NL6919459A - - Google Patents
Info
- Publication number
- NL6919459A NL6919459A NL6919459A NL6919459A NL6919459A NL 6919459 A NL6919459 A NL 6919459A NL 6919459 A NL6919459 A NL 6919459A NL 6919459 A NL6919459 A NL 6919459A NL 6919459 A NL6919459 A NL 6919459A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/24—Recording seismic data
- G01V1/245—Amplitude control for seismic recording
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Multimedia (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Analogue/Digital Conversion (AREA)
- Amplifiers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78670668A | 1968-12-24 | 1968-12-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6919459A true NL6919459A (de) | 1970-06-26 |
NL162265B NL162265B (nl) | 1979-11-15 |
NL162265C NL162265C (nl) | 1980-04-15 |
Family
ID=25139370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6919459.A NL162265C (nl) | 1968-12-24 | 1969-12-24 | Versterkersysteem. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3603972A (de) |
JP (1) | JPS5129391B1 (de) |
BR (1) | BR6915408D0 (de) |
CH (1) | CH510359A (de) |
FR (1) | FR2027061B1 (de) |
GB (1) | GB1266710A (de) |
NL (1) | NL162265C (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2110758A5 (de) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect | |
US3813609A (en) * | 1972-11-27 | 1974-05-28 | Petty Ray Geophysical Inc | Multiple stage sample normalizing amplifier with automatic gain prediction |
US3852533A (en) * | 1973-01-05 | 1974-12-03 | Vidar Corp | Sampling and analog-to-digital converter apparatus for use in a telephone message metering system |
US3919657A (en) * | 1973-11-12 | 1975-11-11 | Texaco Inc | Wide dynamic range amplifier system with slew rate control |
US3919685A (en) * | 1973-11-26 | 1975-11-11 | Geo Space Corp | Seismic data acquisition system and method |
US4238784A (en) * | 1975-01-23 | 1980-12-09 | Colt Industries Operating Corp. | Electronic measuring system with pulsed power supply and stability sensing |
US4158819A (en) * | 1976-12-10 | 1979-06-19 | Geosource Inc. | Instantaneous floating point amplifier |
US4357577A (en) * | 1976-12-10 | 1982-11-02 | Geosource Inc. | Instantaneous floating point amplifier |
US4725950A (en) * | 1985-06-19 | 1988-02-16 | Syntrak, Inc. | Marine seismic signal processor with D.C. offset compensation method |
JPH0666692B2 (ja) * | 1986-02-13 | 1994-08-24 | クラリオン株式会社 | アナログ−デイジタル変換装置 |
US4823129A (en) * | 1987-02-24 | 1989-04-18 | Bison Instruments, Inc. | Analog-to-digital converter |
FR2626423A1 (fr) * | 1988-01-21 | 1989-07-28 | Inst Francais Du Petrole | Dispositif d'acquisition pour la numerisation de signaux a grande dynamique |
US4824707A (en) * | 1988-06-27 | 1989-04-25 | Donald Spector | Decorative air freshener unit |
EP0691735B1 (de) * | 1994-07-08 | 2000-11-29 | Infineon Technologies AG | Verstärkeranordnung und Empfängerschaltung, die die Verstärkeranordnung enthält |
US7760089B2 (en) | 2007-09-26 | 2010-07-20 | Honeywell International Inc. | Microwave direction of travel detector by parallel sampling |
JP4470995B2 (ja) * | 2007-12-19 | 2010-06-02 | セイコーエプソン株式会社 | A/d変換回路及び電子機器 |
GB201915110D0 (en) * | 2019-10-18 | 2019-12-04 | Bp Exploration Operating Co Ltd | Seismic sensor gain |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3425051A (en) * | 1965-03-10 | 1969-01-28 | Us Air Force | Analog-to-digital converter |
-
1968
- 1968-12-24 US US786706A patent/US3603972A/en not_active Expired - Lifetime
-
1969
- 1969-12-11 GB GB1266710D patent/GB1266710A/en not_active Expired
- 1969-12-19 BR BR215408/69A patent/BR6915408D0/pt unknown
- 1969-12-23 CH CH1922169A patent/CH510359A/de not_active IP Right Cessation
- 1969-12-24 JP JP44103497A patent/JPS5129391B1/ja active Pending
- 1969-12-24 NL NL6919459.A patent/NL162265C/xx active
- 1969-12-24 FR FR696944881A patent/FR2027061B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2027061B1 (de) | 1973-08-10 |
US3603972A (en) | 1971-09-07 |
NL162265B (nl) | 1979-11-15 |
JPS5129391B1 (de) | 1976-08-25 |
CH510359A (de) | 1971-07-15 |
DE1964202B2 (de) | 1975-06-19 |
FR2027061A1 (de) | 1970-09-25 |
GB1266710A (de) | 1972-03-15 |
BR6915408D0 (pt) | 1973-02-22 |
NL162265C (nl) | 1980-04-15 |
DE1964202A1 (de) | 1970-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application |