NL133955C - - Google Patents
Info
- Publication number
- NL133955C NL133955C NL133955DA NL133955C NL 133955 C NL133955 C NL 133955C NL 133955D A NL133955D A NL 133955DA NL 133955 C NL133955 C NL 133955C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/005—Helical resonators; Spiral resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
- H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/003—One-port networks comprising only passive electrical elements as network components comprising distributed impedance elements together with lumped impedance elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1582963A CH408133A (de) | 1963-12-23 | 1963-12-23 | Abstimmbare Kurzwellensenderstufe, welche in weitem Frequenz-bereich durchstimmbar ist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL133955C true NL133955C (de) | 1900-01-01 |
Family
ID=4412304
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL133955D NL133955C (de) | 1963-12-23 | ||
| NL6413919A NL6413919A (de) | 1963-12-23 | 1964-11-30 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6413919A NL6413919A (de) | 1963-12-23 | 1964-11-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3264587A (de) |
| BE (1) | BE657404A (de) |
| CH (1) | CH408133A (de) |
| DE (1) | DE1270625B (de) |
| FR (1) | FR1419265A (de) |
| GB (1) | GB1035380A (de) |
| NL (2) | NL6413919A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385279A (en) * | 1981-08-04 | 1983-05-24 | Motorola, Inc. | Tunable helical resonator |
| US4451806A (en) * | 1982-04-30 | 1984-05-29 | Rca Corporation | Tuning means for a transmisson line cavity |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1706235U (de) * | 1953-12-07 | 1955-09-01 | Siemens Ag | Koaxialer topfkreis fuer den kurzwellenbetrieb, insbesondere als filterglied, schwingkreis- oder abstimmanordnung, vorzugsweise im konzentrischen zusammenbau mit roehren grosser leistung od. dgl. |
-
0
- NL NL133955D patent/NL133955C/xx active
-
1963
- 1963-12-23 CH CH1582963A patent/CH408133A/de unknown
-
1964
- 1964-01-22 DE DEP1270A patent/DE1270625B/de not_active Withdrawn
- 1964-11-30 NL NL6413919A patent/NL6413919A/xx unknown
- 1964-12-21 GB GB51791/64A patent/GB1035380A/en not_active Expired
- 1964-12-21 FR FR45416A patent/FR1419265A/fr not_active Expired
- 1964-12-21 BE BE657404D patent/BE657404A/xx unknown
- 1964-12-22 US US420400A patent/US3264587A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL6413919A (de) | 1965-06-24 |
| BE657404A (de) | 1965-04-16 |
| CH408133A (de) | 1966-02-28 |
| FR1419265A (fr) | 1965-11-26 |
| GB1035380A (en) | 1966-07-06 |
| US3264587A (en) | 1966-08-02 |
| DE1270625B (de) | 1968-06-20 |