JPS5348601A - Noise control system - Google Patents

Noise control system

Info

Publication number
JPS5348601A
JPS5348601A JP12342476A JP12342476A JPS5348601A JP S5348601 A JPS5348601 A JP S5348601A JP 12342476 A JP12342476 A JP 12342476A JP 12342476 A JP12342476 A JP 12342476A JP S5348601 A JPS5348601 A JP S5348601A
Authority
JP
Japan
Prior art keywords
control system
noise control
malfunction
varying
proportion
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.)
Granted
Application number
JP12342476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5519108B2 (enrdf_load_stackoverflow
Inventor
Eiya Kuriki
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP12342476A priority Critical patent/JPS5348601A/ja
Publication of JPS5348601A publication Critical patent/JPS5348601A/ja
Publication of JPS5519108B2 publication Critical patent/JPS5519108B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Noise Elimination (AREA)
JP12342476A 1976-10-16 1976-10-16 Noise control system Granted JPS5348601A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12342476A JPS5348601A (en) 1976-10-16 1976-10-16 Noise control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12342476A JPS5348601A (en) 1976-10-16 1976-10-16 Noise control system

Publications (2)

Publication Number Publication Date
JPS5348601A true JPS5348601A (en) 1978-05-02
JPS5519108B2 JPS5519108B2 (enrdf_load_stackoverflow) 1980-05-23

Family

ID=14860205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12342476A Granted JPS5348601A (en) 1976-10-16 1976-10-16 Noise control system

Country Status (1)

Country Link
JP (1) JPS5348601A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164951A (en) * 1980-05-23 1981-12-18 Babcock Hitachi Kk Ae measuring device
JPS5852695A (ja) * 1981-09-25 1983-03-28 日産自動車株式会社 車両用音声検出装置
FR2582885A1 (fr) * 1985-05-31 1986-12-05 Zurcher Frederic Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.
JPS62130048A (ja) * 1985-12-02 1987-06-12 Rohm Co Ltd 音声スイツチ回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828103A (enrdf_load_stackoverflow) * 1971-08-13 1973-04-13
JPS5121709A (ja) * 1974-08-19 1976-02-21 Tokyo Shibaura Electric Co Kakuseidenwakiseigyokairo

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828103A (enrdf_load_stackoverflow) * 1971-08-13 1973-04-13
JPS5121709A (ja) * 1974-08-19 1976-02-21 Tokyo Shibaura Electric Co Kakuseidenwakiseigyokairo

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164951A (en) * 1980-05-23 1981-12-18 Babcock Hitachi Kk Ae measuring device
JPS5852695A (ja) * 1981-09-25 1983-03-28 日産自動車株式会社 車両用音声検出装置
FR2582885A1 (fr) * 1985-05-31 1986-12-05 Zurcher Frederic Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.
JPS62130048A (ja) * 1985-12-02 1987-06-12 Rohm Co Ltd 音声スイツチ回路

Also Published As

Publication number Publication date
JPS5519108B2 (enrdf_load_stackoverflow) 1980-05-23

Similar Documents

Publication Publication Date Title
JPS5348601A (en) Noise control system
JPS5386502A (en) Control unit for telephone circuit netwoek
JPS5363905A (en) Selective call communication system
JPS5348602A (en) Voice control system
JPS5362902A (en) Selection system for switching office
JPS53145504A (en) Cordless telephone equipment
JPS5339808A (en) Control circuit
JPS51134505A (en) Automatic telephone volume control according to the ambient noises
JPS51121203A (en) Telephone circuits
JPS51128208A (en) Idling power saving
JPS5328306A (en) Channel geover system of busy channel i n mobile communication
JPS52113109A (en) Automatic answering telephone set
JPS53108709A (en) Digital sound insertion system
JPS5421104A (en) Inter-call selection receiver
JPS52127115A (en) Receiver
JPS5355905A (en) Automatic dialing system
JPS532003A (en) Circuit control of mobile communication
JPS5332603A (en) Telephone set with timer
JPS5382103A (en) Automatic answering telephone set
JPS5362402A (en) Loudening telephone unit
JPS5393712A (en) Malfunction preventing circuit for signal receiver
JPS5390704A (en) Incoming response system
JPS5287311A (en) Transceiver
JPS53123646A (en) Limiter circuit
JPS5371502A (en) Individual-selection and call receiver