BE833365A - Detecteur de deplacements a ultrasons - Google Patents
Detecteur de deplacements a ultrasonsInfo
- Publication number
- BE833365A BE833365A BE159999A BE159999A BE833365A BE 833365 A BE833365 A BE 833365A BE 159999 A BE159999 A BE 159999A BE 159999 A BE159999 A BE 159999A BE 833365 A BE833365 A BE 833365A
- Authority
- BE
- Belgium
- Prior art keywords
- displacement detector
- ultrasonic displacement
- ultrasonic
- detector
- displacement
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
- G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
-
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
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 |
|---|---|---|---|
| DE19742443744 DE2443744A1 (de) | 1974-09-12 | 1974-09-12 | Ultraschall-bewegungsdetektor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE833365A true BE833365A (fr) | 1975-12-31 |
Family
ID=5925604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE159999A BE833365A (fr) | 1974-09-12 | 1975-09-12 | Detecteur de deplacements a ultrasons |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5153869A (fr) |
| BE (1) | BE833365A (fr) |
| DE (1) | DE2443744A1 (fr) |
| FR (1) | FR2284863A1 (fr) |
| IT (1) | IT1042415B (fr) |
| NL (1) | NL7509852A (fr) |
| SE (1) | SE7510073L (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2755619C2 (de) * | 1977-12-14 | 1979-09-27 | Danfoss A/S, Nordborg (Daenemark) | Sendeempfangsweiche |
| EP0494349A3 (en) * | 1991-01-11 | 1992-11-19 | Telefunken Systemtechnik Gmbh | Sensor for an interior, particularly in a motor vehicle |
| FR2720163B1 (fr) * | 1994-05-17 | 1996-06-21 | Valeo Electronique | Procédé de détection de mouvement par effet Doppler à l'aide d'un rayonnement ultrasonore, dispositif de détection de mouvement par effet Doppler et dispositif d'alarme anti-intrusion pour habitacle notamment de véhicule. |
-
1974
- 1974-09-12 DE DE19742443744 patent/DE2443744A1/de active Pending
-
1975
- 1975-08-19 NL NL7509852A patent/NL7509852A/xx unknown
- 1975-09-02 FR FR7526883A patent/FR2284863A1/fr not_active Withdrawn
- 1975-09-10 SE SE7510073A patent/SE7510073L/ not_active Application Discontinuation
- 1975-09-10 IT IT2707975A patent/IT1042415B/it active
- 1975-09-11 JP JP11045075A patent/JPS5153869A/ja active Pending
- 1975-09-12 BE BE159999A patent/BE833365A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1042415B (it) | 1980-01-30 |
| NL7509852A (nl) | 1976-03-16 |
| JPS5153869A (ja) | 1976-05-12 |
| SE7510073L (sv) | 1976-03-15 |
| DE2443744A1 (de) | 1976-04-01 |
| FR2284863A1 (fr) | 1976-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE410141B (sv) | Ultraljudsanordning | |
| BE828058A (fr) | Catheter a eversion | |
| FR2294690A1 (fr) | Composes thiazo-lylacetamido | |
| AR222622A1 (es) | Un aparato de perfilaje de pozos | |
| IT1039561B (it) | Trasduttori ad estensimetro | |
| AR214387A1 (es) | Un dispositivo de direccionamiento flotante | |
| SE417262B (sv) | M-fasvexelstromsmaskin | |
| BE825577A (fr) | Appareil a toupiller | |
| SE412310B (sv) | Anordning for ultraljud - eko - encefalografi | |
| PL96711B1 (pl) | Srodek chwastobojczy | |
| BE829334A (fr) | Fenetre a tabatiere | |
| IT1036142B (it) | Innesto a frizione | |
| FR2294925A1 (fr) | Cagette a claires-voies | |
| BE833365A (fr) | Detecteur de deplacements a ultrasons | |
| IT1021477B (it) | Dispositivo a raggi x | |
| FR2286259A1 (fr) | Tribune a gradins | |
| SE424554B (sv) | Termoplastiska poysiloxanelaster | |
| IT1048468B (it) | Trasduttore elttrofluidico | |
| SE418763B (sv) | Radialkolvmaskin | |
| FR2281935A1 (fr) | Composes organoaluminiques | |
| SE7512026L (sv) | Avkenningsdon | |
| FR2276206A1 (fr) | Mecanisme de detection hydrostatique | |
| JPS5154539A (ja) | Tetoraburomuubisufuenooru a no seiseihoho | |
| IT1042960B (it) | Dispositivo a bacla | |
| IT1049984B (it) | Dispositivo programmatore a fotosequenza |