Title:
DEVICE WARNING AND PROTECTING AGAINST OVERVOLTAGES ESPECIALLY FOR ELECTRICAL SHAVERS OPERATING UNDER TWO VOLTAGES
United States Patent 3483545


Abstract:
1,176,378. Protective arrangements; apparatus for two or more sources. CALOR APPAREILS ELECTRO-DOMESTIQUES. 22 March, 1967 [5 April, 1966], No. 13590/67. Headings H2H and H2K. [Also in Division Gl] A dual voltage apparatus, e.g. an electric shaver, of the kind having two windings which may be connected in series or in parallel, is provided with a lamp connected in series with the windings so as to indicate when the shaver: is connected to the higher voltage supply with the windings incorrectly connected in parallel due to faulty connections or incorrect switching;



Inventors:
Trouilhet, Maurice Marie Achill
Application Number:
US3483545DA
Publication Date:
12/09/1969
Filing Date:
03/28/1967
Assignee:
Calor, App Electro Domestiques
Primary Class:
Other Classes:
310/47, 310/50, 340/662, 361/56, 361/91.1
International Classes:
B26B19/28; G01R19/155; H02H3/20; H02H9/04; H02K33/00; (IPC1-7): G11B21/00
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US Patent References:
Foreign References:
FR1235628A1960-11-04