FR2445037B1 - - Google Patents
Info
- Publication number
- FR2445037B1 FR2445037B1 FR7836248A FR7836248A FR2445037B1 FR 2445037 B1 FR2445037 B1 FR 2445037B1 FR 7836248 A FR7836248 A FR 7836248A FR 7836248 A FR7836248 A FR 7836248A FR 2445037 B1 FR2445037 B1 FR 2445037B1
- Authority
- FR
- France
- 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
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/202—Coaxial filters
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7836248A FR2445037A1 (fr) | 1978-12-22 | 1978-12-22 | Filtre de bande de frequence |
EP79400963A EP0013204A1 (fr) | 1978-12-22 | 1979-12-04 | Filtre de bande de fréquence |
US06/104,913 US4311975A (en) | 1978-12-22 | 1979-12-18 | Frequency band filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7836248A FR2445037A1 (fr) | 1978-12-22 | 1978-12-22 | Filtre de bande de frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2445037A1 FR2445037A1 (fr) | 1980-07-18 |
FR2445037B1 true FR2445037B1 (fr) | 1982-06-04 |
Family
ID=9216488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7836248A Granted FR2445037A1 (fr) | 1978-12-22 | 1978-12-22 | Filtre de bande de frequence |
Country Status (3)
Country | Link |
---|---|
US (1) | US4311975A (fr) |
EP (1) | EP0013204A1 (fr) |
FR (1) | FR2445037A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538612B1 (fr) * | 1982-12-23 | 1985-10-04 | Thomson Csf | Cavites coaxiales resonnantes pour tubes a grilles |
FR2655790B1 (fr) * | 1989-12-08 | 1992-01-24 | Thomson Tubes Electroniques | Tube a grille a rendement ameliore. |
US5808528A (en) * | 1996-09-05 | 1998-09-15 | Digital Microwave Corporation | Broad-band tunable waveguide filter using etched septum discontinuities |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438913A (en) * | 1941-10-31 | 1948-04-06 | Sperry Corp | High-frequency filter structure |
US2411858A (en) * | 1943-02-01 | 1946-12-03 | Rca Corp | Tuning apparatus |
US2410656A (en) * | 1943-06-24 | 1946-11-05 | Rca Corp | Tuned ultra high frequency transformer |
FR958806A (fr) * | 1944-02-09 | 1950-03-21 | ||
GB605253A (en) * | 1944-12-21 | 1948-07-19 | Sperry Gyroscope Co Inc | Improvements in and relating to concentric-conductor transmission lines |
US2666185A (en) * | 1946-02-18 | 1954-01-12 | George E Hulstede | Tuning plunger for a coaxial line type ultrahigh-frequency circuit |
US2630487A (en) * | 1949-07-22 | 1953-03-03 | Gen Electric | Apparatus for insulatingly terminating concentric conductor resonators |
US3144624A (en) * | 1960-08-01 | 1964-08-11 | C A Rypinski Company | Coaxial wave filter |
US4223287A (en) * | 1977-02-14 | 1980-09-16 | Murata Manufacturing Co., Ltd. | Electrical filter employing transverse electromagnetic mode coaxial resonators |
-
1978
- 1978-12-22 FR FR7836248A patent/FR2445037A1/fr active Granted
-
1979
- 1979-12-04 EP EP79400963A patent/EP0013204A1/fr not_active Withdrawn
- 1979-12-18 US US06/104,913 patent/US4311975A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0013204A1 (fr) | 1980-07-09 |
US4311975A (en) | 1982-01-19 |
FR2445037A1 (fr) | 1980-07-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |