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. |
|