Negative film image conversion apparatus for video camera
US5442392A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 24, 1994 |
| Grant date | Aug 15, 1995 |
| Priority date | — |
| Expiry date | Jun 24, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A negative film image conversion apparatus for a video camera which is capable of obtaining an image of the same color and luminance as those of a real image upon shooting of a negative film as well as a general object. The negative film image conversion apparatus comprises a signal processor for obtaining a luminance signal and a plurality of color difference signals from an image signal inputted therein, a subtracter for subtracting the luminance signal from the signal processor from a predetermined reference signal, inverters for inverting the plurality of color difference signals from the signal processor, individually, and an encoder for combining output signals from the subtracter and the inverters and outputting the combined signal as a composite video signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.