NL177869B - WAVE PIPE SLOT ANTENNA. - Google Patents

WAVE PIPE SLOT ANTENNA.

Info

Publication number: NL177869B
Authority: NL; Netherlands
Prior art keywords: slot antenna; wave pipe; pipe slot; wave; antenna
Prior art date: 1973-05-25

Application number

NLAANVRAGE7407043,A

Other languages

Dutch (nl)

Other versions

NL7407043A (en

NL177869C (en

Original Assignee

Hazeltine Corp

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.)

1973-05-25

Filing date

1974-05-24

Publication date

1985-07-01

1974-05-24 Application filed by Hazeltine Corp filed Critical Hazeltine Corp

1974-11-27 Publication of NL7407043A publication Critical patent/NL7407043A/xx

1985-07-01 Publication of NL177869B publication Critical patent/NL177869B/en

1985-12-02 Application granted granted Critical

1985-12-02 Publication of NL177869C publication Critical patent/NL177869C/en

Classifications

- 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
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array

NLAANVRAGE7407043,A 1973-05-25 1974-05-24 WAVE PIPE SLOT ANTENNA. NL177869C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US364182A US3903524A (en)	1973-05-25	1973-05-25	Antenna system using variable phase pattern synthesis

Publications (3)

Publication Number	Publication Date
NL7407043A NL7407043A (en)	1974-11-27
NL177869B true NL177869B (en)	1985-07-01
NL177869C NL177869C (en)	1985-12-02

Family

ID=23433406

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7407043,A NL177869C (en)	1973-05-25	1974-05-24	WAVE PIPE SLOT ANTENNA.

Country Status (14)

Country	Link
US (1)	US3903524A (en)
JP (1)	JPS5542526B2 (en)
BR (1)	BR7404223D0 (en)
CA (1)	CA1021055A (en)
CS (1)	CS229603B2 (en)
DD (1)	DD113134A5 (en)
DE (1)	DE2423899C2 (en)
FR (1)	FR2231126B1 (en)
GB (1)	GB1412569A (en)
IL (1)	IL44560A (en)
IT (1)	IT1010297B (en)
NL (1)	NL177869C (en)
PL (1)	PL94571B1 (en)
SE (1)	SE389770B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4270129A (en) *	1979-01-30	1981-05-26	Sperry Corporation	Apparatus and method for realizing preselected free space antenna patterns
DE3102110A1 (en) *	1981-01-23	1982-08-19	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	PHASE CONTROLLED GROUP ANTENNA
GB2111310B (en) *	1981-11-27	1985-07-03	Marconi Co Ltd	Antenna array
GB2212984B (en) *	1987-11-30	1991-09-04	Plessey Telecomm	Distributed antenna system
US5546095A (en) *	1994-06-02	1996-08-13	Lopez; Alfred R.	Non-imaging glideslope antenna systems
US6512934B2 (en)	1997-06-02	2003-01-28	Ntt Mobile Communications Network, Inc.	Adaptive array antenna
JP3332329B2 (en) *	1997-06-02	2002-10-07	株式会社エヌ・ティ・ティ・ドコモ	Adaptive array antenna device
GB0005979D0 (en) *	2000-03-14	2001-03-07	Bae Sys Defence Sys Ltd	An active phased array antenna assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2730717A (en) *	1951-04-18	1956-01-10	Katchky Max	Directional wave antenna for marine radar use
US2878472A (en) *	1954-12-14	1959-03-17	Hughes Aircraft Co	High efficiency broadband antenna array
US3182325A (en) *	1960-09-21	1965-05-04	Gen Electric	Array pattern modification
US2981944A (en) *	1960-12-06	1961-04-25	Gen Precision Inc	Microwave navigation system
US3259902A (en) *	1961-10-04	1966-07-05	Dorne And Margolin Inc	Antenna with electrically variable reflector
US3258774A (en) *	1963-12-30	1966-06-28	Gen Electric	Series-fed phased array
US3526898A (en) *	1967-04-03	1970-09-01	Raytheon Co	Antenna with translational and rotational compensation
US3604010A (en) *	1969-01-30	1971-09-07	Singer General Precision	Antenna array system for generating shaped beams for guidance during aircraft landing
JPS524812Y2 (en) *	1971-01-26	1977-02-01

1973
- 1973-05-25 US US364182A patent/US3903524A/en not_active Expired - Lifetime
1974
- 1974-02-21 GB GB784674A patent/GB1412569A/en not_active Expired
- 1974-02-21 CA CA193,191A patent/CA1021055A/en not_active Expired
- 1974-03-06 SE SE7402998A patent/SE389770B/en not_active IP Right Cessation
- 1974-03-29 FR FR7411385A patent/FR2231126B1/fr not_active Expired
- 1974-04-03 IL IL44560A patent/IL44560A/en unknown
- 1974-04-30 IT IT22143/74A patent/IT1010297B/en active
- 1974-05-13 JP JP5316774A patent/JPS5542526B2/ja not_active Expired
- 1974-05-16 DE DE2423899A patent/DE2423899C2/en not_active Expired
- 1974-05-21 PL PL1974171299A patent/PL94571B1/en unknown
- 1974-05-22 CS CS743662A patent/CS229603B2/en unknown
- 1974-05-23 BR BR4223/74A patent/BR7404223D0/en unknown
- 1974-05-24 NL NLAANVRAGE7407043,A patent/NL177869C/en not_active IP Right Cessation
- 1974-05-27 DD DD178778A patent/DD113134A5/en unknown

Also Published As

Publication number	Publication date
DD113134A5 (en)	1975-05-12
CA1021055A (en)	1977-11-15
US3903524A (en)	1975-09-02
AU6580574A (en)	1975-08-21
GB1412569A (en)	1975-11-05
BR7404223D0 (en)	1975-01-21
DE2423899A1 (en)	1974-12-12
SE389770B (en)	1976-11-15
IT1010297B (en)	1977-01-10
NL7407043A (en)	1974-11-27
IL44560A (en)	1976-09-30
JPS5049965A (en)	1975-05-06
FR2231126B1 (en)	1980-05-30
PL94571B1 (en)	1977-08-31
JPS5542526B2 (en)	1980-10-31
IL44560A0 (en)	1974-06-30
CS229603B2 (en)	1984-06-18
DE2423899C2 (en)	1986-10-09
NL177869C (en)	1985-12-02
FR2231126A1 (en)	1974-12-20

Publication	Publication Date	Title
NL7411155A (en)	1975-04-08	R WAVE DETECTOR.
DK131541B (en)	1975-08-04	Prostate rectoscope.
NL7501367A (en)	1975-08-08	COMPACT ANTENNA SYSTEM.
NL7502645A (en)	1975-09-23	ANTENNA SYSTEM.
SE389769B (en)	1976-11-15	ANTENNA SYSTEM
NL169368C (en)	1982-07-01	FREQUENCY METER.
NL168086C (en)	1982-02-16	HORN ANTENNA.
NO136331C (en)	1977-08-24	CURVED BENNAGLE.
SE394542B (en)	1977-06-27	ANTENNA SYSTEM
NL7613553A (en)	1977-06-13	FLAT RADAR ANTENNA.
NL7512398A (en)	1976-05-07	DOPPLER ANTENNA SYSTEM.
NL7414108A (en)	1975-05-07	RADAR SYSTEM.
NL177869C (en)	1985-12-02	WAVE PIPE SLOT ANTENNA.
NO138072C (en)	1978-06-21	BROADBAND SPIRAL ANTENNA.
NL7415708A (en)	1975-06-03	RECEIVER.
NL162289B (en)	1979-11-15	RADIO RECEIVER.
DK137815B (en)	1978-05-08	Wave tubes.
NL7408847A (en)	1975-02-03	MICROWAVE DEVICE.
NL7413498A (en)	1975-04-15	RADIO RECEIVER.
SE389744B (en)	1976-11-15	ANTENNA SYSTEM
NL7502429A (en)	1975-09-09	LOGARITHMIC-PERIODIC ANTENNA.
CH553487A (en)	1974-08-30	LOGARITHMIC - PERIODIC ANTENNA.
NL166335C (en)	1981-07-15	RADAR RECEIVER.
NO137067C (en)	1977-12-21	ANTENNA.
NL7514831A (en)	1976-06-25	ROTATION SYMMETRIC CASSEGRAIN ANTENNA.

Legal Events

Date	Code	Title
1980-11-25	BA	A request for search or an international-type search has been filed
1981-03-25	BB	A search report has been drawn up
1981-07-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-06-16	V4	Discontinued because of reaching the maximum lifetime of a patent