Control switch device of automobile constant-speed cruise system
A system control switch, constant speed cruise technology, applied in the direction of control device, speed/acceleration control, power device control mechanism layout, etc. The effect of flexible and convenient control of vehicle speed, reduction of changes in accelerator opening, and improvement of system utilization
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[0031] First make the key combination switch, please refer to Figure 8 , which consists of multiple layers of button groups (22231, 22232, 22233, 22234) stacked together in sequence, with a thickness of 3 to 5 cm; and the first layer of button groups (22231) is covered as figure 2 Covering the rectangular shaped keypad (13) shown, the keypad (13) is made of plastic or metal with "SET / - (set / deceleration key) or RES / + (resume / acceleration key)" on the front The button is marked with a pattern; each layer of button groups (22231, 22232, 22233, 22234) is composed of a button layer (10) covered on the circuit board or keyboard substrate (9); the circuit board or keyboard substrate (9) is as follows: Figure 4 The shown rectangular shape is similar to the general existing remote control circuit board, and is clothed with one or more key contacts (19) or similar to the general existing notebook computer keyboard substrate, embedded with one or more plastic film switches (19), two ...
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