Abstract
A microminiature color camera system with an extremely small camera head utilizing a CCD (computer-controlled display) image sensor is described. The camera system consists of a camera head unit with a camera holder, a camera control unit, and an AC power supply unit. The camera head is connected to the camera control unit by a 4 mm diameter, 2 m long cable. The design used separates the camera head from the control unit, so that it can meet a variety of customer needs or special purposes. Since the output signal from the camera control unit is a standard NTSC signal, it can be easily connected to a standard TV monitor or to an independent video cassette recorder. The camera head (17.5 mm in diameter and 53 mm in length) incorporates a small, wide-angle 7.5 mm focus lens, a 200000 picture element CCD image sensor with color filter array and compact electronic circuits. The design, specifications and applications of the system are discussed.
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