FI873929A0 - ELEKTRONISK HAOLLKRETS FOER OEVER ABONNENTLEDNINGEN MATADE TVAOVAEGSTELEFONER. - Google Patents

ELEKTRONISK HAOLLKRETS FOER OEVER ABONNENTLEDNINGEN MATADE TVAOVAEGSTELEFONER.

Info

Publication number: FI873929A0
Authority: FI; Finland
Prior art keywords: tvaovaegstelefoner; matade; haollkrets; abonnentledningen; elektronisk
Prior art date: 1986-09-11

Application number

FI873929A

Other languages

Finnish (fi)

Other versions

FI873929A (en

Inventor

Wolfgang Strzeletz

Original Assignee

Siemens Ag

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.)

1986-09-11

Filing date

1987-09-10

Publication date

1987-09-10

1987-09-10 Application filed by Siemens Ag filed Critical Siemens Ag

1987-09-10 Publication of FI873929A0 publication Critical patent/FI873929A0/en

1988-03-12 Publication of FI873929A publication Critical patent/FI873929A/en

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)

FI873929A 1986-09-11 1987-09-10 ELEKTRONISK HAOLLKRETS FOER OEVER ABONNENTLEDNINGEN MATADE TVAOVAEGSTELEFONER. FI873929A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3630989		1986-09-11

Publications (2)

Publication Number	Publication Date
FI873929A0 true FI873929A0 (en)	1987-09-10
FI873929A FI873929A (en)	1988-03-12

Family

ID=6309389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI873929A FI873929A (en)	1986-09-11	1987-09-10	ELEKTRONISK HAOLLKRETS FOER OEVER ABONNENTLEDNINGEN MATADE TVAOVAEGSTELEFONER.

Country Status (4)

Country	Link
EP (1)	EP0263972A3 (en)
AU (1)	AU597420B2 (en)
FI (1)	FI873929A (en)
IN (1)	IN164858B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IN167984B (en) *	1986-09-23	1991-01-19	Siemens Ag

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3766325A (en) *	1971-09-13	1973-10-16	Lordel Mfg Co	Control circuits for key telephone system
US4490583A (en) *	1983-02-14	1984-12-25	Circom, Inc.	Plural line telephone controller
IN167984B (en) *	1986-09-23	1991-01-19	Siemens Ag

1987
- 1987-07-29 IN IN586/CAL/87A patent/IN164858B/en unknown
- 1987-09-08 EP EP87113137A patent/EP0263972A3/en not_active Withdrawn
- 1987-09-10 AU AU78245/87A patent/AU597420B2/en not_active Ceased
- 1987-09-10 FI FI873929A patent/FI873929A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI873929A (en)	1988-03-12
AU597420B2 (en)	1990-05-31
EP0263972A2 (en)	1988-04-20
AU7824587A (en)	1988-03-17
EP0263972A3 (en)	1989-06-07
IN164858B (en)	1989-06-17

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: SIEMENS AKTIENGESELLSCHAFT