FR56818E - Perfectionnements aux bureaux centraux téléphoniques - Google Patents

Perfectionnements aux bureaux centraux téléphoniques

Info

Publication number: FR56818E
Authority: FR; France
Prior art keywords: central telephone; telephone offices; offices; central; telephone
Prior art date: 1939-01-31
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

English (en)

Inventor

Esmond Philip Goodwin Wright

Leslie Baines Haigh

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric Corp

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.)

1939-01-31

Filing date

1947-06-06

Publication date

1952-10-07

1947-06-06 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1952-10-07 Application granted granted Critical

1952-10-07 Publication of FR56818E publication Critical patent/FR56818E/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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
- 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
- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Meter Arrangements (AREA)
Prepayment Telephone Systems (AREA)
Ticket-Dispensing Machines (AREA)

FR56818D 1939-01-31 1947-06-06 Perfectionnements aux bureaux centraux téléphoniques Expired FR56818E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB330839A GB527696A (en)	1939-01-31	1939-01-31	Improvements in or relating to telephone exchange systems

Publications (1)

Publication Number	Publication Date
FR56818E true FR56818E (fr)	1952-10-07

Family

ID=9755859

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
FR948084D Expired FR948084A (fr)	1939-01-31	1946-11-15	Perfectionnements aux bureaux centraux téléphoniques
FR57207D Expired FR57207E (fr)	1939-01-31	1947-06-06	Perfectionnements aux bureaux centraux téléphoniques
FR56818D Expired FR56818E (fr)	1939-01-31	1947-06-06	Perfectionnements aux bureaux centraux téléphoniques
FR57208D Expired FR57208E (fr)	1939-01-31	1947-06-07	Perfectionnements aux bureaux centraux téléphoniques

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
FR948084D Expired FR948084A (fr)	1939-01-31	1946-11-15	Perfectionnements aux bureaux centraux téléphoniques
FR57207D Expired FR57207E (fr)	1939-01-31	1947-06-06	Perfectionnements aux bureaux centraux téléphoniques

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR57208D Expired FR57208E (fr)	1939-01-31	1947-06-07	Perfectionnements aux bureaux centraux téléphoniques

Country Status (4)

Country	Link
BE (4)	BE481458A (fr)
CH (1)	CH229751A (fr)
FR (4)	FR948084A (fr)
GB (2)	GB527696A (fr)

0
- BE BE476045D patent/BE476045A/xx unknown
- BE BE477157D patent/BE477157A/xx unknown
- BE BE477240D patent/BE477240A/xx unknown
- BE BE481458D patent/BE481458A/xx unknown
1939
- 1939-01-31 GB GB330839A patent/GB527696A/en not_active Expired
- 1939-08-15 GB GB2354539A patent/GB536248A/en not_active Expired
- 1939-11-07 CH CH229751D patent/CH229751A/fr unknown
1946
- 1946-11-15 FR FR948084D patent/FR948084A/fr not_active Expired
1947
- 1947-06-06 FR FR57207D patent/FR57207E/fr not_active Expired
- 1947-06-06 FR FR56818D patent/FR56818E/fr not_active Expired
- 1947-06-07 FR FR57208D patent/FR57208E/fr not_active Expired

Also Published As

Publication number	Publication date
BE476045A (fr)
GB527696A (en)	1940-10-15
BE477240A (fr)
CH229751A (fr)	1943-11-15
FR57208E (fr)	1952-12-23
FR57207E (fr)	1952-12-23
GB536248A (en)	1941-05-08
FR948084A (fr)	1949-07-21
BE477157A (fr)
BE481458A (fr)

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