BE790277A - Detecteur de parole pour concentrateur de voies telephoniques - Google Patents

Detecteur de parole pour concentrateur de voies telephoniques

Info

Publication number: BE790277A
Authority: BE; Belgium
Prior art keywords: concentrator; speech detector; telephone; track; telephone track
Prior art date: 1971-10-29

Application number

Other languages

Original Assignee

Cit Alcatel

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.)

1971-10-29

Publication date

1973-04-19

1973-04-19 Publication of BE790277A publication Critical patent/BE790277A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
- H04J3/175—Speech activity or inactivity detectors

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Mobile Radio Communication Systems (AREA)

BE790277D 1971-10-29 Detecteur de parole pour concentrateur de voies telephoniques BE790277A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7139022A FR2158720A5 (fr)	1971-10-29	1971-10-29

Publications (1)

Publication Number	Publication Date
BE790277A true BE790277A (fr)	1973-04-19

Family

ID=9085111

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE790277D BE790277A (fr)	1971-10-29		Detecteur de parole pour concentrateur de voies telephoniques

Country Status (8)

Country	Link
BE (1)	BE790277A (fr)
CA (1)	CA999072A (fr)
FR (1)	FR2158720A5 (fr)
GB (1)	GB1409917A (fr)
IT (1)	IT970055B (fr)
LU (1)	LU66340A1 (fr)
NL (1)	NL162532C (fr)
SE (1)	SE386792B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2485839B1 (fr) *	1980-06-27	1985-09-06	Cit Alcatel	Procede de detection de parole dans un signal de circuit telephonique et detecteur de parole le mettant en oeuvre
AR241336A1 (es) *	1987-09-30	1992-05-29	Siemens Ag	Disposicion para determinar la frecuencia de una señal simetrica periodica muestreada.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1273918A (fr) *	1960-09-05	1961-10-20		Détecteur de parole
US3238303A (en) *	1962-09-11	1966-03-01	Ibm	Wave analyzing system

0
- BE BE790277D patent/BE790277A/fr not_active IP Right Cessation
1971
- 1971-10-29 FR FR7139022A patent/FR2158720A5/fr not_active Expired
1972
- 1972-10-23 LU LU66340D patent/LU66340A1/xx unknown
- 1972-10-27 SE SE1391972A patent/SE386792B/xx unknown
- 1972-10-27 CA CA155,107A patent/CA999072A/fr not_active Expired
- 1972-10-27 GB GB4964672A patent/GB1409917A/en not_active Expired
- 1972-10-30 IT IT3109472A patent/IT970055B/it active
- 1972-10-30 NL NL7214648A patent/NL162532C/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2158720A5 (fr)	1973-06-15
CA999072A (fr)	1976-10-26
NL162532B (nl)	1979-12-17
NL162532C (nl)	1980-05-16
IT970055B (it)	1974-04-10
NL7214648A (fr)	1973-05-02
SE386792B (sv)	1976-08-16
GB1409917A (en)	1975-10-15
DE2252816B2 (de)	1976-01-29
LU66340A1 (fr)	1973-05-03
DE2252816A1 (de)	1973-05-03

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Legal Events

Date	Code	Title	Description
1992-01-01	RE20	Patent expired	Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT Effective date: 19921019

Date

Code

Title

Description

1992-01-01

RE20

Patent expired

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19921019