BE459248A - - Google Patents
Info
- Publication number
- BE459248A BE459248A BE459248DA BE459248A BE 459248 A BE459248 A BE 459248A BE 459248D A BE459248D A BE 459248DA BE 459248 A BE459248 A BE 459248A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR989708T | 1944-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE459248A true BE459248A (US07816562-20101019-C00012.png) |
Family
ID=9540411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE459248D BE459248A (US07816562-20101019-C00012.png) | 1944-03-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2560859A (US07816562-20101019-C00012.png) |
| BE (1) | BE459248A (US07816562-20101019-C00012.png) |
| CH (1) | CH255846A (US07816562-20101019-C00012.png) |
| FR (1) | FR989708A (US07816562-20101019-C00012.png) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2646550A (en) * | 1948-01-09 | 1953-07-21 | Arthur A Varela | Controlled impedance gas discharge device for mechanical transmission mediums |
| BE502649A (US07816562-20101019-C00012.png) * | 1950-04-20 | |||
| NL153655B (nl) * | 1950-05-20 | Trans Canada Pipelines Ltd | Zuigerconstructie, welke bestemd is door mediumdruk in een pijpleiding te worden voortbewogen. | |
| US2671884A (en) * | 1950-09-19 | 1954-03-09 | Gen Precision Lab Inc | Microwave magnetic control |
| US2727230A (en) * | 1950-09-20 | 1955-12-13 | Westinghouse Electric Corp | Electronically tunable cavity resonator |
| US2765404A (en) * | 1951-12-14 | 1956-10-02 | Frank R Arams | Microwave filter |
| US2820127A (en) * | 1953-03-30 | 1958-01-14 | Raytheon Mfg Co | Microwave cookers |
| US2808493A (en) * | 1954-10-11 | 1957-10-01 | Joseph B Brennan | Welding of tubes and the like |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2078302A (en) * | 1933-08-31 | 1937-04-27 | Rca Corp | Modulating system for short waves |
| US2151157A (en) * | 1936-10-31 | 1939-03-21 | Bell Telephone Labor Inc | Guided electromagnetic wave transmission |
| GB537491A (en) * | 1939-12-22 | 1941-06-24 | Standard Telephon & Radio Ag | Improvements in or relating to high frequency electron discharge apparatus |
| US2301163A (en) * | 1940-02-24 | 1942-11-03 | Koch Siegfried | High frequency tuned oscillatory circuit |
| US2408425A (en) * | 1941-04-04 | 1946-10-01 | Sperry Gyroscope Co Inc | Instrument landing system |
| US2407274A (en) * | 1941-04-16 | 1946-09-10 | Bell Telephone Labor Inc | Ultra high frequency electronic device |
| US2438954A (en) * | 1941-11-12 | 1948-04-06 | Bell Telephone Labor Inc | Electronic oscillator of the cavity resonator type |
| NL63520C (US07816562-20101019-C00012.png) * | 1941-12-10 | |||
| US2426992A (en) * | 1942-05-27 | 1947-09-09 | Sperry Gyroscope Co Inc | Glide path transmitter |
| FR954971A (US07816562-20101019-C00012.png) * | 1943-11-06 | 1950-01-06 | ||
| US2485029A (en) * | 1944-08-30 | 1949-10-18 | Philco Corp | Frequency stabilizer for oscillators |
-
0
- BE BE459248D patent/BE459248A/xx unknown
-
1944
- 1944-03-02 FR FR989708D patent/FR989708A/fr not_active Expired
-
1945
- 1945-07-03 CH CH255846D patent/CH255846A/fr unknown
-
1947
- 1947-04-11 US US740842A patent/US2560859A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH255846A (fr) | 1948-07-15 |
| US2560859A (en) | 1951-07-17 |
| FR989708A (fr) | 1951-09-12 |
