NL137413C - - Google Patents
Info
- Publication number
- NL137413C NL137413C NL137413DA NL137413C NL 137413 C NL137413 C NL 137413C NL 137413D A NL137413D A NL 137413DA NL 137413 C NL137413 C NL 137413C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/001—Acoustic 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
- G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
- G08B13/1663—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using seismic sensing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR831580A FR1269273A (fr) | 1960-06-30 | 1960-06-30 | Perfectionnements aux systèmes électriques de surveillance et d'alarme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL137413C true NL137413C (fr) |
Family
ID=8734535
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266481D NL266481A (fr) | 1960-06-30 | ||
| NL137413D NL137413C (fr) | 1960-06-30 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266481D NL266481A (fr) | 1960-06-30 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH373284A (fr) |
| DE (1) | DE1249126B (fr) |
| FR (1) | FR1269273A (fr) |
| GB (1) | GB942848A (fr) |
| NL (2) | NL137413C (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258762A (en) * | 1966-06-28 | Bistable multivibrator means | ||
| US3296587A (en) * | 1963-02-20 | 1967-01-03 | Texas Instruments Inc | Intrusion detector system |
| US3273138A (en) * | 1964-04-28 | 1966-09-13 | Sonus Corp | Swimming pool monitor |
| US3806907A (en) * | 1972-03-23 | 1974-04-23 | Texas Instruments Inc | Perimeter intrusion detection system with common mode rejection |
| GB1573446A (en) * | 1976-03-16 | 1980-08-20 | Elliott Bros | Intruder alarm systems |
| US4521768A (en) * | 1982-04-08 | 1985-06-04 | Elsec Electronic Security Systems Ltd. | Intrusion detector |
| US4928085A (en) * | 1983-02-23 | 1990-05-22 | Bluegrass Electronics, Inc. | Pressure change intrusion detector |
| US5185593A (en) * | 1983-02-23 | 1993-02-09 | Bluegrass Electronics, Inc. | Dual pressure change intrusion detector |
| FR2556860B1 (fr) * | 1983-12-16 | 1986-04-11 | Thomson Csf | Dispositif de detection d'intrus |
| FR2804530B1 (fr) * | 2000-01-28 | 2003-06-06 | Conseil En Technologies Innova | Dispositif de detection, notamment pour la protection peripherique d'un lieu a surveiller |
-
0
- NL NL266481D patent/NL266481A/xx unknown
- NL NL137413D patent/NL137413C/xx active
- DE DENDAT1249126D patent/DE1249126B/de active Pending
-
1960
- 1960-06-30 FR FR831580A patent/FR1269273A/fr not_active Expired
-
1961
- 1961-06-12 CH CH680461A patent/CH373284A/fr unknown
- 1961-06-30 GB GB2380961A patent/GB942848A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1269273A (fr) | 1961-08-11 |
| NL266481A (fr) | |
| GB942848A (en) | 1963-11-27 |
| DE1249126B (fr) | |
| CH373284A (fr) | 1963-11-15 |