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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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| Number | Title | Issue Date |
| 7643450 | Utilizing a same target cell during circuit-switched and packet switched handover In case of both circuit-switched and a packet-switched connection handover from a source (200) to a target (510) radio access network or base station subsystem a new target ID indication message (415.1; 415.2) is sent to a core network node (... | 01/05/2010 |
| 5631452 | System for position loss recovery for an elevator car A system for position loss recovery for an elevator car includes a plurality of pairs of encoded floor magnets that uniquely identify each floor. Upon restoration of power, the encoded floor magnets are sensed by an encoded floor sensor and the precise fl... | 05/20/1997 |
| 5617544 | Interface having receive and transmit message label memories for providing communication between a host computer and a bus An interface between a host and a bus includes label generator and a memory. The label generator responds to bus label signals from the bus, for providing label signals. The memory responds to bus signals from the bus, for providing memory host signals to... | 04/01/1997 |
| 5597988 | Control system for elevator active vibration control using spatial filtering A control system for compensating for horizontal vibrations in a travelling elevator includes at least one horizontal vibration sensor disposed in a plane wherein high frequency vibrations are spatially filtered. Each sensor is provided with a control cir... | 01/28/1997 |
| 5544721 | Method and apparatus for adjusting an elevator car based on stored horizontal displacement and acceleration information Elevator horizontal vibrations are actively controlled by retrieving data stored in memory indicative of the out-of-straightness of the elevator car's guide rails. The stored data is compiled during a learning run by summing the car's relative displacemen... | 08/13/1996 |
| 5524730 | Method and apparatus for storing sensed elevator horizontal displacement and acceleration signals An elevator hoistway rail profile is made by summing a doubly integrated car horizontal acceleration signal with a relative rail-car displacement signal and storing the summed signal according to the vertical position of the car in the hoistway.... | 06/11/1996 |
| 5481648 | Fuzzy logic method and apparatus for changing the position of turbine blades via an induction motor, brake and a position lock. Three separate fuzzy rule sets are applied to three corresponding fuzzy sets developed from various input parameters for providing a pitch engagement/mode selection management system and method for requesting disablement of a blade lock, for disabling suc... | 01/02/1996 |
| 5439075 | Elevator active suspension system An elevator car vertically guided along a hoistway rail has horizontal motions controlled by means of an actuator wherein horizontal acceleration of the elevator car and relative horizontal displacement between the car and the rail is sensed for controlli... | 08/08/1995 |
| 5322144 | Active control of elevator platform A method and apparatus for actively counteracting a disturbing force acting horizontally on a platform moving vertically in a hoistway is disclosed. A manifestation of the disturbing force such as acceleration is sensed and counteracted, for example, by e... | 06/21/1994 |
| 4870334 | Motor control apparatus An apparatus for controlling an adjustable-speed electric motor. The actual motor speed is sensed and compared with a commanded motor speed. A speed error signal, which depends on the difference between the actual and desired values of motor speed, is der... | 09/26/1989 |
