Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8123540 | Lamp socket having a rotor assembly A socket assembly includes a rotor assembly, a housing, and at least one electrical contact. The rotor assembly has an axis of rotation and defines a channel. The rotor assembly is adapted to receive at least one lamp pin within the channel from an edge of the rotor... | 02/28/2012 |
| 7491077 | Switch lampholder The invention is to provide a switch lamp holder, which comprises: a core, having a switch control element stretched from its lateral and a set of penetrating orifices which are residing at the oblique areas of the core, and joining a hollow chamber at its one end; ... | 02/17/2009 |
| 7267567 | Lamp socket with lever holder A socket (10) for a lamp (12) having a projecting electrical contact (14) at least at one end, the socket (10) comprising: an electrically insulating housing (16) having a bottom surface (18) for attachment to a base (20 | 09/11/2007 |
| 7261572 | Self-balanced land grid array socket According to a first embodiment of the invention, a Land Grid Array (LGA) socket includes two sets of spring-loaded contacts, the contacts in the first set having an orientation opposite the contacts in the second set. Each set of contacts is positioned such that th... | 08/28/2007 |
| 7247040 | Holder for bipin tube-type fluorescent lamp A lampholder has an inner part centered on an axis and formed with a radially extending and axially open inner slot having a predetermined small width. It also has an outer part surrounding the inner part and formed relative to the axis with a radially extending and... | 07/24/2007 |
| 7198505 | Light socket 3 Improvements to a 3-way light bulb socket are shown. The major improvement is to replace or complement the rigid middle contact element of the socket with an elastic/flexible contact spring. The 3-way light bulb has a solder blob on its middle contact ring, w... | 04/03/2007 |
| 7189095 | Lamp socket for two different types of lamps A lamp socket includes a socket having a bottom from which an outer wall and an inner wall extend. A base is engaged with the space defined by the inner wall and two first wires are connected with the base. Two flexible contact pieces each have a first end fixed to ... | 03/13/2007 |
| 7165990 | Lamp socket with novel wire connector A wire connector (10) has an electrically insulating housing (12) with a bottom surface (14) for attachment to a base (16) and an upper surface (18) having a wire-receiving groove (20) formed therein. An electrical contact r... | 01/23/2007 |
| 7153151 | Holder for bipin tube-type fluorescent lamp A lampholder having an inner part and an outer part is formed relative to an axis with a radially extending and axially open slot in turn having an inner portion in the inner part and an outer portion in the outer part. The portions are alignable with each other and... | 12/26/2006 |
| 7059888 | High temperature lamp connector and socket for double-ended lamp A socket (5) for a double-ended lamp (12) comprises a pair of opposed connectors (10) including single-piece ceramic housings (14) each having a top surface (16) and a bottom surface (18) and including a contact receiving ar... | 06/13/2006 |
| 7008259 | Heavy duty, high efficiency jumper cables A heavy duty, high efficiency jumper cable system designed to deliver 250 to 3,800 amps with minimal loss by transmitting current from a source through a cable/terminal connector through a heavy duty cable to a second cable/terminal connector and then to a discharge... | 03/07/2006 |
| 6979230 | Light socket Improvements to 3-way light bulbs and to their electrical sockets are shown. The major improvement is to replace the rigid middle contact element of the socket by an elastic contact spring. Other improvements are described, which can be applied to the bulbs as well.... | 12/27/2005 |
| 6676425 | Lamp length compensation system In one general aspect, a lamp length compensation system includes a lamp socket, a retention clip, and a flexible member. The retention clip has a movement stop and is mounted to a wall to slideably retain the lamp socket between the wall and the movement... | 01/13/2004 |
| 6634902 | Purification lamp connector A first pair of axially extending terminals on a high voltage insulation plug designed to mount on an end of a gas discharge lamp are separated from each other by a wall that carries a second pair of axially extending terminals mounted on the wall spaced ... | 10/21/2003 |
| 6431895 | Fluorescent tube base with terminal shorting clip A fluorescent tube base comprises a body and a cover detachably attached to the body. The body is provided with two conductive pieces and a bridging or shorting piece connecting the two conductive pieces. The conductive pieces are provided with a through ... | 08/13/2002 |
| 6364679 | Rotorless holder for fluorescent lamps A holder provided, in particular, for fluorescent lamps with a two-pin base has a branching insertion slot which preferably has a circular section and, intersecting the latter, a section of rectilinear construction. Arranged on both sides of the bifurcati... | 04/02/2002 |
| 6290522 | Fluorescent lampholder Lampholders to be used with cold cathode fluorescent lamps of the type that do not require heated internal filaments. A lamp pin contact to engage one of the two lamp pins at each end of the lamp provides the electrical circuit between a high voltage ball... | 09/18/2001 |
| 6159029 | Fluorescent lamp holder A lamp holder carries a fluorescent lamp which includes first and second contact pins, with each contact pin having a diameter. The lamp holder includes a socket having a pair of walls defining a clearance distance therebetween which is at all times great... | 12/12/2000 |
| 6045387 | Socket for two-pin lamps A socket for two-pin lamps, wherein the socket has a housing defining chambers for receiving contacts for the lamp pins and the housing has insertion openings for the lamp pins, and wherein the ends of the pins have heads which contact the contacts in the... | 04/04/2000 |
| 5816837 | Fluorescent-lamp socket assembly A fluorescent-lamp socket assembly has a socket, a standard base, and a starter base. The socket has a nonconductive housing having an open end and a pair of conductors in the housing engageable with contact pins of a lamp fitted to the housing and expose... | 10/06/1998 |
| 5542857 | Lamps and lamp holders in display lighting A lamp assembly comprises a lamp having a plurality of terminal pins projecting from a base, and a lamp holder having terminal contacts for engaging the pins. The lamp is first located in the holder by inserting the pins into respective openings in a base... | 08/06/1996 |
| 4565415 | Socket for fluorescent lamps Sockets for fluorescent lamps of the type which have a pair of parallel bayonet pins in each end thereof, the lamp adapted to be moved at right angle to the axis of the lamp in order cause the pins at opposite ends to enter grooves or channels formed in t... | 01/21/1986 |
| 4565414 | Battery clamp The battery terminal clamp is capable of being received by batteries having either top post or side terminals. A connector is slidably carried between the clamp portions of a battery clamp. The connector includes a pair of longitudinal arms and interconne... | 01/21/1986 |
| 4460226 | Electrical connector for luminous displays An electrical connector is disclosed for luminous displays having one or more gaseous electric discharge tubes provided with electrode contact bearing ends and disposed within a letter or sign housing mounted at the exterior side of a building wall. An el... | 07/17/1984 |
| 3975073 | Fluorescent lampholder with means for circuit interruption A lampholder with means for circuit interruption upon lamp removal is provided with a pair of circuit interrupting contact members that are located within a housing by means of projections from the housing front and back elements. One of the contact membe... | 08/17/1976 |
