JPS6247023B2 - - Google Patents

Info

Publication number
JPS6247023B2
JPS6247023B2 JP5953481A JP5953481A JPS6247023B2 JP S6247023 B2 JPS6247023 B2 JP S6247023B2 JP 5953481 A JP5953481 A JP 5953481A JP 5953481 A JP5953481 A JP 5953481A JP S6247023 B2 JPS6247023 B2 JP S6247023B2
Authority
JP
Japan
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
JP5953481A
Other versions
JPS57174969A (en
Inventor
Reijiro Fukutomi
Takashi Oomori
Naohiko Kamae
Juichi Sato
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Priority to JP5953481A priority Critical patent/JPS6247023B2/ja
Publication of JPS57174969A publication Critical patent/JPS57174969A/en
Publication of JPS6247023B2 publication Critical patent/JPS6247023B2/ja
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/20Automatic or semi-automatic exchanges with means for interrupting existing connections; with means for breaking-in on conversations
JP5953481A 1981-04-20 1981-04-20 Expired JPS6247023B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5953481A JPS6247023B2 (en) 1981-04-20 1981-04-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5953481A JPS6247023B2 (en) 1981-04-20 1981-04-20

Publications (2)

Publication Number Publication Date
JPS57174969A JPS57174969A (en) 1982-10-27
JPS6247023B2 true JPS6247023B2 (en) 1987-10-06

Family

ID=13116018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5953481A Expired JPS6247023B2 (en) 1981-04-20 1981-04-20

Country Status (1)

Country Link
JP (1) JPS6247023B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243629B2 (en) * 1981-08-31 1987-09-16 Fujitsu Ltd
CH674910A5 (en) * 1987-11-27 1990-07-31 Francois Joseph Camperio
CA2148023C (en) * 1994-07-01 1999-01-19 Jerry Eisdorfer Intelligent call waiting

Also Published As

Publication number Publication date
JPS57174969A (en) 1982-10-27

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