FR707999A - Perfectionnements aux dispositifs amplificateurs à décharge électronique - Google Patents
Perfectionnements aux dispositifs amplificateurs à décharge électroniqueInfo
- Publication number
- FR707999A FR707999A FR707999DA FR707999A FR 707999 A FR707999 A FR 707999A FR 707999D A FR707999D A FR 707999DA FR 707999 A FR707999 A FR 707999A
- Authority
- FR
- France
- Prior art keywords
- amplifying devices
- electronic discharge
- discharge amplifying
- electronic
- devices
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/18—Automatic control in untuned amplifiers
- H03G5/20—Automatic control in untuned amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/18—Automatic control in untuned amplifiers
- H03G5/22—Automatic control in untuned amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
- H03G9/10—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406571A US1979035A (en) | 1929-11-12 | 1929-11-12 | Automatic monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR707999A true FR707999A (fr) | 1931-07-17 |
Family
ID=23608563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707999D Expired FR707999A (fr) | 1929-11-12 | 1930-11-10 | Perfectionnements aux dispositifs amplificateurs à décharge électronique |
Country Status (4)
Country | Link |
---|---|
US (1) | US1979035A (fr) |
DE (1) | DE676173C (fr) |
FR (1) | FR707999A (fr) |
GB (1) | GB366937A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE754915C (de) * | 1934-08-04 | 1953-02-23 | Hazeltine Corp | Schaltung zur Verstaerkung elektrischer Schwingungen, besonders zur Niederfrequenzverstaerkung |
US2423368A (en) * | 1943-09-22 | 1947-07-01 | Rca Corp | Voltage regulator |
US2606969A (en) * | 1946-01-17 | 1952-08-12 | Myron T Smith | Method and system for reducing noise in the transmission of electric signals |
US2606971A (en) * | 1946-01-19 | 1952-08-12 | Myron T Smith | Method and system for reducing noise in the transmission of electric signals |
US2606972A (en) * | 1946-01-23 | 1952-08-12 | Myron T Smith | System for reducing noise in the transmission of electric signals |
US2580020A (en) * | 1948-01-06 | 1951-12-25 | Jr John Hays Hammond | Volume expander with timing control |
US2589723A (en) * | 1948-12-09 | 1952-03-18 | Bendix Aviat Corp | Noise suppressor for audio circuits |
US2692306A (en) * | 1949-12-08 | 1954-10-19 | Rca Corp | Audio amplifier with plural automatic gain controls |
US2750451A (en) * | 1951-03-13 | 1956-06-12 | Motorola Inc | Audio system |
DE1154833B (de) * | 1959-01-12 | 1963-09-26 | Telefunken Patent | Mehrstufiger Transistorverstaerker |
US3182271A (en) * | 1960-12-15 | 1965-05-04 | Aiken William Ross | Tone control circuit for emphasizing low volume high and low frequency signals |
-
1929
- 1929-11-12 US US406571A patent/US1979035A/en not_active Expired - Lifetime
-
1930
- 1930-11-10 FR FR707999D patent/FR707999A/fr not_active Expired
- 1930-11-10 GB GB33823/30A patent/GB366937A/en not_active Expired
- 1930-11-12 DE DE1930676173D patent/DE676173C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB366937A (en) | 1932-02-10 |
DE676173C (de) | 1939-05-27 |
US1979035A (en) | 1934-10-30 |
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