DE3910715A1 - Infraschalldetektor - Google Patents
InfraschalldetektorInfo
- Publication number
- DE3910715A1 DE3910715A1 DE19893910715 DE3910715A DE3910715A1 DE 3910715 A1 DE3910715 A1 DE 3910715A1 DE 19893910715 DE19893910715 DE 19893910715 DE 3910715 A DE3910715 A DE 3910715A DE 3910715 A1 DE3910715 A1 DE 3910715A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- voltage
- sensor
- output
- amplifier
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000005236 sound signal Effects 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
- G08B13/20—Actuation by change of fluid pressure
-
- 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
- G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893910715 DE3910715A1 (de) | 1989-04-03 | 1989-04-03 | Infraschalldetektor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893910715 DE3910715A1 (de) | 1989-04-03 | 1989-04-03 | Infraschalldetektor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3910715A1 true DE3910715A1 (de) | 1990-10-04 |
| DE3910715C2 DE3910715C2 (enExample) | 1992-06-17 |
Family
ID=6377718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893910715 Granted DE3910715A1 (de) | 1989-04-03 | 1989-04-03 | Infraschalldetektor |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3910715A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359218B4 (de) * | 2003-12-17 | 2017-09-14 | Robert Bosch Gmbh | Rückhaltesystem für den Schutz von Fahrzeuginsassen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10014497C1 (de) * | 2000-03-23 | 2001-08-09 | Daimler Chrysler Ag | System zur Steigerung der Kondition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534277A1 (de) * | 1985-02-11 | 1987-04-02 | Fritz Wurm | Apparat und verfahren zum zwecke der raum- und gebaeudeueberwachung mit hilfe von infra-schall |
-
1989
- 1989-04-03 DE DE19893910715 patent/DE3910715A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534277A1 (de) * | 1985-02-11 | 1987-04-02 | Fritz Wurm | Apparat und verfahren zum zwecke der raum- und gebaeudeueberwachung mit hilfe von infra-schall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359218B4 (de) * | 2003-12-17 | 2017-09-14 | Robert Bosch Gmbh | Rückhaltesystem für den Schutz von Fahrzeuginsassen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3910715C2 (enExample) | 1992-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: WEILAND, HEINZ-PETER, 5600 WUPPERTAL, DE |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |