| 摘要 |
PROBLEM TO BE SOLVED: To provide a command reception circuit for astromautical device, which has a simple constitution and can reduce number of item parts, and can be made small-sized and light-weight. SOLUTION: A first electronic circuit 10, to which an interface condition according to a command signal is set, is provided with a non-latch relay 14, and constant voltage circuits 16 and 17 are provided which generate corresponding constant voltages to second electronic circuits 12-1 to 12-n and 13-1 to 13-m which differ in interface conditions. Power is supplied from a bus line 15 to constant voltage circuits 16 and 17 via the non-latch relay 14 only in the period, when the relay 14 is temporarily turned on in accordance with the command signal inputted to the first electronic circuit 10, and then constant voltages meeting interface conditions are applied to latch relays 18 and 19 in second electronic circuits 12-1 to 12-n and 13-1 to 13-m, and relays 18 and 19 are turned on to drive circuits 12-1 to 12-n and 13-1 to 13-m.
|
