BE544443A - - Google Patents
Info
- Publication number
- BE544443A BE544443A BE544443DA BE544443A BE 544443 A BE544443 A BE 544443A BE 544443D A BE544443D A BE 544443DA BE 544443 A BE544443 A BE 544443A
- Authority
- BE
- Belgium
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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/04—Coaxial resonators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1059057X | 1955-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544443A true BE544443A (de) |
Family
ID=9598866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544443D BE544443A (de) | 1955-01-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2837722A (de) |
| BE (1) | BE544443A (de) |
| CH (1) | CH337886A (de) |
| DE (1) | DE1059057B (de) |
| FR (1) | FR1120231A (de) |
| GB (1) | GB820550A (de) |
| NL (2) | NL203657A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020499A (en) * | 1960-05-20 | 1962-02-06 | Polarad Electronics Corp | Coaxial cavity tracking means |
| US3537041A (en) * | 1967-09-15 | 1970-10-27 | Motorola Inc | Resonant cavity having adjacent coupling elements to provide a rejection frequency |
| US4228539A (en) * | 1978-12-28 | 1980-10-14 | Valsala Oy | High frequency transmitter |
| US4320852A (en) * | 1980-10-31 | 1982-03-23 | Herman Miller, Inc. | Mobile file lid |
| JPS57132403A (en) * | 1981-02-10 | 1982-08-16 | Toyo Commun Equip Co Ltd | Re-entrant cylindrical cavity resonator for voltage control |
| DE3218383A1 (de) * | 1982-05-15 | 1983-11-17 | Robert Bosch Gmbh, 7000 Stuttgart | Uhf-filter |
| FR2583597A1 (fr) * | 1985-06-13 | 1986-12-19 | Alcatel Thomson Faisceaux | Filtre passe-bande hyperfrequences en mode evanescent |
| NZ248549A (en) * | 1993-08-31 | 1997-01-29 | Deltec New Zealand | Loop coupler for resonator: rotates to adjust loaded q |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603754A (en) * | 1945-03-17 | 1952-07-15 | Univ Leland Stanford Junior | High-frequency apparatus |
| US2500417A (en) * | 1945-04-13 | 1950-03-14 | Bell Telephone Labor Inc | Electrical resonator |
| NL77639C (de) * | 1951-05-09 | 1955-03-01 | Philips Nv | |
| US2693582A (en) * | 1953-03-11 | 1954-11-02 | Collins Radio Co | Variable coupling device |
-
0
- NL NL99598D patent/NL99598C/xx active
- NL NL203657D patent/NL203657A/xx unknown
- BE BE544443D patent/BE544443A/xx unknown
-
1955
- 1955-01-21 FR FR1120231D patent/FR1120231A/fr not_active Expired
-
1956
- 1956-01-17 DE DEC12423A patent/DE1059057B/de active Pending
- 1956-01-18 US US559944A patent/US2837722A/en not_active Expired - Lifetime
- 1956-01-19 CH CH337886D patent/CH337886A/fr unknown
- 1956-01-20 GB GB2006/56A patent/GB820550A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL203657A (de) | |
| FR1120231A (fr) | 1956-07-03 |
| US2837722A (en) | 1958-06-03 |
| DE1059057B (de) | 1959-06-11 |
| CH337886A (fr) | 1959-04-30 |
| GB820550A (en) | 1959-09-23 |
| NL99598C (de) |