Title: Recorder for electric appliances

Abstract: A disc-like sheet of pressure-sensitive material rests on a turntable rotatably mounted on a housing. The sheet has spaced scale markings there on around its circumference indicating units of time. A stylus arm is movably mounted on the housing in proximity with the turntable and has a stylus affixed to, and extending from, its free end and abutting the sheet of material at its axial area. The housing has a clock motor and solenoid electrically connected between an electrical appliance and a source of electrical energy. The motor rotates the turntable one revolution in a predetermined period of time. The solenoid moves the stylus to the circumferential area of the sheet during the operation energization and of the appliance to record such operation in the circumferential area during the time of operation. The stylus is in the axial area of the sheet during deenergization of the appliance to record inoperativeness of the appliance in the axial area.

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Inventors: Koch, Ferdinand R. (San Antonio, TX, US)

Application Number: 816741
Filing Date: 1977-07-18
Publication_date: 1979-05-01
Assignee: The Raymond Lee Organization, Inc. (New York, NY)
Primary Class(es): 346/33R 346/123
Other Classes:
US Patent Ref:

430551	Jun, 1890	Wade	346/121.
962492	Jun, 1910	Card	346/123.
1322148	Nov, 1919	Sprague	346/123.
1950832	Mar, 1934	Winter	346/123.
3193834	Jul, 1965	Frank	346/123.

Other Refs:
Primary Examiner: Miller, Jr., George H.
Assistant Examiner:
Attorney: Tick; Daniel Jay