BE470391A - - Google Patents

Info

Publication number: BE470391A
Authority: BE; Belgium

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.)

1946-01-22

Publication of BE470391A publication Critical patent/BE470391A/xx

Classifications

- 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
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism

BE470391D 1946-01-22 BE470391A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US642723A US2736894A (en)	1946-01-22	1946-01-22	Directive antenna systems

Publications (1)

Publication Number	Publication Date
BE470391A true BE470391A (de)

Family

ID=24577731

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE470391D BE470391A (de)	1946-01-22

Country Status (8)

Country	Link
US (1)	US2736894A (de)
BE (1)	BE470391A (de)
CH (1)	CH279123A (de)
DE (1)	DE830361C (de)
ES (1)	ES176675A1 (de)
FR (1)	FR937854A (de)
GB (1)	GB650767A (de)
NL (1)	NL72078C (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE973175C (de) *	1949-02-20	1960-01-07	Siemens Ag	Wanderfeldroehre mit Antenne
US3071770A (en) *	1953-07-20	1963-01-01	Wilkes Gilbert	Parabolic dish antenna with aperture blocking correction
US3102263A (en) *	1956-09-10	1963-08-27	Lab For Electronics Inc	Doppler radar system
US3146451A (en) *	1956-10-29	1964-08-25	Lab For Electronics Inc	Dielectric lens giving perfect focal points at selected distance off-axis
US2977464A (en) *	1959-04-23	1961-03-28	Carl T Engberg	Multiple antenna using passive reflectors
US3220006A (en) *	1961-06-05	1965-11-23	Bazar	Ground plane vhf antenna comprising blade - type dipole configuration obtained by reflecting monopole in ground plane
US3167776A (en) *	1962-05-31	1965-01-26	Sylvania Electric Prod	Dielectric foam antenna
US3299430A (en) *	1965-07-26	1967-01-17	Rohde & Schwarz	Parallel dipole array supported on insulator having a low dielectric constant
US3649934A (en) *	1970-07-17	1972-03-14	Us Navy	Quasi-optical low-pass absorption type filtering system
US4194209A (en) *	1977-12-30	1980-03-18	The United States Of America As Represented By The Secretary Of The Air Force	Broadband waveguide lens antenna and method of fabrication
US4224626A (en) *	1978-10-10	1980-09-23	The United States Of America As Represented By The Secretary Of The Navy	Ellipticized lens providing balanced astigmatism
US4591864A (en) *	1983-06-13	1986-05-27	The United States Of America As Represented By The Secretary Of The Navy	Frequency independent twisted wave front constant beamwidth lens antenna
DE3337049A1 (de) *	1983-10-12	1985-05-09	Gesellschaft für Schwerionenforschung mbH, 6100 Darmstadt	Feststoff mit besonderen elektrischen eigenschaften und verfahren zur herstellung eines solchen feststoffes
US4787722A (en) *	1986-04-10	1988-11-29	Fresnel Technologies, Inc.	Fresnel lens with aspiteric grooves
US5675349A (en) *	1996-02-12	1997-10-07	Boeing North American, Inc.	Durable, lightweight, radar lens antenna
US7187505B2 (en) *	2002-10-07	2007-03-06	Fresnel Technologies, Inc.	Imaging lens for infrared cameras
US6948831B1 (en)	2004-01-20	2005-09-27	Shams Naqvi	Recessed light assembly adapted for use with motion detector
US8009113B2 (en) *	2007-01-25	2011-08-30	Cushcraft Corporation	System and method for focusing antenna signal transmission
US20110299813A1 (en) *	2010-06-04	2011-12-08	Southwell William H	High speed optical interconnects
EP2993958B1 (de)	2014-09-04	2017-11-22	Georg Fischer GmbH	Rinneninduktionsofen
DE102017219372A1 (de) *	2017-10-27	2019-05-02	Robert Bosch Gmbh	Radarsensor mit mehreren Hauptstrahlrichtungen

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1693021A (en) *		1928-11-27		Diagnostic instrument
DE616601C (de) *	1928-10-20	1935-08-01	Lorenz Akt Ges C	Verfahren zur Rundfunkuebertragung mittels ultrakurzer Wellen
FR726531A (fr) *	1931-01-21	1932-05-30	Materiel Telephonique	Perfectionnements aux systèmes électriques à haute fréquence, tels que les systèmes de signalisation à ondes très courtes
US1906546A (en) *	1931-07-10	1933-05-02	Int Communications Lab Inc	Echelon grating for reflecting ultra short waves
US1990649A (en) *	1931-12-17	1935-02-12	Telefunken Gmbh	Transmitting or receiving arrangement for concentrated electric waves
US2078302A (en) *	1933-08-31	1937-04-27	Rca Corp	Modulating system for short waves
US2129712A (en) *	1933-12-09	1938-09-13	American Telephone & Telegraph	Transmission of energy effects by guided electric waves in a dielectric medium
US2206923A (en) *	1934-09-12	1940-07-09	American Telephone & Telegraph	Short wave radio system
NL45527C (de) *	1935-12-16
US2206683A (en) *	1936-05-16	1940-07-02	Rca Corp	Ultra short wave attenuator and directive device
NL47992C (de) *	1936-09-11
US2129669A (en) *	1937-03-30	1938-09-13	Bell Telephone Labor Inc	Guided wave transmission
US2290665A (en) *	1937-05-06	1942-07-21	Walter A Arnesen	Diagnostic instrument
US2283935A (en) *	1938-04-29	1942-05-26	Bell Telephone Labor Inc	Transmission, radiation, and reception of electromagnetic waves
US2298272A (en) *	1938-09-19	1942-10-13	Research Corp	Electromagnetic horn
US2255042A (en) *	1939-01-03	1941-09-09	Research Corp	Electromagnetic horn
US2240941A (en) *	1939-06-20	1941-05-06	Bell Telephone Labor Inc	Oscillation source of the spark discharge gap type
US2273447A (en) *	1939-09-07	1942-02-17	Bell Telephone Labor Inc	Unidirective energy radiating system
US2369808A (en) *	1940-06-08	1945-02-20	American Telephone & Telegraph	Short-wave radio transmission
US2283568A (en) *	1940-06-18	1942-05-19	Bell Telephone Labor Inc	Ultra high frequency system
US2398095A (en) *	1940-08-31	1946-04-09	Rca Corp	Electromagnetic horn radiator
US2310294A (en) *	1941-03-01	1943-02-09	Rca Corp	Electromagnetic horn antenna
US2460401A (en) *	1941-11-28	1949-02-01	Bell Telephone Labor Inc	Directive microwave radio antenna
US2415807A (en) *	1942-01-29	1947-02-18	Sperry Gyroscope Co Inc	Directive electromagnetic radiator
US2369268A (en) *	1942-05-27	1945-02-13	Rca Corp	Radio repeater
US2427005A (en) *	1943-11-06	1947-09-09	Bell Telephone Labor Inc	Directive microwave antenna
US2442951A (en) *	1944-05-27	1948-06-08	Rca Corp	System for focusing and for directing radio-frequency energy

0
- FR FR937854D patent/FR937854A/fr not_active Expired
- BE BE470391D patent/BE470391A/xx unknown
- NL NL72078D patent/NL72078C/xx active
1946
- 1946-01-22 US US642723A patent/US2736894A/en not_active Expired - Lifetime
1947
- 1947-01-02 GB GB161/47A patent/GB650767A/en not_active Expired
- 1947-01-21 ES ES176675A patent/ES176675A1/es not_active Expired
- 1947-01-24 CH CH279123D patent/CH279123A/fr unknown
1948
- 1948-12-31 DE DEP28905D patent/DE830361C/de not_active Expired

Also Published As

Publication number	Publication date
ES176675A1 (es)	1947-03-01
DE830361C (de)	1952-02-04
NL72078C (de)
GB650767A (en)	1951-03-07
US2736894A (en)	1956-02-28
FR937854A (de)	1948-09-23
CH279123A (fr)	1951-11-15

Publication	Publication Date	Title
FR937854A (de)	1948-09-23
BE462639A (de)	1946-02-28
BE462695A (de)
BE464875A (de)
BE464863A (de)
BE464790A (de)
BE464737A (de)
BE464634A (de)
BE464613A (de)
BE464529A (de)
BE464485A (de)
BE464440A (de)
BE464439A (de)
BE464335A (de)
BE464222A (de)
BE464153A (de)
BE464048A (de)
BE463960A (de)
BE463944A (de)
BE463929A (de)
BE463817A (de)
BE463794A (de)
BE463772A (de)
BE463719A (de)
BE463599A (de)