Shake detecting and drift component removal apparatus
US5617176A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Mar 14, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A shake detecting apparatus includes a shake detecting sensor for detecting a shake and for outputting a shake detection signal responsive to the detected shake. A reference voltage output device is provided for outputting a reference voltage, and a differential amplifying device is provided for amplifying a difference between the shake detection signal output by the shake detecting sensor and the reference voltage output by the reference voltage output device. The differential amplifying device outputs a differential amplified signal, and a reference voltage controller is provided for modifying the reference voltage output by the reference voltage output device according to the differential amplified signal output by the differential amplifying device. A shake signal correcting device is provided for correcting the differential amplified signal output by the differential amplifying device according to the modified reference voltage output by the reference voltage output device, and for outputting a corrected differential amplified signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.