NL145074B - SECURITY DEVICE FOR ARVES, SAFES OR SIMILAR CONSTRUCTIONS. - Google Patents
SECURITY DEVICE FOR ARVES, SAFES OR SIMILAR CONSTRUCTIONS.Info
- Publication number
- NL145074B NL145074B NL707004561A NL7004561A NL145074B NL 145074 B NL145074 B NL 145074B NL 707004561 A NL707004561 A NL 707004561A NL 7004561 A NL7004561 A NL 7004561A NL 145074 B NL145074 B NL 145074B
- Authority
- NL
- Netherlands
- Prior art keywords
- arves
- safes
- security device
- similar constructions
- constructions
- 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
- G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
- G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Building Environments (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81268969A | 1969-04-02 | 1969-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7004561A NL7004561A (en) | 1970-10-06 |
NL145074B true NL145074B (en) | 1975-02-17 |
Family
ID=25210349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL707004561A NL145074B (en) | 1969-04-02 | 1970-03-31 | SECURITY DEVICE FOR ARVES, SAFES OR SIMILAR CONSTRUCTIONS. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3618062A (en) |
BE (1) | BE746999A (en) |
DE (1) | DE2011857A1 (en) |
FR (1) | FR2042092A5 (en) |
GB (1) | GB1285786A (en) |
NL (1) | NL145074B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH594943A5 (en) * | 1976-09-09 | 1978-01-31 | Spirig Ernst | |
US4401909A (en) * | 1981-04-03 | 1983-08-30 | Dickey-John Corporation | Grain sensor using a piezoelectric element |
EP0218341A1 (en) * | 1985-08-22 | 1987-04-15 | Philip Young | Alarm for a blind |
US5371719A (en) * | 1992-05-22 | 1994-12-06 | Sentry Products, Inc. | High security ultrasonic receiver apparatus |
GB2271873B (en) * | 1992-09-03 | 1997-02-26 | Josef Petr Prokopius | Electronic burglar alarm system |
US5461363A (en) * | 1993-02-11 | 1995-10-24 | Chang; Ming-Sheng | Alarm apparatus containing security and safety monitors |
GB2300263B (en) * | 1995-04-28 | 1999-10-27 | Josef Petr Prokopius | Piezo electric detection system for security devices |
DE29722430U1 (en) * | 1997-12-18 | 1998-02-26 | Siemens AG, 80333 München | Room monitoring device |
GB2343283A (en) * | 1998-10-28 | 2000-05-03 | Robert William Wilkinson | A fuel tank alarm system |
US20110255850A1 (en) * | 2010-04-19 | 2011-10-20 | Richard Hung Minh Dinh | Electronic subassemblies for electronic devices |
CN108305610B (en) * | 2018-03-23 | 2024-02-20 | 苏州登堡电子科技有限公司 | Split wall vibration sound transmission device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US640273A (en) * | 1897-09-03 | 1900-01-02 | Bankers Electric Protective Company | Acoustic alarm system. |
US1762973A (en) * | 1926-04-28 | 1930-06-10 | Bell Telephone Labor Inc | Alarm system |
US3366749A (en) * | 1964-04-09 | 1968-01-30 | Allen Alan A | Audio transducer |
US3423543A (en) * | 1965-06-24 | 1969-01-21 | Harry W Kompanek | Loudspeaker with piezoelectric wafer driving elements |
US3487396A (en) * | 1966-03-11 | 1969-12-30 | Franklin M Perelman | Intrusion vibration detector with ambient noise compensator |
-
1969
- 1969-04-02 US US812689A patent/US3618062A/en not_active Expired - Lifetime
-
1970
- 1970-01-22 GB GB3224/70A patent/GB1285786A/en not_active Expired
- 1970-03-06 BE BE746999D patent/BE746999A/en not_active IP Right Cessation
- 1970-03-09 FR FR7008391A patent/FR2042092A5/fr not_active Expired
- 1970-03-12 DE DE19702011857 patent/DE2011857A1/en active Pending
- 1970-03-31 NL NL707004561A patent/NL145074B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3618062A (en) | 1971-11-02 |
GB1285786A (en) | 1972-08-16 |
FR2042092A5 (en) | 1971-02-05 |
DE2011857A1 (en) | 1970-10-08 |
BE746999A (en) | 1970-09-07 |
NL7004561A (en) | 1970-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: AMERICAN DISTR |