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3 CCD (IC802) A charge-coupled device in which charges are introduced when light from a scene is focused on the surface of the device. The image points are accessed sequentially to produce a television-type output signal.
532(H) 508(H)
Effective picture element: 249,936 = 508 (H) x 492 (V) PHIS1~PHIS4: Clock pulse for the storage.
PHI1~PHI4: Clock pulse for the image pickup. PHIH1~PHIH2: Clock pulse for the horizontal shift register. PHIR: CCD analog signal output.
PHIH2
Storage
PHIS4 PHIS1 PHIS2 PHIS3
19 18 17 16
Horizontal shift register (CCD)
PHIH1
15
492(V)
14
4 Camera Signal Processor (IC801)
From CCD
AGC
8bit A/D Converter
D0~D7
D0~D7: Digital signal of the luminance and the color difference B-Y and R-Y signal. CCD IN: CCD analog signal input. VI1~VI4/VS1~VS4: Clock pulse for the CCD control signal.
to CCD
Timing Generator
From/to CPU
Sample Hold Selects a desired signal from the CCD. Timing Genarator Generates the clock pulse for the CCD. 8-bit AD converter Analog signal from the CCD is converted into 8-bit digital signal of the luminance and the color difference B-Y and R-Y signal. .
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