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Class 348/289 - Frequency separable signals


Subclass of Class 348 - Television
Definition: Subject matter wherein at least two color components of
No. of patents: 15
Last issue date: 09/24/2002


NumberTitleIssue Date
6456325Image signal processing device for minimizing false signals at color boundaries
An image signal processing device of the present invention includes an RGB-YC conversion for converting color component signals output from a CCD (Charge Coupled Device) image sensor to luminance signals and components thereof lying in a high frequency ra...
09/24/2002
6091451Digital imaging system having an anti color aliasing filter
An anti-color aliasing filter for a digital imaging system is includes a first filtering region that allows any color to pass through. The filter also includes a second filtering region adjacent to the first filtering region to allow a particular color or...
07/18/2000
4829369Color television image pickup device with a stripe filter
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 ...
05/09/1989
4811088Color video camera apparatus providing correction of light intensity-dependent phase errors in color multiplex carrier signal
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 out...
03/07/1989
4757375Color television image pickup device with a stripe filter parallel to scanning direction
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 pe...
07/12/1988
4757377Color television image pickup device with a stripe filter parallel to scanning direction
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 compo...
07/12/1988
4757376Color television image pickup device with a stripe filter parallel to scanning direction
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 ...
07/12/1988
4691227Color imaging apparatus having a 1:2 frequency ratio between video and reference signals for high S/N color demodulation
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 sig...
09/01/1987
4663661Single sensor color video camera with blurring filter
A single sensor video camera includes an optical blurring filter having a known spatial (or frequency) function and a color filter interposed between the blurring filter and an image sensor. The color filter has red and blue filter elements intermingled a...
05/05/1987
4620221Color imaging apparatus with compensation for beam deflection nonlinearity
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 elec...
10/28/1986
4360826Image pickup device
An image pickup device comprises an image pickup tube provided with a striped filter which is a repetition of a plurality of stripes, and a pair of collimation forming electrodes which form a collimation, a voltage applying circuit for respectively applyi...
11/23/1982
4277800Color television signal generating apparatus
A color television signal generating apparatus comprises a color-resolving striped filter, in a camera tube, for separating the output signal of the camera tube into required signals. The output of the camera tube is a superimposed signal comprising a dir...
07/07/1981
4272779Signal processing circuit for a color television camera
A signal processing circuit for a color television camera has filters supplied with a multiplex input signal. The direct wave signal includes a plurality of amplitude-modulated color component signals obtained from a camera tube of a color television came...
06/09/1981
4064531Process and circuit for decoding the output signal of a camera tube in a single-tube color television camera
A circuit and process for decoding the output signal of a single-tube color television camera which is characterized in that the output signal of the camera tube is connected to a high-pass filter and a low-pass filter each of which are followed by two se...
12/20/1977
3984866Color television camera
A single-tube color television camera is disclosed wherein the optical image of a subject is split into three color images by an optical color filter consisting of first vertical stripes for transmitting therethrough all of the three primary color compone...
10/05/1976
 
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