NL19330C - - Google Patents

Info

Publication number: NL19330C
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.)

1925-10-13

Publication of NL19330C publication Critical patent/NL19330C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

NL19330D 1925-10-13 NL19330C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE259947X		1925-10-13

Publications (1)

Publication Number	Publication Date
NL19330C true NL19330C (cg-RX-API-DMAC7.html)

Family

ID=5966941

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL19330D NL19330C (cg-RX-API-DMAC7.html)	1925-10-13

Country Status (4)

Country	Link
US (1)	US1789104A (cg-RX-API-DMAC7.html)
FR (1)	FR622950A (cg-RX-API-DMAC7.html)
GB (1)	GB259947A (cg-RX-API-DMAC7.html)
NL (1)	NL19330C (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4768614A (en) *	1986-11-28	1988-09-06	Case Eliot M	Unidirectional enhancer for microphones
FR3047382B1 (fr) *	2016-02-02	2020-01-31	Viga Music Tools	Procede et dispositif de prise de son dans un instrument a vent

0
- NL NL19330D patent/NL19330C/xx active
1926
- 1926-10-04 US US139338A patent/US1789104A/en not_active Expired - Lifetime
- 1926-10-05 GB GB24693/26A patent/GB259947A/en not_active Expired
- 1926-10-12 FR FR622950D patent/FR622950A/fr not_active Expired

Also Published As

Publication number	Publication date
FR622950A (fr)	1927-06-09
US1789104A (en)	1931-01-13
GB259947A (en)	1927-02-03

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