BE833365A - ULTRASONIC DISPLACEMENT DETECTOR - Google Patents
ULTRASONIC DISPLACEMENT DETECTORInfo
- 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 (en) | 1974-09-12 | 1974-09-12 | ULTRASONIC MOTION DETECTOR |
Publications (1)
Publication Number | Publication Date |
---|---|
BE833365A true BE833365A (en) | 1975-12-31 |
Family
ID=5925604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE159999A BE833365A (en) | 1974-09-12 | 1975-09-12 | ULTRASONIC DISPLACEMENT DETECTOR |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5153869A (en) |
BE (1) | BE833365A (en) |
DE (1) | DE2443744A1 (en) |
FR (1) | FR2284863A1 (en) |
IT (1) | IT1042415B (en) |
NL (1) | NL7509852A (en) |
SE (1) | SE7510073L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2755619C2 (en) * | 1977-12-14 | 1979-09-27 | Danfoss A/S, Nordborg (Daenemark) | Transceiver switch |
DE4136243A1 (en) * | 1991-01-11 | 1992-07-16 | Telefunken Systemtechnik | INTERIOR SENSOR, PREFERRED FOR MOTOR VEHICLES |
FR2720163B1 (en) * | 1994-05-17 | 1996-06-21 | Valeo Electronique | Method for detecting movement by Doppler effect using ultrasound radiation, device for detecting movement by Doppler effect and anti-intrusion alarm device for the passenger compartment, in particular of a vehicle. |
-
1974
- 1974-09-12 DE DE19742443744 patent/DE2443744A1/en active Pending
-
1975
- 1975-08-19 NL NL7509852A patent/NL7509852A/en unknown
- 1975-09-02 FR FR7526883A patent/FR2284863A1/en not_active Withdrawn
- 1975-09-10 IT IT2707975A patent/IT1042415B/en active
- 1975-09-10 SE SE7510073A patent/SE7510073L/en not_active Application Discontinuation
- 1975-09-11 JP JP11045075A patent/JPS5153869A/en active Pending
- 1975-09-12 BE BE159999A patent/BE833365A/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7510073L (en) | 1976-03-15 |
JPS5153869A (en) | 1976-05-12 |
IT1042415B (en) | 1980-01-30 |
NL7509852A (en) | 1976-03-16 |
FR2284863A1 (en) | 1976-04-09 |
DE2443744A1 (en) | 1976-04-01 |
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