BE458146A - - Google Patents
Info
- Publication number
- BE458146A BE458146A BE458146DA BE458146A BE 458146 A BE458146 A BE 458146A BE 458146D A BE458146D A BE 458146DA BE 458146 A BE458146 A BE 458146A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
-
- 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
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE256375X | 1945-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE458146A true BE458146A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=3866663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE458146D BE458146A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1945-02-08 |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848610A (en) * | 1953-05-25 | 1958-08-19 | Vitro Corp Of America | Oscillator frequency control apparatus |
| US2887579A (en) * | 1953-11-19 | 1959-05-19 | Gen Precision Lab Inc | Pulse repetition frequency generator and driver |
| US2959745A (en) * | 1957-03-06 | 1960-11-08 | Donald D Grieg | Control means for transistor oscillators |
| US3128462A (en) * | 1959-07-02 | 1964-04-07 | Aircraft Armaments Inc | Test arrangement |
| US3373374A (en) * | 1966-06-01 | 1968-03-12 | Gen Precision Systems Inc | Self-tunable vehicle presence detector system |
| US4015216A (en) * | 1974-07-31 | 1977-03-29 | Hitachi, Ltd. | Frequency-voltage converter and a stabilized pulse generator using it |
| US8284385B2 (en) | 2009-11-13 | 2012-10-09 | Lincoln Global, Inc. | Welding arc apparel with UV activated images |
| BR112015007550A2 (pt) | 2012-10-05 | 2017-07-04 | Lincoln Global Inc | aparelho de arco de soldagem com imagens ativadas por uv ou termocromicamente |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1683012A (en) * | 1928-09-04 | Thomas | ||
| GB166594A (en) * | 1919-09-27 | 1921-07-11 | Sydney Brydon | Improvements in wireless telegraphy, wireless telephony and the like |
| DE543690C (de) * | 1930-04-04 | 1932-02-09 | Telefunken Gmbh | Rueckgekoppelter Roehrengenerator |
| NL136703B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1940-02-20 | |||
| US2265016A (en) * | 1940-02-29 | 1941-12-02 | Sidney Y White | Electrical oscillation generator |
| US2349885A (en) * | 1941-10-25 | 1944-05-30 | Rca Corp | Oscillation generator |
-
0
- BE BE458146D patent/BE458146A/xx unknown
-
1946
- 1946-02-05 GB GB3573/46A patent/GB607798A/en not_active Expired
- 1946-02-06 FR FR923304D patent/FR923304A/fr not_active Expired
- 1946-02-06 CH CH256375D patent/CH256375A/fr unknown
- 1946-06-07 US US675023A patent/US2531301A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB607798A (en) | 1948-09-06 |
| US2531301A (en) | 1950-11-21 |
| CH256375A (fr) | 1948-08-15 |
| FR923304A (fr) | 1947-07-03 |