NL278997A - - Google Patents

Info

Publication number: NL278997A
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.)

1961-07-31

Publication of NL278997A publication Critical patent/NL278997A/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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/191—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation

NL278997D 1961-07-31 NL278997A (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES75104A DE1257226B (de)	1961-07-31	1961-07-31	Antenne fuer sehr kurze elektromagnetische Wellen, bestehend aus einem Parabolspiegel und einem hyperboloidfoermigen Hilfsreflektor

Publications (1)

Publication Number	Publication Date
NL278997A true NL278997A (ja)

Family

ID=7505140

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL278997D NL278997A (ja)	1961-07-31
NL62278997A NL143376B (nl)	1961-07-31	1962-05-28	Antenne voor zeer korte elektromagnetische golven.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL62278997A NL143376B (nl)	1961-07-31	1962-05-28	Antenne voor zeer korte elektromagnetische golven.

Country Status (4)

Country	Link
US (1)	US3255455A (ja)
JP (1)	JPS552763B1 (ja)
DE (1)	DE1257226B (ja)
NL (2)	NL143376B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1368820A (fr) *	1963-06-14	1964-08-07	Csf	Aérien de hautes performances
US3414904A (en) *	1966-05-16	1968-12-03	Hughes Aircraft Co	Multiple reflector antenna
US4692771A (en) *	1985-03-28	1987-09-08	Satellite Technology Services, Inc.	Antenna dish reflector with integral azimuth track
US4716416A (en) *	1985-03-28	1987-12-29	Satellite Technology Services, Inc.	Antenna dish reflector with integral declination adjustment
WO2020256093A1 (ja) *	2019-06-20	2020-12-24	日本電気株式会社	アンテナ装置及びその設計方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2032588A (en) *	1931-09-12	1936-03-03	Jr Herman Potts Miller	Communication and detection system
DE861718C (de) *	1939-05-18	1953-01-05	Telefunken Gmbh	Richtstrahlanordnung
US2817837A (en) *	1953-06-16	1957-12-24	Bell Telephone Labor Inc	Microwave horn and paraboloidal reflector antenna system
US3072905A (en) *	1953-07-20	1963-01-08	Wilkes Gilbert	Unsymmetrical antenna feed for conical scanning antenna
US2996716A (en) *	1959-05-27	1961-08-15	Thomas H Witherby	Rotating feed for microwave conical scan

0
- NL NL278997D patent/NL278997A/xx unknown
1961
- 1961-07-31 DE DES75104A patent/DE1257226B/de not_active Withdrawn
1962
- 1962-05-28 NL NL62278997A patent/NL143376B/xx unknown
- 1962-07-24 US US212052A patent/US3255455A/en not_active Expired - Lifetime
1977
- 1977-07-29 JP JP9133977A patent/JPS552763B1/ja active Pending

Also Published As

Publication number	Publication date
NL143376B (nl)	1974-09-16
DE1257226B (de)	1967-12-28
US3255455A (en)	1966-06-07
JPS552763B1 (ja)	1980-01-22

Publication	Publication Date	Title
JPS552763B1 (ja)	1980-01-22
AT224007B (ja)	1962-10-25
BE601393A (ja)
BE493336A (ja)
BE12203A (ja)
BE164003A (ja)
BE396226A (ja)
BE458606A (ja)
BE464928A (ja)
BE469342A (ja)
BE472265A (ja)
BE475425A (ja)
BE475477A (ja)
BE476407A (ja)
BE478349A (ja)
BE482264A (ja)
BE567723A (ja)
BE568568A (ja)
BE583834A (ja)
BE587184A (ja)
BE596839A (ja)
BE597352A (ja)
BE597570A (ja)
BE598861A (ja)
BE599016A (ja)