FIELD: radio measurement technology. SUBSTANCE: gear weighing load of dump truck has movements transducer placed between frame and rear axle, counting and indication unit which movements transducer is produced in the form of section of waveguide. Both leads of it are provided with short-circuit switches: one-immobile, the other one-mobile which are hinged: one-to frame, the other one to rear axle. Generator (amplifier) of superhigh frequencies of reflective type is mounted in waveguide at distance of quarter-wavelength from immobile short-circuit switch. Counting and indication unit is connected to anode circuit and is manufactured in the form of low-frequency filter and frequency meter connected in series. SHF generator (amplifier) is built on avalanche diode or Gunn-effect diode. EFFECT: enhanced reliability and accuracy of gear. 2 cl, 2 dwg
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| DISTANCE MEASUREMENT TECHNIQUE | 1990 |
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RU2045762C1 |
