NL68476C - - Google Patents

Info

Publication number: NL68476C
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.)

1938-11-16

Publication of NL68476C publication Critical patent/NL68476C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Exchange Systems With Centralized Control (AREA)
Interface Circuits In Exchanges (AREA)

NL68476D 1938-11-16 NL68476C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US240698A US2201573A (en)	1938-11-16	1938-11-16	Telephone system

Publications (1)

Publication Number	Publication Date
NL68476C true NL68476C (enrdf_load_html_response)

Family

ID=22907570

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL68476D NL68476C (enrdf_load_html_response)	1938-11-16

Country Status (5)

Country	Link
US (1)	US2201573A (enrdf_load_html_response)
CH (1)	CH277164A (enrdf_load_html_response)
FR (1)	FR951376A (enrdf_load_html_response)
GB (1)	GB636920A (enrdf_load_html_response)
NL (1)	NL68476C (enrdf_load_html_response)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2504274A (en) *	1945-04-16	1950-04-18	Ericsson Telefon Ab L M	System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2574903A (en) *	1948-04-08	1951-11-13	Kellogg Switchboard & Supply	Translator for shifted lines and parties
US2674657A (en) *	1949-04-04	1954-04-06	Itt	Primary-secondary-spread crossbar telephone system
BE522048A (enrdf_load_html_response) *	1949-04-04
US2680781A (en) *	1949-11-08	1954-06-08	Bell Telephone Labor Inc	Translating arrangement
US2710893A (en) *	1951-03-27	1955-06-14	Itt	Automatic telephone system and translator therefor
FR2958209B1 (fr)	2010-04-01	2012-07-20	Oberthur Technologies	Document de valeur, a couches de protection respectivement mate et brillante

0
- NL NL68476D patent/NL68476C/xx active
1938
- 1938-11-16 US US240698A patent/US2201573A/en not_active Expired - Lifetime
1947
- 1947-08-04 CH CH277164D patent/CH277164A/fr unknown
- 1947-08-06 FR FR951376D patent/FR951376A/fr not_active Expired
- 1947-08-07 GB GB21768/47A patent/GB636920A/en not_active Expired

Also Published As

Publication number	Publication date
GB636920A (en)	1950-05-10
FR951376A (fr)	1949-10-24
US2201573A (en)	1940-05-21
CH277164A (fr)	1951-08-15

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