ES2139535A1 - Digital circuit for use in processing signals from ultrasonic sensors - Google Patents
Digital circuit for use in processing signals from ultrasonic sensorsInfo
- Publication number
- ES2139535A1 ES2139535A1 ES009800448A ES9800448A ES2139535A1 ES 2139535 A1 ES2139535 A1 ES 2139535A1 ES 009800448 A ES009800448 A ES 009800448A ES 9800448 A ES9800448 A ES 9800448A ES 2139535 A1 ES2139535 A1 ES 2139535A1
- Authority
- ES
- Spain
- Prior art keywords
- filter
- digital circuit
- processing signals
- ultrasonic sensors
- longitudinal
- 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.)
- Granted
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
A digital circuit for use in processing signals from ultrasonic sensors consisting of a two-dimensional filter, specially designed for ultrasonic processing applications, having a longitudinal filter 21, a transverse filter 22, an interface with the CPU 20, an address generator 23 and two maximum detectors 24 and 25, the longitudinal filter 21 having 16 stages and the transverse filter 22 having 12 stages, both with programmable coefficients and able to process data from up to 8 sensors, detecting the position and maximum value within the data flow for each sensor by means of the programmable maximum detectors 24 and 24, using data from an external memory where the results of the longitudinal filter are stored.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800448A ES2139535B1 (en) | 1998-03-03 | 1998-03-03 | DIGITAL CIRCUIT APPLICABLE IN THE SIGNAL PROCESS OF ULTRASOUND SENSORS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800448A ES2139535B1 (en) | 1998-03-03 | 1998-03-03 | DIGITAL CIRCUIT APPLICABLE IN THE SIGNAL PROCESS OF ULTRASOUND SENSORS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2139535A1 true ES2139535A1 (en) | 2000-02-01 |
ES2139535B1 ES2139535B1 (en) | 2000-10-16 |
Family
ID=8302973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9800448A Expired - Lifetime ES2139535B1 (en) | 1998-03-03 | 1998-03-03 | DIGITAL CIRCUIT APPLICABLE IN THE SIGNAL PROCESS OF ULTRASOUND SENSORS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2139535B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4222275A (en) * | 1978-10-02 | 1980-09-16 | Dapco Industries, Inc. | System for non-destructively acquiring and processing information about a test piece |
US4234937A (en) * | 1976-08-03 | 1980-11-18 | Indianapolis Center For Advanced Research | Peak detector for resolution enhancement of ultrasonic visualization systems |
JPH06258239A (en) * | 1993-03-09 | 1994-09-16 | Hitachi Ltd | Defect detecting device and method thereof |
JPH07200830A (en) * | 1993-12-28 | 1995-08-04 | Dainippon Screen Mfg Co Ltd | Defect checking device |
-
1998
- 1998-03-03 ES ES9800448A patent/ES2139535B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234937A (en) * | 1976-08-03 | 1980-11-18 | Indianapolis Center For Advanced Research | Peak detector for resolution enhancement of ultrasonic visualization systems |
US4222275A (en) * | 1978-10-02 | 1980-09-16 | Dapco Industries, Inc. | System for non-destructively acquiring and processing information about a test piece |
JPH06258239A (en) * | 1993-03-09 | 1994-09-16 | Hitachi Ltd | Defect detecting device and method thereof |
JPH07200830A (en) * | 1993-12-28 | 1995-08-04 | Dainippon Screen Mfg Co Ltd | Defect checking device |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, CD-ROM, PAJ 1994 [06-241601/06-276800] / 108 & JP 6258239 A (HITACHI LTD) 16.09.1994 * |
PATENT ABSTRACTS OF JAPAN, CD-ROM, PAJ 1995 - 11 [011] [07-194201/07-231700] & JP 7200830 A (DAINIPPON SCREEN MFG CO LTD) 04.08.1995 * |
Also Published As
Publication number | Publication date |
---|---|
ES2139535B1 (en) | 2000-10-16 |
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