DE9203004U1 - Umgebungsstörungs-Abtastvorrichtung - Google Patents
Umgebungsstörungs-AbtastvorrichtungInfo
- Publication number
- DE9203004U1 DE9203004U1 DE9203004U DE9203004U DE9203004U1 DE 9203004 U1 DE9203004 U1 DE 9203004U1 DE 9203004 U DE9203004 U DE 9203004U DE 9203004 U DE9203004 U DE 9203004U DE 9203004 U1 DE9203004 U1 DE 9203004U1
- Authority
- DE
- Germany
- Prior art keywords
- audio frequency
- sampling device
- rectifier
- amplifier
- sensing device
- 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 - Lifetime
Links
- 230000007613 environmental effect Effects 0.000 title claims description 8
- 238000005070 sampling Methods 0.000 claims description 14
- 230000005236 sound signal Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 10
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009118 appropriate response Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005316 response function Methods 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
- G08B13/16—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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9203004U DE9203004U1 (de) | 1992-03-06 | 1992-03-06 | Umgebungsstörungs-Abtastvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9203004U DE9203004U1 (de) | 1992-03-06 | 1992-03-06 | Umgebungsstörungs-Abtastvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9203004U1 true DE9203004U1 (de) | 1992-07-16 |
Family
ID=6876947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9203004U Expired - Lifetime DE9203004U1 (de) | 1992-03-06 | 1992-03-06 | Umgebungsstörungs-Abtastvorrichtung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE9203004U1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2770670A1 (fr) * | 1997-11-03 | 1999-05-07 | Omega Conception Et Systeme | Procede et dispositif d'alarme utilisant une detection sonore basse frequence |
-
1992
- 1992-03-06 DE DE9203004U patent/DE9203004U1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2770670A1 (fr) * | 1997-11-03 | 1999-05-07 | Omega Conception Et Systeme | Procede et dispositif d'alarme utilisant une detection sonore basse frequence |
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