F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
341/3
F25D 21/00 (2006.01) G05B 19/042 (2006.01)
Patent
CA 1176729
ABSTRACT A defrost control system is provided for initiating one or more (defrost) timing cycles each at a preselected different time and for terminating the cycles at the end of their respective predetermined (defrost) period. The unit generally includes a solid- state, microprocessor based, programmable twenty-four hour timer, and a display panel having an electrooptical digital time display and two sets of defrost status/program indicators. The two sets of defrost indicators are separately or concurrently activated to visually present a display indicative of a plurality of program and operating status events, for example, the occurrence of on automatic or manual defrost initiation.
400722
Amf Incorporated
Swabey Ogilvy Renault
LandOfFree
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