GB2157130B - Telephone apparatus - Google Patents

Telephone apparatus

Info

Publication number
GB2157130B
GB2157130B GB08508025A GB8508025A GB2157130B GB 2157130 B GB2157130 B GB 2157130B GB 08508025 A GB08508025 A GB 08508025A GB 8508025 A GB8508025 A GB 8508025A GB 2157130 B GB2157130 B GB 2157130B
Authority
GB
United Kingdom
Prior art keywords
telephone apparatus
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
GB08508025A
Other versions
GB8508025D0 (en
GB2157130A (en
Inventor
Augustine Anthony Bermingham
John Mary Walters
Richard Gerard Stokes
Thomas Joseph Delaney
Seamus Joseph Doran
Michael O'dwyer
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.)
Lake Electronic Technologies Ltd
Original Assignee
Lake Electronic Technologies 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
Priority claimed from IE79084A external-priority patent/IE56066B1/en
Application filed by Lake Electronic Technologies Ltd filed Critical Lake Electronic Technologies Ltd
Publication of GB8508025D0 publication Critical patent/GB8508025D0/en
Publication of GB2157130A publication Critical patent/GB2157130A/en
Application granted granted Critical
Publication of GB2157130B publication Critical patent/GB2157130B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements 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)
GB08508025A 1984-03-30 1985-03-27 Telephone apparatus Expired GB2157130B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE79084A IE56066B1 (en) 1984-03-30 1984-03-30 Telephone apparatus

Publications (3)

Publication Number Publication Date
GB8508025D0 GB8508025D0 (en) 1985-05-01
GB2157130A GB2157130A (en) 1985-10-16
GB2157130B true GB2157130B (en) 1987-12-09

Family

ID=11018176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08508025A Expired GB2157130B (en) 1984-03-30 1985-03-27 Telephone apparatus

Country Status (2)

Country Link
BE (1) BE902062A (en)
GB (1) GB2157130B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL109105A0 (en) * 1994-03-24 1994-06-24 Orbitech Advanced Systems Ltd Communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2049361B (en) * 1979-05-04 1983-02-02 Gen Electric Telephone intercommunication systems
JPS57129565A (en) * 1981-02-04 1982-08-11 Nitsuko Ltd Key telephone system
JPS58195393A (en) * 1982-05-10 1983-11-14 Nec Corp Key telephone set

Also Published As

Publication number Publication date
GB8508025D0 (en) 1985-05-01
BE902062A (en) 1985-07-16
GB2157130A (en) 1985-10-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee