NL163077C - Versterkersysteem. - Google Patents
Versterkersysteem.Info
- Publication number
- NL163077C NL163077C NL6919344.A NL6919344A NL163077C NL 163077 C NL163077 C NL 163077C NL 6919344 A NL6919344 A NL 6919344A NL 163077 C NL163077 C NL 163077C
- Authority
- NL
- Netherlands
- Prior art keywords
- amplifier system
- amplifier
- Prior art date
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)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Geophysics (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Analogue/Digital Conversion (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Control Of Amplification And Gain Control (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78656968A | 1968-12-24 | 1968-12-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6919344A NL6919344A (nl) | 1970-06-26 |
NL163077B NL163077B (nl) | 1980-02-15 |
NL163077C true NL163077C (nl) | 1980-07-15 |
Family
ID=25138960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6919344.A NL163077C (nl) | 1968-12-24 | 1969-12-24 | Versterkersysteem. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3562744A (nl) |
JP (1) | JPS49374B1 (nl) |
BR (1) | BR6915409D0 (nl) |
CH (1) | CH512159A (nl) |
FR (1) | FR2027062B1 (nl) |
GB (1) | GB1266709A (nl) |
NL (1) | NL163077C (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2110758A5 (nl) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect | |
US3919657A (en) * | 1973-11-12 | 1975-11-11 | Texaco Inc | Wide dynamic range amplifier system with slew rate control |
CA1042097A (en) * | 1974-10-21 | 1978-11-07 | Nippon Telegraph And Telephone Public Corporation | Interframe coding system with automatic control of magnitude of interframe difference signal |
US4064480A (en) * | 1975-11-10 | 1977-12-20 | Texaco Inc. | Means and method for recording seismic signals |
US4357577A (en) * | 1976-12-10 | 1982-11-02 | Geosource Inc. | Instantaneous floating point amplifier |
US4158819A (en) * | 1976-12-10 | 1979-06-19 | Geosource Inc. | Instantaneous floating point amplifier |
JPS6256811U (nl) * | 1985-09-30 | 1987-04-08 | ||
DE102010040723B4 (de) * | 2010-09-14 | 2016-01-21 | Siemens Aktiengesellschaft | Bereitstellung eines Wechselsignals |
-
1968
- 1968-12-24 US US786569A patent/US3562744A/en not_active Expired - Lifetime
-
1969
- 1969-12-11 GB GB1266709D patent/GB1266709A/en not_active Expired
- 1969-12-19 BR BR215409/69A patent/BR6915409D0/pt unknown
- 1969-12-23 CH CH1922269A patent/CH512159A/de not_active IP Right Cessation
- 1969-12-24 JP JP44103498A patent/JPS49374B1/ja active Pending
- 1969-12-24 FR FR696944882A patent/FR2027062B1/fr not_active Expired
- 1969-12-24 NL NL6919344.A patent/NL163077C/nl active
Also Published As
Publication number | Publication date |
---|---|
NL163077B (nl) | 1980-02-15 |
US3562744A (en) | 1971-02-09 |
DE1964138A1 (de) | 1970-07-02 |
NL6919344A (nl) | 1970-06-26 |
GB1266709A (nl) | 1972-03-15 |
CH512159A (de) | 1971-08-31 |
FR2027062A1 (nl) | 1970-09-25 |
BR6915409D0 (pt) | 1973-01-04 |
DE1964138B2 (de) | 1975-08-28 |
FR2027062B1 (nl) | 1973-08-10 |
JPS49374B1 (nl) | 1974-01-07 |
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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 |