GB2144287B - Analog-to-digital converters for seismometers - Google Patents
Analog-to-digital converters for seismometersInfo
- Publication number
- GB2144287B GB2144287B GB08418210A GB8418210A GB2144287B GB 2144287 B GB2144287 B GB 2144287B GB 08418210 A GB08418210 A GB 08418210A GB 8418210 A GB8418210 A GB 8418210A GB 2144287 B GB2144287 B GB 2144287B
- Authority
- GB
- United Kingdom
- Prior art keywords
- seismometers
- analog
- digital converters
- converters
- digital
- 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
-
- 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
- G01V1/247—Digital recording of seismic data, e.g. in acquisition units or nodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/56—Input signal compared with linear ramp
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/32—Analogue/digital converters pattern-reading type using cathode-ray tubes or analoguous two-dimensional deflection systems
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Theoretical Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08418210A GB2144287B (en) | 1983-07-22 | 1984-07-17 | Analog-to-digital converters for seismometers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838319811A GB8319811D0 (en) | 1983-07-22 | 1983-07-22 | Seismometer |
GB08418210A GB2144287B (en) | 1983-07-22 | 1984-07-17 | Analog-to-digital converters for seismometers |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8418210D0 GB8418210D0 (en) | 1984-08-22 |
GB2144287A GB2144287A (en) | 1985-02-27 |
GB2144287B true GB2144287B (en) | 1986-10-15 |
Family
ID=26286672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08418210A Expired GB2144287B (en) | 1983-07-22 | 1984-07-17 | Analog-to-digital converters for seismometers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2144287B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103814525A (en) * | 2011-09-21 | 2014-05-21 | 高通股份有限公司 | Systems and methods for designing ADC based on probabilistic switching of memories |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616711A1 (en) * | 1986-05-20 | 1987-11-26 | Siemens Ag | SIGNALER |
GB2221990B (en) * | 1988-08-17 | 1992-04-08 | Shorrock Ltd | Intrusion detection system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3436756A (en) * | 1965-12-30 | 1969-04-01 | Monsanto Co | Voltage to time-interval converter |
FR1507195A (en) * | 1966-08-30 | 1967-12-29 | Labo Cent Telecommunicat | Coding device for wideband signals |
US3665305A (en) * | 1970-02-24 | 1972-05-23 | United Systems Corp | Analog to digital converter with automatic calibration |
GB1301251A (en) * | 1971-01-15 | 1972-12-29 | ||
GB1397288A (en) * | 1972-12-05 | 1975-06-11 | Comark Data Group | Analogue to digital converters |
US4077030A (en) * | 1976-02-19 | 1978-02-28 | The Bendix Corporation | Sensor data input by means of analog to pulse width-to digital converter |
-
1984
- 1984-07-17 GB GB08418210A patent/GB2144287B/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103814525A (en) * | 2011-09-21 | 2014-05-21 | 高通股份有限公司 | Systems and methods for designing ADC based on probabilistic switching of memories |
CN103814525B (en) * | 2011-09-21 | 2016-12-21 | 高通股份有限公司 | The system and method for ADC is designed for probability switching based on memorizer |
Also Published As
Publication number | Publication date |
---|---|
GB2144287A (en) | 1985-02-27 |
GB8418210D0 (en) | 1984-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20000717 |