Electronic fish scale

Details Electronic fish scale Electronic fish scale

1989-07-25

1991-07-16

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177225, G01G 314, G01G 300

Patent

active

050317105

ABSTRACT:
An electronic fish scale having a spring connected to a hook to which the fish or other item to be weighed is attached. Attaching the weight to the hook causes linear displacement of the spring. A rigid coupling is attached to the spring and connected to a variable resistor such that movement of the spring results in a change in the effective resistance of the variable resistor. Electronic circuitry is interconnected with the variable resistor such that a signal is generated which is indicative of the effective resistance of the variable resistor. The generated signal is sampled and processed at a microprocessor having stored data corresponding to the weight equivalent to the variance in the variable resistor-dependent signal. A display receives a signal output from the microprocessor and displays and weight measured.

REFERENCES:
patent: 1407078 (1922-02-01), Murray
patent: 3241626 (1966-03-01), Woodburn
patent: 4342038 (1982-07-01), Lemelson
patent: 4660666 (1987-04-01), Reder et al.
patent: 4718507 (1988-01-01), Howlett et al.

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