JPS5219009A - Speech calling system of key telephone system - Google Patents

Speech calling system of key telephone system

Info

Publication number
JPS5219009A
JPS5219009A JP9474975A JP9474975A JPS5219009A JP S5219009 A JPS5219009 A JP S5219009A JP 9474975 A JP9474975 A JP 9474975A JP 9474975 A JP9474975 A JP 9474975A JP S5219009 A JPS5219009 A JP S5219009A
Authority
JP
Japan
Prior art keywords
key telephone
speech calling
telephone system
speech
calling system
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
JP9474975A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5547784B2 (enExample
Inventor
Minoru Sasai
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.)
Kanda Tsushin Kogyo Co Ltd
Original Assignee
Kanda Tsushin Kogyo 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 Kanda Tsushin Kogyo Co Ltd filed Critical Kanda Tsushin Kogyo Co Ltd
Priority to JP9474975A priority Critical patent/JPS5219009A/ja
Publication of JPS5219009A publication Critical patent/JPS5219009A/ja
Publication of JPS5547784B2 publication Critical patent/JPS5547784B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9474975A 1975-08-05 1975-08-05 Speech calling system of key telephone system Granted JPS5219009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9474975A JPS5219009A (en) 1975-08-05 1975-08-05 Speech calling system of key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9474975A JPS5219009A (en) 1975-08-05 1975-08-05 Speech calling system of key telephone system

Publications (2)

Publication Number Publication Date
JPS5219009A true JPS5219009A (en) 1977-01-14
JPS5547784B2 JPS5547784B2 (enExample) 1980-12-02

Family

ID=14118763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9474975A Granted JPS5219009A (en) 1975-08-05 1975-08-05 Speech calling system of key telephone system

Country Status (1)

Country Link
JP (1) JPS5219009A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0490675U (enExample) * 1990-12-25 1992-08-07

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090308A (enExample) * 1973-12-11 1975-07-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090308A (enExample) * 1973-12-11 1975-07-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0490675U (enExample) * 1990-12-25 1992-08-07

Also Published As

Publication number Publication date
JPS5547784B2 (enExample) 1980-12-02

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