GB1137498A - Improvements in or relating to communications systems - Google Patents

Improvements in or relating to communications systems

Info

Publication number
GB1137498A
GB1137498A GB20799/66A GB2079966A GB1137498A GB 1137498 A GB1137498 A GB 1137498A GB 20799/66 A GB20799/66 A GB 20799/66A GB 2079966 A GB2079966 A GB 2079966A GB 1137498 A GB1137498 A GB 1137498A
Authority
GB
United Kingdom
Prior art keywords
signal
speech
output
gate
channel
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
GB20799/66A
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.)
Rucker Co
Original Assignee
Rucker Co
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 Rucker Co filed Critical Rucker Co
Publication of GB1137498A publication Critical patent/GB1137498A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
GB20799/66A 1965-09-13 1966-05-11 Improvements in or relating to communications systems Expired GB1137498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486650A US3403341A (en) 1965-09-13 1965-09-13 Communication system with autoamtic channel selection

Publications (1)

Publication Number Publication Date
GB1137498A true GB1137498A (en) 1968-12-18

Family

ID=23932727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20799/66A Expired GB1137498A (en) 1965-09-13 1966-05-11 Improvements in or relating to communications systems

Country Status (4)

Country Link
US (1) US3403341A (enExample)
DE (1) DE1487362B2 (enExample)
GB (1) GB1137498A (enExample)
NL (1) NL6612202A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124060A (en) * 1982-07-12 1984-02-08 Spt Video Limited Improvements in or relating to circuit arrangements for automatic selection of television sound frequency

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543161A (en) * 1966-10-13 1970-11-24 Nat Defence Canada Communication evaluation system
US3534265A (en) * 1967-01-11 1970-10-13 Teltronic Measurement Systems Audience sampling system
US3495175A (en) * 1967-07-19 1970-02-10 Moore Associates Inc Automatic channel selection system for a multichannel communication system
US3755744A (en) * 1969-12-16 1973-08-28 M Fukata Receiving device for automatically demuting and remuting by two control signals sequentially transmitted from transmitter
US3860872A (en) * 1970-02-05 1975-01-14 Pye Ltd Multiple receiver selection system
NL7101324A (enExample) * 1970-02-05 1971-08-09
US3729682A (en) * 1971-08-02 1973-04-24 Gen Electric Audio signal quality indicating circuit
US4057761A (en) * 1975-12-30 1977-11-08 Rca Corporation Received signal selecting system with priority control
US4030040A (en) * 1975-12-30 1977-06-14 Rca Corporation Received signal selecting system
US4041397A (en) * 1976-04-28 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Satellite up link diversity switch
US4317204A (en) * 1976-06-04 1982-02-23 Ncr Corporation Spread spectrum conferencing communication system
FR2413826A1 (fr) * 1978-01-02 1979-07-27 Cit Alcatel Systeme de transmission a modulation numerique par faisceaux hertziens
US4255740A (en) * 1979-06-18 1981-03-10 Rca Corporation Systems for comparing and ranking a plurality of signal inputs
US6079367A (en) * 1997-10-10 2000-06-27 Dogwatch, Inc. Animal training apparatus and method
US6950653B2 (en) * 2002-01-11 2005-09-27 Hubbell Incorporated Scanning tone remote adapter for land-mobile radio dispatch for use with dispersed dispatch stations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572912A (en) * 1948-03-01 1951-10-30 Rca Corp Diversity system
US2521696A (en) * 1949-01-24 1950-09-12 Armond James K De Optimum frequency radio communication system
US2743354A (en) * 1951-07-27 1956-04-24 Rca Corp Frequency shift signalling
US3035169A (en) * 1956-10-03 1962-05-15 Gen Electric Co Ltd Radio relay system with automatic channel selection based upon signal strength
US2985755A (en) * 1957-05-27 1961-05-23 Gen Electric Communication system
US3102236A (en) * 1960-05-05 1963-08-27 Collins Radio Co Squelch circuit controlled by demodulated voice signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124060A (en) * 1982-07-12 1984-02-08 Spt Video Limited Improvements in or relating to circuit arrangements for automatic selection of television sound frequency

Also Published As

Publication number Publication date
US3403341A (en) 1968-09-24
DE1487362B2 (de) 1970-10-01
NL6612202A (enExample) 1967-03-14
DE1487362A1 (de) 1969-04-30

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