GB2157130B - Telephone apparatus - Google Patents

Telephone apparatus

Info

Publication number: GB2157130B
Authority: GB; United Kingdom
Prior art keywords: telephone apparatus; telephone
Prior art date: 1984-03-30
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.)

1984-03-30

Filing date

1985-03-27

Publication date

1987-12-09

1984-03-30 Priority claimed from IE79084A external-priority patent/IE56066B1/en

1985-03-27 Application filed by Lake Electronic Technologies Ltd filed Critical Lake Electronic Technologies Ltd

1985-05-01 Publication of GB8508025D0 publication Critical patent/GB8508025D0/en

1985-10-16 Publication of GB2157130A publication Critical patent/GB2157130A/en

1987-12-09 Application granted granted Critical

1987-12-09 Publication of GB2157130B publication Critical patent/GB2157130B/en

Status Expired legal-status Critical Current

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

1985
- 1985-03-27 GB GB08508025A patent/GB2157130B/en not_active Expired
- 1985-03-29 BE BE0/214739A patent/BE902062A/en not_active IP Right Cessation

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
1991-11-27	PCNP	Patent ceased through non-payment of renewal fee