NL7210864A - - Google Patents
Info
- Publication number
- NL7210864A NL7210864A NL7210864A NL7210864A NL7210864A NL 7210864 A NL7210864 A NL 7210864A NL 7210864 A NL7210864 A NL 7210864A NL 7210864 A NL7210864 A NL 7210864A NL 7210864 A NL7210864 A NL 7210864A
- 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
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/34—Displaying seismic recordings or visualisation of seismic data or attributes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Analogue/Digital Conversion (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4265370A | 1970-06-02 | 1970-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7210864A true NL7210864A (cg-RX-API-DMAC7.html) | 1974-02-12 |
Family
ID=21923065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7210864A NL7210864A (cg-RX-API-DMAC7.html) | 1970-06-02 | 1972-08-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3685046A (cg-RX-API-DMAC7.html) |
| CH (1) | CH575681A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2236050C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2195872A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1363346A (cg-RX-API-DMAC7.html) |
| NL (1) | NL7210864A (cg-RX-API-DMAC7.html) |
| OA (1) | OA04146A (cg-RX-API-DMAC7.html) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2112726A5 (cg-RX-API-DMAC7.html) * | 1970-11-06 | 1972-06-23 | Sercel Rech Const Elect | |
| US3906487A (en) * | 1972-10-10 | 1975-09-16 | Digital Data Systems | Digital AGC for playback of digitally recorded data |
| DE2430018C3 (de) * | 1974-06-22 | 1980-03-13 | Deutsche Texaco Ag, 2000 Hamburg | Anordnung zur stufenlosen Kompression digital gespeicherter Datenfolgen zwecks analoger Wiedergabe |
| US4048635A (en) * | 1975-09-15 | 1977-09-13 | Texaco Inc. | Seismic playback/monitor system |
| US4177457A (en) * | 1977-12-12 | 1979-12-04 | Texaco Inc. | Floating point playback system |
| DE2939617C2 (de) * | 1979-09-29 | 1986-02-06 | Edotronik Gesellschaft für Elektronik-Systeme mbH & Co Optoelektronik KG, 8000 München | Vorrichtung zur schnellen und verzerrungsfreien Umwandlung der von einem Detektor erzeugten analogen Ultraschallprüfsignale in digitale Signale |
| US4873492A (en) * | 1988-12-05 | 1989-10-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Amplifier with modulated resistor gain control |
| US5012449A (en) * | 1989-06-30 | 1991-04-30 | Ferranti O.R.E. Inc. | Sonic flow meter |
| US5061927A (en) * | 1990-07-31 | 1991-10-29 | Q-Dot, Inc. | Floating point analog to digital converter |
| US5642327A (en) * | 1994-06-08 | 1997-06-24 | Exxon Production Research Company | Method for creating a gain function for seismic data and method for processing seismic data |
| US11327187B2 (en) | 2019-03-26 | 2022-05-10 | King Fahd University Of Petroleum And Minerals | Functional quantization based data compression in seismic acquisition |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3325802A (en) * | 1964-09-04 | 1967-06-13 | Burroughs Corp | Complex pattern generation apparatus |
| US3376557A (en) * | 1965-05-10 | 1968-04-02 | Leach Corp | Digital data acquisition system with amplifiers having automatic binary gain controlcircuits |
| US3555540A (en) * | 1966-08-08 | 1971-01-12 | Sds Data Systems | Digital-to-analog converter with smooth recovery |
| US3458859A (en) * | 1968-01-15 | 1969-07-29 | Texas Instruments Inc | Binary gain recovery |
-
1970
- 1970-06-02 US US42653A patent/US3685046A/en not_active Expired - Lifetime
-
1972
- 1972-07-22 DE DE2236050A patent/DE2236050C3/de not_active Expired
- 1972-07-26 CH CH1117472A patent/CH575681A5/xx not_active IP Right Cessation
- 1972-07-27 GB GB3512772A patent/GB1363346A/en not_active Expired
- 1972-08-08 FR FR7228559A patent/FR2195872A1/fr not_active Withdrawn
- 1972-08-09 NL NL7210864A patent/NL7210864A/xx not_active Application Discontinuation
- 1972-08-09 OA OA54654A patent/OA04146A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2236050B2 (de) | 1978-04-06 |
| US3685046A (en) | 1972-08-15 |
| GB1363346A (en) | 1974-08-14 |
| CH575681A5 (cg-RX-API-DMAC7.html) | 1976-05-14 |
| OA04146A (fr) | 1979-12-15 |
| DE2236050C3 (de) | 1978-11-23 |
| DE2236050A1 (de) | 1974-02-07 |
| FR2195872A1 (cg-RX-API-DMAC7.html) | 1974-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |