Sound discriminator tester
US4552022A · kind A · utility
2Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 1982 |
| Grant date | Nov 12, 1985 |
| Priority date | — |
| Expiry date | May 10, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01H3/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for selecting the proper sensitivity and acceptable background noise level for sound discrimination switches used for detection of selected sounds where the detection device includes peak signal detectors to receive audio voltage generated by the selected sounds and activate an alarm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.