GB2167920B - Telephone circuit - Google Patents

Telephone circuit

Info

Publication number: GB2167920B
Authority: GB; United Kingdom
Prior art keywords: telephone circuit; telephone; circuit
Prior art date: 1984-11-28
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

GB08430047A

Other versions

GB8430047D0 (en

GB2167920A (en

Inventor

Frederick John Howett

John Michael Flavin

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.)

STC PLC

Original Assignee

STC PLC

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.)

1984-11-28

Filing date

1984-11-28

Publication date

1988-12-21

1984-11-28 Application filed by STC PLC filed Critical STC PLC

1984-11-28 Priority to GB08430047A priority Critical patent/GB2167920B/en

1985-01-09 Publication of GB8430047D0 publication Critical patent/GB8430047D0/en

1986-06-04 Publication of GB2167920A publication Critical patent/GB2167920A/en

1988-12-21 Application granted granted Critical

1988-12-21 Publication of GB2167920B publication Critical patent/GB2167920B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/7385—Programmable or microprocessor-controlled

Landscapes

Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Microelectronics & Electronic Packaging (AREA)
Signal Processing (AREA)
Communication Control (AREA)

GB08430047A 1984-11-28 1984-11-28 Telephone circuit Expired GB2167920B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08430047A GB2167920B (en)	1984-11-28	1984-11-28	Telephone circuit

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08430047A GB2167920B (en)	1984-11-28	1984-11-28	Telephone circuit

Publications (3)

Publication Number	Publication Date
GB8430047D0 GB8430047D0 (en)	1985-01-09
GB2167920A GB2167920A (en)	1986-06-04
GB2167920B true GB2167920B (en)	1988-12-21

Family

ID=10570405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08430047A Expired GB2167920B (en)	1984-11-28	1984-11-28	Telephone circuit

Country Status (1)

Country	Link
GB (1)	GB2167920B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3725329A1 (en) *	1987-07-30	1989-02-09	Siemens Ag	CIRCUIT ARRANGEMENT FOR A DIGITAL TELEPHONE STATION
CA1280229C (en) *	1988-04-29	1991-02-12	Michael Jamil Wakim	Infrared hookswitch for a telephone
DE4128686A1 (en) *	1991-08-29	1993-03-04	Telefonbau & Normalzeit Gmbh	Cooperating working procedure for telecommunications terminal and personal computer - transmitting computer signal in identical structure, as delivered by terminal control, to terminal testing device
DE4306200A1 (en) *	1993-02-27	1994-09-01	Sel Alcatel Ag	Voice-controlled telephone device
NZ250812A (en) *	1993-02-27	1996-09-25	Alcatel Australia	Voice controlled data memory and input/output card

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2917570B1 (en) *	1979-04-30	1980-05-14	Telefonbau & Normalzeit Gmbh	Circuit arrangement for a digital telephone subscriber station
GB2105950B (en) *	1981-08-06	1985-09-25	Standard Telephones Cables Ltd	Telephone data interface
CA1169597A (en) *	1981-09-11	1984-06-19	Gordon D. Benning	Home communications and control system
IT1161452B (en) *	1983-01-06	1987-03-18	Olivetti & Co Spa	CALCULATION MACHINE WITH TELECOMMUNICATION DEVICES
JPS59143449A (en) *	1983-02-03	1984-08-17	Sharp Corp	Data transmission processor

1984
- 1984-11-28 GB GB08430047A patent/GB2167920B/en not_active Expired

Also Published As

Publication number	Publication date
GB8430047D0 (en)	1985-01-09
GB2167920A (en)	1986-06-04

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Legal Events

Date	Code	Title
1993-08-25	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1994-03-02	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2003-07-16	PCNP	Patent ceased through non-payment of renewal fee