Video camera and video signal reproducing apparatus with shake detection and correction operation
US5502484A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 14, 1995 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Jul 14, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/683
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video camera includes a lens for collecting a light from an object to be photographed; an image pickup device for converting the light collected by the lens into an electric signal; an analog to digital converting circuit for converting the electric signal from the image pickup device into a digital signal; a memory circuit for storing the digital signal obtained by the analog to digital conversion; a shake detector for detecting a shake of the video camera; calculating unit for obtaining a correction amount from an output signal of the shake detector; a correcting unit for correcting a shake of an image accompanied with a slight shake of a body of the video camera on the basis of an output signal of the calculating means; a zoom system for enlarging or reducing the object to be photographed; and a control unit for changing the correcting unit in accordance with a change of zoom of the zoom system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.