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Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 363/83 - With electron tube or valve as control means in the line circuit


Subclass of Class 363 - Electric power conversion systems
Definition: Subject matter wherein the line circuit control means includes
No. of patents: 2
Last issue date: 02/26/2008


NumberTitleIssue Date
7336057DC/DC converter
A DC/DC converter includes: a boost converter that boosts an input voltage in accordance with a first control signal; an insulated converter that converts an output of the boost converter in accordance with a second control signal; a current sensor that detects an o... 		02/26/2008
7015561Active rectifier
A switching circuit has an active switch, a controller, and at least two terminals. The at least two terminals include two current control terminals for connection at two locations in another circuit. The controller is configured to turn the active switch off to blo... 		03/21/2006
 
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