NL69482C - - Google Patents
Info
- Publication number
- NL69482C NL69482C NL69482DA NL69482C NL 69482 C NL69482 C NL 69482C NL 69482D A NL69482D A NL 69482DA NL 69482 C NL69482 C NL 69482C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/16—Networks for phase shifting
- H03H11/20—Two-port phase shifters providing an adjustable phase shift
-
- 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
-
- 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
- G01S3/065—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 by using non-directional aerial
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/185—Networks for phase shifting comprising distributed impedance elements together with lumped impedance elements
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US468668A US2426175A (en) | 1942-12-11 | 1942-12-11 | Direction finder |
Publications (1)
Publication Number | Publication Date |
---|---|
NL69482C true NL69482C (hu) |
Family
ID=23860742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL69482D NL69482C (hu) | 1942-12-11 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2426175A (hu) |
BE (1) | BE480683A (hu) |
CH (1) | CH270290A (hu) |
DE (1) | DE874033C (hu) |
FR (2) | FR951017A (hu) |
NL (1) | NL69482C (hu) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE448113A (hu) * | 1941-11-29 | |||
US2578966A (en) * | 1948-06-14 | 1951-12-18 | Fr Sadir Carpentier Soc | Radio-goniometric system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE405522A (hu) * | 1941-08-01 |
-
0
- BE BE480683D patent/BE480683A/xx unknown
- NL NL69482D patent/NL69482C/xx active
-
1942
- 1942-12-11 US US468668A patent/US2426175A/en not_active Expired - Lifetime
-
1947
- 1947-08-05 FR FR951017D patent/FR951017A/fr not_active Expired
- 1947-09-30 CH CH270290D patent/CH270290A/de unknown
-
1948
- 1948-02-26 FR FR58517D patent/FR58517E/fr not_active Expired
-
1950
- 1950-10-01 DE DEF4305A patent/DE874033C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE480683A (hu) | |
US2426175A (en) | 1947-08-26 |
CH270290A (de) | 1950-08-31 |
FR951017A (fr) | 1949-10-13 |
FR58517E (fr) | 1954-01-27 |
DE874033C (de) | 1953-04-20 |