NL7602665A - Zender-ontvanger. - Google Patents

Zender-ontvanger.

Info

Publication number
NL7602665A
NL7602665A NL7602665A NL7602665A NL7602665A NL 7602665 A NL7602665 A NL 7602665A NL 7602665 A NL7602665 A NL 7602665A NL 7602665 A NL7602665 A NL 7602665A NL 7602665 A NL7602665 A NL 7602665A
Authority
NL
Netherlands
Prior art keywords
sender receiver
sender
receiver
Prior art date
Application number
NL7602665A
Other languages
English (en)
Original Assignee
California Microwave
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 California Microwave filed Critical California Microwave
Publication of NL7602665A publication Critical patent/NL7602665A/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • 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
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
    • 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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Radio Relay Systems (AREA)
NL7602665A 1975-03-13 1976-03-15 Zender-ontvanger. NL7602665A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/558,170 US3942116A (en) 1975-03-13 1975-03-13 Transceiver having improved voice actuated carrier and echo suppression circuit

Publications (1)

Publication Number Publication Date
NL7602665A true NL7602665A (nl) 1976-09-15

Family

ID=24228478

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7602665A NL7602665A (nl) 1975-03-13 1976-03-15 Zender-ontvanger.

Country Status (8)

Country Link
US (1) US3942116A (nl)
BR (1) BR7601552A (nl)
CA (1) CA1054680A (nl)
DE (1) DE2616791A1 (nl)
FR (1) FR2304227A1 (nl)
GB (1) GB1497957A (nl)
IT (1) IT1057562B (nl)
NL (1) NL7602665A (nl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063220A (en) * 1975-03-31 1977-12-13 Xerox Corporation Multipoint data communication system with collision detection
FR2363247A1 (fr) * 1976-08-24 1978-03-24 Cit Alcatel Equipement terminal pour un systeme multiplex telephonique a courants porteurs
JPS6050092B2 (ja) * 1977-11-08 1985-11-06 ケイディディ株式会社 適応制御型反響阻止装置
US4165449A (en) * 1978-01-03 1979-08-21 Storage Technology Corporation Echo suppressor circuit
FR2451676A1 (fr) * 1979-03-12 1980-10-10 Soumagne Joel Detecteur d'echo notamment pour systeme de communication a interpolation de parole
US4380761A (en) * 1980-02-04 1983-04-19 Xerox Corporation Digital phase decoder with collision detection
US4282512A (en) * 1980-02-04 1981-08-04 Xerox Corporation Data communication system
DE3301351A1 (de) * 1983-01-18 1984-07-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur digitalen sprachuebertragung ueber einen einzigen funkkanal
GB2137055B (en) * 1983-03-12 1986-11-12 Marconi Avionics Voice communication system
GB2139054B (en) * 1983-04-22 1986-09-24 Gen Electric Co Plc Loudspeaking telephone instruments
GB2174578B (en) * 1985-05-04 1988-11-09 Stc Plc Loud speaking telephone
JP2569917B2 (ja) * 1989-07-24 1997-01-08 日本電気株式会社 拡声電話システム
US5212722A (en) * 1989-07-24 1993-05-18 Nec Corporation Hands-free telephone having a handset volume attenuator for controlling speaker volume in a hands-free adaptor
GB2256351B (en) * 1991-05-25 1995-07-05 Motorola Inc Enhancement of echo return loss
FI89848C (fi) * 1991-09-25 1993-11-25 Nokia Mobile Phones Ltd Generering av saendningssignalen i en mobiltelefon
GB2271247B (en) * 1992-10-05 1997-02-19 Motorola Israel Ltd A radio telephone for a vehicle
CN107394420B (zh) * 2017-06-16 2020-07-24 深圳市共进电子股份有限公司 有源单频天线系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1691076A (en) * 1924-03-11 1928-11-13 Western Electric Co Two-way radio signaling system
NL85819C (nl) * 1953-06-30
FR1273918A (fr) * 1960-09-05 1961-10-20 Détecteur de parole
US3145269A (en) * 1962-05-16 1964-08-18 Bell Telephone Labor Inc Control of dynamic range and sensitivity of echo suppressor circuits
US3283074A (en) * 1962-12-31 1966-11-01 Gen Electric Voice-controlled communication system
US3351720A (en) * 1964-08-31 1967-11-07 Bell Telephone Labor Inc Echo suppressor for communication system having transmission delay
US3397401A (en) * 1966-05-27 1968-08-13 Hughes Aircraft Co Voice operated communication system
US3560669A (en) * 1969-02-25 1971-02-02 Wescom Echo suppressor
US3896273A (en) * 1971-01-08 1975-07-22 Communications Satellite Corp Digital echo suppressor
GB1510162A (en) * 1974-07-24 1978-05-10 Siemens Ag Echo traps

Also Published As

Publication number Publication date
FR2304227A1 (fr) 1976-10-08
DE2616791A1 (de) 1977-10-27
GB1497957A (en) 1978-01-12
BR7601552A (pt) 1976-09-14
CA1054680A (en) 1979-05-15
US3942116A (en) 1976-03-02
IT1057562B (it) 1982-03-30
FR2304227B1 (nl) 1980-10-03

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Legal Events

Date Code Title Description
BV The patent application has lapsed