JPS51121202A - Direct separate selective calling method - Google Patents

Direct separate selective calling method

Info

Publication number
JPS51121202A
JPS51121202A JP4579775A JP4579775A JPS51121202A JP S51121202 A JPS51121202 A JP S51121202A JP 4579775 A JP4579775 A JP 4579775A JP 4579775 A JP4579775 A JP 4579775A JP S51121202 A JPS51121202 A JP S51121202A
Authority
JP
Japan
Prior art keywords
calling method
selective calling
separate selective
direct separate
direct
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
JP4579775A
Other languages
Japanese (ja)
Other versions
JPS5536222B2 (en
Inventor
Hikari Takematsu
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 JP4579775A priority Critical patent/JPS51121202A/en
Publication of JPS51121202A publication Critical patent/JPS51121202A/en
Publication of JPS5536222B2 publication Critical patent/JPS5536222B2/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)

Abstract

PURPOSE:To provide a direct-separate selective calling method which makes it possible to call up from a particular pushbutton telephone other pushbutton telephones separately and selectively.
JP4579775A 1975-04-17 1975-04-17 Direct separate selective calling method Granted JPS51121202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4579775A JPS51121202A (en) 1975-04-17 1975-04-17 Direct separate selective calling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4579775A JPS51121202A (en) 1975-04-17 1975-04-17 Direct separate selective calling method

Publications (2)

Publication Number Publication Date
JPS51121202A true JPS51121202A (en) 1976-10-23
JPS5536222B2 JPS5536222B2 (en) 1980-09-19

Family

ID=12729254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4579775A Granted JPS51121202A (en) 1975-04-17 1975-04-17 Direct separate selective calling method

Country Status (1)

Country Link
JP (1) JPS51121202A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915641A (en) * 1972-06-03 1974-02-12
JPS4940006A (en) * 1972-08-16 1974-04-15
JPS5012243U (en) * 1973-05-30 1975-02-07

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915641A (en) * 1972-06-03 1974-02-12
JPS4940006A (en) * 1972-08-16 1974-04-15
JPS5012243U (en) * 1973-05-30 1975-02-07

Also Published As

Publication number Publication date
JPS5536222B2 (en) 1980-09-19

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