| 摘要 |
The key is used in the motor-car industry, in the home andthe banking systems. It has increased reliability and safetyhaving a minimum number of components. The key contains a decoder(1 & 19), comparative unit (3 & 20), alarm (4), solenoid (5) witha mobile metal core (6), relay (8) with normally open contact (7),battery (9), starter (10), adjusting relay (12), start button(13) contact unit (14), coil (15), high voltage commutator (16),controller (17), Hall sensor (20) and phototransistor couple (21).2 claims, 2 figures
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