BE669870A - - Google Patents
Info
- Publication number
- BE669870A BE669870A BE669870A BE669870A BE669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/04—Systems determining presence of a target
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S73/00—Measuring and testing
- Y10S73/04—Piezoelectric
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US820691A US3042899A (en) | 1959-06-16 | 1959-06-16 | Ultrasonic vehicle detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE669870A true BE669870A (es) | 1966-01-17 |
Family
ID=25231481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE669870A BE669870A (es) | 1959-06-16 | 1965-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3042899A (es) |
| BE (1) | BE669870A (es) |
| FR (1) | FR1262802A (es) |
| GB (1) | GB953872A (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2441226A1 (fr) * | 1978-11-09 | 1980-06-06 | Gen Electric | Procede et dispositif de detection d'intrusion |
| FR2441225A1 (fr) * | 1978-11-09 | 1980-06-06 | Gen Electric | Procede et dispositif de detection d'intrusion par echo d'impulsion |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149561A (en) * | 1961-02-23 | 1964-09-22 | Pannier Corp | Apparatus for supersonically specifically locating and printing on objects |
| DE1218194B (de) * | 1961-08-22 | 1966-06-02 | Electroacustic Gmbh | Verfahren und Vorrichtung zur Fahrzeug-Verkehrskontrolle |
| US3251990A (en) * | 1961-12-28 | 1966-05-17 | Gen Signal Corp | Vehicle detection and control system |
| NL301217A (es) * | 1963-01-23 | |||
| GB1071635A (en) * | 1963-03-02 | 1967-06-07 | Ultra Electronics Ltd | Ultrasonic position sensing equipment |
| US3264878A (en) * | 1965-10-07 | 1966-08-09 | Pittsburgh Plate Glass Co | Automatic glass area measuring device |
| US3382480A (en) * | 1966-07-06 | 1968-05-07 | Thomas K. Tsao | Method of detecting traffic |
| US3756078A (en) * | 1970-06-29 | 1973-09-04 | Yokogawa Electric Works Ltd | Current meter or flow meter |
| JPS5136076B1 (es) * | 1970-12-31 | 1976-10-06 | ||
| JPS4860656A (es) * | 1971-11-12 | 1973-08-25 | ||
| US3960007A (en) * | 1974-09-27 | 1976-06-01 | Swensen Eugene T | Ultrasonic standing wave sensor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR956864A (es) * | 1946-09-05 | 1950-02-09 | ||
| US2594276A (en) * | 1950-08-26 | 1952-04-29 | Eastern Ind Inc | Electronic circuit |
| US2815504A (en) * | 1951-04-17 | 1957-12-03 | Itt | Selective gate system for radar beacons |
| US2740112A (en) * | 1952-05-28 | 1956-03-27 | Bendix Aviat Corp | Automatic range gate |
| US2814725A (en) * | 1953-05-21 | 1957-11-26 | Hughes Aircraft Co | Time discriminator |
| US2844763A (en) * | 1954-11-19 | 1958-07-22 | Robert L Wyckoff | Coincidence triggered gate generator |
| US2837644A (en) * | 1955-07-15 | 1958-06-03 | Hughes Aircraft Co | Time discriminator |
-
1959
- 1959-06-16 US US820691A patent/US3042899A/en not_active Expired - Lifetime
-
1960
- 1960-05-12 GB GB16790/60A patent/GB953872A/en not_active Expired
- 1960-06-15 FR FR830100A patent/FR1262802A/fr not_active Expired
-
1965
- 1965-09-20 BE BE669870A patent/BE669870A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2441226A1 (fr) * | 1978-11-09 | 1980-06-06 | Gen Electric | Procede et dispositif de detection d'intrusion |
| FR2441225A1 (fr) * | 1978-11-09 | 1980-06-06 | Gen Electric | Procede et dispositif de detection d'intrusion par echo d'impulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| GB953872A (en) | 1964-04-02 |
| US3042899A (en) | 1962-07-03 |
| FR1262802A (fr) | 1961-06-05 |