Negative film image conversion apparatus for video camera

Details Negative film image conversion apparatus for video camera Negative film image conversion apparatus for video camera

1994-06-24

1995-08-15

Groody, James J.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348578, 348708, H04N 5262

Patent

active

054423929

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.

REFERENCES:
patent: 4630116 (1986-12-01), Isogawa
patent: 4635101 (1987-01-01), Nakayama
patent: 4866513 (1989-12-01), Takahashi
patent: 5053874 (1991-10-01), Stekelenburg
patent: 5198892 (1993-03-01), Misawa
patent: 5311322 (1994-05-01), Okino

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