NL6410259A - - Google Patents
Info
- Publication number
- NL6410259A NL6410259A NL6410259A NL6410259A NL6410259A NL 6410259 A NL6410259 A NL 6410259A NL 6410259 A NL6410259 A NL 6410259A NL 6410259 A NL6410259 A NL 6410259A NL 6410259 A NL6410259 A NL 6410259A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
- H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA883849 | 1963-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6410259A true NL6410259A (Sortimente) | 1965-03-05 |
Family
ID=4141799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6410259A NL6410259A (Sortimente) | 1963-09-04 | 1964-09-03 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1276729B (Sortimente) |
| GB (1) | GB1084018A (Sortimente) |
| NL (1) | NL6410259A (Sortimente) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2497433A1 (fr) * | 1980-12-31 | 1982-07-02 | Thomson Csf Mat Tel | Circuit de liaison d'un microphone actif, en particulier a electret a un circuit de transmission telephonique |
| FR2572616A1 (fr) * | 1984-10-30 | 1986-05-02 | Thomson Csf | Transducteur electro-acoustique a diaphragme piezoelectrique |
| RU2267236C2 (ru) * | 2003-08-28 | 2005-12-27 | Пинский Александр Генахович | Способ формирования характеристик конденсаторного микрофона и устройство для его осуществления |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1110230B (de) * | 1956-04-09 | 1961-07-06 | Phil Habil Oskar Vierling Dr | Anordnung zum Betrieb von Kondensator-mikrofonen an Transistorverstaerkern |
-
1964
- 1964-09-03 NL NL6410259A patent/NL6410259A/xx unknown
- 1964-09-04 GB GB3644164A patent/GB1084018A/en not_active Expired
- 1964-09-04 DE DE1964N0025465 patent/DE1276729B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1084018A (en) | 1967-09-20 |
| DE1276729B (de) | 1968-09-05 |