JPS5787268A - Telephone system - Google Patents

Telephone system

Info

Publication number
JPS5787268A
JPS5787268A JP55161898A JP16189880A JPS5787268A JP S5787268 A JPS5787268 A JP S5787268A JP 55161898 A JP55161898 A JP 55161898A JP 16189880 A JP16189880 A JP 16189880A JP S5787268 A JPS5787268 A JP S5787268A
Authority
JP
Japan
Prior art keywords
circuit
terminals
terminal
trunk
extension
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
JP55161898A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317266B2 (enrdf_load_stackoverflow
Inventor
Shigeyuki Mizukoshi
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 JP55161898A priority Critical patent/JPS5787268A/ja
Publication of JPS5787268A publication Critical patent/JPS5787268A/ja
Publication of JPS6317266B2 publication Critical patent/JPS6317266B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP55161898A 1980-11-19 1980-11-19 Telephone system Granted JPS5787268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55161898A JPS5787268A (en) 1980-11-19 1980-11-19 Telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55161898A JPS5787268A (en) 1980-11-19 1980-11-19 Telephone system

Publications (2)

Publication Number Publication Date
JPS5787268A true JPS5787268A (en) 1982-05-31
JPS6317266B2 JPS6317266B2 (enrdf_load_stackoverflow) 1988-04-13

Family

ID=15744104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55161898A Granted JPS5787268A (en) 1980-11-19 1980-11-19 Telephone system

Country Status (1)

Country Link
JP (1) JPS5787268A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193803A (enrdf_load_stackoverflow) * 1975-02-17 1976-08-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193803A (enrdf_load_stackoverflow) * 1975-02-17 1976-08-17

Also Published As

Publication number Publication date
JPS6317266B2 (enrdf_load_stackoverflow) 1988-04-13

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