BE778121A - Dispositif de signalisation audible - Google Patents

Dispositif de signalisation audible

Info

Publication number: BE778121A
Authority: BE; Belgium
Prior art keywords: signaling device; audible signaling; audible; signaling
Prior art date: 1971-01-18

Application number

BE778121A

Other languages

English (en)

Inventor

R F Mcalonie

H O Sautter

D C Trimble

Original Assignee

Western Electric Co

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.)

1971-01-18

Filing date

1972-01-17

Publication date

1972-05-16

1972-01-17 Application filed by Western Electric Co filed Critical Western Electric Co

1972-05-16 Publication of BE778121A publication Critical patent/BE778121A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

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

BE778121A 1971-01-18 1972-01-17 Dispositif de signalisation audible BE778121A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US10732971A	1971-01-18	1971-01-18

Publications (1)

Publication Number	Publication Date
BE778121A true BE778121A (fr)	1972-05-16

Family

ID=22316077

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE778121A BE778121A (fr)	1971-01-18	1972-01-17	Dispositif de signalisation audible

Country Status (9)

Country	Link
JP (1)	JPS5738065B1 (fr)
BE (1)	BE778121A (fr)
CA (3)	CA952634A (fr)
CH (1)	CH544473A (fr)
DE (1)	DE2201764C3 (fr)
ES (1)	ES399297A1 (fr)
FR (1)	FR2122468B1 (fr)
GB (1)	GB1372754A (fr)
IT (1)	IT948859B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5076707U (fr) *	1973-11-14	1975-07-03
JPS5180105A (fr) *	1975-01-09	1976-07-13	Nakayo Telecommunications
JPS526005A (en) *	1975-07-04	1977-01-18	Oki Electric Ind Co Ltd	Tone ringer receiving system
CH619332A5 (en) *	1976-02-02	1980-09-15	Intertel Ii Inc	Signal-controlled system for optional blocking or unblocking of a transmission line, and use of the system
JPS5547019A (en) *	1978-09-27	1980-04-02	Sanden Corp	Sound insulation device for electromagnetic clutch
DE3049811C2 (de) *	1979-08-20	1987-04-16	At & T Technologies, Inc., New York, N.Y.	Schaltungsanordnung elektrischer Rufstromsignale in ein akustisches Signal
GB2121648B (en) *	1982-05-24	1986-12-03	Tad Avanti	Ring detector and telephone line monitoring system for telephone answering unit
JPS6216669U (fr) *	1985-07-12	1987-01-31
DE3535868C1 (en) *	1985-10-08	1987-05-21	Texas Instruments Deutschland	Call signal recognition circuitry for telephone subscriber's appts. - has current sensor between rectifier and diode supplying detector sensing frequency
DE4212858A1 (de) *	1992-04-16	1993-10-21	Siemens Ag	Tonrufschaltung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2951910A (en) *	1958-01-14	1960-09-06	North Electric Co	Substation signalling device
US3210479A (en) *	1962-08-30	1965-10-05	Automatic Elect Lab	Voice-frequency selective signalling arrangement
FR1444467A (fr) *	1964-08-25	1966-07-01	Sits Soc It Telecom Siemens	Ensemble d'organes formant une sonnerie à note variable, spécialement pour poste téléphonique d'abonné
US3508012A (en) *	1967-11-24	1970-04-21	Bell Telephone Labor Inc	Compatible tone ringer

1971
- 1971-09-01 CA CA121,898A patent/CA952634A/en not_active Expired
1972
- 1972-01-13 IT IT67107/72A patent/IT948859B/it active
- 1972-01-14 DE DE2201764A patent/DE2201764C3/de not_active Expired
- 1972-01-15 ES ES399297A patent/ES399297A1/es not_active Expired
- 1972-01-17 FR FR7201428A patent/FR2122468B1/fr not_active Expired
- 1972-01-17 BE BE778121A patent/BE778121A/fr not_active IP Right Cessation
- 1972-01-18 JP JP672472A patent/JPS5738065B1/ja active Pending
- 1972-01-18 GB GB230372A patent/GB1372754A/en not_active Expired
- 1972-01-18 CH CH70972A patent/CH544473A/de not_active IP Right Cessation
1973
- 1973-05-28 CA CA172438A patent/CA939090A/en not_active Expired
- 1973-05-28 CA CA172437A patent/CA939089A/en not_active Expired

Also Published As

Publication number	Publication date
JPS5738065B1 (fr)	1982-08-13
FR2122468B1 (fr)	1975-08-29
DE2201764C3 (de)	1981-10-08
CA939090A (en)	1973-12-25
IT948859B (it)	1973-06-11
CH544473A (de)	1973-11-15
JPS4715005A (fr)	1972-08-17
DE2201764B2 (de)	1980-12-18
ES399297A1 (es)	1975-05-01
DE2201764A1 (de)	1972-08-03
FR2122468A1 (fr)	1972-09-01
CA952634A (en)	1974-08-06
GB1372754A (en)	1974-11-06
CA939089A (en)	1973-12-25

Publication	Publication Date	Title
FR2335011A1 (fr)	1977-07-08	Dispositif de signalisation
FR1462571A (fr)	1966-12-16	Dispositif de signalisation
AR194105A1 (es)	1973-06-22	Dispositivo de senalizacion
BE783295A (fr)	1972-11-10	Dispositif de radiographie
BE778121A (fr)	1972-05-16	Dispositif de signalisation audible
AR195575A1 (es)	1973-10-23	Aparato de senalizacion selectiva
BE784519A (fr)	1972-10-02	Dispositif de massage
BE779298A (fr)	1972-08-11	Dispositif de transmission
BE774403A (fr)	1972-04-25	Dispositif de signalisation
BE779175A (fr)	1972-05-30	Dispositif de filage
BE807048A (fr)	1974-05-08	Dispositif de signalisation routiere non reflecteurs ameliores
BE755212A (fr)	1971-02-24	Dispositif de signalisation electromagnetique
BE805929A (fr)	1974-04-11	Dispositif de signalisation routiere reflecteur
BE774592A (fr)	1972-04-28	Dispositif medical
BE801133A (fr)	1973-10-15	Potelet de signalisation
BE785205A (fr)	1972-10-16	Dispositif de poussage
BE793140A (fr)	1973-04-16	Dispositif indicateur
CH544344A (fr)	1973-11-15	Dispositif de calcul
BE767901R (fr)	1971-12-01	Dispositif de
CH519680A (de)	1972-02-29	Signalgerät
BE797949A (fr)	1973-07-31	Dispositif de signalisation
BE821616A (fr)	1975-02-17	Dispositif lumineux de signalisation
CH537627A (fr)	1973-05-31	Dispositif indicateur
RO66438A2 (fr)	1979-01-15	Dispositif de signalisation contre le vol
CH545386A (fr)	1973-12-15	Dispositif de carottage

Legal Events

Date	Code	Title	Description
1992-01-01	RE20	Patent expired	Owner name: WESTERN ELECTRIC CY INC. Effective date: 19920117

Date

Code

Title

Description

1992-01-01

RE20

Patent expired

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19920117