JPS5267502A - Hauling preventing unit - Google Patents

Hauling preventing unit

Info

Publication number
JPS5267502A
JPS5267502A JP14289075A JP14289075A JPS5267502A JP S5267502 A JPS5267502 A JP S5267502A JP 14289075 A JP14289075 A JP 14289075A JP 14289075 A JP14289075 A JP 14289075A JP S5267502 A JPS5267502 A JP S5267502A
Authority
JP
Japan
Prior art keywords
hauling
preventing unit
gain
limit point
setting
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
JP14289075A
Other languages
Japanese (ja)
Other versions
JPS582500B2 (en
Inventor
Yoshihiko Matsui
Ryuji Kishi
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.)
TAIYO DENON KK
Toshiba Corp
Original Assignee
TAIYO DENON KK
Toshiba Corp
Tokyo Shibaura Electric 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 TAIYO DENON KK, Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical TAIYO DENON KK
Priority to JP50142890A priority Critical patent/JPS582500B2/en
Publication of JPS5267502A publication Critical patent/JPS5267502A/en
Publication of JPS582500B2 publication Critical patent/JPS582500B2/en
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

PURPOSE:To prevent hauling trouble by setting the gain of the audio amplifying system in the vicinity of the hauling limit point with no audio input, and by automatically setting the gain to a value exceeding the hauling limit point.
JP50142890A 1975-12-03 1975-12-03 Howling Bow Shisouchi Expired JPS582500B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50142890A JPS582500B2 (en) 1975-12-03 1975-12-03 Howling Bow Shisouchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50142890A JPS582500B2 (en) 1975-12-03 1975-12-03 Howling Bow Shisouchi

Publications (2)

Publication Number Publication Date
JPS5267502A true JPS5267502A (en) 1977-06-04
JPS582500B2 JPS582500B2 (en) 1983-01-17

Family

ID=15325962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50142890A Expired JPS582500B2 (en) 1975-12-03 1975-12-03 Howling Bow Shisouchi

Country Status (1)

Country Link
JP (1) JPS582500B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710806A (en) * 1994-09-22 1998-01-20 Ameri Phone, Inc. Telecommunications device for the hearing impaired with telephone, text communication and answering, and automated voice carryover

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830303A (en) * 1971-08-20 1973-04-21
JPS4847205A (en) * 1971-10-16 1973-07-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830303A (en) * 1971-08-20 1973-04-21
JPS4847205A (en) * 1971-10-16 1973-07-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710806A (en) * 1994-09-22 1998-01-20 Ameri Phone, Inc. Telecommunications device for the hearing impaired with telephone, text communication and answering, and automated voice carryover

Also Published As

Publication number Publication date
JPS582500B2 (en) 1983-01-17

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