1
Anthony Buttitta, Karen L Hilton, Muzibul H Khan: Arrangement for providing a call hand-off for a mobile station from a land-line supported private base station to a cellular base station operating in a cellular system. Lucent Technologies, S R Williamson, June 15, 1999: US05913166 (83 worldwide citation)

A private wireless system is configured for providing a call hand-off capability for a mobile station communicating with a private base station operating in the wireless system. The call in the wireless system is handed off to the public cellular system whenever the mobile station is moved near the ...


2
Giovanni Vannucci: Wireless communication system. AT&T, S R Williamson, J J Trainor, April 30, 1996: US05513184 (61 worldwide citation)

The present invention overcomes the prior art limitations by dividing a coverage area into very small regions or cells. The inventive system can be built as an adjunct to a wired telecommunication system such as a PBX. Advantageously, because of the relatively small size of each cell, transceivers i ...


3
James R Fleming: Method and apparatus for compiling three-dimensional digital image information. Bell Telephone Laboratories Incorporated, H L Newman, S R Williamson, March 27, 1984: US04439760 (59 worldwide citation)

A method and apparatus, comprising a video data bus (8), a plurality of video memory modules (VM1-VMN), and bus arbitration circuits (BAC1-BACN) associated with each video memory module, are disclosed for compiling digital image information for display. A data processor (1) addresses the plurality o ...


4
Byung H Lee, John F Lynch Jr: Voice-actuated switching system. Bell Telephone Laboratories Incorporated, S R Williamson, May 15, 1984: US04449238 (51 worldwide citation)

A voice-actuated switching system selectively connects multiple microphones to an audio line in accordance with the output signal levels from each of the microphones. The state of each microphone is determined by its use and can exit in one of three states: selected, mixed, or off. The microphone wi ...


5
Robert R Miller II, Charles Small, John H Stothoff: Tuning arrangement for interfacing credit card-like device to a reader system. AT&T Information Systems, S R Williamson, October 30, 1984: US04480178 (50 worldwide citation)

A circuit for maximizing power transfer from a station to an interactive memory card via a capacitive interface. A reader system in the station generates an ac signal which provides operating power that is transferred to the card through the capacitive interface formed when the card is placed agains ...


6
Neng Shin Chen: Display rerouting apparatus for communication equipment. Lucent Technologies, S R Williamson, J J Brosemer, May 23, 2000: US06065844 (45 worldwide citation)

A display rerouting apparatus reroutes a displayed image from an image source in a display module for providing a redirected angular visibility for the displayed image. In an illustrative embodiment, the display rerouting apparatus includes a base panel having a rectangular opening or widow for posi ...


7
Gary L Spahn: Tamper protection for an automatic remote meter reading unit. Bell Telephone Laboratories Incorporated, S R Williamson, June 29, 1982: US04337466 (33 worldwide citation)

In a remote meter reading system, a tamper protection circuit provides a warning at a central station upon the disconnecting or tampering with a remote utility meter. Tamper protection is provided for the meter and for the transmission line carrying energy usage information to a transponder (500) su ...


8
Stephen G McWilliams: Tamper protection for an automatic remote meter reading unit. Bell Telephone Laboratories Incorporated, S R Williamson, November 2, 1982: US04357601 (28 worldwide citation)

In an automatic remote meter reading system, a tamper protection circuit (101) provides an alarm signal at a central station upon the disconnecting or tampering with a remote utility meter (100). Tamper protection is provided for the meter and for the transmission line carrying energy usage informat ...


9
Gregory Lese, Donald H Nash: Frequency modulation transmitter for voice or data. Bell Telephone Laboratories Incorporated, H L Newman, S R Williamson, November 29, 1983: US04418416 (25 worldwide citation)

A portable frequency modulation transmitter (1) for voice or data is disclosed for operation at infrared frequencies. The transmitter comprises keyboard (200) or microphone (402) input capability and dual modes of use. In the data mode, carrier is generated when the keyboard is operated and is not g ...


10
Scott H Early, David M Savidge: Button illumination for repertory dialer with low battery voltage indication. Bell Telephone Laboratories Incorporated, S R Williamson, July 13, 1982: US04339632 (24 worldwide citation)

A display illuminating circuit for a repertory dialer telephone set allows for a subscriber to operate a desired repertory button in low ambient light emergency situations. The circuit illuminates the desired buttons by distinguishable colors of light-emitting elements. Activation of the illuminatio ...