NL93299C - - Google Patents

Info

Publication number: NL93299C
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.)

1951-10-29

Publication of NL93299C publication Critical patent/NL93299C/xx

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
- G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Computer Networks & Wireless Communication (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Radar Systems Or Details Thereof (AREA)

NL93299D 1951-10-29 NL93299C (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB314679X		1951-10-29

Publications (1)

Publication Number	Publication Date
NL93299C true NL93299C (de)

Family

ID=10323528

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL93299D NL93299C (de)	1951-10-29

Country Status (6)

Country	Link
US (1)	US2717379A (de)
BE (1)	BE515175A (de)
CH (1)	CH314679A (de)
DE (1)	DE962988C (de)
GB (1)	GB694549A (de)
NL (1)	NL93299C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2938208A (en) *	1955-01-05	1960-05-24	Itt	Omnirange beacon antenna having rotating parasitic conductive elements
US2973514A (en) *	1955-11-04	1961-02-28	Alford Andrew	Parallel plate transmission line antenna
US2912688A (en) *	1957-06-18	1959-11-10	Itt	Test set
DE2842692A1 (de) *	1978-09-30	1980-04-10	Licentia Gmbh	Peilverfahren fuer einkanal-peilsystem
JPH03205901A (ja) *	1989-10-26	1991-09-09	Toshiba Corp	電気機械装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2297395A (en) *	1936-05-14	1942-09-29	Erben Dietrich	Radio direction finding system
US2279466A (en) *	1938-09-20	1942-04-14	Telefunken Gmbh	Radio direction finder
FR890823A (fr) *	1941-07-24	1944-02-18	Fides Gmbh	Perfectionnements aux dispositifs de guidage des véhicules et, en particulier, des avions, au moyen d'impulsions
BE455855A (de) *	1943-04-12
US2564703A (en) *	1947-10-29	1951-08-21	Sperry Corp	Omni-azimuth guidance system
US2572041A (en) *	1947-10-29	1951-10-23	Sperry Corp	Selective azimuth signaling system
US2565506A (en) *	1949-07-26	1951-08-28	Sperry Corp	Omnidirectional radio range system

0
- NL NL93299D patent/NL93299C/xx active
- BE BE515175D patent/BE515175A/xx unknown
1951
- 1951-10-29 GB GB25225/51A patent/GB694549A/en not_active Expired
1952
- 1952-09-25 US US311435A patent/US2717379A/en not_active Expired - Lifetime
- 1952-10-23 DE DEI6491A patent/DE962988C/de not_active Expired
- 1952-10-29 CH CH314679D patent/CH314679A/de unknown

Also Published As

Publication number	Publication date
DE962988C (de)	1957-05-02
CH314679A (de)	1956-06-30
BE515175A (de)
US2717379A (en)	1955-09-06
GB694549A (en)	1953-07-22

Publication	Publication Date	Title
AT175432B (de)
AT190786B (de)	1957-07-25
FR979154A (de)	1951-04-23
AT195616B (de)	1958-02-25
AT197970B (de)	1958-05-27
AT192177A (de)	1957-10-10
BE501494A (de)
BE16335A (de)
BE422752A (de)
BE466790A (de)
BE480026A (de)
BE491015A (de)
BE491096A (de)
BE494945A (de)
BE498467A (de)
BE498982A (de)
BE500297A (de)
BE500588A (de)
BE500688A (de)
BE500744A (de)
BE500745A (de)
BE500841A (de)
BE500989A (de)	1951-02-15
BE500995A (de)
BE500996A (de)