DE69008672D1 - Selbstanpassender Ultraschall-Diebstahlschutz. - Google Patents
Selbstanpassender Ultraschall-Diebstahlschutz.Info
- Publication number
- DE69008672D1 DE69008672D1 DE69008672T DE69008672T DE69008672D1 DE 69008672 D1 DE69008672 D1 DE 69008672D1 DE 69008672 T DE69008672 T DE 69008672T DE 69008672 T DE69008672 T DE 69008672T DE 69008672 D1 DE69008672 D1 DE 69008672D1
- Authority
- DE
- Germany
- Prior art keywords
- adapting
- ultrasound
- self
- theft protection
- theft
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
- B60R25/1009—Sonic sensors; Signal treatment therefor
-
- 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
- G08B13/1636—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using pulse-type detection circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8914940A FR2654399B1 (fr) | 1989-11-14 | 1989-11-14 | Antivol a ultrasons auto-adaptatif. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69008672D1 true DE69008672D1 (de) | 1994-06-09 |
DE69008672T2 DE69008672T2 (de) | 1994-08-25 |
Family
ID=9387395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1990608672 Expired - Fee Related DE69008672T2 (de) | 1989-11-14 | 1990-11-05 | Selbstanpassender Ultraschall-Diebstahlschutz. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0428432B1 (de) |
DE (1) | DE69008672T2 (de) |
ES (1) | ES2055886T3 (de) |
FR (1) | FR2654399B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE508953C2 (sv) * | 1996-02-29 | 1998-11-16 | Volvo Ab | Larmsystem |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2050022A (en) * | 1979-05-02 | 1980-12-31 | Moser M | Intruder Alarm |
GB2085626A (en) * | 1980-08-11 | 1982-04-28 | Davco Instrumentation & Securi | Movement detector |
US4639902A (en) * | 1985-06-24 | 1987-01-27 | The United States Of America As Represented By The Secretary Of The Navy | Near ultrasonic pattern comparison intrusion detector |
-
1989
- 1989-11-14 FR FR8914940A patent/FR2654399B1/fr not_active Expired - Fee Related
-
1990
- 1990-11-05 ES ES90403113T patent/ES2055886T3/es not_active Expired - Lifetime
- 1990-11-05 EP EP19900403113 patent/EP0428432B1/de not_active Expired - Lifetime
- 1990-11-05 DE DE1990608672 patent/DE69008672T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2654399B1 (fr) | 1995-04-21 |
EP0428432A1 (de) | 1991-05-22 |
ES2055886T3 (es) | 1994-09-01 |
EP0428432B1 (de) | 1994-05-04 |
DE69008672T2 (de) | 1994-08-25 |
FR2654399A1 (fr) | 1991-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |