FR779036A - Dispositif de recherche ou de surveillance applicable en téléphonie automatique - Google Patents

Dispositif de recherche ou de surveillance applicable en téléphonie automatique

Info

Publication number: FR779036A
Authority: FR; France
Prior art keywords: search; surveillance device; device applicable; automatic telephony; telephony
Prior art date: 1933-12-19
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

Other languages

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.)

TELEPHONES SOC IND

Original Assignee

TELEPHONES SOC IND

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.)

1933-12-19

Filing date

1933-12-19

Publication date

1935-03-28

1933-12-19 Application filed by TELEPHONES SOC IND filed Critical TELEPHONES SOC IND

1935-03-28 Application granted granted Critical

1935-03-28 Publication of FR779036A publication Critical patent/FR779036A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)

FR779036D 1933-12-19 1933-12-19 Dispositif de recherche ou de surveillance applicable en téléphonie automatique Expired FR779036A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR779036T		1933-12-19

Publications (1)

Publication Number	Publication Date
FR779036A true FR779036A (fr)	1935-03-28

Family

ID=9202521

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR779036D Expired FR779036A (fr)	1933-12-19	1933-12-19	Dispositif de recherche ou de surveillance applicable en téléphonie automatique

Country Status (1)

Country	Link
FR (1)	FR779036A (fr)

1933
- 1933-12-19 FR FR779036D patent/FR779036A/fr not_active Expired

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