JPS5680905A - Function switching device of amplifier - Google Patents

Function switching device of amplifier

Info

Publication number
JPS5680905A
JPS5680905A JP15847479A JP15847479A JPS5680905A JP S5680905 A JPS5680905 A JP S5680905A JP 15847479 A JP15847479 A JP 15847479A JP 15847479 A JP15847479 A JP 15847479A JP S5680905 A JPS5680905 A JP S5680905A
Authority
JP
Japan
Prior art keywords
equipments
detection
amplifier
source group
outputs
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
JP15847479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6222483B2 (enrdf_load_stackoverflow
Inventor
Yoshio Koizumi
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP15847479A priority Critical patent/JPS5680905A/ja
Publication of JPS5680905A publication Critical patent/JPS5680905A/ja
Publication of JPS6222483B2 publication Critical patent/JPS6222483B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
JP15847479A 1979-12-06 1979-12-06 Function switching device of amplifier Granted JPS5680905A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15847479A JPS5680905A (en) 1979-12-06 1979-12-06 Function switching device of amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15847479A JPS5680905A (en) 1979-12-06 1979-12-06 Function switching device of amplifier

Publications (2)

Publication Number Publication Date
JPS5680905A true JPS5680905A (en) 1981-07-02
JPS6222483B2 JPS6222483B2 (enrdf_load_stackoverflow) 1987-05-18

Family

ID=15672523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15847479A Granted JPS5680905A (en) 1979-12-06 1979-12-06 Function switching device of amplifier

Country Status (1)

Country Link
JP (1) JPS5680905A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6093809A (ja) * 1983-10-27 1985-05-25 Sanyo Electric Co Ltd 自動フアンクシヨン切換装置
JPS62226403A (ja) * 1986-03-27 1987-10-05 Sharp Corp 音響装置の入力モ−ド切り換え回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6093809A (ja) * 1983-10-27 1985-05-25 Sanyo Electric Co Ltd 自動フアンクシヨン切換装置
JPS62226403A (ja) * 1986-03-27 1987-10-05 Sharp Corp 音響装置の入力モ−ド切り換え回路

Also Published As

Publication number Publication date
JPS6222483B2 (enrdf_load_stackoverflow) 1987-05-18

Similar Documents

Publication Publication Date Title
DE2966268D1 (en) A switching circuit
JPS5446451A (en) Detector for overload of amplifier
GB1532814A (en) Protection device for disconnecting a current supply from a load in response to a ground fault current
JPS484924A (enrdf_load_stackoverflow)
JPS5575821U (enrdf_load_stackoverflow)
JPS6455014A (en) Switching apparatus for avoiding leakage current
JPS5341218A (en) Speaker protecting circuit
JPS5680905A (en) Function switching device of amplifier
JPS466177A (enrdf_load_stackoverflow)
EP0277031A3 (en) Volume control circuit for use in portable telephone or the like
JPS526550A (en) 2-wire type conversion amplifier
JPS5555605A (en) Protective circuit for power output circuit
JPS5531302A (en) Btl-system amplifier device
JPS54103526A (en) Electrical route insulation resistance supervising device
JPS5467402A (en) Power source system for sound device
GB913683A (en) Stereo tape recorder system
JPS5393343A (en) Protective relay
JPS5397753A (en) Maximum output controller for power amplifier
JPS56156007A (en) Amplifying device
JPS5567660A (en) Power maker circuit
JPS56130872A (en) Function change-over circuit
JPS56111176A (en) Recording and playback device
JPS5664665A (en) Compromise diagnosis method of transformer et al
JPS5644251A (en) Loud speaker telephone device
JPS5381169A (en) Direct current measuring apparatus