JPH0131359B2 - - Google Patents

Info

Publication number
JPH0131359B2
JPH0131359B2 JP6408480A JP6408480A JPH0131359B2 JP H0131359 B2 JPH0131359 B2 JP H0131359B2 JP 6408480 A JP6408480 A JP 6408480A JP 6408480 A JP6408480 A JP 6408480A JP H0131359 B2 JPH0131359 B2 JP H0131359B2
Authority
JP
Japan
Prior art keywords
extension
communication path
line
communication
telephone
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.)
Expired
Application number
JP6408480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161753A (en
Inventor
Hirozo Shintani
Takeo Ooba
Eiji Morikami
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.)
Iwasaki Tsushinki KK
Original Assignee
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 Iwasaki Tsushinki KK filed Critical Iwasaki Tsushinki KK
Priority to JP6408480A priority Critical patent/JPS56161753A/ja
Publication of JPS56161753A publication Critical patent/JPS56161753A/ja
Publication of JPH0131359B2 publication Critical patent/JPH0131359B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/002Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005Arrangements 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)
JP6408480A 1980-05-16 1980-05-16 Key telephone set Granted JPS56161753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6408480A JPS56161753A (en) 1980-05-16 1980-05-16 Key telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6408480A JPS56161753A (en) 1980-05-16 1980-05-16 Key telephone set

Publications (2)

Publication Number Publication Date
JPS56161753A JPS56161753A (en) 1981-12-12
JPH0131359B2 true JPH0131359B2 (sl) 1989-06-26

Family

ID=13247858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6408480A Granted JPS56161753A (en) 1980-05-16 1980-05-16 Key telephone set

Country Status (1)

Country Link
JP (1) JPS56161753A (sl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6422193A (en) * 1987-07-17 1989-01-25 Iwatsu Electric Co Ltd Telephone system
JPH0670962A (ja) * 1992-06-29 1994-03-15 Masao Takuwa 動物の下にマットを敷くことにより、マットから動物の湿気を取 り除く乾燥機具

Also Published As

Publication number Publication date
JPS56161753A (en) 1981-12-12

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