GB2165425B - Signalling system - Google Patents

Signalling system

Info

Publication number
GB2165425B
GB2165425B GB08425499A GB8425499A GB2165425B GB 2165425 B GB2165425 B GB 2165425B GB 08425499 A GB08425499 A GB 08425499A GB 8425499 A GB8425499 A GB 8425499A GB 2165425 B GB2165425 B GB 2165425B
Authority
GB
United Kingdom
Prior art keywords
signalling system
signalling
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.)
Expired
Application number
GB08425499A
Other versions
GB8425499D0 (en
GB2165425A (en
Inventor
Paul Anton Nysen
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.)
Xcyte Inc
Original Assignee
Xcyte Inc
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 to AU34004/84A priority Critical patent/AU568157B2/en
Application filed by Xcyte Inc filed Critical Xcyte Inc
Priority to GB08425499A priority patent/GB2165425B/en
Priority to ZA847911A priority patent/ZA847911B/en
Priority to DE19843438053 priority patent/DE3438053A1/en
Priority to JP59225069A priority patent/JPS61103361A/en
Publication of GB8425499D0 publication Critical patent/GB8425499D0/en
Publication of GB2165425A publication Critical patent/GB2165425A/en
Application granted granted Critical
Publication of GB2165425B publication Critical patent/GB2165425B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
    • 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
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/70—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
    • G01S1/703—Details
    • G01S1/7032—Transmitters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Transmitters (AREA)
GB08425499A 1984-10-09 1984-10-09 Signalling system Expired GB2165425B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU34004/84A AU568157B2 (en) 1984-10-09 1984-10-08 Compensating for non-linear frequency variation in a system for interrogating a transponder
GB08425499A GB2165425B (en) 1984-10-09 1984-10-09 Signalling system
ZA847911A ZA847911B (en) 1984-10-09 1984-10-09 Apparatus for compensating non-linearities in frequency-modulated signal
DE19843438053 DE3438053A1 (en) 1984-10-09 1984-10-17 DEVICE FOR COMPENSATING NON-LINEARITIES IN A FREQUENCY-MODULATED SIGNAL
JP59225069A JPS61103361A (en) 1984-10-09 1984-10-25 Device for compensating nonlinearity in frequency modulationsignal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08425499A GB2165425B (en) 1984-10-09 1984-10-09 Signalling system

Publications (3)

Publication Number Publication Date
GB8425499D0 GB8425499D0 (en) 1984-11-14
GB2165425A GB2165425A (en) 1986-04-09
GB2165425B true GB2165425B (en) 1988-08-24

Family

ID=10567927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08425499A Expired GB2165425B (en) 1984-10-09 1984-10-09 Signalling system

Country Status (5)

Country Link
JP (1) JPS61103361A (en)
AU (1) AU568157B2 (en)
DE (1) DE3438053A1 (en)
GB (1) GB2165425B (en)
ZA (1) ZA847911B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects
DE4138050A1 (en) * 1991-11-19 1993-05-27 Siemens Matsushita Components Traffic information indication identification system for road vehicle - has on board active transponder and cooperating passive transponder adjacent traffic information indication
DE4310531C2 (en) * 1993-03-31 1997-02-13 Preh Elektro Feinmechanik Device for the transmission of information in motor vehicle traffic
DE19533123C2 (en) * 1995-09-07 1998-05-28 Siemens Ag Signal generator for generating a linear frequency modulated signal
WO1997009637A2 (en) * 1995-09-07 1997-03-13 Siemens Aktiengesellschaft Rangefinder
CA2282380A1 (en) 1997-02-28 1998-09-03 Siemens Aktiengesellschaft Method for the operation of a sensor system and sensor system
DE19835232C1 (en) * 1998-08-04 2000-04-20 Siemens Ag Continuous frequency modulation arrangement
DE19911369C2 (en) 1999-03-15 2003-04-03 Nanotron Ges Fuer Mikrotechnik Surface-wave converter device and identification system herewith
US6317074B1 (en) * 2000-06-15 2001-11-13 Alliant Techsystems Inc. High range resolution radar through non-uniform sampling
GB2557637B (en) * 2016-12-14 2022-06-22 Bae Systems Plc Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency
WO2018109444A1 (en) * 2016-12-14 2018-06-21 Bae Systems Plc Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency
EP3531162B1 (en) 2018-02-27 2024-01-17 NXP USA, Inc. Chirp linearity detector for radar

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706094A (en) * 1970-02-26 1972-12-12 Peter Harold Cole Electronic surveillance system
US4044355A (en) * 1973-11-20 1977-08-23 Saab-Scania Aktiebolag Measurement of contents of tanks etc. with microwave radiations
GB1500289A (en) * 1974-06-03 1978-02-08 Rca Corp Homodyne communication system
US4059831A (en) * 1975-10-06 1977-11-22 Northwestern University Passive transponders using acoustic surface wave devices
US4106020A (en) * 1977-07-21 1978-08-08 Rca Corporation FM-CW Radar ranging system
US4523890A (en) * 1983-10-19 1985-06-18 General Motors Corporation End seal for turbine blade base
AU564844B2 (en) * 1984-10-09 1987-08-27 X-Cyte Inc. Saw transponder

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US7741956B1 (en) 1996-11-29 2010-06-22 X-Cyte, Inc. Dual mode transmitter-receiver and decoder for RF transponder tags
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
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
US6611224B1 (en) 1997-08-18 2003-08-26 X-Cyte, Inc. Backscatter transponder interrogation device

Also Published As

Publication number Publication date
AU568157B2 (en) 1987-12-17
JPH0448021B2 (en) 1992-08-05
DE3438053A1 (en) 1986-04-24
JPS61103361A (en) 1986-05-21
AU3400484A (en) 1986-04-17
GB8425499D0 (en) 1984-11-14
DE3438053C2 (en) 1988-08-11
ZA847911B (en) 1985-04-10
GB2165425A (en) 1986-04-09

Similar Documents

Publication Publication Date Title
IL77455A (en) Cardiosynchronizing system
GB8507701D0 (en) Facimile system
GB8518982D0 (en) Electromedial system
GB8520193D0 (en) Reorienter system
GB2165425B (en) Signalling system
GB8527187D0 (en) Video-steroscopic-image-producing system
GB2169074B (en) Line following system
ZA851893B (en) Railway signalling system
CS296184A1 (en) System plynoveho chlazeni aktivniho zeleza statoru turboalternatoru
GB8527500D0 (en) Traffic system
GB8524016D0 (en) Side-lay system
GB8502592D0 (en) Construction system
GB2138183B (en) Multi-procesor system
GB8520094D0 (en) Signalling system
GB8502601D0 (en) Traffic system
GB8427579D0 (en) Signalling systems
GB8531682D0 (en) Signalling system
GB8525472D0 (en) Signalling system
GR80349B (en) Block system
CS907284A1 (en) Bezpecnostni system telemechaniky
CS632484A1 (en) Brzdovy system mnohoclankoveho zeleznicniho tazneho prostredku
CS864584A1 (en) Stykovy mikropocitacovy system
CS712184A1 (en) Aktivni neutralizacni system
CS973684A1 (en) Obehovy mazaci system zuboveho cerpadla
CS702584A1 (en) System chlazeni pomocnych obvodu vysokonapetovych tyristorovych menicu velkych vykonu

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20041008