FR847721A - Directing antenna - Google Patents

Directing antenna

Info

Publication number: FR847721A
Authority: FR; France
Prior art keywords: directing antenna; directing; antenna
Prior art date: 1937-12-20
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.): Expired

Application number

Other languages

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.)

Alcatel Lucent Deutschland AG

C Lorenz AG

Original Assignee

Standard Elektrik Lorenz AG

C Lorenz AG

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.)

1937-12-20

Filing date

1938-12-19

Publication date

1939-10-16

1938-12-19 Application filed by Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG

1939-10-16 Application granted granted Critical

1939-10-16 Publication of FR847721A publication Critical patent/FR847721A/en

Status Expired legal-status Critical Current

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
- G01S3/04—Details
- G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
- 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
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Support Of Aerials (AREA)
Aerials With Secondary Devices (AREA)

FR847721D 1937-12-20 1938-12-19 Directing antenna Expired FR847721A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE512705X		1937-12-20

Publications (1)

Publication Number	Publication Date
FR847721A true FR847721A (en)	1939-10-16

Family

ID=6548207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR847721D Expired FR847721A (en)	1937-12-20	1938-12-19	Directing antenna

Country Status (4)

Country	Link
US (1)	US2248762A (en)
FR (1)	FR847721A (en)
GB (1)	GB512705A (en)
NL (2)	NL91154B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2422026A (en) *	1943-07-28	1947-06-10	Rca Corp	Radio direction finding
US2922158A (en) *	1956-05-14	1960-01-19	Boeing Co	Radar corner reflector with electrically conductive liquid reflective surface

0
- NL NL54848D patent/NL54848C/xx active
- NL NL91154D patent/NL91154B/xx unknown
1938
- 1938-12-17 US US246306A patent/US2248762A/en not_active Expired - Lifetime
- 1938-12-19 FR FR847721D patent/FR847721A/en not_active Expired
- 1938-12-20 GB GB37034/38A patent/GB512705A/en not_active Expired

Also Published As

Publication number	Publication date
US2248762A (en)	1941-07-08
NL91154B (en)
GB512705A (en)	1939-09-22
NL54848C (en)

Publication	Publication Date	Title
FR862506A (en)	1941-03-14	Antennas improvements
CH207143A (en)	1939-09-30	Radio receiver.
FR837998A (en)	1939-02-23	Antenna device
CH212749A (en)	1940-12-15	Directional antenna system.
FR868418A (en)	1941-12-30	Directing antenna
CH220368A (en)	1942-03-31	Antenna.
FR847721A (en)	1939-10-16	Directing antenna
CH217641A (en)	1941-10-31	Shortwave antenna.
FR848780A (en)	1939-11-07	Directed antenna
DK57489C (en)	1940-04-15	Antenna.
FR824475A (en)	1938-02-09	Directing antenna
FR856409A (en)	1940-06-13	Directed radiation antenna
FI18532A (en)	1939-06-30	Antenna
CH208369A (en)	1940-01-31	Radio beacon.
FR833529A (en)	1938-10-24	Improvements to directional antennas
FR818661A (en)	1937-10-01	Star arrester antenna
FR800601A (en)	1936-07-15	Antenna
FR785702A (en)	1935-08-17	Antenna
CH208100A (en)	1939-12-31	Radio receiver.
CH207285A (en)	1939-10-15	Radio receiver.
FR757449A (en)	1933-12-26	Antenna directed unilaterally
FR831512A (en)	1938-09-07	Advanced radio receiver
FR801895A (en)	1936-08-20	Radio-electricity collecting antenna
CH207368A (en)	1939-10-31	Radio beacon.
FR818336A (en)	1937-09-23	Vertical antenna