BE435639A - - Google Patents
Info
- Publication number
- BE435639A BE435639A BE435639DA BE435639A BE 435639 A BE435639 A BE 435639A BE 435639D A BE435639D A BE 435639DA BE 435639 A BE435639 A BE 435639A
- 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
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/18—Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- 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
- H03C3/20—Angle modulation by means of variable impedance by means of a variable reactive element the element being a voltage-dependent capacitor
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL242061X | 1943-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE435639A true BE435639A (US06826419-20041130-M00005.png) |
Family
ID=19780620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE435639D BE435639A (US06826419-20041130-M00005.png) | 1943-05-06 |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2763779A (en) * | 1946-04-08 | 1956-09-18 | Groot Folkert Albert De | Control-circuit arrangement |
| US2658999A (en) * | 1951-01-05 | 1953-11-10 | George M Farly | Bevatron acceleration regulation |
| US2891158A (en) * | 1951-06-30 | 1959-06-16 | Cgs Lab Inc | Ferrite stabilizing system |
| US2933697A (en) * | 1955-05-13 | 1960-04-19 | Gulton Ind Inc | Electronic musical instrument having voltage sensitive frequency variation means |
| US2938173A (en) * | 1955-05-16 | 1960-05-24 | Honeywell Regulator Co | Measuring circuit using modulated transistor oscillator with temperature stabilization |
| US2925561A (en) * | 1955-07-01 | 1960-02-16 | Motorola Inc | Crystal oscillator system |
| US2940054A (en) * | 1956-03-30 | 1960-06-07 | Walter J Brown | Stabilized phase modulators |
| DE1177737B (de) * | 1962-09-13 | 1964-09-10 | Johannes Schunack Dr Ing | Verfahren zur Linearisierung der Frequenz-Zeit-Charakteristik der Ausgangsspannung eines Wobbelsenders |
| DE1201412B (de) * | 1962-10-29 | 1965-09-23 | Sennheiser Electronic | Hochfrequenzkondensatormikrofon mit Gegen-kopplung |
| US3617947A (en) * | 1964-10-29 | 1971-11-02 | Garold K Jensen | Wide band frequency modulator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2000584A (en) * | 1931-10-05 | 1935-05-07 | Fichandler Carl | Frequency control |
| US2279660A (en) * | 1937-04-13 | 1942-04-14 | Rca Corp | Wave length modulation system |
| US2334726A (en) * | 1941-12-05 | 1943-11-23 | Rca Corp | Linear modulator |
-
0
- BE BE435639D patent/BE435639A/xx unknown
- NL NL68586D patent/NL68586C/xx active
-
1944
- 1944-05-03 DE DEN2476D patent/DE862318C/de not_active Expired
- 1944-05-04 CH CH242061D patent/CH242061A/de unknown
- 1944-05-05 FR FR904095D patent/FR904095A/fr not_active Expired
-
1946
- 1946-07-20 US US685193A patent/US2495634A/en not_active Expired - Lifetime
- 1946-11-15 GB GB33953/46A patent/GB619085A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL68586C (US06826419-20041130-M00005.png) | |
| US2495634A (en) | 1950-01-24 |
| CH242061A (de) | 1946-04-15 |
| FR904095A (fr) | 1945-10-25 |
| GB619085A (en) | 1949-03-03 |
| DE862318C (de) | 1953-01-08 |
