BE881361A - Dispositif de signalisation d'attente d'appel - Google Patents

Dispositif de signalisation d'attente d'appel

Info

Publication number: BE881361A
Authority: BE; Belgium
Prior art keywords: signaling device; call waiting; waiting signaling; call; waiting
Prior art date: 1979-05-02

Application number

BE2/58369A

Other languages

English (en)

Inventor

J Jusinskas

Original Assignee

Gte Automatic Electric Lab Inc

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.)

1979-05-02

Filing date

1980-01-28

Publication date

1980-05-16

1980-01-28 Application filed by Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc

1980-05-16 Publication of BE881361A publication Critical patent/BE881361A/fr

Links

Classifications

- 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
- 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
- H04M3/428—Arrangements for placing incoming calls on hold
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Devices For Supply Of Signal Current (AREA)

BE2/58369A 1979-05-02 1980-01-28 Dispositif de signalisation d'attente d'appel BE881361A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/035,139 US4298774A (en)	1979-05-02	1979-05-02	Call waiting signal arrangement

Publications (1)

Publication Number	Publication Date
BE881361A true BE881361A (fr)	1980-05-16

Family

ID=21880893

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2/58369A BE881361A (fr)	1979-05-02	1980-01-28	Dispositif de signalisation d'attente d'appel

Country Status (4)

Country	Link
US (1)	US4298774A (fr)
BE (1)	BE881361A (fr)
CA (1)	CA1149089A (fr)
IT (1)	IT1131125B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61179647A (ja) *	1984-12-29	1986-08-12	Fujitsu Ltd	サ−ビス表示用ランプの点灯方法
US4660220A (en) *	1986-02-25	1987-04-21	Kraus Constantine R	No answer mode for telephone systems
US5384832A (en) *	1992-11-09	1995-01-24	Commstar, Inc.	Method and apparatus for a telephone message announcing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3050592A (en) *	1959-10-01	1962-08-21	Automatic Elect Lab	Message waiting indicating circuits
DE2514657A1 (de) *	1975-04-03	1976-10-14	Deutsche Telephonwerk Kabel	Schaltungsanordnung fuer einen ringleitungsspeisesatz mit bedienungsteil
US4081613A (en) *	1976-05-14	1978-03-28	International Telephone And Telegraph Corporation	Bi-directional signalling arrangement for telecommunications systems
JPS5328317A (en) *	1976-08-30	1978-03-16	Hitachi Ltd	Control system of subscriber's calling signal
US4140882A (en) *	1977-09-12	1979-02-20	Wescom Switching, Inc.	Methods and apparatus for special status indication in telephone systems

1979
- 1979-05-02 US US06/035,139 patent/US4298774A/en not_active Expired - Lifetime
1980
- 1980-01-28 BE BE2/58369A patent/BE881361A/fr not_active IP Right Cessation
- 1980-04-24 CA CA000350615A patent/CA1149089A/fr not_active Expired
- 1980-05-02 IT IT21740/80A patent/IT1131125B/it active

Also Published As

Publication number	Publication date
IT1131125B (it)	1986-06-18
US4298774A (en)	1981-11-03
CA1149089A (fr)	1983-06-28
IT8021740A0 (it)	1980-05-02

Similar Documents

Publication	Publication Date	Title
BE861442A (fr)	1978-03-31	Dispositif d'appel selectif de terminaux eloignes
FR2534949B1 (fr)	1986-02-07	Dispositif de signalisation lumineuse
FR2428763B1 (fr)	1987-03-27	Dispositif d'accouplement
BE887263A (fr)	1981-07-28	Dispositif d'affichage
BE876552A (fr)	1979-09-17	Dispositif d'abrasion
FR2518678B1 (fr)	1986-05-02	Dispositif d'embrayage
FR2547688B1 (fr)	1986-12-05	Dispositif d'elimination du courant d'appel
BE896405A (fr)	1983-08-01	Dispositif d'extrusion
FR2339561A1 (fr)	1977-08-26	Dispositif de suspension de groupe d'abattage
BE873601A (fr)	1979-05-16	Dispositif d'accouplement
BE862959A (fr)	1978-05-16	Dispositif d'etancheite
FR2456438B1 (fr)	1987-07-31	Circuit de ligne d'abonne au telephone
BE881978A (fr)	1980-06-16	Dispositif d'aeration
FR2513415B1 (fr)	1987-08-28	Dispositif d'affichage electroluminescent
FR2544424B1 (fr)	1991-05-17	Dispositif d'accouplement
BE875251A (fr)	1979-10-02	Dispositif de signalisation lumineuse
BE866800A (fr)	1978-09-01	Dispositif d'aeration pour navire marchand
FR2499929B1 (fr)	1985-07-19	Dispositif stabilisateur d'embarcations
FR2452029B1 (fr)	1987-04-30	Dispositif d'embrayage
BE881361A (fr)	1980-05-16	Dispositif de signalisation d'attente d'appel
FR2480237B1 (fr)	1985-11-15	Dispositif d'etiquetage
FR2312719A1 (fr)	1976-12-24	Dispositif d'accouplement
FR2600350B1 (fr)	1988-09-16	Dispositif de signalisation escamotable
FR2553217B1 (fr)	1986-07-25	Dispositif de signalisation exterieure
BE873539R (fr)	1979-05-16	Dispositif d'etancheite

Legal Events

Date

Code

Title

Description

1990-07-31

RE

Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19900131