NL75429C - - Google Patents

Info

Publication number: NL75429C
Authority: NL; Netherlands

Application number

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.)

1946-03-09

Publication of NL75429C publication Critical patent/NL75429C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/62—Keyboard equipment
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Telephonic Communication Services (AREA)
Monitoring And Testing Of Transmission In General (AREA)
Selective Calling Equipment (AREA)
Meter Arrangements (AREA)
Exchange Systems With Centralized Control (AREA)

NL75429D 1946-03-09 NL75429C (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB285306X		1946-03-09

Publications (1)

Publication Number	Publication Date
NL75429C true NL75429C (de)

Family

ID=10277091

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL75429D NL75429C (de)	1946-03-09
NL72119D NL72119C (de)	1946-03-09

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL72119D NL72119C (de)	1946-03-09

Country Status (7)

Country	Link
US (1)	US2633501A (de)
BE (4)	BE476048A (de)
CH (4)	CH285306A (de)
ES (1)	ES179632A1 (de)
FR (4)	FR57780E (de)
GB (4)	GB642541A (de)
NL (2)	NL72119C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1013410B (de) *	1954-02-03	1957-08-08	Ver Leichtmetallwerke Gmbh	Eckverbindung fuer Hohlprofile, insbesondere fuer Fenster- und Tuerrahmen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1883589A (en) *	1930-12-18	1932-10-18	Associated Electric Lab Inc	Telephone system
US2382893A (en) *	1944-08-18	1945-08-14	Bell Telephone Labor Inc	Telephone system

0
- BE BE476939D patent/BE476939A/xx unknown
- BE BE476759D patent/BE476759A/xx unknown
- BE BE480488D patent/BE480488A/xx unknown
- BE BE476048D patent/BE476048A/xx unknown
- NL NL75429D patent/NL75429C/xx active
- FR FR962115D patent/FR962115A/fr not_active Expired
- NL NL72119D patent/NL72119C/xx active
1946
- 1946-03-09 GB GB9407/47A patent/GB642541A/en not_active Expired
- 1946-03-09 GB GB7405/46A patent/GB642527A/en not_active Expired
- 1946-03-09 GB GB9408/47A patent/GB642542A/en not_active Expired
- 1946-03-09 GB GB7046/46A patent/GB642528A/en not_active Expired
1947
- 1947-08-06 US US766636A patent/US2633501A/en not_active Expired - Lifetime
- 1947-08-12 CH CH285306D patent/CH285306A/fr unknown
- 1947-08-12 CH CH291943D patent/CH291943A/fr unknown
- 1947-08-16 CH CH289546D patent/CH289546A/fr unknown
- 1947-09-08 ES ES179632A patent/ES179632A1/es not_active Expired
- 1947-10-11 FR FR57780D patent/FR57780E/fr not_active Expired
- 1947-10-17 CH CH296198D patent/CH296198A/fr unknown
- 1947-10-17 FR FR66206D patent/FR66206E/fr not_active Expired
- 1947-10-23 FR FR66301D patent/FR66301E/fr not_active Expired

Also Published As

Publication number	Publication date
CH289546A (fr)	1953-03-15
FR66301E (fr)	1956-06-29
BE480488A (de)
GB642541A (en)	1950-09-06
GB642528A (en)	1950-09-06
BE476048A (de)
BE476939A (de)
US2633501A (en)	1953-03-31
ES179632A1 (es)	1947-10-16
FR66206E (fr)	1956-06-05
FR57780E (fr)	1953-09-09
CH296198A (fr)	1954-01-31
BE476759A (de)
NL72119C (de)
GB642527A (en)	1950-09-06
GB642542A (en)	1950-09-06
CH285306A (fr)	1952-08-31
CH291943A (fr)	1953-07-15
FR962115A (de)	1950-06-02

Publication	Publication Date	Title
FR962099A (de)	1950-05-31
FR957197A (de)	1950-02-16
FR955268A (de)	1950-01-11
FR965549A (de)	1950-09-15
FR958780A (de)	1950-03-17
FR962115A (de)	1950-06-02
AT165703B (de)	1950-04-11
FR957692A (de)	1950-02-23
AT189954B (de)
BE375336A (de)
BE464883A (de)
BE464335A (de)
NL60679C (de)
NL71104C (de)	1952-10-05
NL82907C (de)
BE483449A (de)
BE477840A (de)
BE476660A (de)
BE474955A (de)
BE473767A (de)	1947-06-10
BE473028A (de)
BE464439A (de)
BE472178A (de)
BE375456A (de)
BE472091A (de)