NL56492C - - Google Patents
Info
- Publication number
- NL56492C NL56492C NL56492DA NL56492C NL 56492 C NL56492 C NL 56492C NL 56492D A NL56492D A NL 56492DA NL 56492 C NL56492 C NL 56492C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/383—Impedance-matching networks comprising distributed impedance elements together with lumped impedance elements
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- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE214302X | 1938-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56492C true NL56492C (de) |
Family
ID=5817987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56492D NL56492C (de) | 1938-04-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2194696A (de) |
| CH (1) | CH214302A (de) |
| NL (1) | NL56492C (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490735A (en) * | 1943-05-31 | 1949-12-06 | Honeywell Regulator Co | Control apparatus |
| US2540137A (en) * | 1943-12-14 | 1951-02-06 | Irving H Page | Wide range tuning circuit |
| US2494502A (en) * | 1944-06-26 | 1950-01-10 | Ferris Instr Lab | Electrical capacitance device |
| US2442373A (en) * | 1944-11-21 | 1948-06-01 | Thomas A Newkirk | Variable inductance |
| US2491480A (en) * | 1945-05-21 | 1949-12-20 | Davis Thomas Mcl | High-frequency tunable circuit |
| US2467737A (en) * | 1945-05-24 | 1949-04-19 | Emerson Radio And Phonograph C | Ultra high frequency antenna coupling coil assembly |
| US2587667A (en) * | 1945-06-14 | 1952-03-04 | Toth Emerick | Inductively coupled compensator |
| US2485884A (en) * | 1945-08-29 | 1949-10-25 | Richard R Stoddart | High-frequency receiving system having inductively coupled butterfly type circuits |
| US2707271A (en) * | 1947-01-15 | 1955-04-26 | Itt | Electrical coupling apparatus |
| US2519009A (en) * | 1948-03-31 | 1950-08-15 | Super Electric Products Corp | Condenser construction for use with transformers |
| US2656517A (en) * | 1948-08-17 | 1953-10-20 | Westinghouse Electric Corp | Radio frequency coupling apparatus |
| US2755448A (en) * | 1952-06-30 | 1956-07-17 | Sarkes Tarzian | Tuning unit |
| US2756393A (en) * | 1952-10-03 | 1956-07-24 | Philco Corp | Constant bandwidth coupling system |
| US2829349A (en) * | 1952-11-06 | 1958-04-01 | I D E A Inc | Electrical filter circuit construction |
| DE1065037B (de) * | 1957-02-09 | 1959-09-10 | Phil Nat Dr Med H C Dr Med H C | Regelbarer induktiver Transformator fuer einen grossen Wellenlaengenbereich zur Kopplung von Doppelleitungen oder Doppelleitungsresonatoren mit Doppelleitungen, Hohlrohrleitungen, Doppelleitungsresonatoren oder Hohlraumresonatoren |
-
0
- NL NL56492D patent/NL56492C/xx active
-
1939
- 1939-03-24 CH CH214302D patent/CH214302A/de unknown
- 1939-04-20 US US268880A patent/US2194696A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2194696A (en) | 1940-03-26 |
| CH214302A (de) | 1941-04-15 |