Counting apparatus of photosensitive gray scale
A counting device and grayscale technology, which is applied in the direction of transmitting sensing components with optical devices, can solve the problems of resistance sensing contact wear and corrosion, complex judgment, error-prone carry critical point, etc., so as to avoid software program calculation and avoid friction Effect
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] figure 1 It is a schematic diagram of grayscale sensing when the character wheel of the present invention is running at the position of number 7. It is composed of a light emitting device 1 fixed on the bracket 4, a photosensitive sensor 2, a counting digital wheel 5 and a coating on the surface of the counting digital wheel 5. The gray-scale segment 3 is composed (the gray-scale segment 3 is evenly distributed along the 360-degree circumference of the counting digital wheel 5). When working normally, the light-emitting device 1 first emits light to the opposite gray-scale segment 3, and the light is reflected by the reflective surface to the photosensitive sensor 2, thereby obtaining the sensing value corresponding to the gray-scale segment 3 on the counting wheel 5 7. Afterwards, another light-emitting device 1 also emits light to the opposit...
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