DE1249126B - - Google Patents
Info
- Publication number
- DE1249126B DE1249126B DENDAT1249126D DE1249126DA DE1249126B DE 1249126 B DE1249126 B DE 1249126B DE NDAT1249126 D DENDAT1249126 D DE NDAT1249126D DE 1249126D A DE1249126D A DE 1249126DA DE 1249126 B DE1249126 B DE 1249126B
- Authority
- DE
- Germany
- Prior art keywords
- seismograph
- alarm system
- amplifier
- filter
- alarm
- 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.)
- Pending
Links
- 230000010354 integration Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000037007 arousal Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Burglar Alarm Systems (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 |
|---|---|
| DE1249126B true DE1249126B (enrdf_load_stackoverflow) |
Family
ID=8734535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1249126D Pending DE1249126B (enrdf_load_stackoverflow) | 1960-06-30 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH373284A (enrdf_load_stackoverflow) |
| DE (1) | DE1249126B (enrdf_load_stackoverflow) |
| FR (1) | FR1269273A (enrdf_load_stackoverflow) |
| GB (1) | GB942848A (enrdf_load_stackoverflow) |
| NL (2) | NL137413C (enrdf_load_stackoverflow) |
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
- DE DENDAT1249126D patent/DE1249126B/de active Pending
- NL NL137413D patent/NL137413C/xx active
-
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 |
|---|---|
| CH373284A (fr) | 1963-11-15 |
| NL137413C (enrdf_load_stackoverflow) | |
| GB942848A (en) | 1963-11-27 |
| NL266481A (enrdf_load_stackoverflow) | |
| FR1269273A (fr) | 1961-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |