Pulse counting and pulse rate indicating device responsive to ab

Details Pulse counting and pulse rate indicating device responsive to ab Pulse counting and pulse rate indicating device responsive to ab

1984-09-05

1987-03-03

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Using shift register

377 20, 377 59, 324166, 364565, G01P 360

Patent

active

046481044

ABSTRACT:
A pulse counting device wherein a number of pulses is stored in a first register out of a plurality of registers, and subsequently a new pulse number counted is stored in the first register and pulse numbers stored in the registers are successively shifted with a pulse number erased from a final register. The pulse numbers stored in the respective registers are corrected dependent on the latest pulse number stored in the first register, and a value dependent on the corrected values stored in all of the registers is displayed. If the latest pulse number is abruptly varied in excess of a certain preset value upon comparison with the pulse numbers in the registers, then the pulse numbers in the registers are corrected with a value dependent on the latest pulse number. If the latest pulse number is varied gradually within the preset value upon comparison with the pulse numbers in the registers, then the pulse numbers in all of the registers are compared to correct the pulse numbers in prescribed registers into a certain sequence of numbers. With this arrangement, a display unit of the pulse counting device has a quick response with respect to variations in the latest pulse number.

REFERENCES:
patent: 3909714 (1975-09-01), Nakano
patent: 3936663 (1976-02-01), Taylor et al.
patent: 4158172 (1979-06-01), Boyer et al.
patent: 4281388 (1981-07-01), Friend et al.
patent: 4430612 (1984-02-01), Onitsuka et al.

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