Method and apparatus for sensing and controlling the level of ic

Details Method and apparatus for sensing and controlling the level of ic Method and apparatus for sensing and controlling the level of ic

1995-09-18

1997-09-30

Wayner, William E.

Refrigeration

Automatic control

By congealed removable product condition

73293, 250221, F25C 100, G06M 700

Patent

active

056716060

ABSTRACT:
An apparatus for monitoring and controlling the level of ice in an ice storage container includes an emitter mounted within the ice storage container and a detector mounted directly opposite from the emitter. A pulse circuit drives the emitter such that it outputs a pulse train that triggers the detector. A receiver circuit outputs a signal responsive to the detection of the pulse train by the detector. A controller activates an ice maker responsive to the output of the receiver circuit.

REFERENCES:
patent: 3246210 (1966-04-01), Lorenz
patent: 3534351 (1970-10-01), Harnden, Jr. et al.
patent: 3605082 (1971-09-01), Matthews
patent: 3739177 (1973-06-01), Ko
patent: 3816745 (1974-06-01), Primm et al.
patent: 3908441 (1975-09-01), Virloget
patent: 3961495 (1976-06-01), Beauvent et al.
patent: 4109481 (1978-08-01), Peek

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