NL77658C - - Google Patents
Info
- Publication number
- NL77658C NL77658C NL77658DA NL77658C NL 77658 C NL77658 C NL 77658C NL 77658D A NL77658D A NL 77658DA NL 77658 C NL77658 C NL 77658C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1408—Balanced arrangements with diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB265356X | 1946-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77658C true NL77658C (pt) |
Family
ID=10245169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77658D NL77658C (pt) | 1946-03-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2586895A (pt) |
| BE (1) | BE479416A (pt) |
| CH (1) | CH265356A (pt) |
| FR (1) | FR944382A (pt) |
| GB (1) | GB613143A (pt) |
| NL (1) | NL77658C (pt) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2781512A (en) * | 1951-12-05 | 1957-02-12 | Jr Ralph O Robinson | Cylindrical notch antenna |
| US2778016A (en) * | 1953-01-23 | 1957-01-15 | Gabriel Co | Wave guide antenna |
| US2957172A (en) * | 1958-09-05 | 1960-10-18 | James E Howell | Dual band slot antenna |
| US3246245A (en) * | 1961-06-05 | 1966-04-12 | Edwin M Turner | Combined antenna and converter circuit |
| US3171086A (en) * | 1962-09-10 | 1965-02-23 | Horst W A Gerlach | Traveling wave amplifier and oscillator with tunnel diodes |
| US3175218A (en) * | 1963-03-01 | 1965-03-23 | Hughes Aircraft Co | Variable electronic slot coupler |
| GB2113476B (en) * | 1982-01-15 | 1985-07-03 | Marconi Co Ltd | Antenna arrangement |
| FR2538188B1 (fr) * | 1982-12-16 | 1988-07-15 | Dreuilhe Jacqueline | Oscillateur pour tete de radar a effet doppler pour la detection d'objets en mouvement |
| US4531130A (en) * | 1983-06-15 | 1985-07-23 | Sanders Associates, Inc. | Crossed tee-fed slot antenna |
| GB9410557D0 (en) * | 1994-05-26 | 1994-07-13 | Schlumberger Ind Ltd | Radio antennae |
| BR112012007926B1 (pt) | 2009-10-09 | 2020-12-08 | Volm Companies, Inc | pano não tecido de malha aberta e material de malha aberta |
| WO2016121375A1 (ja) * | 2015-01-26 | 2016-08-04 | 日本電気株式会社 | 周波数選択表面、無線通信装置およびレーダ装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2402622A (en) * | 1940-11-26 | 1946-06-25 | Univ Leland Stanford Junior | Radiating electromagnetic wave guide |
| GB582708A (en) * | 1942-04-03 | 1946-11-26 | Standard Telephones Cables Ltd | Improvements in arrangements for obstacle detection and measurement of distances by electromagnetic waves |
| US2412003A (en) * | 1942-06-16 | 1946-12-03 | Neufeld Jacob | Navigational method and apparatus |
| US2414266A (en) * | 1942-06-27 | 1947-01-14 | Rca Corp | Antenna |
| US2433804A (en) * | 1943-04-23 | 1947-12-30 | Rca Corp | Frequency-modulated pulse radio locating system |
| US2424796A (en) * | 1943-10-28 | 1947-07-29 | Rca Corp | Superheterodyne radio altimeter or locator |
-
0
- NL NL77658D patent/NL77658C/xx active
- BE BE479416D patent/BE479416A/xx unknown
-
1946
- 1946-03-15 GB GB8182/46A patent/GB613143A/en not_active Expired
-
1947
- 1947-03-14 FR FR944382D patent/FR944382A/fr not_active Expired
- 1947-03-15 CH CH265356D patent/CH265356A/de unknown
- 1947-08-19 US US769441A patent/US2586895A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH265356A (de) | 1949-11-30 |
| BE479416A (pt) | |
| GB613143A (en) | 1948-11-23 |
| US2586895A (en) | 1952-02-26 |
| FR944382A (fr) | 1949-04-04 |