JPS535008B2 - - Google Patents

Info

Publication number
JPS535008B2
JPS535008B2 JP4790572A JP4790572A JPS535008B2 JP S535008 B2 JPS535008 B2 JP S535008B2 JP 4790572 A JP4790572 A JP 4790572A JP 4790572 A JP4790572 A JP 4790572A JP S535008 B2 JPS535008 B2 JP S535008B2
Authority
JP
Japan
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
JP4790572A
Other languages
Japanese (ja)
Other versions
JPS4912708A (en]
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 filed Critical
Priority to JP4790572A priority Critical patent/JPS535008B2/ja
Priority to US359878A priority patent/US3885111A/en
Priority to GB2303673A priority patent/GB1431922A/en
Publication of JPS4912708A publication Critical patent/JPS4912708A/ja
Publication of JPS535008B2 publication Critical patent/JPS535008B2/ja
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transceivers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP4790572A 1972-05-15 1972-05-15 Expired JPS535008B2 (en])

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4790572A JPS535008B2 (en]) 1972-05-15 1972-05-15
US359878A US3885111A (en) 1972-05-15 1973-05-14 Terminal equipment for lincompex telephone system
GB2303673A GB1431922A (en) 1972-05-15 1973-05-15 Terminal equipment for a telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4790572A JPS535008B2 (en]) 1972-05-15 1972-05-15

Publications (2)

Publication Number Publication Date
JPS4912708A JPS4912708A (en]) 1974-02-04
JPS535008B2 true JPS535008B2 (en]) 1978-02-23

Family

ID=12788388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4790572A Expired JPS535008B2 (en]) 1972-05-15 1972-05-15

Country Status (3)

Country Link
US (1) US3885111A (en])
JP (1) JPS535008B2 (en])
GB (1) GB1431922A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985785A (ja) * 1982-11-09 1984-05-17 Tokyo Electric Co Ltd タイプライタのコレクトリボン送り装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000369A (en) * 1974-12-05 1976-12-28 Rockwell International Corporation Analog signal channel equalization with signal-in-noise embodiment
US4169219A (en) * 1977-03-30 1979-09-25 Beard Terry D Compander noise reduction method and apparatus
JPS56165427A (en) * 1980-05-23 1981-12-19 Matsushita Electric Ind Co Ltd Radio receiving device
JPS56169943A (en) * 1980-06-03 1981-12-26 Matsushita Electric Ind Co Ltd Transmitter in lincompex radio telephone set
FR2537756B1 (fr) * 1982-12-10 1985-11-08 Thomson Csf Dispositif de traitement de la parole pour equipements radioelectriques adaptes a la transmission et a la reception de la parole
US4457020A (en) * 1982-12-27 1984-06-26 Rockwell International Corporation Signal processing device for use on radio links
GB2137055B (en) * 1983-03-12 1986-11-12 Marconi Avionics Voice communication system
US4893099A (en) * 1985-02-25 1990-01-09 Waller Jr James K Extended response dynamic noise reduction system
US4704727A (en) * 1985-11-27 1987-11-03 Beard Terry D Low noise and distortion FM transmission system and method
US4726062A (en) * 1985-12-11 1988-02-16 Harris Corporation Duplex hands-free communications circuit
US4959857A (en) * 1988-12-28 1990-09-25 At&T Bell Laboratories Acoustic calibration arrangement for a voice switched speakerphone
JP3951315B2 (ja) * 1995-05-26 2007-08-01 松下電工株式会社 ペルチェモジュール

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1283293B (de) * 1964-09-10 1968-11-21 Nippon Electric Co Echounterdrueckungsschaltung fuer eine Weitverkehrsnachrichtenverbindung
FR1435022A (fr) * 1965-02-17 1966-04-15 Thomson Houston Comp Francaise Perfectionnements aux systèmes de télécommunications
DE1912218A1 (de) * 1968-05-17 1969-10-02 Ames Automobielbedrijf N V Schlafstelle fuer Automobile
US3596011A (en) * 1969-03-18 1971-07-27 Fairchild Sound Equipment Corp Gain-switching circuits
US3780233A (en) * 1971-09-20 1973-12-18 Communications Satellite Corp Adpative echo cancellers with compandors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985785A (ja) * 1982-11-09 1984-05-17 Tokyo Electric Co Ltd タイプライタのコレクトリボン送り装置

Also Published As

Publication number Publication date
US3885111A (en) 1975-05-20
JPS4912708A (en]) 1974-02-04
GB1431922A (en) 1976-04-14

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