FREQUENCY MEASURING DEVICE Russian patent published in 2021 - IPC G01R23/02 

FIELD: monitoring and measuring equipment.

SUBSTANCE: frequency measurement device additionally comprises two output registers, data inputs of which are connected to data outputs of the first and second counters, and their write enable inputs are connected to the third output of the control unit, the counters of the first and second counter counters are connected to the first and second outputs of the control unit, and their reset inputs to the third output of the control unit, high digits of data outputs of the first and second counters are connected to the third and fourth inputs of the control unit crosswise with its first and second inputs.

EFFECT: technical result is wider range of measuring frequency at given accuracy, simple design of device.

1 cl, 1 dwg