AU542932B2 - Key telephone system - Google Patents

Key telephone system

Info

Publication number
AU542932B2
AU542932B2 AU71040/81A AU7104081A AU542932B2 AU 542932 B2 AU542932 B2 AU 542932B2 AU 71040/81 A AU71040/81 A AU 71040/81A AU 7104081 A AU7104081 A AU 7104081A AU 542932 B2 AU542932 B2 AU 542932B2
Authority
AU
Australia
Prior art keywords
telephone system
key telephone
key
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.)
Ceased
Application number
AU71040/81A
Other versions
AU7104081A (en
Inventor
Michio Mito
Seiki Ogawa
Tsuyoshi Shinoi
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.)
Nippon Telegraph and Telephone Corp
Nippon Tsushin Kogyo KK
Original Assignee
Nippon Telegraph and Telephone Corp
Nitsuko Corp
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 and Telephone Corp, Nitsuko Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to AU71040/81A priority Critical patent/AU542932B2/en
Publication of AU7104081A publication Critical patent/AU7104081A/en
Application granted granted Critical
Publication of AU542932B2 publication Critical patent/AU542932B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU71040/81A 1981-05-26 1981-05-26 Key telephone system Ceased AU542932B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU71040/81A AU542932B2 (en) 1981-05-26 1981-05-26 Key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU71040/81A AU542932B2 (en) 1981-05-26 1981-05-26 Key telephone system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU61511/80A Addition AU521265B2 (en) 1979-08-20 1980-08-15 Key telephone system

Publications (2)

Publication Number Publication Date
AU7104081A AU7104081A (en) 1982-08-12
AU542932B2 true AU542932B2 (en) 1985-03-28

Family

ID=3754047

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71040/81A Ceased AU542932B2 (en) 1981-05-26 1981-05-26 Key telephone system

Country Status (1)

Country Link
AU (1) AU542932B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU651202B2 (en) * 1991-05-25 1994-07-14 Alcatel N.V. A key telephone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU651202B2 (en) * 1991-05-25 1994-07-14 Alcatel N.V. A key telephone system

Also Published As

Publication number Publication date
AU7104081A (en) 1982-08-12

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