CA1022624A - Radio transmitter for speech information, busy and switching signals - Google Patents

Radio transmitter for speech information, busy and switching signals

Info

Publication number
CA1022624A
CA1022624A CA193,436A CA193436A CA1022624A CA 1022624 A CA1022624 A CA 1022624A CA 193436 A CA193436 A CA 193436A CA 1022624 A CA1022624 A CA 1022624A
Authority
CA
Canada
Prior art keywords
busy
radio transmitter
switching signals
speech information
speech
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
CA193,436A
Other languages
English (en)
French (fr)
Other versions
CA193436S (en
Inventor
Peter L. Lunden
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1022624A publication Critical patent/CA1022624A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
CA193,436A 1973-02-28 1974-02-25 Radio transmitter for speech information, busy and switching signals Expired CA1022624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7302804A SE370842B (de) 1973-02-28 1973-02-28

Publications (1)

Publication Number Publication Date
CA1022624A true CA1022624A (en) 1977-12-13

Family

ID=20316759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA193,436A Expired CA1022624A (en) 1973-02-28 1974-02-25 Radio transmitter for speech information, busy and switching signals

Country Status (9)

Country Link
US (1) US3938156A (de)
JP (1) JPS5026416A (de)
CA (1) CA1022624A (de)
CH (1) CH561487A5 (de)
DE (1) DE2408588C3 (de)
FR (1) FR2219579B1 (de)
GB (1) GB1422924A (de)
NL (1) NL7402507A (de)
SE (1) SE370842B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376310A (en) * 1981-05-13 1983-03-08 General Electric Company Mobile data terminal channel busy arrangement
DE3304300A1 (de) * 1983-02-09 1984-08-09 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und einrichtung zur busanforderung und sammelquittierung in einem prozessbus-system
US4494244A (en) * 1983-02-14 1985-01-15 Alfred Arndt Step-off device for aircraft voice communication system
US4551854A (en) * 1983-08-22 1985-11-05 Rutty John G Anti-blocking device including stuck microphone reliever for aircraft voice communication system
US4703476A (en) * 1983-09-16 1987-10-27 Audicom Corporation Encoding of transmitted program material
US4573207A (en) * 1983-12-22 1986-02-25 Motorola, Inc. Queued community repeater communications system
JP2783578B2 (ja) * 1989-02-21 1998-08-06 キヤノン株式会社 スペクトラム拡散通信装置
FR2705179B1 (fr) * 1993-05-12 1995-06-16 Gemplus Card Int Procédé de gestion de la transmission des messages d'un ensemble d'émetteurs vers un récepteur unique sur un canal unique.
US6308052B1 (en) * 1999-01-15 2001-10-23 Imran A. Jamali Half-duplex radios for indicating signal transmissions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281789A (en) * 1962-11-02 1966-10-25 Frederick P Willcox Multiple remote interrogated information system
US3452156A (en) * 1966-02-25 1969-06-24 Motorola Inc Radio transmission system with independent diversity reception of plural sideband components
US3617892A (en) * 1967-02-27 1971-11-02 Rca Corp Frequency modulation system for spreading radiated power
US3477042A (en) * 1967-06-21 1969-11-04 Communications Satellite Corp Constant level loading of f.m. modulator

Also Published As

Publication number Publication date
CH561487A5 (de) 1975-04-30
JPS5026416A (de) 1975-03-19
DE2408588C3 (de) 1978-08-10
SE370842B (de) 1974-10-28
NL7402507A (de) 1974-08-30
DE2408588B2 (de) 1977-12-15
GB1422924A (en) 1976-01-28
DE2408588A1 (de) 1974-09-05
US3938156A (en) 1976-02-10
FR2219579B1 (de) 1976-12-03
FR2219579A1 (de) 1974-09-20

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