NL67619C - - Google Patents
Info
- Publication number
- NL67619C NL67619C NL67619DA NL67619C NL 67619 C NL67619 C NL 67619C NL 67619D A NL67619D A NL 67619DA NL 67619 C NL67619 C NL 67619C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/28—Angle modulation by means of variable impedance using variable impedance driven mechanically or acoustically
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/006—Transmitter or amplifier output circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL628057X | 1946-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67619C true NL67619C (https=) |
Family
ID=19788647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67619D NL67619C (https=) | 1946-05-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2497605A (https=) |
| DE (1) | DE809565C (https=) |
| FR (1) | FR946994A (https=) |
| GB (1) | GB628057A (https=) |
| NL (1) | NL67619C (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2917300A (en) * | 1956-12-07 | 1959-12-15 | Univ California | Frequency modulating accelerometer |
| DE1261901B (de) * | 1963-03-29 | 1968-02-29 | Telefunken Patent | Aus Widerstaenden und Kondensatoren aufgebauter Vierpol mit einem Daempfungsmaximum |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1615645A (en) * | 1920-07-15 | 1927-01-25 | Westinghouse Electric & Mfg Co | Combined wireless sending and receiving system |
| GB406674A (en) * | 1931-09-19 | 1934-02-28 | Marconi Wireless Telegraph Co | Improvements in or relating to modulated carrier wave transmitting systems |
| GB512028A (en) * | 1938-02-24 | 1939-08-28 | William Spencer Percival | Improvements in or relating to thermionic valve circuits |
| US2418842A (en) * | 1943-03-04 | 1947-04-15 | Bell Telephone Labor Inc | Scanning oscillator |
-
0
- NL NL67619D patent/NL67619C/xx active
-
1947
- 1947-05-13 US US747778A patent/US2497605A/en not_active Expired - Lifetime
- 1947-05-20 GB GB13533/47A patent/GB628057A/en not_active Expired
- 1947-05-21 FR FR946994D patent/FR946994A/fr not_active Expired
-
1948
- 1948-11-04 DE DEP20518A patent/DE809565C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE809565C (de) | 1951-07-30 |
| GB628057A (en) | 1949-08-22 |
| FR946994A (fr) | 1949-06-20 |
| US2497605A (en) | 1950-02-14 |