NL66254C - - Google Patents
Info
- Publication number
- NL66254C NL66254C NL66254DA NL66254C NL 66254 C NL66254 C NL 66254C NL 66254D A NL66254D A NL 66254DA NL 66254 C NL66254 C NL 66254C
- Authority
- NL
- Netherlands
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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator 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
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH909582X | 1947-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL66254C true NL66254C (forum.php) |
Family
ID=4547145
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL62286853A NL138983B (nl) | 1947-03-01 | Vierwegafsluiter voor warmte-uitwisselingselementen van warmwater verwarmingsinrichtingen. | |
| NL66254D NL66254C (forum.php) | 1947-03-01 | ||
| NL75095D NL75095C (forum.php) | 1947-03-01 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL62286853A NL138983B (nl) | 1947-03-01 | Vierwegafsluiter voor warmte-uitwisselingselementen van warmwater verwarmingsinrichtingen. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL75095D NL75095C (forum.php) | 1947-03-01 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE480829A (forum.php) |
| CH (1) | CH258470A (forum.php) |
| DE (1) | DE909582C (forum.php) |
| FR (1) | FR962237A (forum.php) |
| NL (3) | NL75095C (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816227A (en) * | 1953-11-04 | 1957-12-10 | Hahnel Alwin | Frequency multiplier |
| DE962271C (de) * | 1954-11-12 | 1957-04-18 | Lorenz C Ag | Schaltungsanordnung zur Frequenzmodulation |
| US2867725A (en) * | 1956-02-20 | 1959-01-06 | Patronix Inc | Electronic oscillator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR725780A (fr) * | 1931-01-10 | 1932-05-18 | Radio Electr Soc Fr | Perfectionnements aux dispositifs à réaction utilisant des lampes à électrodes multiples et applications |
| DE717698C (de) * | 1937-03-02 | 1942-02-20 | Telefunken Gmbh | Anordnung zur Frequenzbeeinflussung eines Roehrenoszillators mittels geregelter wattloser Rueckkopplung |
| US2298436A (en) * | 1940-06-05 | 1942-10-13 | Rca Corp | Frequency modulation |
| BE451440A (forum.php) * | 1942-07-11 |
-
0
- FR FR962237D patent/FR962237A/fr not_active Expired
- NL NL62286853A patent/NL138983B/xx unknown
- NL NL66254D patent/NL66254C/xx active
- BE BE480829D patent/BE480829A/xx unknown
- NL NL75095D patent/NL75095C/xx active
-
1947
- 1947-03-01 CH CH258470D patent/CH258470A/de unknown
-
1949
- 1949-01-01 DE DEP28952A patent/DE909582C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE909582C (de) | 1954-04-22 |
| NL75095C (forum.php) | |
| NL138983B (nl) | |
| FR962237A (forum.php) | 1950-06-07 |
| BE480829A (forum.php) | |
| CH258470A (de) | 1948-11-30 |