FR1120231A - Perfectionnements aux systèmes à cavités radioélectriques accordées - Google Patents
Perfectionnements aux systèmes à cavités radioélectriques accordéesInfo
- Publication number
- FR1120231A FR1120231A FR1120231DA FR1120231A FR 1120231 A FR1120231 A FR 1120231A FR 1120231D A FR1120231D A FR 1120231DA FR 1120231 A FR1120231 A FR 1120231A
- Authority
- FR
- France
- Prior art keywords
- tuned radio
- cavity systems
- radio cavity
- systems
- tuned
- Prior art date
- 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
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 |
---|---|
FR1120231A true FR1120231A (fr) | 1956-07-03 |
Family
ID=9598866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1120231D Expired FR1120231A (fr) | 1955-01-21 | 1955-01-21 | Perfectionnements aux systèmes à cavités radioélectriques accordées |
Country Status (7)
Country | Link |
---|---|
US (1) | US2837722A (fr) |
BE (1) | BE544443A (fr) |
CH (1) | CH337886A (fr) |
DE (1) | DE1059057B (fr) |
FR (1) | FR1120231A (fr) |
GB (1) | GB820550A (fr) |
NL (2) | NL203657A (fr) |
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 (fr) * | 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 (fr) | |
US2837722A (en) | 1958-06-03 |
DE1059057B (de) | 1959-06-11 |
CH337886A (fr) | 1959-04-30 |
BE544443A (fr) | |
GB820550A (en) | 1959-09-23 |
NL99598C (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1173083A (fr) | Perfectionnements aux évaporateurs | |
FR1140766A (fr) | Perfectionnements aux oscillateurs à transistrons | |
FR1120231A (fr) | Perfectionnements aux systèmes à cavités radioélectriques accordées | |
FR1217311A (fr) | Perfectionnements aux évaporateurs | |
FR1197651A (fr) | Perfectionnements aux stylographes | |
FR1165555A (fr) | Systèmes radiogoniométriques | |
FR1130220A (fr) | Perfectionnements aux systèmes téléphoniques | |
FR1141413A (fr) | Perfectionnements aux antennes | |
FR1152309A (fr) | Perfectionnements aux antennes | |
FR1121219A (fr) | Perfectionnements aux systèmes de compresseurs | |
FR1101257A (fr) | Perfectionnements aux systèmes de télévision | |
FR1170434A (fr) | Perfectionnements aux évaporateurs | |
FR1137138A (fr) | Perfectionnements aux clarinettes | |
FR1123322A (fr) | Perfectionnements aux récepteurs radioélectriques | |
FR1138380A (fr) | Perfectionnements aux antennes | |
FR1220044A (fr) | Perfectionnements aux systèmes de télécommunication | |
FR1154944A (fr) | Perfectionnements aux systèmes de radio-télémétrie | |
FR1115681A (fr) | Perfectionnements apportés aux récepteurs radiophoniques | |
FR1197370A (fr) | Perfectionnements aux évaporateurs | |
FR69867E (fr) | Systèmes de navigation radioélectrique | |
FR1225675A (fr) | Perfectionnements aux systèmes de cathode | |
FR1133165A (fr) | Perfectionnements aux transmetteurs radio-électriques | |
FR1172246A (fr) | Perfectionnements aux stylographes | |
FR1146005A (fr) | Perfectionnements aux systèmes multiplex | |
FR1141980A (fr) | Perfectionnements aux postes récepteurs de radio |