| 摘要 |
<p>1,038,937. Battery charging and alternative supply systems. SPERRY RAND CORPORATION. July 14, 1965 [July 27, 1964], No. 29888/65. Heading H2H. An electrical appliance, such as an electric shaver, comprises a first casing which includes an electric motor, a rechargeable battery and a rectifying device over which the battery may be charged together with a switch for selecting whether the motor is energized from the battery or the battery recharged from the domestic electricity supply system, the apparatus further comprising a second casing which includes a tapped transformer and a rectifier by means of which the motor in the appliance may be energized directly from the domestic electricity system.</p> |
