FR1566517A - - Google Patents
Info
- Publication number
- FR1566517A FR1566517A FR1566517DA FR1566517A FR 1566517 A FR1566517 A FR 1566517A FR 1566517D A FR1566517D A FR 1566517DA FR 1566517 A FR1566517 A FR 1566517A
- Authority
- FR
- France
- 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
- 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
-
- 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
- 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
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)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR143429 | 1968-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1566517A true FR1566517A (de) | 1969-05-09 |
Family
ID=8647348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1566517D Expired FR1566517A (de) | 1968-03-12 | 1968-03-12 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE729163A (de) |
DE (1) | DE1912282B2 (de) |
ES (1) | ES364653A1 (de) |
FR (1) | FR1566517A (de) |
LU (1) | LU58164A1 (de) |
NL (1) | NL6903733A (de) |
-
1968
- 1968-03-12 FR FR1566517D patent/FR1566517A/fr not_active Expired
-
1969
- 1969-02-28 BE BE729163D patent/BE729163A/xx unknown
- 1969-03-07 LU LU58164D patent/LU58164A1/xx unknown
- 1969-03-11 DE DE19691912282 patent/DE1912282B2/de active Pending
- 1969-03-11 NL NL6903733A patent/NL6903733A/xx unknown
- 1969-03-12 ES ES364653A patent/ES364653A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1912282B2 (de) | 1971-03-04 |
BE729163A (de) | 1969-08-01 |
ES364653A1 (es) | 1970-12-16 |
NL6903733A (de) | 1969-09-16 |
LU58164A1 (de) | 1969-07-09 |
DE1912282A1 (de) | 1969-09-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |