JPS516498A - Homodaintsushinhoshiki - Google Patents

Homodaintsushinhoshiki

Info

Publication number
JPS516498A
JPS516498A JP50066996A JP6699675A JPS516498A JP S516498 A JPS516498 A JP S516498A JP 50066996 A JP50066996 A JP 50066996A JP 6699675 A JP6699675 A JP 6699675A JP S516498 A JPS516498 A JP S516498A
Authority
JP
Japan
Prior art keywords
homodaintsushinhoshiki
Prior art date
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.)
Granted
Application number
JP50066996A
Other languages
English (en)
Other versions
JPS5540832B2 (ja
Inventor
Sutanrei Kapuran Jerarudo
Deibitsudo Ritsutsui Andoryu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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
Application filed by RCA Corp filed Critical RCA Corp
Publication of JPS516498A publication Critical patent/JPS516498A/ja
Publication of JPS5540832B2 publication Critical patent/JPS5540832B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Radio Transmission System (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
JP50066996A 1974-06-03 1975-06-02 Homodaintsushinhoshiki Granted JPS516498A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2440574 1974-06-03
GB24404/74A GB1500289A (en) 1974-06-03 1974-06-03 Homodyne communication system

Publications (2)

Publication Number Publication Date
JPS516498A true JPS516498A (en) 1976-01-20
JPS5540832B2 JPS5540832B2 (ja) 1980-10-20

Family

ID=26257090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50066996A Granted JPS516498A (en) 1974-06-03 1975-06-02 Homodaintsushinhoshiki

Country Status (6)

Country Link
US (1) US3984835A (ja)
JP (1) JPS516498A (ja)
CA (1) CA1041199A (ja)
DE (1) DE2524571C3 (ja)
FR (1) FR2275783A1 (ja)
GB (1) GB1500289A (ja)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011562A (en) * 1975-03-21 1977-03-08 Cubic Industrial Corporation Single frequency radio ranging system
US4242661A (en) * 1975-03-27 1980-12-30 Stifelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan i Stockholm Device for registration of objects
SE413359B (sv) * 1978-08-25 1980-05-19 Stiftelsen Inst Mikrovags Anordning for astadkommande av ett enkelt sidband
DE2855808B1 (de) * 1978-12-22 1980-06-12 Siemens Ag Homodyn-UEbertragungssystem mit Zweiseitenband-Reflexionsfaktor-Modulator im Antwortgeraet
US4242663A (en) * 1979-02-01 1980-12-30 Lockheed Electronics Corporation Electronic identification system
US5164732A (en) * 1980-02-13 1992-11-17 Eid Electronic Identification Systems Ltd. Highway vehicle identification system with high gain antenna
US4937581A (en) * 1980-02-13 1990-06-26 Eid Electronic Identification Systems Ltd. Electronic identification system
ZA81888B (en) * 1980-02-13 1982-03-31 Sensory Systems Lab Electronic identification system
US5132687A (en) * 1980-02-13 1992-07-21 Canadian National Electronic identification system
DE3009179A1 (de) * 1980-03-11 1981-09-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und vorrichtung zur erzeugung des antwortsignals einer einrichtung zur automatischen indentifizierung von objekten und/oder lebewesen
JPS56143176A (en) * 1980-04-08 1981-11-07 Tsuneki Okamoto Multiple affected part change conduction treating appliance
GB2092004B (en) * 1981-01-29 1985-05-15 Bio Medical Res Ltd Muscle stimulating apparatus
DE3137012A1 (de) * 1981-09-17 1983-03-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und vorrichtung zum orten von veschuetteten
DE3150704C2 (de) * 1981-12-21 1985-12-12 Brown, Boveri & Cie Ag, 6800 Mannheim Sende- und Empfangsschaltung für eine Einrichtung zur automatischen Identifizierung von Objekten und/oder Lebewesen
NL8202951A (nl) * 1982-07-21 1984-02-16 Nedap Nv Absorptiedetectiestelsel.
DE3232436C2 (de) * 1982-09-01 1985-11-28 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und Vorrichtung zum optimalen Betreiben von Sende- und Empfangsantennen
US4646090A (en) * 1983-08-12 1987-02-24 Rca Corporation Codeable identifying tag and method of identification thereof
US4912471A (en) * 1983-11-03 1990-03-27 Mitron Systems Corporation Interrogator-responder communication system
GB2165414B (en) * 1984-10-03 1988-01-13 Standard Telephones Cables Plc Runway occupancy warning system
AU568157B2 (en) * 1984-10-09 1987-12-17 X-Cyte Inc. Compensating for non-linear frequency variation in a system for interrogating a transponder
AU564509B2 (en) * 1984-10-09 1987-08-13 X-Cyte Inc. Phase-encoded transponder interrogation
US4647931A (en) * 1984-11-29 1987-03-03 Rca Corporation Dual frequency identification system
US5343205A (en) * 1986-05-30 1994-08-30 General Electric Company Enemy signal detection and warning system
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects
NL8602033A (nl) * 1986-08-08 1988-03-01 Nedap Nv Precisie richtfunctie bij herkensysteem.
EP0270274A3 (en) * 1986-12-05 1990-01-24 Meridian Micro-Systems Limited Transponder and interrogator
US4899158A (en) * 1987-09-26 1990-02-06 Matsushita Electric Works, Ltd. Moving object discriminating system
FR2624677B1 (fr) * 1987-12-10 1994-04-01 Fabrication Instruments Mesure Systeme de liaison hertzienne bidirectionnelle
JP2612190B2 (ja) * 1988-08-31 1997-05-21 山武ハネウエル株式会社 応答装置と質問装置からなる全二重通信装置
US4888591A (en) * 1988-10-06 1989-12-19 Amtech Technology Corporation Signal discrimination system
US4999636A (en) * 1989-02-17 1991-03-12 Amtech Technology Corporation Range limiting system
JPH0693704B2 (ja) * 1989-04-19 1994-11-16 山武ハネウエル株式会社 ベースバンド信号通信装置
EP0417045B1 (de) * 1989-09-04 1994-01-05 Datamars Sa Datenübermittlungsanlage
US5327122A (en) * 1989-09-04 1994-07-05 Massimo Casalegno Installation for data transmission with correction of phase error
GB2259210B (en) * 1991-08-30 1995-10-04 Marconi Gec Ltd Aircraft ground movement monitor
US5446462A (en) * 1993-01-14 1995-08-29 E-Systems, Inc. Extremely high frequency vehicle identification and communication system
NL9300991A (nl) * 1993-06-09 1995-01-02 Nedap Nv Diefstaldetectiesysteem.
CA2143144C (en) * 1994-03-03 1999-09-28 James Gifford Evans Modulated backscatter wireless communication system having an extended range
US5649296A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Full duplex modulated backscatter system
US5649295A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Dual mode modulated backscatter system
US5940006A (en) * 1995-12-12 1999-08-17 Lucent Technologies Inc. Enhanced uplink modulated backscatter system
US6078251A (en) * 1996-03-27 2000-06-20 Intermec Ip Corporation Integrated multi-meter and wireless communication link
US5850187A (en) * 1996-03-27 1998-12-15 Amtech Corporation Integrated electronic tag reader and wireless communication link
US6107910A (en) * 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US6184841B1 (en) 1996-12-31 2001-02-06 Lucent Technologies Inc. Antenna array in an RFID system
US5784686A (en) * 1996-12-31 1998-07-21 Lucent Technologies Inc. IQ combiner technology in modulated backscatter system
US6046683A (en) * 1996-12-31 2000-04-04 Lucent Technologies Inc. Modulated backscatter location system
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
US6456668B1 (en) 1996-12-31 2002-09-24 Lucent Technologies Inc. QPSK modulated backscatter system
US5952922A (en) * 1996-12-31 1999-09-14 Lucent Technologies Inc. In-building modulated backscatter system
US6243012B1 (en) 1996-12-31 2001-06-05 Lucent Technologies Inc. Inexpensive modulated backscatter reflector
US6114971A (en) 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6060815A (en) 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
GB2333665B (en) * 1998-01-24 2000-11-29 Gpt Ltd Transaction system
US6192222B1 (en) * 1998-09-03 2001-02-20 Micron Technology, Inc. Backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods
US6650230B1 (en) 1998-11-19 2003-11-18 Ncr Corporation Modulated backscatter wireless communication system having an extended range
US6356764B1 (en) * 1999-03-09 2002-03-12 Micron Technology, Inc. Wireless communication systems, interrogators and methods of communicating within a wireless communication system
US6603391B1 (en) * 1999-03-09 2003-08-05 Micron Technology, Inc. Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator
US7592898B1 (en) * 1999-03-09 2009-09-22 Keystone Technology Solutions, Llc Wireless communication systems, interrogators and methods of communicating within a wireless communication system
US6369710B1 (en) 2000-03-27 2002-04-09 Lucent Technologies Inc. Wireless security system
US7180402B2 (en) * 2000-06-06 2007-02-20 Battelle Memorial Institute K1-53 Phase modulation in RF tag
US20030030542A1 (en) * 2001-08-10 2003-02-13 Von Hoffmann Gerard PDA security system
US7324615B2 (en) * 2003-12-15 2008-01-29 Microchip Technology Incorporated Time signal receiver and decoder
US7671720B1 (en) * 2004-09-01 2010-03-02 Alien Technology Corporation Method and appratus for removing distortion in radio frequency signals
SE528139C2 (sv) * 2004-12-30 2006-09-12 Tagmaster Ab Förfarande för att bestämma en position av en transponder i förhållande till en kommunikator
WO2007127948A2 (en) 2006-04-27 2007-11-08 Sirit Technologies Inc. Adjusting parameters associated with leakage signals
US8248212B2 (en) 2007-05-24 2012-08-21 Sirit Inc. Pipelining processes in a RF reader
US8427316B2 (en) 2008-03-20 2013-04-23 3M Innovative Properties Company Detecting tampered with radio frequency identification tags
US8446256B2 (en) 2008-05-19 2013-05-21 Sirit Technologies Inc. Multiplexing radio frequency signals
US8169312B2 (en) 2009-01-09 2012-05-01 Sirit Inc. Determining speeds of radio frequency tags
US9344196B1 (en) 2009-05-28 2016-05-17 Freedom Photonics, Llc. Integrated interferometric optical transmitter
US8401405B2 (en) * 2009-05-28 2013-03-19 Freedom Photonics, Llc. Monolithic widely-tunable coherent receiver
US8416079B2 (en) 2009-06-02 2013-04-09 3M Innovative Properties Company Switching radio frequency identification (RFID) tags
US8823577B2 (en) * 2009-12-23 2014-09-02 Itrack, Llc Distance separation tracking system
EP2407799B1 (en) * 2010-07-16 2018-04-11 Sivers Ima AB Method and device for continuous wave radar measurements
US8723720B2 (en) * 2011-05-03 2014-05-13 Harris Corporation Wireless location detection and/or tracking device and associated methods
US10062025B2 (en) 2012-03-09 2018-08-28 Neology, Inc. Switchable RFID tag
US9720080B1 (en) * 2014-11-25 2017-08-01 Sandia Corporation Combined radar and telemetry system
US10549722B2 (en) * 2016-06-23 2020-02-04 GM Global Technology Operations LLC Radar-based vehicle perimeter security and control
US10320152B2 (en) 2017-03-28 2019-06-11 Freedom Photonics Llc Tunable laser
US11486993B2 (en) * 2019-01-31 2022-11-01 Honda Motor Co., Ltd. Resonance based distance estimation and identification
US12111383B2 (en) * 2021-12-23 2024-10-08 Gm Cruise Holdings Llc Radar signaling for emergency scenarios

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE364677B (ja) * 1970-05-05 1974-03-04 Sfim

Also Published As

Publication number Publication date
DE2524571A1 (de) 1975-12-11
DE2524571C3 (de) 1978-07-27
CA1041199A (en) 1978-10-24
FR2275783B1 (ja) 1978-12-29
FR2275783A1 (fr) 1976-01-16
GB1500289A (en) 1978-02-08
JPS5540832B2 (ja) 1980-10-20
DE2524571B2 (de) 1977-12-08
US3984835A (en) 1976-10-05

Similar Documents

Publication Publication Date Title
FR2275783B1 (ja)
FR2271611A1 (ja)
FR2256819A1 (ja)
FR2261183A1 (ja)
FR2282780B1 (ja)
FR2265053A1 (ja)
FR2276823B1 (ja)
IN142792B (ja)
FR2285528B3 (ja)
JPS50100018A (ja)
IN140661B (ja)
JPS50101663U (ja)
CH569666A5 (ja)
BG21351A1 (ja)
CH1703874A4 (ja)
DD123044A3 (ja)
BG21634A1 (ja)
BG21526A1 (ja)
DD114021A1 (ja)
DD110511A1 (ja)
CH600930A5 (ja)
CH600926A5 (ja)
CH568134A5 (ja)
BG20462A1 (ja)
BG21352A1 (ja)