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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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Luu, Matthew


Primary examiner statistics: 2178 patents; average approval time: 2177 days
Assistant examiner statistics: 245 patents; average approval time: 819 days

Patents as Assistant Examiner


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NumberTitleIssue Date
5956013Method and apparatus for synchronizing a continuous ECG waveform display with a display of superimposed heartbeats
A computer controls a video display having a display screen for displaying ECG heartbeats superimposed over one another. The ECG data is collected during Holter monitoring and stored in a memory. A plurality of successive heartbeats are written to the dis...
09/21/1999
5877743Line smoothing techniques
Improved curve plotting techniques are disclosed for drawing a substantially smooth curve in real time, from a plurality of sampled points, as the points are sampled, on a point-by-point basis. The curve is substantially smooth in that it has a continuous...
03/02/1999
5867148Space-saving information processing apparatus
An information processing apparatus includes in its body at least a power supply unit, a disk type storage and a printed circuit board arranged in a predetermined order and further has a keyboard unit which can be sandwiched between the display unit and a...
02/02/1999
5852430Color liquid crystal display device
A temperature detection circuit and two RAMs are connected to a conversion circuit for converting image data into voltage designation signals and outputting the signals to a signal electrode driver. The temperature detection circuit detects the temperatur...
12/22/1998
5847684Display device with mirror-symmetrical pixels
In a display device of the reset type, drive asymmetries in mutually offset picture electrodes (6) occur due to capacitive crosstalk differences between these picture electrodes (6) and column electrodes, and consequently lead to artifacts. These crosstal...
12/08/1998
5838303Continuous loop mouse
A sphere cage and carousel wheel assembly are provided which convert user applied force into rotational movement of the carousel to guide and support the movement through curves of an annular array of spheres composing the loop mechanism of a continuous l...
11/17/1998
5825345Display-integrated type tablet device
During a display period (Y-coordinate detection period), an image is written to an electro-optical material so as to form a display by driving row electrodes and column electrodes by using a row-electrode driving circuit and a column-electrode driving cir...
10/20/1998
5815150Display apparatus
The shapes of a plurality of parts are displayed simultaneously on a display screen. When the shape of one of the parts is designated in a "hide" mode, the display of the shape of this part is inhibited and an icon is displayed in its place. When the icon...
09/29/1998
5805124Symmetric row drive for an electroluminescent display
A method and apparatus for providing a driver circuit for an electroluminescent display panel comprising a row driver including positive row drive elements and negative row drive elements, a first power lead with a first predetermined voltage Vneg
09/08/1998
5805139Computer system with standard built-in pointing device, which is connectable to optional external pointing device
In a computer system having a built-in pointing device, connection/disconnection of an external pointing device having a processor is detected upon activation of the computer system. A battery-backed-up memory in the computer system stores information rep...
09/08/1998
5793342Resonant mode active matrix TFEL display excitation driver with sinusoidal low power illumination input
Energizing an active matrix electroluminescent device with a generally sinusoidal illumination waveform causes the electroluminescent layer to emit light. A sinusoidal waveform minimizes the peak currents reducing the likelihood of burnouts and decreases ...
08/11/1998
5793351Video display processor having indication of sprite in excess of the number of sprite registers
A video display processor and video display system which overlays mobile patterns called sprites over a background. For each horizontal line the video display processor reads from an external memory data corresponding to sprites appearing on that line. Th...
08/11/1998
5786806Collapsible keyboard/pointing stick structure
A notebook computer is provided with a collapsible keyboard structure in which, in response to closing of the computer housing lid, a shifting mechanism retracts the keys to a storage/transport orientation in which the overall thickness of the keyboard st...
07/28/1998
5784051Digital power management system
A digital power management system for an analog-to-digital converter operates to cause the sample rate of the analog-to-digital converter to function at an original desired frequency so long as changing input signals are present. Whenever activity at the ...
07/21/1998
5767835Method and system for displaying buttons that transition from an active state to an inactive state
A method and system for displaying a set of buttons on a display screen that gradually change from an active state to an inactive state. When a user selects a button displayed in its active state, such as by clicking a mouse, the system displays a sequenc...
06/16/1998
5757360Hand held computer control device
A compact convenient hand-held, accelerometer-based computer control device s utilized to control on-screen animated characters presented by a computer-driven display in which the movement, persona, or style of the character is controlled through movement ...
05/26/1998
5754177Method and apparatus for selecting an edit object on a display screen
An edit object is selected by displaying a plurality of edit objects such as figures or characters closely arranged or overlapped on a display screen. A pointer is used to specify a desired position on the main screen, and determine with a candidate selec...
05/19/1998
5748159Display
A plurality of select electrodes and a plurality of address electrodes are provided in matrix. A pixel is provided at each intersection of the select electrode and the address electrode. A mechanical electrostatic switch is provided for connecting the pix...
05/05/1998
5745099Cursor positioning method
A method for positioning a cursor relative to a reference position on the display using the pointing device includes the steps of positioning the cursor at a position on a display with a pointing device, selecting the position as the reference position, t...
04/28/1998
5742272Accelerated full screen video playback
A method of drawing moving images on a graphics display comprising (a) receiving data defining an input image in a predetermined resolution, (b) commanding a graphics processor to draw a corresponding image frame on a display having a number of scanning l...
04/21/1998
5742280Hand-written graphic form inputting apparatus
A hand-written graphic form inputting apparatus by which a plurality of hand-written graphic forms can be inputted efficiently is disclosed. When a hand-written graphic form inputted from a graphic form inputting device is recognized so as to produce grap...
04/21/1998
5739810Computer input device and methods of manufacturing same
A computer input device and method of manufacturing same provides multiple input capabilities without utilizing any more space than is required for a single input device. In a preferred embodiment, an input device housing has a keyboard on a top surface a...
04/14/1998
5737272Liquid crystal display apparatus, structure for mounting semiconductor device, method of mounting semiconductor device, electronic optical apparatus and electronic printing apparatus
A liquid crystal display apparatus is provided which requires a small, thin and compact area for mounting semiconductor chips for driving liquid crystal and, accordingly, has a reduced cost. Semiconductor chips for driving liquid crystal are mounted on a ...
04/07/1998
5734367Liquid crystal apparatus
A liquid crystal device is constituted by a pair of substrates respectively having thereon a plurality of scanning lines and a plurality of data lines intersecting the scanning lines, and a liquid crystal disposed between the substrates so as to form a ma...
03/31/1998
5734363Method and apparatus for producing shading on a flat panel display
A display system that encodes shading in an image to be displayed. The system comprises a video display having a plurality of pixel elements each being mapped to a respective bit within a memory, and a controller for energizing, at a predetermined frame r...
03/31/1998
5734379Liquid crystal display device
The present invention discloses a liquid crystal display device capable of reducing charges to be supplied from a driving circuit, increasing response speed of liquid crystals and delivering superior display. A liquid crystal display device is provided wi...
03/31/1998
5734366Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device
An image display device includes an operational amplifier, a signal amplifier provided with a condenser for setting a gain of the operational amplifier, a signal amplifier circuit having such signal amplifier or a buffer amplifier, the signal amplifier ci...
03/31/1998
5731807Apparatus and method for customizing the shape of a computer mouse to an individual's hand
An apparatus and method for customizing the shape of a computer mouse to an individual's hand uses a pliable body, typically a pliable body with an elastomer skin enclosing a pliable material. The pliable body is shaped into a customized configuration. A ...
03/24/1998
5731806Interrupt based positioning system for joysticks and method therefor
An interrupt based positioning system for a joystick. A potentiometer is coupled to the joystick for supplying a voltage signal representative of a current position of the joystick. An analog-to-digital converter changes the voltage signal to a digital vo...
03/24/1998
5724058Gray scale display driving method of a matrix liquid crystal display and driving apparatus therefor
A gray scale display driving method of a matrix liquid crystal display (LCD) and a display driver implementing this method, can reduce the scanning and data electrode driving signal voltages and the driving voltage magnitude variation for the respective s...
03/03/1998
5724069Special purpose terminal for interactive user interface
A special purpose microcomputer-based terminal for interactive user interface. The terminal includes a general purpose microcomputer and an interface module made up of a general purpose display screen and an array of pushbuttons positioned along the sides...
03/03/1998
5717431Ergonomic keyboard for a portable computer and methods of operation and manufacture therefor
A portable computer and method of operation thereof. The portable computer includes: (1) a first chassis portion hingedly coupled to a second chassis portion by first and second bulkheads to allow relative rotation between a closed position and an open po...
02/10/1998
57174123-D glasses with variable duty cycle shutter lenses
A shutter control mechanism for 3-D glasses includes a control circuit (28) associated with the glasses, the glasses having 3-D lenses (20) and (22). The control circuitry (28) receives commands from a control transmitter (16) in the form of synchronizati...
02/10/1998
5717435Side switch mechanism, and stylus pen using the same
A side switch mechanism which provides comfortable operation of a pair of side switches of a stylus pen and implements facilitated construction and assembly. The side switch mechanism has a side switch member having a surface construction and a rear const...
02/10/1998
5717422Variable intensity high contrast passive display
A display includes a light modulator, a source of light, and a control for controlling the intensity of light from the source supplied to the light modulator thereby to provide images of good contrast for both bright and dark scenes. A method of displayin...
02/10/1998
5712662Pressure sensitive resistor cell and method for detecting threshold value of stylus used therewith
A simple-structured pressure sensitive resistor cell which permits the setting of a stylus pressure detecting threshold value VT and a stylus pressure detecting threshold value setting method therefor. A midtap T of a series connection of two or more resi...
01/27/1998
5712655Moving message display method and apparatus
A display of a series line organized images is provided in which the images are spread across a plurality of linearly arranged display devices and appear to be shifting from one display device to the next. The line organized images are first formed into a...
01/27/1998
5712656Graphic drawing apparatus
Depiction of graphics which are displayed in combination with function graphs is accelerated. Graphics to be displayed on a display device in combination with function graphs are selected and drawn according to the graphic information stored in the graphi...
01/27/1998
5710574Method and system for positioning a graphical pointer within a widget of a data processing system graphical user interface
A method and system are disclosed for positioning a graphical pointer displayed within a widget displayed within the display device of a data processing system having a graphical pointing device. According to the present invention, a widget, a predefined ...
01/20/1998
5710575System for digitally emulating the analog position of a PC game port joystick
A joystick system provides a digital representation of the setting of a joystick potentiometer. The voltage of the joystick is supplied to an analog-to-digital converter, the output of which then is used to load a counter. In one mode of operation, the co...
01/20/1998
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