NL70955C - - Google Patents

Info

Publication number: NL70955C
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.)

1940-01-05

Publication of NL70955C publication Critical patent/NL70955C/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)
Interface Circuits In Exchanges (AREA)

NL70955D 1940-01-05 NL70955C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US312468A US2277600A (en)	1940-01-05	1940-01-05	Telephone system

Publications (1)

Publication Number	Publication Date
NL70955C true NL70955C (enrdf_load_stackoverflow)

Family

ID=23211593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL70955D NL70955C (enrdf_load_stackoverflow)	1940-01-05

Country Status (4)

Country	Link
US (2)	US2277600A (enrdf_load_stackoverflow)
FR (1)	FR959818A (enrdf_load_stackoverflow)
GB (1)	GB644112A (enrdf_load_stackoverflow)
NL (1)	NL70955C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3019730A (en) *	1947-01-17	1962-02-06	Wilson R Maltby	Induction mine firing and timing system
CN110830073B (zh) *	2018-08-07	2022-06-14	中兴通讯股份有限公司	耳机线复用方法及装置、移动终端、存储介质

0
- NL NL70955D patent/NL70955C/xx active
- US US22476D patent/USRE22476E/en not_active Expired
- FR FR959818D patent/FR959818A/fr not_active Expired
1940
- 1940-01-05 US US312468A patent/US2277600A/en not_active Expired - Lifetime
1948
- 1948-02-20 GB GB5097/48A patent/GB644112A/en not_active Expired

Also Published As

Publication number	Publication date
USRE22476E (en)	1944-05-09
US2277600A (en)	1942-03-24
GB644112A (en)	1950-10-04
FR959818A (enrdf_load_stackoverflow)	1950-04-06

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