GB1518831A - Frequency stabilized single oscillator transceivers - Google Patents

Frequency stabilized single oscillator transceivers

Info

Publication number
GB1518831A
GB1518831A GB34758/75A GB3475875A GB1518831A GB 1518831 A GB1518831 A GB 1518831A GB 34758/75 A GB34758/75 A GB 34758/75A GB 3475875 A GB3475875 A GB 3475875A GB 1518831 A GB1518831 A GB 1518831A
Authority
GB
United Kingdom
Prior art keywords
oscillator
modulation
frequency
output
receiver
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
GB34758/75A
Other languages
English (en)
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.)
RTX Corp
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of GB1518831A publication Critical patent/GB1518831A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/38—Transceivers, 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
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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
    • H04B1/38—Transceivers, 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
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Relay Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB34758/75A 1974-08-29 1975-08-21 Frequency stabilized single oscillator transceivers Expired GB1518831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US501727A US3916412A (en) 1974-08-29 1974-08-29 Frequency stabilized single oscillator transceivers

Publications (1)

Publication Number Publication Date
GB1518831A true GB1518831A (en) 1978-07-26

Family

ID=23994776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34758/75A Expired GB1518831A (en) 1974-08-29 1975-08-21 Frequency stabilized single oscillator transceivers

Country Status (8)

Country Link
US (1) US3916412A (enExample)
JP (1) JPS6013341B2 (enExample)
BR (1) BR7505484A (enExample)
CA (1) CA1054681A (enExample)
DE (1) DE2538349A1 (enExample)
FR (1) FR2283600A1 (enExample)
GB (1) GB1518831A (enExample)
SE (1) SE403871B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122456A (en) * 1982-05-19 1984-01-11 Ronald R White Method of an apparatus for duplex communications
US4430756A (en) 1982-02-22 1984-02-07 General Electric Company Oscillator control circuit
GB2228379A (en) * 1989-01-13 1990-08-22 Telenokia Oy Frequency-modulated transceiver
GB2228378A (en) * 1989-01-13 1990-08-22 Telenokia Oy Frequency-modulated transceiver

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983484A (en) * 1974-12-06 1976-09-28 Nihon Dengyo Co., Ltd. Multichannel signal transmitting and receiving apparatus
IN146303B (enExample) * 1976-03-16 1979-04-21 Plessey Handel Investment Ag
JPS5380906A (en) * 1976-12-27 1978-07-17 Oki Electric Ind Co Ltd Frequency converter
DE2744212C2 (de) * 1977-09-30 1979-11-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Duplex-Sende-Empfangseinrichtung
DE2744110C3 (de) * 1977-09-30 1980-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Stabilisierung des Mikrowellenoszillators im Sendezweig einer Sende-Empfangseinrichtung
DE3114597A1 (de) * 1981-04-10 1982-11-04 Licentia Gmbh Tragbares millimeterwellenfunkgeraet fuer wechselsprechen
US4411018A (en) * 1981-10-20 1983-10-18 United Technologies Corporation Rapidly stabilized Gunn oscillator transceiver
JPS6139630A (ja) * 1984-07-28 1986-02-25 Toyo Commun Equip Co Ltd 受信機局部発振器と送信機チヤンネル発振器とを共用した同時送受話通信方式
GB2152333B (en) * 1983-12-27 1988-02-03 United Technologies Corp Full-duplex, electrically switched microwave transceiver
US4680749A (en) * 1985-05-15 1987-07-14 General Electric Company Duplex radio transceiver having improved data/tone and audio modulation architecture
JPS63114939U (enExample) * 1987-01-20 1988-07-25
DE3827228A1 (de) * 1988-08-11 1990-02-15 Standard Elektrik Lorenz Ag Sende/empfangsteil fuer ein bidirektionales kohaerent-optisches uebertragungssystem
EP0500373B1 (en) * 1991-02-22 1998-04-29 Sony Corporation Time division duplex transmitter-receiver
US5734966A (en) * 1995-01-20 1998-03-31 Diablo Research Corporation Wireless communication system for adapting to frequency drift
JPH1013181A (ja) * 1996-06-21 1998-01-16 Nec Corp Ｉｆフィルタ自動整合方式
US6148182A (en) * 1996-10-28 2000-11-14 Int Labs, Inc. Technique to facilitate the independent bi-directional data transmission on a single amplitude modulated carrier
US9098312B2 (en) 2011-11-16 2015-08-04 Ptc Inc. Methods for dynamically generating an application interface for a modeled entity and devices thereof
US9576046B2 (en) 2011-11-16 2017-02-21 Ptc Inc. Methods for integrating semantic search, query, and analysis across heterogeneous data types and devices thereof
US8909641B2 (en) 2011-11-16 2014-12-09 Ptc Inc. Method for analyzing time series activity streams and devices thereof
JP6285010B2 (ja) 2013-03-15 2018-02-28 ピーティーシー インコーポレイテッド 意味論的モデル化およびタグ付けを使用してアプリケーションを管理する方法およびその装置
US9350812B2 (en) 2014-03-21 2016-05-24 Ptc Inc. System and method of message routing using name-based identifier in a distributed computing environment
US9350791B2 (en) 2014-03-21 2016-05-24 Ptc Inc. System and method of injecting states into message routing in a distributed computing environment
US9560170B2 (en) 2014-03-21 2017-01-31 Ptc Inc. System and method of abstracting communication protocol using self-describing messages
US9961058B2 (en) 2014-03-21 2018-05-01 Ptc Inc. System and method of message routing via connection servers in a distributed computing environment
US10025942B2 (en) 2014-03-21 2018-07-17 Ptc Inc. System and method of establishing permission for multi-tenancy storage using organization matrices
US10313410B2 (en) 2014-03-21 2019-06-04 Ptc Inc. Systems and methods using binary dynamic rest messages
US9462085B2 (en) 2014-03-21 2016-10-04 Ptc Inc. Chunk-based communication of binary dynamic rest messages
WO2015143416A1 (en) 2014-03-21 2015-09-24 Ptc Inc. Systems and methods for developing and using real-time data applications
US9467533B2 (en) 2014-03-21 2016-10-11 Ptc Inc. System and method for developing real-time web-service objects
US9762637B2 (en) 2014-03-21 2017-09-12 Ptc Inc. System and method of using binary dynamic rest messages

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462856A (en) * 1942-05-19 1949-03-01 Sperry Corp Transmitter and/or receiver circuits
GB579567A (en) * 1943-10-07 1946-08-08 Marconi Wireless Telegraph Co Improvements in frequency controlling and stabilising means in radio-apparatus and the like
US2757279A (en) * 1951-11-20 1956-07-31 Raytheon Mfg Co Two-way communication systems
DE1002805B (de) * 1955-02-02 1957-02-21 Telefunken Gmbh Als Funkrelaisstelle einsetzbares oder mit einer Drahtfernsprechleitung in Verbindung zu bringendes Funksprechgeraet
DE1068316B (enExample) * 1959-07-27 1959-11-05
US3829778A (en) * 1973-03-26 1974-08-13 United Aircraft Corp Call apparatus in a single oscillator microwave transceiver

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430756A (en) 1982-02-22 1984-02-07 General Electric Company Oscillator control circuit
GB2122456A (en) * 1982-05-19 1984-01-11 Ronald R White Method of an apparatus for duplex communications
GB2228379A (en) * 1989-01-13 1990-08-22 Telenokia Oy Frequency-modulated transceiver
GB2228378A (en) * 1989-01-13 1990-08-22 Telenokia Oy Frequency-modulated transceiver
GB2228379B (en) * 1989-01-13 1993-01-13 Telenokia Oy Frequency-modulated transceiver

Also Published As

Publication number Publication date
FR2283600A1 (fr) 1976-03-26
SE7509374L (sv) 1976-03-01
CA1054681A (en) 1979-05-15
JPS6013341B2 (ja) 1985-04-06
DE2538349A1 (de) 1976-03-11
US3916412A (en) 1975-10-28
BR7505484A (pt) 1976-08-03
JPS5150509A (enExample) 1976-05-04
SE403871B (sv) 1978-09-04
FR2283600B1 (enExample) 1982-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee