FI67281C - Duplexmikrovaogsradiosystem - Google Patents

Duplexmikrovaogsradiosystem Download PDF

Info

Publication number
FI67281C
FI67281C FI782959A FI782959A FI67281C FI 67281 C FI67281 C FI 67281C FI 782959 A FI782959 A FI 782959A FI 782959 A FI782959 A FI 782959A FI 67281 C FI67281 C FI 67281C
Authority
FI
Finland
Prior art keywords
frequency
oscillator
microwave
branch
signal
Prior art date
Application number
FI782959A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI782959A (fi
FI67281B (fi
Inventor
Friedbert Becker
Gunter Biethan
Peter Kloeber
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI782959A publication Critical patent/FI782959A/fi
Application granted granted Critical
Publication of FI67281B publication Critical patent/FI67281B/fi
Publication of FI67281C publication Critical patent/FI67281C/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • H03C3/0908Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or trains
    • B61L25/04Indicating or recording train identities
    • B61L25/045Indicating or recording train identities using reradiating tags
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Transceivers (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Saccharide Compounds (AREA)
  • Transmitters (AREA)
FI782959A 1977-09-30 1978-09-28 Duplexmikrovaogsradiosystem FI67281C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2744110A DE2744110C3 (de) 1977-09-30 1977-09-30 Verfahren zur Stabilisierung des Mikrowellenoszillators im Sendezweig einer Sende-Empfangseinrichtung
DE2744127 1977-09-30
DE2744110 1977-09-30
DE2744127A DE2744127B2 (de) 1977-09-30 1977-09-30 Duplexes Mikrowellenfunksystem

Publications (3)

Publication Number Publication Date
FI782959A FI782959A (fi) 1979-03-31
FI67281B FI67281B (fi) 1984-10-31
FI67281C true FI67281C (fi) 1985-02-11

Family

ID=25772825

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782959A FI67281C (fi) 1977-09-30 1978-09-28 Duplexmikrovaogsradiosystem

Country Status (21)

Country Link
US (1) US4232318A (de)
JP (1) JPS5923659B2 (de)
AR (1) AR215755A1 (de)
AT (1) AT376340B (de)
AU (1) AU516244B2 (de)
BE (1) BE870903A (de)
BR (1) BR7806480A (de)
CA (1) CA1113155A (de)
CH (1) CH632884A5 (de)
DE (2) DE2744127B2 (de)
DK (1) DK433278A (de)
ES (1) ES473828A1 (de)
FI (1) FI67281C (de)
FR (1) FR2404966A1 (de)
GB (1) GB2008898B (de)
IT (1) IT1099644B (de)
LU (1) LU79905A1 (de)
MX (1) MX146603A (de)
NL (1) NL7809901A (de)
NO (1) NO146342C (de)
SE (1) SE440302B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015484A1 (de) * 1980-04-22 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur frequenzstabilisierung eines hochfrequenten freischwingenden oszillators
IT1129171B (it) * 1980-09-11 1986-06-04 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la sincronizzazione del terminale ricevente di un sistema di comunicazione a ping pong
JPS58210729A (ja) * 1982-05-19 1983-12-08 マクソン・エレクトロニクス・カンパニ−・リミテツド 二重通信の方法および装置
US4599719A (en) * 1984-06-18 1986-07-08 At&T Information Systems Inc. Full duplex data set with half-duplex emulation
DE3835678A1 (de) * 1988-10-20 1990-04-26 Asea Brown Boveri Rohrwaffensystem
US5136225A (en) * 1989-04-14 1992-08-04 Gec Alsthom Sa Device for guiding vehicles on a virtual track
US5321848A (en) * 1992-09-28 1994-06-14 H.M. Electronics, Inc. Drive-up station full duplex communication system and method of using same
JPH11150422A (ja) * 1997-11-18 1999-06-02 Aiwa Co Ltd 信号発生回路、並びにそれを使用した送信機、受信機および送受信機
US6043774A (en) * 1998-03-25 2000-03-28 Honeywell Inc. Near-range proximity sensor having a fast-tracking analog
US6741449B1 (en) * 1999-08-18 2004-05-25 Bridgewave Communications, Inc. Direct digitally tunable microwave oscillators and filters
US7006846B2 (en) * 2001-03-08 2006-02-28 Northrop Grumman Corporation Credit card communication system
US8731007B2 (en) * 2005-12-30 2014-05-20 Remec Broadband Wireless, Llc Digital microwave radio link with a variety of ports
US8711888B2 (en) * 2005-12-30 2014-04-29 Remec Broadband Wireless Llc Digital microwave radio link with adaptive data rate
TWM578052U (zh) * 2018-11-14 2019-05-11 國家中山科學研究院 Frequency shift button modulation and demodulation structure of communication transceiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1121655A (fr) * 1955-02-11 1956-08-23 Thomson Houston Comp Francaise Relais hertzien sans oscillateur local
CH394316A (de) * 1962-07-13 1965-06-30 Patelhold Patentverwertung Sende- und Empfangsanordnung für drahtlose Nachrichtenübertragung
US3935533A (en) * 1973-03-02 1976-01-27 United Technologies Corporation Single oscillator microwave transceiver
US3916412A (en) * 1974-08-29 1975-10-28 United Technologies Corp Frequency stabilized single oscillator transceivers
CA1062337A (en) * 1974-08-29 1979-09-11 United Aircraft Corporation Single oscillator microwave transceiver
US4038653A (en) * 1976-03-16 1977-07-26 International Standard Electric Corporation Train position indicator
US4115708A (en) * 1976-07-23 1978-09-19 Rca Corporation Fast-switching pulse modulator
GB1572401A (en) * 1976-08-24 1980-07-30 Rca Ltd Traffic switching eg in communications satellites
DE2644206C2 (de) * 1976-09-30 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Funksystem

Also Published As

Publication number Publication date
NO146342C (no) 1982-09-08
JPS5923659B2 (ja) 1984-06-04
SE7810238L (sv) 1979-03-31
DE2744110B2 (de) 1979-08-09
CH632884A5 (de) 1982-10-29
GB2008898B (en) 1982-02-24
DE2744110A1 (de) 1979-04-05
GB2008898A (en) 1979-06-06
MX146603A (es) 1982-07-14
DK433278A (da) 1979-03-31
US4232318A (en) 1980-11-04
NL7809901A (nl) 1979-04-03
AT376340B (de) 1984-11-12
AU516244B2 (en) 1981-05-21
LU79905A1 (de) 1978-12-07
CA1113155A (en) 1981-11-24
FR2404966B1 (de) 1982-10-01
IT7828248A0 (it) 1978-09-29
DE2744127A1 (de) 1979-04-05
SE440302B (sv) 1985-07-22
IT1099644B (it) 1985-09-18
DE2744110C3 (de) 1980-04-10
AR215755A1 (es) 1979-10-31
JPS5459016A (en) 1979-05-12
FR2404966A1 (fr) 1979-04-27
ATA698678A (de) 1984-03-15
NO146342B (no) 1982-06-01
ES473828A1 (es) 1979-05-01
FI782959A (fi) 1979-03-31
AU4005378A (en) 1980-03-27
FI67281B (fi) 1984-10-31
BR7806480A (pt) 1979-05-08
BE870903A (fr) 1979-01-15
DE2744127B2 (de) 1979-10-31
NO783260L (no) 1979-04-02

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Owner name: SIEMENS AKTIENGESELLSCHAFT