| 摘要 |
FIELD: acoustic devices for measuring distances in various environments. ^ SUBSTANCE: device contains synchronization device 1, strobe impulse generator 2, counting trigger 3, probing signals generator 4, multiplexer 5, acoustic system 6 being in acoustic contact with navigation environment, second acoustic system 8, also in acoustic contact with navigation environment, reflector 9, second 10 and third 11 AND circuits, receiving route 12, first waiting multi-vibrator 13, AND circuit 14, clock impulse generator 15, counter 16, register 17, digital indicator 18, second register 19, digital code comparison block 20, control block 21, second waiting multi-vibrator 22 and code setting block 23. ^ EFFECT: expanded functional capabilities, measuring device may work in automatic mode without presence of operator, performing automatic calibration when changing parameters of navigation environment. ^ 2 dwg |
