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Wireless Optical US Patents

A brief listing of some patents for wireless optical inventions. Please see the Delphion US patent server site, the US Patent and Trademark Office or the European patent server site websites for more details.

Patent Number Date Granted (m/d/y) Description Inventor(s) Applicant
US6141128 10/21/2000 Buffered laser communication link Korevaar; Eric J., Adhikari; Prasanna Astroterra Corporation
US6122084 09/19/2000 High dynamic range free-space optical communication receiver Britz; David Michael, Dodley; Jeevan Prakash, Rutledge; Christopher Lee AT&T Corp.
US6118567 09/12/2000 Efficient encoding and detection method and device for binary intensity modulated optical data signals Alameh; Rachid M., Eastmond; Bruce C., Walczak; Thomas J. Motorola, Inc.
US6118131 11/12/2000 Directional optics for a system for directing a laser beam toward an active area Korevaar; Eric J. Astro Terra Corporation
US6104513 08/15/2000 High bandwidth communication system for large buildings Bloom; Scott H. Air Fiber, Inc.
US6091074 07/18/2000 System for directing a laser beam toward an active area Korevaar; Eric J. Astroterra Corporation
US6081356 06/27/2000 Integrated optical ports Branc; Joseph R., Forslund, III; Carl V., Miller; William L., Stanfield; Joel D. Steelcase Development Inc.
US6064502 05/16/2000 Omni-directional infrared communication system Burns; Clay, Kanojia; Chaitanya, Cosgrove; Martin Enderlin Inc.
US6031648 02/29/2000 Automatic gain control for free-space optical telecommunications links Javitt; Joel I., Rutledge; Christopher L. AT&T Corp.
US5945981 09/31/1999 Wireless input device, for use with a computer, employing a movable light-emitting element and a stationary light-receiving element Paull; Mike M., Sanchez; Russell I., Svancarek; Mark K., Aoyagi; Tetsuji Microsoft Corporation
US5923454 08/13/1999 Modem method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time Eastmond; Bruce C., Alameh; Rachid M., Silk; S. David Motorola, Inc.
US5844705 12/01/1998 Wireless communications systems employing free-space optical communications links Rutledge; Christopher L. AT&T Corp
US5838471 11/17/1998 Infrared echo canceling Beard; Paul Norand Corporation
US5818619 10/06/1998 Wireless communication system Medved; David, Bar Lev; Hillel, Davidovich; Leonid Jolt Ltd.
US5815298 09/29/1998 System and method for wirelessly communicating a sound signal Cern; Yehuda Jolt Ltd.
US5781407 07/14/1998 Portable personal computers with multi-directional infrared communication Brauel; Eric S. Compaq Computer Corporation
US5777768 07/07/1998 Multiple transmitter laser link Korevaar; Eric Astroterra Corporation
US5737690 04/07/1998 Method and apparatus for orienting a pluridirectional wireless interface Gutman; Jose Motorola, Inc.
US5734487 03/31/1998 Computer system incorporating an infrared link for reduced interference communication with a radio transceiver Rossi; Markku J. Compaq Computer Corporation
US5596648 06/21/1997 Infrared audio transmitter system Fast; Lawrence R.
US5646761 06/08/1997 Wireless communication system Medved; David, Bar Lev; Hillel, Davidovich; Leonid Jolt. Ltd.
US5636264 06/03/1997 Radio telephone system which utilizes an infrared signal communication link Sulavuori; Toni, Terho; Mikko, Hamalainen; Jari Nokia Mobile Phones Limited
US5627524 05/06/1997 Infrared locator system Fredrickson; Dennis, Richmond; Howard Lifecom, LLC
US5617236 04/01/1997 Infrared communication device for multistandard operations Wang; Li-Chen, Yeh; Keming ACTiSYS Corporation
US5606444 02/25/1997 Wide-angle, high-speed, free-space optical communications system Johnson; Bruce E., Lindsay; Thomas A., Brodeur; David L., Morton deceased; Randall E., Regnier; Mark A. Eldec Corporation
US5600471 02/04/1997 Optical wireless data transmission system and optical wireless data transmitting/receiving apparatus Hirohashi; Kazutoshi, Yunoki; Yoshiaki Victor Company of Japan, Ltd.
US5566022 10/15/1996 Infra-red communication system Segev; Uri
US5508836 04/16/1996 Infrared wireless communication between electronic system components Inventor(s) : DeCaro; Robert, Saunders; Christ H., Maeding; Dale Irvine Sensors Corporation
US5440559 08/08/1995 Portable wireless communication device Gaskill; Garold B. Seiko Communications Holding N.V.
US5424859 06/13/1995 Transceiver for wireless in-building communication sytem Uehara; Kazuhiro, Kagoshima; Kenichi Nippon Telegraph and Telephone Corp.
US5416627 05/16/1995 Method and apparatus for two way infrared communication s) : Wilmoth; Thomas E.
US5394410 02/28/1995 Differentially coded and guard pulse position modulation for communication networks Chen; Kwang-Cheng International Business Machines Corporation
US5384652 01/24/1995 Infrared communication repeater architecture Allen; Richard C., Cisneros; Gary M., Fickes; Stanley L., Hughes; Gary N., Johnson; Walter S., Konsevich; James L., Piccone; John, Stewart; Bernard E. Photonics Corporation
US5371623 12/06/1994 High bit rate infrared communication system for overcoming multipath Eastmond; Bruce C., Alameh; Rachid, Freeburg; Thomas A. Motorola, Inc.
US5359448 10/25/1994 Infrared signal transmitter Laszlo; Charles A., Geyer; Paul L. Assistive Listening Device Systems, Inc.
US5321542 06/14/1994 Control method and apparatus for wireless data link Freitas; Richard F., Harrison; Colin G., Hortensius; Peter D. International Business Machines Corporation
US5309351 05/03/1994 Communications, information, maintenance diagnostic and training system McCain; Joseph H., Webb; E. R., Lueders; William R. Texas Instruments Incorporated
US5307297 04/26/1994 Data processor with wireless auxiliary input apparatus Iguchi; Shigeki, Ueno; Yukihiko, Senoo; Seiichi, Yano; Tomoyuki, Shirasuka; Tokuyuki, Mitarai; Akira, Fukuma; Yoshitaka, Kataoka; Yoshito, Nishikawa; Hirofumi, Yamanaka; Yasumasa, Oka; Yoshiki, Hara; Masashi, Satoh; Masaharu Sharp Kabushiki Kaisha
US5253095 10/12/1993 Full duplex communication system and method of using same Menadier; Michael A., Williams; Michael A. H. M. Electronics, Inc.
US5305132 04/19/1994 Optical wavelength communication system and method of using same Fasen; Kenneth R., Menadier; Michael A., Williams; Michael A. H. M. Electronics, Inc.
US5247380 09/23/1993 Infrared communications network Lee; Richard M., Cromack; Gary T.
US5239295 08/24/1993 Serial light interface which also functions as an ambient light detector DeLuca; Michael J., DeLuca; Joan S. Motorola, Inc.
US5218356 06/08/1993 Wireless indoor data relay system Knapp; Guenther
US5191461 03/02/1993 Infrared network transceiver apparatus Cranshaw; Charles L., Piccone; John, Allen; Richard C.,Sacherman; James E., Toor; John W. Photonics Corporation
US5142400 08/25/1992 Method and apparatus for automatic acquisition and alignment of an optical beam communication link Solinsky; James C. Cubic Corporation
US5099346 03/24/1992 Infrared communications network Lee; Richard M., Cromack; Gary T. Spectrix Corporation
US5087982 02/11/1992 Pulsed communication systema Smothers; Steven W. Inter Innovation LeFebure Manufacturing
US5075792 12/24/1991 Low power optical transceiver for portable computing devices Brown; Preston D., Moore; Lester S., York; Dennis C. Hewlett-Packard Company
US5060304 10/22/1991 Alignment acquiring, optical beam communication link Solinsky; James C. Cubic Corporation
US5027433 06/25/1991 Remote infrared transceiver and method of using same Menadier; Michael A., Williams; Michael A., Rose; David B. HM Electronics, Inc.
US4977618 12/11/1990 Infrared data communications Allen; Richard C. Photonics Corporation
US4975926 12/04/1990 Wireless indoor data communication system Knapp; Guenther
US4959874 09/25/1990 Optical wireless communication system Saruta; Makoto, Suzuki; Tatsuhiro NCR Corporation
US4941205 07/10/1990 Bidirectional optical data communications system Horst; William R., Hale; William J. NCR Corporation
US4882770 11/21/1989 Wireless optical communication system Miyahira; Ronald T., Fasen; Kenneth H. M. Electronics, Inc.
US4867560 09/19/1989 Optical alignment system Kunitsugu; Michimasa NEC Corporation
US4864647 09/05/1989 Wireless infrared remote control extender Harrington; Christopher C. Modcom Corporation
US4809359 02/28/1989 System for extending the effective operational range of an infrared remote control system Dockery; Devan T.
US4809257 02/28/1989 Hierarchical distributed infrared communication system Gantenbein; Dieter, Gfeller; Fritz R., Mumprecht; Eduard P. International Business Machines Corporation
US476329109 /08/1988 Remote display device for a microcomputer Schwaber; Jeffrey S. Project Benjamin, Ltd.
US4727600 02/03/1988 Infrared data communication system Avakian; Emik
US4717913 01/05/1988 Data telemetry system using diffused infrared light Elger; Rodney R. Johnson Service Company
US4691385 09/01/1987 Optical communication apparatus for a vehicle Tupman; David J. Caterpillar Industrial Inc.
US4680811 07/14/1987 Vehicle to fixed station infrared communications link Harper; James G., Bailey; Louis G., McJohnson; Robert B., Rajagopal; Ganesh, Walker; Don R. Veeco Integrated Automation Inc.
US4648131 03/03/1987 Work helmet having transmitter-receiver for light signal Kawaguchi; Toshiyuki, Katsukawa; Hiroyuki, Nakanishi; Kazumi, Tanaka; Naoki NGK Insulators, Ltd.
US4628541 12/09/1986 Infra-red data communications system for coupling a battery powered data entry device to a microcomputer Beavers; John A. International Business Machines Corporation
US4516221 05/07/1985 Data communication system (establishes link between terminals through a reflected path on ceiling) Nakata; Yukio, Terada; Matsuaki, Suda; Kaoru, Morito; Motoyoshi, Shiotsu; Osamu Hitachi, Ltd., Yagi Antenna Co., Ltd.
US4514732 04/30/1985 Technique for increasing battery life in remote control transmitters Hayes, Jr.; John J. General Electric Company
US4449206 05/15/1984 Portable memory device Tokitsu; Naoki, Itoh; Toshihiko, Fujiwara; Toshitaka Nippondenso Co., Ltd.
US4426662 01/17/1984 IR Remote control detector/decoder Skerlos; Peter C., Zato; Thomas J. Zenith Radio Corporation
US4402090 08/30/1983 Communication system in which data are transferred between terminal stations and satellite stations by infrared signals Gfeller; Fritz R., Mueller; Hans R. International Business Machines Corp.
US4330870 05/18/1982 Optical data link Arends; Thomas C. Datapoint Corporation
US4313227 01/26/1982 Light energy information transmission system Eder; Kenneth C. Texas Instruments Incorporated
US4231031 10/28/1980 Remote control system capable of transmitting the information with the aid of an infra red beam using PPM or an ultrasonic beam using PDM Crowther; Gerald O., Douglas; Terence A., Farmer; Howard M. U.S. Philips Corporation
US4229829 10/21/1980 Apparatus for wireless transmission of a teaching program in a classroom Grunwald; Peter H.
US4150284 04/17/1979 Medical patient condition monitoring system Trenkler; George, Delagi; Richard G., McBride, Jr.; Lyle E. Texas Instruments Incorporated
US4119948 10/10/1978 Remote meter reading system Ward; Ernest Michael, Ward; Steven M., Dils; Michael A.
US4111421 09/05/1978 Optical linked remote control video game apparatus Mierzwinski; Eugene P. The Magnavox Company
US4090067 05/16/1978 Optical data communication system Bell, III; William W., Cox; Lamar, Rubin; William L. Sperry Rand Corporation
US4068093 01/10/1978 Device for transmitting audio-frequency signals Fidi; Werner AKG Akustische U. Kino-Gerate Gesellschaft m.b.H.
US4054794 10/18/1977 Optical communications link Laughlin; Richard H., Sorensen, III; Peter Varo, Inc.
US4045777 08/30/1977 Remote control transmitter and receiver for use with a television receiver Mierzwinski; Eugene P., Worley; David W. The Magnavox Company
US3928760 12/23/1975 Remote control system Isoda; Mikio Matsushita Electric Industrial Co., Ltd.
US3927316 12/16/1975 Wireless speaker system using infra-red link Citta; Richard W. Zenith Radio Corporation
US3899430 08/12/1975 Detector-modulator for an optical communications system Ancker-Johnson; Betsy The Boeing Company
US3875400 04/01/1975 Intensity Modulated Optical Carrier Communication System Pao; Yoh-Han, Freeman; Jonathan P. , Allen; John W. , E.
US3894229 07/08/1975 Signal generator (for wireless optical transmitter) Mouri; Hiroshi Matsushita Electric Industrial Co., Ltd.
US3867628 02/18/1975 Pulsed Light Receiver and Method Brown; Roger M. Scientific Technology Incorporated
US3866177 02/11/1975 Remote Control Utilizing Pulsed Beam of Light Frequency Kawamata; Yukio, Yamamoto; Keisuke, Mouri; Hiroshi Matsushita Electric Industrial Co., Ltd.
US3617750 11/02/1971 Laser Link Communication System Walker; Harold R. Laser Link Corporation.
US03284633 11/01/1966 Signal Transmission and Reception System Comprising Frequency Modulated Light Beam Hathaway; J.L.
US02100348 11/01/1937 A Light Beam Transmission System Nicolson; A.M.


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