NL38496C - - Google Patents

Info

Publication number: NL38496C
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.)

1932-07-06

Publication of NL38496C publication Critical patent/NL38496C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave

NL38496D 1932-07-06 NL38496C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE408837X		1932-07-06

Publications (1)

Publication Number	Publication Date
NL38496C true NL38496C (enrdf_load_html_response)

Family

ID=6422339

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL38496D NL38496C (enrdf_load_html_response)	1932-07-06

Country Status (4)

Country	Link
US (1)	US2054895A (enrdf_load_html_response)
FR (1)	FR757299A (enrdf_load_html_response)
GB (1)	GB408837A (enrdf_load_html_response)
NL (1)	NL38496C (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL72107C (enrdf_load_html_response) *	1940-02-29
US2438343A (en) *	1942-07-09	1948-03-23	Westinghouse Electric Corp	High-frequency radiation system
US2702858A (en) *	1945-09-19	1955-02-22	Foster John Stuart	Rear paraboloid feed for round guide
US3009154A (en) *	1957-09-05	1961-11-14	Philco Corp	Directive antenna system

0
- NL NL38496D patent/NL38496C/xx active
1933
- 1933-06-21 FR FR757299D patent/FR757299A/fr not_active Expired
- 1933-06-26 US US677733A patent/US2054895A/en not_active Expired - Lifetime
- 1933-06-27 GB GB18295/33A patent/GB408837A/en not_active Expired

Also Published As

Publication number	Publication date
FR757299A (fr)	1933-12-22
US2054895A (en)	1936-09-22
GB408837A (en)	1934-04-19

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