JPS6155305B2 - - Google Patents

Info

Publication number
JPS6155305B2
JPS6155305B2 JP52159926A JP15992677A JPS6155305B2 JP S6155305 B2 JPS6155305 B2 JP S6155305B2 JP 52159926 A JP52159926 A JP 52159926A JP 15992677 A JP15992677 A JP 15992677A JP S6155305 B2 JPS6155305 B2 JP S6155305B2
Authority
JP
Japan
Prior art keywords
call
line
circuit
calling
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.)
Expired
Application number
JP52159926A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5489507A (en
Inventor
Shinichi Shibata
Yoshiichi Sano
Taiji Sato
Takao Yamamoto
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP15992677A priority Critical patent/JPS5489507A/ja
Priority to US05/889,657 priority patent/US4184054A/en
Publication of JPS5489507A publication Critical patent/JPS5489507A/ja
Publication of JPS6155305B2 publication Critical patent/JPS6155305B2/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
    • H04M9/06—Arrangements for interconnection not involving centralised switching involving combinations of interconnecting lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP15992677A 1977-03-28 1977-12-27 Key telephone set Granted JPS5489507A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15992677A JPS5489507A (en) 1977-12-27 1977-12-27 Key telephone set
US05/889,657 US4184054A (en) 1977-03-28 1978-03-21 Key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15992677A JPS5489507A (en) 1977-12-27 1977-12-27 Key telephone set

Publications (2)

Publication Number Publication Date
JPS5489507A JPS5489507A (en) 1979-07-16
JPS6155305B2 true JPS6155305B2 (enrdf_load_stackoverflow) 1986-11-27

Family

ID=15704161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15992677A Granted JPS5489507A (en) 1977-03-28 1977-12-27 Key telephone set

Country Status (1)

Country Link
JP (1) JPS5489507A (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513516B2 (enrdf_load_stackoverflow) * 1972-06-08 1976-02-03
JPS5139283B2 (enrdf_load_stackoverflow) * 1972-07-26 1976-10-27
JPS5119406A (ja) * 1974-08-09 1976-02-16 Iwatsu Electric Co Ltd Botandenwasochiniokeru yobidashihoshiki
JPS583377B2 (ja) * 1974-09-21 1983-01-21 三菱電機株式会社 ハンドウタイソウチ ノ セイゾウホウホウ
JPS5934100B2 (ja) * 1975-09-05 1984-08-20 株式会社クボタ 排ワラ処理装置

Also Published As

Publication number Publication date
JPS5489507A (en) 1979-07-16

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