JPS5426611A - Howling prevention unit - Google Patents

Howling prevention unit

Info

Publication number
JPS5426611A
JPS5426611A JP9196377A JP9196377A JPS5426611A JP S5426611 A JPS5426611 A JP S5426611A JP 9196377 A JP9196377 A JP 9196377A JP 9196377 A JP9196377 A JP 9196377A JP S5426611 A JPS5426611 A JP S5426611A
Authority
JP
Japan
Prior art keywords
prevention unit
howling prevention
audio signal
howling
waveform
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
JP9196377A
Other languages
Japanese (ja)
Other versions
JPS5952877B2 (en
Inventor
Yuzo Fuse
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP9196377A priority Critical patent/JPS5952877B2/en
Publication of JPS5426611A publication Critical patent/JPS5426611A/en
Publication of JPS5952877B2 publication Critical patent/JPS5952877B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE:To enable to prevent howling even with continuous audio signal, by changing the waveform of the gain control signal depending on the level of the audio signal, in an amplifying circuit system.
JP9196377A 1977-07-29 1977-07-29 Howling prevention device Expired JPS5952877B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9196377A JPS5952877B2 (en) 1977-07-29 1977-07-29 Howling prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9196377A JPS5952877B2 (en) 1977-07-29 1977-07-29 Howling prevention device

Publications (2)

Publication Number Publication Date
JPS5426611A true JPS5426611A (en) 1979-02-28
JPS5952877B2 JPS5952877B2 (en) 1984-12-21

Family

ID=14041202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9196377A Expired JPS5952877B2 (en) 1977-07-29 1977-07-29 Howling prevention device

Country Status (1)

Country Link
JP (1) JPS5952877B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0262377A (en) * 1988-07-04 1990-03-02 Mas Fab Rieter Ag Sliver guide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0262377A (en) * 1988-07-04 1990-03-02 Mas Fab Rieter Ag Sliver guide

Also Published As

Publication number Publication date
JPS5952877B2 (en) 1984-12-21

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