JP2002513537A5 - - Google Patents

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Publication number
JP2002513537A5
JP2002513537A5 JP1998548513A JP54851398A JP2002513537A5 JP 2002513537 A5 JP2002513537 A5 JP 2002513537A5 JP 1998548513 A JP1998548513 A JP 1998548513A JP 54851398 A JP54851398 A JP 54851398A JP 2002513537 A5 JP2002513537 A5 JP 2002513537A5
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JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP1998548513A
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English (en)
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JP2002513537A (ja
JP4138894B2 (ja
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Priority claimed from US08/853,833 external-priority patent/US6204810B1/en
Application filed filed Critical
Priority claimed from PCT/US1998/009387 external-priority patent/WO1998050983A1/en
Publication of JP2002513537A publication Critical patent/JP2002513537A/ja
Publication of JP2002513537A5 publication Critical patent/JP2002513537A5/ja
Application granted granted Critical
Publication of JP4138894B2 publication Critical patent/JP4138894B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
Figure 2002513537
JP54851398A 1997-05-09 1998-05-08 コミュニケーションシステム Expired - Fee Related JP4138894B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/853,833 US6204810B1 (en) 1997-05-09 1997-05-09 Communications system
US08/853,833 1997-05-09
US09/064,525 US6271790B2 (en) 1997-05-09 1998-04-23 Communication system
US09/064,525 1998-04-23
PCT/US1998/009387 WO1998050983A1 (en) 1997-05-09 1998-05-08 Communications system

Publications (3)

Publication Number Publication Date
JP2002513537A JP2002513537A (ja) 2002-05-08
JP2002513537A5 true JP2002513537A5 (ja) 2006-01-05
JP4138894B2 JP4138894B2 (ja) 2008-08-27

Family

ID=26744607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54851398A Expired - Fee Related JP4138894B2 (ja) 1997-05-09 1998-05-08 コミュニケーションシステム

Country Status (13)

Country Link
US (1) US6570536B2 (ja)
EP (1) EP0988663B1 (ja)
JP (1) JP4138894B2 (ja)
CN (1) CN1322631C (ja)
AT (1) ATE372613T1 (ja)
AU (1) AU7474898A (ja)
CA (1) CA2290613C (ja)
DE (1) DE69838384T2 (ja)
HK (2) HK1026778A1 (ja)
ID (1) ID28950A (ja)
NZ (1) NZ500827A (ja)
TW (1) TW406488B (ja)
WO (1) WO1998050983A1 (ja)

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EP1170704A1 (en) * 2000-07-04 2002-01-09 acter AG Portable access authorization device, GPS receiver and antenna
US8253626B2 (en) * 2008-02-25 2012-08-28 Q-Track Corporation Multiple phase state near-field electromagnetic system and method for communication and location
US20040166817A1 (en) * 2003-01-20 2004-08-26 Mehran Mokhtari System, method and apparatus for burst communications
US8022827B2 (en) * 2005-10-13 2011-09-20 Bae Systems Information And Electronic Systems Integration Inc. Omnidirectional RFID antenna
US20070138150A1 (en) * 2005-12-20 2007-06-21 Honeywell International, Inc. Hand-held laser welding wand position determination system and method
US7663548B2 (en) * 2006-03-24 2010-02-16 The Aerospace Corporation Switched combiner GPS receiver system
EP2342911B1 (en) * 2008-08-28 2012-10-03 Telefonaktiebolaget L M Ericsson (publ) An arrangement for improved isolation between adjacent cell areas
TWI507702B (zh) * 2011-10-07 2015-11-11 Silicon Image Inc 測試系統、識別待測裝置中缺陷之方法、電腦可讀儲存媒體、高速輸出入裝置及其測試方法
DE102012001899A1 (de) * 2012-02-01 2013-08-01 Bernhard Holldack Rotations-Feld-Antennen-Modul, kurz RFA-Modul. Sternförmige Antenne mit Steuerungselektronik für die Erzeugung sich drehender elektromagnetischer Felder. Ein Verfahren zum Orten von beweglichen und stationären Objekten.
TWI552909B (zh) * 2013-07-30 2016-10-11 Vehicle visible light communication system
TWI497927B (zh) 2013-12-31 2015-08-21 Ind Tech Res Inst 可見光通訊發射端裝置、接收裝置及可見光通訊系統
US10078232B1 (en) 2014-07-11 2018-09-18 Acacia Communications, Inc. Advanced optical modulation generation by combining orthogonal polarized optical signals
CN104283833A (zh) * 2014-09-29 2015-01-14 大唐移动通信设备有限公司 一种多载波叠加方法及设备
JP6228108B2 (ja) 2014-12-18 2017-11-08 株式会社日立製作所 無線通信システム
JP6322594B2 (ja) 2015-03-03 2018-05-09 株式会社日立製作所 無線通信システム及び無線通信用受信機
US9425808B1 (en) * 2015-06-05 2016-08-23 Texas Instruments Incorporated Frequency detector
DE202015005283U1 (de) * 2015-07-29 2015-09-18 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Datenerfassunssystem mit einem Mehrantennen-Datensammler mit intregirter Quellentrennung durch räumliche Filterung zum Empfang von Messwerten von Verbrauchszählern
WO2017127590A1 (en) * 2016-01-19 2017-07-27 Phase Sensitive Innovations , Inc. Beam steering antenna transmitter, multi-user antenna mimo transmitter and related methods of communication
US10804997B2 (en) 2017-02-10 2020-10-13 CTwists, LLC Apparatus and method for generating and capturing a transmission wave and apparatus and method for transmitting and receiving digital information
JP6952536B2 (ja) * 2017-08-24 2021-10-20 株式会社日立製作所 無線通信システム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093824A (en) * 1959-02-17 1963-06-11 Singer Inc H R B Communication system using circular polarization
US3111668A (en) * 1960-08-22 1963-11-19 Avco Corp Polarization diversity modulation
US3656161A (en) * 1969-12-31 1972-04-11 Bell Telephone Labor Inc Maintaining a circularly polarized magnetic field at a moving point
US3760274A (en) * 1971-10-13 1973-09-18 Us Army Modulation of polarization orientation and concurrent conventional modulation of the same radiated carrier
US4198641A (en) * 1976-08-09 1980-04-15 Rca Corporation Rotating field polarization antenna system
US4295140A (en) * 1979-12-21 1981-10-13 Nasa Faraday rotation measurement method and apparatus
FR2609224B1 (fr) * 1986-12-30 1989-04-07 Thomson Csf Dispositif et procede de transmission et/ou d'acquisition des donnees utilisant deux polarisations croisees d'une onde electromagnetique et dispositif d'enregistrement magnetique
US5592177A (en) * 1993-06-11 1997-01-07 Autometric, Incorporated Polarization-rotation modulated, spread polarization-rotation, wide-bandwidth radio-wave communications system
GB9313981D0 (en) * 1993-07-06 1993-08-18 Plessey Semiconductors Ltd Wide-band microwave modulator arrangements
US5764696A (en) * 1995-06-02 1998-06-09 Time Domain Corporation Chiral and dual polarization techniques for an ultra-wide band communication system
JPH08340290A (ja) * 1995-06-09 1996-12-24 Tsujita Masao 短波送信装置

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