Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7530858 | Electrical junction systems and methods According to some embodiments, a junction assembly comprises a mounting base, a U-shaped front-facing spring clip mounted on the mounting base, a transverse release button passing through the mounting base, and a spring-loaded release check situated under the releas... | 05/12/2009 |
| 7413487 | Signal line connector A signal line connector for electrically connecting two signal lines is provided. The signal line connector includes a base, a conductive element, and two pressing elements. The base has two sockets, allowing terminals of the signal lines to be inserted into the bas... | 08/19/2008 |
| 7354306 | Pole terminal The invention relates to a pole terminal for producing an electrical connection. Said pole terminal comprises a metallic conductive body which is surrounded by an insulating body which can be fixed to the housing of an electrical appliance, and on which a tensioning... | 04/08/2008 |
| 7337503 | Window shade leveling devices Window shade adjustment and leveling devices for controllably grasping a window shade cord for setting and leveling a window shade. The devices have a body with a button member extending into the body and having protrusions locking therein using a form of bayonet lo... | 03/04/2008 |
| 7311540 | Safety mechanism adapted for a light bulb socket so as to securely receive therein an energy saving bulb A safety mechanism includes a pair of sliding blocks each movably received inside the light bulb socket and a releasing block operably connected to each of the pair of sliding blocks to activate movement of the sliding blocks for releasing an energy saving light bul... | 12/25/2007 |
| 7293995 | Electrical contact and connector system An electrical contact formed from a compliant folded sheet that includes a top surface, a bottom surface, a first contact edge and a second contact edge. A plurality of corrugations are formed in the top surface and the bottom surface that terminate at the first con... | 11/13/2007 |
| 7150659 | Method for electrically contacting a cable, cable connector and connector terminal block The cable connector for making an electrical contact with a cable (1) having a cable conductor (2), comprises a guiding means (4) for receiving one end (1a) of the cable (1) in an initial state (O), a contact element (6 | 12/19/2006 |
| 7097509 | Filtered terminal block assembly A terminal block assembly includes a base assembly including a terminal block housing and a terminal stud extending through the terminal block housing. A filter assembly is coupled to one end of the stud, and a second housing is coupled to the terminal block housing... | 08/29/2006 |
| 7051657 | Group firing system for firework unit Group firing system for firework unit, wherein it has 1–2 paper fuse tubes, which are assembled with other shot tubes. While both ends of the paper fuse tubes have male socket and female socket, so each firework unit could be connected to a firework group through ... | 05/30/2006 |
| 6743036 | Flat fluorescent light comprising a contact system A flat fluorescent light (1), comprises a discharge vessel that is composed of a based plate (3), face plate (4) and frame (5). A contact system (2) for connecting an electric power supply device by connection lines is integrated i... | 06/01/2004 |
| 6328580 | Connecting element for connecting cable shields An electrical connecting element includes a connector body containing an opening for receiving the exposed shield portions of a plurality of shielded cables, a pair of clamping devices being provided for resiliently biasing the shield portions of the cabl... | 12/11/2001 |
| 6244884 | Self docking electrical connector A self-docking connector includes first and third fixed contacts and an intermediate fixed contact. The first and third contacts are mounted on male and female connectors, respectively, and the intermediate contacts are mounted on a slideable plate. The p... | 06/12/2001 |
| 6146217 | Terminal unit A terminal unit having a metal terminal for holding an electrically conductive wire in cooperation with a plate spring, wherein a push button 6 is operated in one direction to rotatably disengage one end 4a of the plate spring 4 from the metal terminal 3 ... | 11/14/2000 |
| 6113439 | Adapter with a base housing for a bus bar system having a number of bus bars An adapter for a base housing to which suspension hooks are attached, is accessible for the insertion of connecting contacts to connect contact rails with bus bars. A pre-assembled unit including the contact support, a spring element and a connecting cont... | 09/05/2000 |
| 6099362 | Apparatus and method for testing magnetic disk drive components An apparatus for testing magnetic heads that interact with magnetic disks includes a translational slide and a rotatable arm mounted to one end of the slide. The translational slide moves the rotatable arm in a longitudinal direction parallel to the surfa... | 08/08/2000 |
| 5964625 | Spring loaded combination electrical binding post An electrical connection device or binding post (10) for forming electrical connections with various types of electrical connectors has a body (24) adapted for being disposed in an aperture (14) of a mounting panel (18). A head (26) is movably disposed in... | 10/12/1999 |
| 5944566 | Terminal for connecting an electrical conductor to a bus bar The terminal (1) with stirrup-shaped base member (4) and spring-loaded pressure plate (6) retained to slide between the stirrup lateral sides (4',4") includes a respective recess (10,11) on each of the lateral sides that enables the terminal (1) to be set... | 08/31/1999 |
| 5823832 | Electrical connector for use with an electroencephalograph electrode An electrical connector specifically structured for use with a cup-shaped electroencephalograph electrode includes a stationary inner stud and an outer shell mounted circumferentially about the inner stud and movable longitudinally and rotationally relati... | 10/20/1998 |
| 5814996 | Leakage detector having shielded contacts The noise received by the unused connectors limits the accuracy of a device for measuring the leakage from a piece of electronic medical equipment. To reduce noise the device is surrounded by a Faraday shield which encloses unused connectors of the device... | 09/29/1998 |
| 5498168 | Earthing mechanics for shielded cables A device for earthing a bundle of shielded cables as protection against high frequency electromagnetic interference includes a rectangular metal collar in electrically conductive contact with the equipment to which or from which the shielded cables run. T... | 03/12/1996 |
| 5449301 | Shunt connector A shunt connector provides for electrical connection of a pair of adjacent terminal pins inserted into a housing. A spring contact having a convex bowed body portion extends into a cavity in the housing where the pins are inserted. The terminal pins are i... | 09/12/1995 |
| 5376025 | Fixture for halogen lamps A fitting for halogen lamps of the type having plural contact pins has an insulating socket with a recess for each contact pin. Each recess confines a pivotable and reciprocable plate-like contact which is connected to a conductor and is biased by a coil ... | 12/27/1994 |
| 5342225 | Electrical connector for pyrotechnic applications An improved electrical connector for use in pyrotechnic displays. The connector uses a single piece conductor pin, a clamp and a spring. Wires from a pyrotechnic projectile are attached to the connector by pushing down on the clamp and compressing the spr... | 08/30/1994 |
| 5308266 | Universal electrical socket apparatus A socket apparatus, within which conductive terminals can be secured and electrically connected as desired, comprising of a housing member, lid, and means for securing conductive terminals within the housing member. The socket apparatus includes an apertu... | 05/03/1994 |
| 5094625 | Connection system for a shielded flat cable A system for connecting a flat shielded cable of the type comprising a stacking of three conductors, namely, one high voltage conductor and two low voltage equipotential conductors. The system comprises linking electric conductors partially uninsulated at... | 03/10/1992 |
| 5082456 | Connector A connector for a cable which includes a housing and the two clamping strips which are bent at their front ends and extend outwardly from an opening in the housing.... | 01/21/1992 |
| 5030139 | Clamping screw device Improved pilot devices having inserts comprising a spring-loaded stirrup for clamping electrical conductors, together with a screw for adjusting the clamping action of the stirrup and for releasably locking the stirrup in a fully open position to permit i... | 07/09/1991 |
| 5018993 | Wiring device terminal An improved wiring device terminal which provides a constant and predetermined compressive securing force on an electrical conductor wire being terminated on such device and which responds to thermally induced variations of the electrical conductor's dime... | 05/28/1991 |
| 4962285 | Electrically groundable swimming pool deck anchor of plastic material An electrically groundable swimming pool deck anchor of plastic material is provided, which has a resilient member for engaging in electrical grounding contact a swimming pool component to be held in the anchor.... | 10/09/1990 |
| 4942876 | Pacemaker terminal apparatus A pacemaker terminal for connecting an electrode lead having a proximal end includes a first section fixed to the pacemaker and a second section moveably engaged with the first section. A spring element is interposed between the first and second sections ... | 07/24/1990 |
| 4917619 | Tool changer for welding robot A tool changer for welding robot comprising: detachable male portions of connectors provided at a substrate fixed to a robot arm side for supplying electricity, gas, air, water to the tool side from the robot arm side; and detachable female portions of co... | 04/17/1990 |
| 4907989 | Terminal block insert device screw Improved terminal blocks having inserts comprising a spring-loaded stirrup for clamping electrical conductors, together with a screw for adjusting the clamping action of the stirrup and for releasably locking the stirrup in a fully open position to permit... | 03/13/1990 |
| 4907263 | Drain ground for telephone connector blocks A drain ground structure for use with telephone connector blocks interconnecting shielded conductor pairs in installations requiring maximum noise and induced current suppression. The structure includes an elongated coil spring capable of frictional engag... | 03/06/1990 |
| 4838815 | Connector assembly A plurality of spring housing holes are formed in a first surface of an insulation block of a socket connector, and contact insertion holes are formed in a second surface of the block in communication with the spring housing holes. In each spring housing ... | 06/13/1989 |
| 4832628 | Terminal block insert device Improved terminal blocks having inserts comprising a spring-loaded stirrup for clamping electrical conductors, together with a screw for adjusting the clamping action of the stirrup and for releasably locking the stirrup in a fully open position to permit... | 05/23/1989 |
| 4772232 | Lamp holding device The lamp holding device consists of a tubular electrically insulating sleeve with two bores extending transversally to the longitudinal axis of the sleeve, for receiving contact pins of a bulb, and two end pieces fixed to the ends of the sleeve, with elec... | 09/20/1988 |
| 4721358 | Optical and electrical connector device The device includes a first connector housing (7) in which end portions of a number of optical fibres (1) are secured and a second connector housing (11) in which a corresponding number of optical elements to be connected to the fibres, for example end po... | 01/26/1988 |
| 4695110 | Electrical connector apparatus An electrical assembly for mechanically and electrically coupling lengths of cables having stripped ends. The assembly comprises two identically constructed, electrically conductive, eccentric terminals, each for receiving and terminating a stripped cable... | 09/22/1987 |
| 4657333 | Safety electrical receptacle An electrical receptacle having at least one plug-receiving receptacle socket comprising a two-piece housing having contact fingers which are spring biased against a center post of the housing by a coil spring. The coil spring is interposed between the en... | 04/14/1987 |
| 4653841 | Low profile wedge base lamp bulb socket assembly A low profile socket assembly is provided for use with a wedge base type lamp bulb that has a reduced number of parts while providing uniform and reliable electrical contact. The socket assembly includes a housing having a socket adapted to receive the la... | 03/31/1987 |
