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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ichimura; Hiroshi
Address:
Tokyo, JP
No. of patents:
12
Patents:












Patent Number Title Of Patent Date Issued
4857995 Color imaging apparatus including control system for stabilizing phase and frequency of a video August 15, 1989
A color filter has a plurality of succesively arranged recurrent groups of different color stripes. An image pickup tube has a photoelectrical conversion target exposed to light passing through the color filter and an index signal generation pattern. The image pickup tube outputs a signa
4855816 Color imaging apparatus including phase control system for maintaining start positions of scanni August 8, 1989
A color filter has recurrent groups of different color stripes. An image pickup tube has a photoelectrical conversion target exposed to light passing through the color filter and an index signal generation pattern. The image pickup tube outputs a signal containing a color signal componen
4811088 Color video camera apparatus providing correction of light intensity-dependent phase errors in c March 7, 1989
A single tube color video camera apparatus having a camera tube including a color separation stripe filter and producing an output signal containing a color multiplex carrier signal, utilizes an envelope detector for directly detecting the camera tube output signal to produce an envelope
4757377 Color television image pickup device with a stripe filter parallel to scanning direction July 12, 1988
A color image pickup device comprises an image pickup tube, a color stripe filter comprising a plurality of stripes, a circuit for obtaining a color multiplexed signal by sampling color information from the color stripe filter and multiplexing color components obtained by the sampling in
4757376 Color television image pickup device with a stripe filter parallel to scanning direction July 12, 1988
A color image pickup device comprises an image pickup tube, a color stripe filter comprising a plurality of stripe groups each having a plurality of stripes, and a circuit for obtaining a color multiplexed signal by multiplexing color components obtained via the color stripe filter in a
4757375 Color television image pickup device with a stripe filter parallel to scanning direction July 12, 1988
A color image pickup device comprises an image pickup tube, a color stripe filter comprising a plurality of stripes, a circuit for obtaining a color multiplexed signal by multiplexing color components obtained via the color stripe filter in a direction perpendicular to a scanning directi
4736243 Color imaging apparatus with closed-loop control means for producing color signal frequency and April 5, 1988
In a color imaging apparatus, an optical image is focused on a photoelectrical conversion target of a color image pickup tube through a color stripe filter and converted to an electrostatic image, the latter being scanned line-by-line in rectangular raster form by an electron beam to
4736242 Transitory scanning speed phase compensation using luminance edge detection April 5, 1988
In a color imaging apparatus, an optical image is focused on a photoelectrical conversion target of a color image pickup tube through a color stripe filter having a plurality of successively arranged recurrent groups of different color stripes and converted to an electrostatic image
4691227 Color imaging apparatus having a 1:2 frequency ratio between video and reference signals for hig September 1, 1987
In a single-tube color image pickup apparatus, an optical image is passed through a color stripe filter having recurrent groups of different color stripes to a photoelectrical conversion target, which is scanned by an electron beam to generate a video signal comprising a carrier having a
4652910 Automatic beam current control with an envelope detector for a color television camera tube with March 24, 1987
A feedback control loop for controlling the intensity of a scanning electron beam of an image pickup tube of a color TV camera which is especially useful in a single tube color TV camera with a stripe filter, comprises an envelope detector for detecting the envelope of an output vide
4620221 Color imaging apparatus with compensation for beam deflection nonlinearity October 28, 1986
In a single-tube color imaging apparatus, the pickup tube includes a photoelectrical conversion target and a filter having recurrent groups of different color stripes through which an optical image is passed to the target. The target is scanned by an electron beam to produce a video
4616255 Color television signal generating apparatus having circuit for reducing noise in output primary October 7, 1986
A color television signal generating apparatus has a noise reduction circuit for reducing noise in output primary color signals of a camera tube which has a color-resolving striped filter. The noise reduction circuit operates so that the noise included in the color signals only consi










 
 
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