JPS51141507A - Speaker talking system - Google Patents

Speaker talking system

Info

Publication number
JPS51141507A
JPS51141507A JP6592175A JP6592175A JPS51141507A JP S51141507 A JPS51141507 A JP S51141507A JP 6592175 A JP6592175 A JP 6592175A JP 6592175 A JP6592175 A JP 6592175A JP S51141507 A JPS51141507 A JP S51141507A
Authority
JP
Japan
Prior art keywords
speaker talking
speaker
talking system
talking
releases
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
JP6592175A
Other languages
English (en)
Other versions
JPS5426445B2 (ja
Inventor
Akihiko Suzuki
Yoichiro Sano
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP6592175A priority Critical patent/JPS51141507A/ja
Publication of JPS51141507A publication Critical patent/JPS51141507A/ja
Publication of JPS5426445B2 publication Critical patent/JPS5426445B2/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
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP6592175A 1975-05-31 1975-05-31 Speaker talking system Granted JPS51141507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6592175A JPS51141507A (en) 1975-05-31 1975-05-31 Speaker talking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6592175A JPS51141507A (en) 1975-05-31 1975-05-31 Speaker talking system

Publications (2)

Publication Number Publication Date
JPS51141507A true JPS51141507A (en) 1976-12-06
JPS5426445B2 JPS5426445B2 (ja) 1979-09-04

Family

ID=13300905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6592175A Granted JPS51141507A (en) 1975-05-31 1975-05-31 Speaker talking system

Country Status (1)

Country Link
JP (1) JPS51141507A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429904A (en) * 1977-08-11 1979-03-06 Fujitsu Ltd Monitor system of key telephone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429904A (en) * 1977-08-11 1979-03-06 Fujitsu Ltd Monitor system of key telephone system

Also Published As

Publication number Publication date
JPS5426445B2 (ja) 1979-09-04

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