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Patent No. 5377411

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 340/815.64 - Electromagnetic rotator for indicator wheel


Subclass of Class 340 - Communications: electrical
Definition: Subject matter comprising an electromagnet capable of producing
No. of patents: 18
Last issue date: 12/06/2005


NumberTitleIssue Date
6971143Magnetic detent for rotatable knob
A roller pump including a stator and a rotor assembly disposed within the stator. The rotor assembly includes a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub. Each of the roller slides rotatably supports a roller. ...
12/06/2005
6480116Method and apparatus for showing special characters or figures on a rotating disk
The present invention is a method and apparatus for showing special characters or figures on a rotating disk. A sensor (e.g. spectrum sensor, metal sensor, magnetic field sensor, mechanical contact sensor and sound sensor) and a plurality of light fitting...
11/12/2002
6278424Miniature telltale module
A miniature telltale module which combines a plurality of telltale functions into one unit and provides reduced cost per function. The module uses a miniature rotary actuator or driver, an image disc having a series of interconnected images or icons and a...
08/21/2001
6121890Electronic indicator with adjustable ratio of spindle displacement to displayed value
An electronic indicator that includes a means for a scaling the actual displacement of the spindle by a user-adjustable scale factor representing the ratio of the actual displacement of a spindle to the value displayed. The indicator includes a body, tran...
09/19/2000
5703564Mobile advertising device with electronic transmission capabilities
A mobile advertising device having a rotating display unit suspended from a cord that is preferably supported from a wand attached to a shelf unit in a store. The display unit has a battery powered motor that rotates a drum having a surface on which graph...
12/30/1997
5619194Fiber optic traffic signal light system having a shutter control
The system includes a high-intensity light source, a fiber optic conduit for transmitting a light-beam, and colored lenses, which emit red, yellow, and green light on fiber optic lines. Each traffic light has a shutter and control means for opening and cl...
04/08/1997
5584561Lighting device for a bicycle
The disclosure herein describes a lighting device which is adapted for use with a wheel bicycle and which includes a magnet mounted to one of the wheels and a housing mounted to the bicycle frame. A solenoid inside the housing has a winding and a core clo...
12/17/1996
5572200Multidigit multiple counting wheel readout for volume-measuring instrument or electricity meter
The state or setting of an electronically readable wheel counting wheel mechanism is reliably and unambiguously ascertained for each setting thereof, and for this purpose, the counting wheel mechanism is functionally divided into rotating and stationary w...
11/05/1996
5442338Miniature telltale module
A miniature telltale module which combines a plurality of telltale functions into one unit and provides reduced cost per function. The module uses a miniature rotary actuator, a series of interconnected images and a single light source. The actuator allow...
08/15/1995
5061921Remote-controlled message sign
A remote-controlled message sign in controlled by a pager. The pager receives radio signals from a paging service and provides output signals in response to the radio signals. The output signals of the pager are used to control one or more drive motors. E...
10/29/1991
4616221Electromagnetic display
An electromagnetic display or indicator element comprises a disc having a permanent magnet perpendicular to the disc's rotary axis. The disc is controlled by a single high remanence pole piece which has its forward end transversely (relative to the viewin...
10/07/1986
4493988Odometer using an electric motor disposed within annular figure wheels
In a highly compact odometer an electric motor which drives a mechanical display thereof, is disposed within the set of annular figure wheels used in the display and drivingly connected to said wheels through a worm and worm wheel drive train. In the case...
01/15/1985
4293850Temperature compensated rotary positioner
A rotary positioning system includes a prime movement device having a plurality of windings spatially distributed to cause a rotor to assume, upon commanded energization of the windings, different ones of discrete angular positions. The system also includ...
10/06/1981
4283715Control of display devices with electromagnetic drums
A control device for digital display indicators using electromagnetic drums. An analogue/digital converter converts the information to be displayed, received in analogue form E, into digital information which can be utilized by the drums of the display de...
08/11/1981
4150356Indication apparatus
An indication apparatus which detects a plurality of abnormal conditions occurring in a motor vehicle particularly in an automobile, and indicates an indicium corresponding to one of the abnormal conditions. When at least one of a plurality of sensors det...
04/17/1979
4001815Rotary electromagnetic indicator
A rotary electromagnetic indicator having a stator with an annular arrangement of five equiangularly spaced radially inwardly extending salient poles, a winding on each stator pole and an indicating rotor having a permanent magnet with diametrically oppos...
01/04/1977
4001776Multiple indication display
A plurality of on/off sensors each register the occurrence of an event in a system while other sensors measure the value of certain conditions in the system and include detectors for indicating when any measurement attains a predetermined value. An actuat...
01/04/1977
3936818Electromagnetic indicator having oppositely magnetized stamped magnetic cores
An electromagnetic indicator assembly includes a nonmagnetic angle plate defining a support frame for axially parallel spaced rotors each including a permanent magnet and a nonmagnetic plate circumferentially surrounding a portion of the magnet. The rotor...
02/03/1976
 
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