USB249184I5 - - Google Patents
Info
- Publication number
- USB249184I5 USB249184I5 US249184DD USB249184I5 US B249184 I5 USB249184 I5 US B249184I5 US 249184D D US249184D D US 249184DD US B249184 I5 USB249184 I5 US B249184I5
- Authority
- US
- United States
- 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.)
- Pending
Links
Classifications
-
- 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
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/22—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US613979A US2492184A (en) | 1945-09-01 | 1945-09-01 | Polyphase oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USB249184I5 true USB249184I5 (de) |
Family
ID=24459415
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US249184D Pending USB249184I5 (de) | 1945-09-01 | ||
| US613979A Expired - Lifetime US2492184A (en) | 1945-09-01 | 1945-09-01 | Polyphase oscillator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US613979A Expired - Lifetime US2492184A (en) | 1945-09-01 | 1945-09-01 | Polyphase oscillator |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US2492184A (de) |
| BE (1) | BE470920A (de) |
| ES (1) | ES178724A1 (de) |
| GB (1) | GB627630A (de) |
| NL (1) | NL66753C (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2633534A (en) * | 1950-02-01 | 1953-03-31 | Bell Telephone Labor Inc | Variable frequency oscillator |
| US2675523A (en) * | 1950-10-20 | 1954-04-13 | Fisk Bert | Phase modulation keyer |
| US2714697A (en) * | 1953-04-02 | 1955-08-02 | Donald C Small | 3-phase, rc, variable voltage, variable frequency oscillator for electric motor |
| US2971165A (en) * | 1958-09-12 | 1961-02-07 | Genisco Inc | Multi-phase oscillator with amplitude stabilizing means |
| US3141139A (en) * | 1961-12-26 | 1964-07-14 | Bell Telephone Labor Inc | Direct-coupled transistor oscillator having variable source impedance for controlling frequency |
| US3831112A (en) * | 1972-12-27 | 1974-08-20 | Proximity Devices | Voltage controlled sweep oscillator |
| US3918008A (en) * | 1972-12-27 | 1975-11-04 | Proximity Devices | Voltage controlled sweep oscillator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1745559A (en) * | 1924-12-01 | 1930-02-04 | Schrack Eduard | Electron-discharge-tube generator |
| US1972535A (en) * | 1930-05-14 | 1934-09-04 | Robert M Page | Polyphase relaxation circuit oscillator |
| US2024489A (en) * | 1932-01-08 | 1935-12-17 | Rca Corp | Circuit arrangement for generating or amplifying electric oscillations |
| US2055090A (en) * | 1933-02-23 | 1936-09-22 | Rca Corp | Electrical oscillation generator |
| US2236985A (en) * | 1939-10-28 | 1941-04-01 | Gen Electric | Oscillator |
| US2373437A (en) * | 1940-02-15 | 1945-04-10 | Emi Ltd | Twin-discharge tube oscillator |
| US2321269A (en) * | 1941-11-21 | 1943-06-08 | Rca Corp | Frequency modulation |
-
0
- NL NL66753D patent/NL66753C/xx active
- US US249184D patent/USB249184I5/en active Pending
- BE BE470920D patent/BE470920A/xx unknown
-
1945
- 1945-09-01 US US613979A patent/US2492184A/en not_active Expired - Lifetime
-
1947
- 1947-02-21 GB GB5134/47A patent/GB627630A/en not_active Expired
- 1947-07-02 ES ES0178724A patent/ES178724A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL66753C (de) | |
| GB627630A (en) | 1949-08-12 |
| BE470920A (de) | |
| ES178724A1 (es) | 1947-09-01 |
| US2492184A (en) | 1949-12-27 |