EP0310414A3 - Lens/polarizer/radome - Google Patents

Lens/polarizer/radome Download PDF

Info

Publication number: EP0310414A3
Authority: EP; European Patent Office
Prior art keywords: radome; polarizer; lens
Prior art date: 1987-10-02
Legal status (The legal status 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 status listed.): Granted

Application number

EP88309094A

Other versions

EP0310414B1 (en

EP0310414A2 (en

Inventor

Keith C. Smith

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Raytheon Co

Original Assignee

Raytheon Co

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.)

1987-10-02

Filing date

1988-09-30

Publication date

1990-04-25

1988-09-30 Application filed by Raytheon Co filed Critical Raytheon Co

1989-04-05 Publication of EP0310414A2 publication Critical patent/EP0310414A2/en

1990-04-25 Publication of EP0310414A3 publication Critical patent/EP0310414A3/en

1994-06-01 Application granted granted Critical

1994-06-01 Publication of EP0310414B1 publication Critical patent/EP0310414B1/en

2008-09-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens

EP19880309094 1987-10-02 1988-09-30 Lens/polarizer/radome Expired - Lifetime EP0310414B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10377887A	1987-10-02	1987-10-02
US103778		1987-10-02

Publications (3)

Publication Number	Publication Date
EP0310414A2 EP0310414A2 (en)	1989-04-05
EP0310414A3 true EP0310414A3 (en)	1990-04-25
EP0310414B1 EP0310414B1 (en)	1994-06-01

Family

ID=22296996

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19880309094 Expired - Lifetime EP0310414B1 (en)	1987-10-02	1988-09-30	Lens/polarizer/radome

Country Status (4)

Country	Link
EP (1)	EP0310414B1 (en)
AU (1)	AU618281B2 (en)
CA (1)	CA1304155C (en)
DE (1)	DE3889834T2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2729791B1 (en) *	1988-06-14	1997-05-16	Thomson Csf	DEVICE FOR REDUCING THE RADOME EFFECT WITH A BROADBAND ANTENNA WITH SURFACE RADIATION, AND REDUCING THE EQUIVALENT REFLECTING SURFACE OF THE ASSEMBLY
US5017939A (en) *	1989-09-26	1991-05-21	Hughes Aircraft Company	Two layer matching dielectrics for radomes and lenses for wide angles of incidence
US5086301A (en) *	1990-01-10	1992-02-04	Intelsat	Polarization converter application for accessing linearly polarized satellites with single- or dual-circularly polarized earth station antennas
IT1284301B1 (en) *	1996-03-13	1998-05-18	Space Engineering Spa	SINGLE OR DOUBLE REFLECTOR ANTENNA, SHAPED BEAMS, LINEAR POLARIZATION.
DE19714578C2 (en) *	1997-04-09	1999-02-18	Bosch Gmbh Robert	Radar system, especially for automotive applications
US20100074315A1 (en) *	2008-09-24	2010-03-25	Quellan, Inc.	Noise sampling detectors
CN107706526B (en) *	2017-10-19	2024-04-05	西南交通大学	High-power embedded polarization conversion radome
CN112234360B (en) *	2020-09-17	2022-05-13	南京理工大学	Dual-polarized transmission surface for controlling electrical characteristics by terminating filter circuit and design method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3611392A (en) *	1968-03-25	1971-10-05	Post Office	Primary feed for dish reflector having dielectric lens to reduce side lobes
FR2373891A1 (en) *	1976-12-08	1978-07-07	Gen Dynamics Corp	ELECTRONIC ANTENNA FOR SENDING OR RECEIVING A SIGNAL OF A SPECIFIED WAVELENGTH
EP0044502A1 (en) *	1980-07-17	1982-01-27	Siemens Aktiengesellschaft	Polarising device for conversion of linearly polarised into circularly polarised electromagnetic waves, mounted in front of a parabolic reflector antenna
US4342034A (en) *	1980-11-24	1982-07-27	Raytheon Company	Radio frequency antenna with polarization changer and filter
EP0131328A1 (en) *	1983-07-01	1985-01-16	Rtc-Compelec	Transmit-receive device for a presence-detecting radar, and method of making it
EP0280379A2 (en) *	1987-02-27	1988-08-31	Yoshihiko Sugio	Dielectric or magnetic medium loaded antenna

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4187507A (en) *	1978-10-13	1980-02-05	Sperry Rand Corporation	Multiple beam antenna array
US4220957A (en) *	1979-06-01	1980-09-02	General Electric Company	Dual frequency horn antenna system
US4698639A (en) *	1986-01-14	1987-10-06	The Singer Company	Circularly polarized leaky waveguide doppler antenna

1988
- 1988-09-28 CA CA000578627A patent/CA1304155C/en not_active Expired - Fee Related
- 1988-09-29 AU AU22923/88A patent/AU618281B2/en not_active Ceased
- 1988-09-30 DE DE19883889834 patent/DE3889834T2/en not_active Expired - Fee Related
- 1988-09-30 EP EP19880309094 patent/EP0310414B1/en not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3611392A (en) *	1968-03-25	1971-10-05	Post Office	Primary feed for dish reflector having dielectric lens to reduce side lobes
FR2373891A1 (en) *	1976-12-08	1978-07-07	Gen Dynamics Corp	ELECTRONIC ANTENNA FOR SENDING OR RECEIVING A SIGNAL OF A SPECIFIED WAVELENGTH
EP0044502A1 (en) *	1980-07-17	1982-01-27	Siemens Aktiengesellschaft	Polarising device for conversion of linearly polarised into circularly polarised electromagnetic waves, mounted in front of a parabolic reflector antenna
US4342034A (en) *	1980-11-24	1982-07-27	Raytheon Company	Radio frequency antenna with polarization changer and filter
EP0131328A1 (en) *	1983-07-01	1985-01-16	Rtc-Compelec	Transmit-receive device for a presence-detecting radar, and method of making it
EP0280379A2 (en) *	1987-02-27	1988-08-31	Yoshihiko Sugio	Dielectric or magnetic medium loaded antenna

Also Published As

Publication number	Publication date
CA1304155C (en)	1992-06-23
EP0310414B1 (en)	1994-06-01
EP0310414A2 (en)	1989-04-05
DE3889834T2 (en)	1995-01-05
DE3889834D1 (en)	1994-07-07
AU618281B2 (en)	1991-12-19
AU2292388A (en)	1989-04-06

Legal Events

Date	Code	Title	Description
1989-02-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-04-05	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1990-03-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-04-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1990-10-24	17P	Request for examination filed	Effective date: 19900829
1992-11-11	17Q	First examination report despatched	Effective date: 19920924
1994-04-15	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-06-01	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1994-07-07	REF	Corresponds to:	Ref document number: 3889834 Country of ref document: DE Date of ref document: 19940707
1994-09-30	ET	Fr: translation filed
1995-04-01	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-04-01	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-05-24	26N	No opposition filed
2001-08-13	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20010813 Year of fee payment: 14
2001-08-17	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20010817 Year of fee payment: 14
2001-08-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20010820 Year of fee payment: 14
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020930
2003-04-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030401
2003-05-21	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20020930
2003-06-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030603
2003-07-11	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

Publication	Publication Date	Title
EP0407830A3 (en)	1991-09-11	Polarizer
IL83179A0 (en)	1987-12-31	Variable lens
GB2203895B (en)	1990-05-09	Light receiving element
GB8706524D0 (en)	1987-04-23	Lens
GB8713699D0 (en)	1987-07-15	Optical receiver circuit
HK10094A (en)	1994-02-09	Dual lens camera
GB8815966D0 (en)	1988-08-10	Optical elements
GB8803525D0 (en)	1988-03-16	Optical aid
EP0310414A3 (en)	1990-04-25	Lens/polarizer/radome
GB2204143B (en)	1990-11-14	Spectacle structure
GB8730224D0 (en)	1988-02-03	Optical phase-diversity receiver
HK85493A (en)	1993-08-27	Dual lens camera
GB8709336D0 (en)	1987-05-28	Optical devices
HK130395A (en)	1995-08-24	Zoom lens
GB8828111D0 (en)	1989-01-05	Optical aid
GB2217607B (en)	1991-12-11	Lens
GB8711086D0 (en)	1987-06-17	Spectacles
GB8728074D0 (en)	1988-01-06	Slotted antenna
GB8602407D0 (en)	1986-03-05	Lens
GB8722338D0 (en)	1987-10-28	Optical devices
GB8722014D0 (en)	1987-10-28	Optical devices
GB8723902D0 (en)	1987-11-18	Optical devices
GB2199156B (en)	1991-04-24	Lens manufacture
GB8722364D0 (en)	1987-10-28	Intro-ocular lens
RU1821853C (en)	1993-06-15	Antenna polarizer