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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 |
| 7305071 | Video transmission and control system utilizing internal telephone lines A video transmission system for facilitating transmission of video and control signals, particularly infrared remote control signals, between different locations in a residence using existing telephone wiring. Simultaneous transmission of signals of both types over ... | 12/04/2007 |
| 7227932 | Multi-band data over voice communication system and method An interactive system and method for communicating data over a network of twisted pair wiring that is in active use as a conductive path for ordinary telephone signals. Data is encoded redundantly in multiple channels to avoid interference by noise on the telephone ... | 06/05/2007 |
| 7224780 | Multichannel transceiver using redundant encoding and strategic channel spacing A transceiver is operable to connect to a 2-wire conductive path to communicate information in multiple channels to a companion transceiver. Data is encoded redundantly inside the channels, enabling communication to succeed even when one of the channels drops out du... | 05/29/2007 |
| 7145990 | High-speed data communication over a residential telephone wiring network A method and system for communicating between a number of computers within a residence over an active telephone network, and for communicating data between a telephone exchange and the residence in a first data band concurrently with the computers communicating in a... | 12/05/2006 |
| 7110511 | Twisted pair communication system A communication system for passing information between information services and terminal devices over a twisted wire pair network. The information services include a telephone exchange and other services, such as a data network and a television distribution system. ... | 09/19/2006 |
