"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 6921284 | Electrical connector An electrical connector (100) includes a housing (110) and a light source (120) inside the housing. The housing has a surface (130). A first portion of the surface permits the passage of a first amount of light from the light source, and ... | 07/26/2005 |
| 6636000 | Plasma display device with flexible circuit boards and connectors A plasma display device has a pair of substrates having electrodes and terminals provided at ends of the electrodes. Driving circuits supply a driving voltage to the electrodes via flexible printed circuit boards to emit light. Connectors are detachably a... | 10/21/2003 |
| 5569042 | Light fixture with safety sockets A light fixture for a double-ended lamp includes a first insulator containing a first electrical socket and a well in communication therewith and having a greater depth than the first socket. A second insulator has a second electrical socket and a slot in... | 10/29/1996 |
| 5126619 | Discharge lamp unit A discharge lamp unit in which a pair of terminal and lead support assemblies (A, B), composed of a pair of metal connector terminals (123, 125) and a pair of metal lead supports (122, 124), are fixedly held by a molded resin lamp holder (120) in such a m... | 06/30/1992 |
| 5122074 | Flourescent lamp holder mount A one-piece, molded plastic spring clip, which is substantially inverted U-shape in cross-section, has a bight portion including an opening receiving a screw threaded fastener to attach the clip to the rear surface of a lamp holder so that the screw threa... | 06/16/1992 |
| 5063486 | Mounting apparatus for a fluorescent lamp holder A mounting apparatus for fluorescent lamp holders in a fluorescent sign frame including a stationary and a compressible lamp holder for each lamp detachably connectable to an attachment bracket having a forward projecting pair of parallel latch tongues ad... | 11/05/1991 |
| 4954099 | Electrode receptacle In an electrical receptacle having a generally hollow cylindrical section for receiving a high tension wire at one end and a neon tube at another end, said neon tube adapted for electrical connection with said high tension wire interiorally of said hollow... | 09/04/1990 |
| 4092706 | Portable fluorescent light A portable fluorescent light utilizing a fluorescent tube mounted in an elongated transparent tubular plastic housing with protective end caps. A power cord with associated ballast is used to connect the unit to a power source. Sockets for the fluorescent... | 05/30/1978 |