ID28950A - Sistem komunikasi - Google Patents

Sistem komunikasi

Info

Publication number
ID28950A
ID28950A IDW991547A ID991547A ID28950A ID 28950 A ID28950 A ID 28950A ID W991547 A IDW991547 A ID W991547A ID 991547 A ID991547 A ID 991547A ID 28950 A ID28950 A ID 28950A
Authority
ID
Indonesia
Prior art keywords
carrier frequency
communications system
wave
periodic path
communications
Prior art date
Application number
IDW991547A
Other languages
English (en)
Inventor
Stephen H Smith
Original Assignee
Advanced Technologies Internat
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/853,833 external-priority patent/US6204810B1/en
Application filed by Advanced Technologies Internat filed Critical Advanced Technologies Internat
Publication of ID28950A publication Critical patent/ID28950A/id

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/008—Polarisation modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Waveguide Connection Structure (AREA)
  • Eye Examination Apparatus (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IDW991547A 1997-05-09 1998-08-05 Sistem komunikasi ID28950A (id)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ID28950A true ID28950A (id) 2001-07-19

Family

ID=26744607

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW991547A ID28950A (id) 1997-05-09 1998-08-05 Sistem komunikasi

Country Status (13)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2007047277A2 (en) * 2005-10-13 2007-04-26 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
WO2010022783A1 (en) * 2008-08-28 2010-03-04 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
US10439282B2 (en) * 2016-01-19 2019-10-08 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

Also Published As

Publication number Publication date
EP0988663A4 (en) 2000-07-19
EP0988663B1 (en) 2007-09-05
JP4138894B2 (ja) 2008-08-27
US20020057218A1 (en) 2002-05-16
AU7474898A (en) 1998-11-27
DE69838384D1 (de) 2007-10-18
EP0988663A1 (en) 2000-03-29
CN1262797A (zh) 2000-08-09
NZ500827A (en) 2001-09-28
CA2290613A1 (en) 1998-11-12
ATE372613T1 (de) 2007-09-15
TW406488B (en) 2000-09-21
US6570536B2 (en) 2003-05-27
HK1030104A1 (en) 2001-04-20
WO1998050983A1 (en) 1998-11-12
JP2002513537A (ja) 2002-05-08
CA2290613C (en) 2007-12-04
DE69838384T2 (de) 2008-05-29
HK1026778A1 (en) 2000-12-22
CN1322631C (zh) 2007-06-20

Similar Documents

Publication Publication Date Title
MY129618A (en) Communications system
ID28950A (id) Sistem komunikasi
Feher Digital communications: microwave applications
FR2474791B1 (id)
CA2081752A1 (en) Transponder System
MY114196A (en) Communication system
HK1041572A1 (zh) 光學傳輸裝置，方法和系統
WO2001071928A3 (en) High efficiency, high performance communications system employing multi-carrier modulation
DE60141407D1 (de) Mehrträgersignal mit verteilten pilotsymbolen zur begrenzung der interferenz auf solche pilotsymbole
ATE330291T1 (de) Passiver transponder mit niedrigem energieverbrauch
SE9802651D0 (sv) Multipelaccesskommunikationssystem med ortogonal kodhoppning
EP1304820A4 (en) OPTICAL TRANSMITTER AND OPTICAL FIBER TRANSMISSION SYSTEM USING THE SAME.
EP0936574A3 (en) IC card and IC card system
KR910021060A (ko) 통신 방식
GB1291444A (en) A frequency modulation communication system
AU2002327029A1 (en) Start up of a phase modulator
Fettweis On the significance of group delay in communication engineering
WO2004036737A3 (en) Transmitter
Ueno et al. A semiconductor laser communication system using pulse-interval modulation
Olver Active phase and amplitude modulator
Iarlykov Optimal processing of pulsed signals in the presence of narrow-band noise
Sanders et al. Study of vulnerability of electronic communication systems to electronic interception, volume 2
Simakov A study of noise immunity of multichannel radio circuit with a band-saving modulation method under the influence of noise from neighbouring channel
Cutolo et al. Ionospheric self-modulation of a modulated radiowave with frequency far from local gyrofrequency
Stefanovic et al. Performance of PSK signal transmitted over satellite channel