper or VELCRO fastener) can make most of the air duct assembly machine washable. The upper and lower sheets can have different degrees of air permeability.

In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide.

A light directing composite film includes a planar top major surface, a planar bottom major surface, a plurality of lenticular lens elements disposed between the top major surface and the bottom major surface, and a plurality of light reflection regions and light transmission regions disposed between the plurality of lenticular lens and the planar bottom major surface.

A backlight module includes a carrier plate, a plurality of light sources, a plurality of circular Fresnel lenses, and a plurality of cylinder Fresnel lenses. The circular Fresnel lenses are arranged in an array form on the carrier plate. The light sources correspond to the circular Fresnel lenses, and are located in a side away from the carrier plate. One cylinder Fresnel lens is set between every two adjacent circular Fresnel lenses. A length direction of each cylinder Fresnel lens is parallel to an extending direction of adjacent column of the circular Fresnel lens. The circular and cylinder Fresnel lenses are used to reflect a light incident into their surfaces, and to increase an emission angle of the reflected light.

A lens holder (6) has: a lens holding section (21), which elastically holds a flange (17) of a lens (5); a section to be pressed (22), which is positioned to surround the lens holding section (21), and is fixed to a substrate (3) by being pressed to the substrate by means of a holder fixing means (2); and connecting sections (23, 24), which partially connect to each other the lens holding section (21) and the section to be pressed (22). The height of the section to be pressed (22) from the substrate (3) is more than the height of the lens holding section (21) from the substrate (3), and the lens holding section (21) is not in contact with the holder fixing means (2).

A reflector assembly for eliminating unwanted stray lights comprising a reflector body having a reflector body focal point on a reflector body optical axis where a light source is positioned and a front opening for receiving a lens, wherein the lens is configured to reflect light rays which emanate from the light source to strike the lens to the reflector body which is configured to reflect the light rays reflected by the lens back to the light source, and to reflect light rays which emanate from the light source and reflected by the reflector body to strike the lens back to the light source.

Certain example implementations of the disclosed technology include a light emitting device. The light emitting device may include an enclosure with four sides and a top edge surface associated with each of the four sides. The enclosure may be capable of mounting on a grid frame of a suspended ceiling such that a portion of the top edge surfaces contacts a portion of the grid frame. The light emitting device may further include a light modifying element characterized by a substrate with four or more edges, a back surface disposed on the top edge surface of each of the four sides of the enclosure, and a front surface. In certain example embodiments the substrate may further comprise two or more edge trusses. A periphery of the light-emitting front surface may be capable of contacting the grid frame after the light emitting device is mounted to the grid frame.

The invention relates to an optical device for imparting an asymmetrical light beam. The optical device comprises a lens (10) having an exit diopter (12) having an exit surface consisting of a convex surface (16) defining a curved rear portion (18) having a first curvature and a curved front portion (19) having a second curvature different from the first curvature. Furthermore the lens (10) comprises an entry diopter (11) including at least one concave lodging (13) for lodging at least one light source, the surface of the concave lodging (13) facing at least partly the curved rear portion (18).

A recessed lighting system is provided. The recessed lighting system includes a light module and a driver separately coupled to a chassis. The light module includes one or more rotatable prongs for allowing the light module to pivot while the driver and chassis remain static. By being mechanically separate, the driver does not interfere with the movement of the light module. In particular, since the light module is not directly coupled to and is mechanically separate from the driver, pivoting the light module does not require space in a cavity of an associated housing to accommodate the rotation of the driver. This independent freedom of movement allows the light module to achieve a greater degree of rotation in comparison to light modules that are mechanically dependent on drivers.

A light source device which can prevent the removal of light source elements of a light source device within a projector casing, a projector and a light source fabrication method are provided. An excitation light shining device 70 has a lens holding structure 79 and a light source holding structure 80 which are integrated together with excitation light sources held therebetween. The lens holding structure 79 has through holes 79f which first screw members 84 penetrate, and the light source holding structure 80 has screw holes 80h and screw holes 80k communicating with the screw holes 80h substantially at right angles. With the first screw members 84 penetrating the through holes 79f to be screwed into the screw holes 80h, screw thread portions of the first screw members 84 are pressed to be deformed plastically by distal end portions of the second screw members 85.

An LED lamp includes a base, a head connected to the base, an LED mounted on the base and a cover fixed on the base and covering the LED. The cover is made of metal and defines a plurality of through holes therein.

A saddle type vehicle provided with a headlight stay for permitting a harness laying operation to be easily carried out. A motorcycle is provided with the headlight stay which is supported on a head pipe and extends toward the vehicle front side from the head pipe. A headlight unit is attached to the headlight stay. The headlight stay includes a first stay extending forward from the head pipe, in a side view of the vehicle and a second stay which is supported in a cantilever manner by a front portion of the first stay and extends rearwardly and upwardly. The headlight unit is partly disposed on the front side of the second stay and is disposed so as to overlap with the first stay.

A lighting module comprising at least one first lighting device and one second lighting device; the first lighting device comprises a support common to at least one first light emitter generating a first light strip and at least one second light emitter generating a second light strip. The first light emitter is arranged relative to second light emitter so as to generate a zone that is unlit by the first lighting device between the first light strip and the second light strip. The at least one second lighting device generates at least one third light strip that extends in the zone that is unlit.

A decorative ornament capable of being completely illuminated about its surface including a hollow shell comprising a water-proof battery capsule is described. When the ornament is on display, the battery capsule is stored in a hollow shell of the ornament, in a manner such that only the removable lid of the battery capsule is visibly exposed. A battery pack, comprising one or more batteries, provides the power to illuminate the ornament and is enclosed within the battery capsule. The ornament surface is made using a water-resistant material. The battery capsule is made of a similar water-proof material and is sealed so as to prevent the battery pack from malfunctioning during various weather conditions. The battery pack's configuration enables the ornament to comprise a plurality of lighting modes, including full-on, blinking-on, and timer. The ornament can be displayed indoors or outdoors, and may be used year after year.

A display module has a display panel and a backlight module disposed on one side of the display panel. The backlight module includes a heat sink, a light bar, a light guide plate, a first reflective sheet, and a second reflective sheet. The light bar abuts against one side of the heat sink. The first reflective sheet is disposed adjacent to a bottom surface of the light guide plate, and the second reflective sheet is disposed adjacent to an edge of a light-emitting surface of the light guide plate. The second reflective sheet has a first part and a second part forming an included angle with the first part, the first part is attached to the heat sink or the light bar, and the second part overlaps a part of the light-emitting surface of the light guide plate.

A reflective color pixel has a top surface for receiving ambient light for front lighting, a plurality of sub-pixels including a first sub-pixel, and a waveguide disposed underneath the sub-pixels for transmitting light for backlighting to the sub-pixels. The first sub-pixel includes a first luminescent material configured to absorb either the ambient light or the light for backlighting and generate light of a first color.

The present invention relates to an aluminum extrusion heat sink structure and a corresponding backlight module. The aluminum extrusion heat sink structure comprises a light source connecting portion, a back plate connecting portion and a light guide plate support portion. The manufacture cost of the aluminum extrusion heat sink structure is lower, and the heat dissipation effect is better, so as to solve the technology problem that the volume of a traditional aluminum extrusion heat sink structure is larger caused the cost of the aluminum extrusion heat sink structure and the corresponding backlight module is higher.

Embodiments of the invention disclose a backlight unit, including: a light guide plate, a light source member, a reflection film, wherein: the light guide plate (LGP) includes a light incident side, a light emission side and a bottom side opposite to the light emission side, the light guide plate is for emitting light entered from the light incident side through the light emission side; the light source member is disposed on the light incident side of the LGP and light emitted by the light source member enters the LGP through the light incident side of the LGP; the reflection film is at least disposed on the bottom side of the LGP and is for reflecting light back into the LGP; wherein a reflection structure is disposed on the bottom side of the LGP and a microstructure is disposed on the light emission side of the LGP.

A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side.

A backlight module and a display device are provided. The backlight module includes a light guide, a bottom frame, and a first light bar. The light guide has a first light incident surface. The bottom frame has a clip portion, a first hole, and a first tongue piece, wherein the light guide is disposed in the bottom frame and clipped by the clip portion. A driver board is locked to the first tongue piece, and the first tongue piece is folded from the first hole. The first light bar is disposed between the first light incident surface of the light guide and the bottom frame, and the first light bar has a first connector. The first connector passes through the first hole, so that the first connector is outside the bottom frame.

A lead-free conductive paste composition contains a source of an electrically conductive metal, a fusible material, an optional additive, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the lead-free paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and fusible material.

A High Frequency light source has a central body of fused quartz, with a central void, filled with a fill in the void of material excitable by High Frequency energy to form a light emitting plasma. An inner sleeve of perforate metal shim extends along the length of the central body to provide a launching gap. The sleeve has a transverse end portion extending across the other, inner end of the central body. An outer cylinder of fused quartz with an internal bore such as to be a sliding fit with the inner sleeve, itself a sliding fit on the central body. An outer sleeve of perforate metal, enclosing the outer cylinder and having an end portion extending across the flush, void ends of the quartz body and cylinder and having a skirt extending past the flush over an aluminum carrier, clamped and holding the quartz elements against the carrier.