JPS5287305A - Talk line switching circuit in push-phone - Google Patents

Talk line switching circuit in push-phone

Info

Publication number
JPS5287305A
JPS5287305A JP361776A JP361776A JPS5287305A JP S5287305 A JPS5287305 A JP S5287305A JP 361776 A JP361776 A JP 361776A JP 361776 A JP361776 A JP 361776A JP S5287305 A JPS5287305 A JP S5287305A
Authority
JP
Japan
Prior art keywords
phone
push
switching circuit
line switching
line
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
JP361776A
Other languages
English (en)
Other versions
JPS555950B2 (ja
Inventor
Norihisa Hijikata
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
Original Assignee
Iwatsu 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP361776A priority Critical patent/JPS5287305A/ja
Publication of JPS5287305A publication Critical patent/JPS5287305A/ja
Publication of JPS555950B2 publication Critical patent/JPS555950B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP361776A 1976-01-14 1976-01-14 Talk line switching circuit in push-phone Granted JPS5287305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP361776A JPS5287305A (en) 1976-01-14 1976-01-14 Talk line switching circuit in push-phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP361776A JPS5287305A (en) 1976-01-14 1976-01-14 Talk line switching circuit in push-phone

Publications (2)

Publication Number Publication Date
JPS5287305A true JPS5287305A (en) 1977-07-21
JPS555950B2 JPS555950B2 (ja) 1980-02-12

Family

ID=11562445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP361776A Granted JPS5287305A (en) 1976-01-14 1976-01-14 Talk line switching circuit in push-phone

Country Status (1)

Country Link
JP (1) JPS5287305A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859706A (ja) * 1971-11-26 1973-08-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859706A (ja) * 1971-11-26 1973-08-22

Also Published As

Publication number Publication date
JPS555950B2 (ja) 1980-02-12

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