NL54464C - - Google Patents

Info

Publication number: NL54464C
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.)

1938-08-13

Publication of NL54464C publication Critical patent/NL54464C/xx

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)
Exchange Systems With Centralized Control (AREA)
Interface Circuits In Exchanges (AREA)

NL54464D 1938-08-13 NL54464C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB234895X		1938-08-13

Publications (1)

Publication Number	Publication Date
NL54464C true NL54464C (enrdf_load_html_response)

Family

ID=10196442

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL54464D NL54464C (enrdf_load_html_response)	1938-08-13

Country Status (6)

Country	Link
BE (1)	BE435678A (enrdf_load_html_response)
CH (1)	CH234895A (enrdf_load_html_response)
DE (1)	DE892463C (enrdf_load_html_response)
FR (1)	FR858506A (enrdf_load_html_response)
GB (1)	GB517993A (enrdf_load_html_response)
NL (1)	NL54464C (enrdf_load_html_response)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1705917A (en) *	1925-02-19	1929-03-19		Toll-service telephone-exchange system
DE635669C (de) *	1932-11-01	1936-09-28	Friedrich Merk Telefonbau Akt	Einrichtung zur Feststellung der Nummer eines anrufenden Teilnehmers in Selbstanschlussverbindungssystemen
US2193967A (en) *	1933-01-05	1940-03-19	Teletype Corp	Automatic message exchange system

0
- NL NL54464D patent/NL54464C/xx active
- BE BE435678D patent/BE435678A/xx unknown
1938
- 1938-08-13 GB GB23923/38A patent/GB517993A/en not_active Expired
1939
- 1939-07-29 FR FR858506D patent/FR858506A/fr not_active Expired
- 1939-08-12 CH CH234895D patent/CH234895A/de unknown
- 1939-08-13 DE DEI3233D patent/DE892463C/de not_active Expired

Also Published As

Publication number	Publication date
FR858506A (fr)	1940-11-27
CH234895A (de)	1944-10-31
GB517993A (en)	1940-02-14
BE435678A (enrdf_load_html_response)
DE892463C (de)	1953-10-08

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