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7629965 |
Keypad backlighting of mobile terminal
A keypad backlighting apparatus includes an electroluminescence layer for lighting an input device of an electronic apparatus. The input device may be a keypad and the electronic apparatus may be a...
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7601948 |
Encoder device and alignment device for an encoder device
An encoder device includes: an encoder base; a hub rotatably arranged in the encoder base and arranged to carry an encoder disk; and an alignment device arranged to urge the hub into a...
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7554077 |
Encoder
Embodiments of an encoder are disclosed.
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7544924 |
Directional input device with a light directing shaft
A directional input device with a light directing shaft that avoids wear and tear caused by physical contact between a shaft and a sensor surface. A directional input device according to the...
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7525113 |
Optical scanning unit and method for mounting the same
An optical scanning unit of a position measuring system for measuring a relative position of a first machine element with respect to a second machine element in a measuring direction. The optical...
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7525454 |
Keypad assembly for a portable terminal
A keypad assembly includes a keypad having at least one elastic layer and at least one key button on the elastic layer, a waveguide for transmitting and guiding light therethrough, the waveguide...
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7501570 |
Electric wind instrument and key detection structure thereof
Wind instrument includes a tubular body having a plurality of tone holes, and a plurality of keys capable of opening and closing the tone holes. Via a retaining member, detector units are provided...
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7446677 |
Method and apparatus for optically detecting selections made on an input device
Optics are utilized in an input device such as a mouse or keyboard, for example, to detect a condition of one or more selection indicators, such as whether a key or button has been depressed or a...
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7432911 |
Keyboard for mobile devices
A keyboard comprising a plurality of transparent keys. In use, the keyboard is attached to a device such as a mobile device, to overlie a display screen of the device. One or more images displayed...
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7414238 |
Optical encoder device for small-sized motor and method of producing the same
An optical encoder device for a small-sized motor has a code wheel attached to a motor shaft which extends to the exterior of the motor through a bearing accommodated in a bearing-retaining section...
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7391012 |
Apparatus for detecting rotational angle of rotational element and detecting method thereof
An apparatus ( 100 ) for detecting rotational angle of a rotational element ( 110 ), includes a light emitting element ( 1 ) and an image detecting element ( 3 ). The light emitting element is...
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7378990 |
Laser locus ball apparatus for a wireless keyboard
A laser locus ball apparatus for a wireless keyboard includes a base, a laser source generator, a locus ball, a light sensing element and a key cover. The base provides a lateral plate with a...
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7271743 |
Switch arrangement and a switch matrix structure for a keypad
A switch arrangement comprises a photoconductor to be illuminated. The switch arrangement also comprises a conductor which is intended to further transmit light escaping from the photoconductor and...
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7271797 |
Optical window for generating a waveforms
An optical window is disclosed through which light can be shone to generate a waveform. Windows are hourglass-shaped, to better conform the shape of the windows to the distribution of light...
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7268705 |
Input detection based on speckle-modulated laser self-mixing
A keyboard detects press or release of keys based on laser output which is changed by speckle-modulated self-mixing. Unique targets are attached to keys. As a target is moved into and/or out of the...
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7265338 |
Photoelectric encoder using an incoherent semiconductor light source
A photoelectric encoder is provided, which emits light from a light source to a main scale and an index scale that can relatively move with respect to each other and obtains a light-receiving...
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7193536 |
Illuminated keyboard
A keyboard is provided having illuminating keys. The keyboard includes a light channeling membrane and key members constructed at least partially of translucent material so that light produced from...
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7064744 |
Optical induction/trackball dual-mode mouse
An optical induction/trackball dual-mode mouse is disclosed to include a mouse body, a trackball module installed in the top of the mouse body, a cursor control optical induction module installed...
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7060968 |
Method and apparatus for optical encoding with compressible imaging
The present invention presents an optical encoder with increased conversion rates. Improvement in the conversion rate is a result of combining changes in the pattern recognition encoder's scale...
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7053799 |
Keypad with illumination structure
An illuminated keypad ( 400 ) includes a substantially transparent keypad ( 420 ) having a plurality of actuator buttons ( 412 ), a plurality of switches ( 404 ) residing substantially and...
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7042371 |
Optical keyboard with geodesic optical elements
An optical keyboard having a plurality of keys formed on a sheet of transparent material used as light guide. Each key is a dome-shaped element such that the light beam launched into one end of the...
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7026959 |
Optical joystick module
A joystick module in which a toggle arm controls movement of a plurality of shutters, with each shutter arranged between a light receiver and a light emitter. Control of the light from the light...
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6965327 |
Device and method for evaluating a useful signal originating from a proximity sensor
The invention relates to a device and method for evaluating a useful signal U(t) originating from a proximity sensor. The device comprises a first recognition means ( 17 ) which changes the...
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6958469 |
Diffraction grating interference system encoder for detecting displacement information
A displacement information detector in which a coherent luminous flux from a light source is applied to a diffraction grating scale adapted to be relatively moved to generate two diffracted rays of...
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6946980 |
Input device
An input device comprising a fixed light source, a plurality of light detectors surrounding the light source, and a member comprising reflective surface portions slidably mounted above the light...
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6927388 |
Optical encoder
An optical encoder whose environmental resistance is improved by increasing the variety of options of materials for a resin-made code plate thereof. Used as material for at least a code pattern of...
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6875977 |
Optoelectronic keypad and method for controlling an optoelectronic keypad
An optoelectronic keypad and a method for controlling an optoelectronic keypad for a measuring instrument, require a transparent touch screen, at least two touch-sensitive control buttons, at least...
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6833825 |
Apparatus for remotely controlling a digital processing system
According to one aspect of the invention an apparatus is provided for remotely controlling a digital processing system, comprising a housing, a scrolling detector, a cursor positioning detector,...
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6809661 |
Keypad device
A keypad device for telephones, mobile phones, remote control units, text and character transmitters, calculators, electronic planners or the like, wherein a control element, when actuated manually...
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6806815 |
Keypad structure with inverted domes
A keypad is disclosed for a portable electronic device. The keypad comprises an outer surface and a number of pressable keys ( 402 ). Associated with each key there is a pair of conductive contact...
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6741189 |
Keypad having optical waveguides
A keypad includes a light emitting source, a light detector and waveguide assembly adapted to receive light from the light emitting source and having a plurality of waveguide branches adapted to...
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6705783 |
Ruggedized keyboard with cursor positioning device
A rugged keyboard and cursor positioning device with an inherent restiveness from external fluids to interior keyboard fluid contamination. The key interrupters and cursor positioning device block...
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6696987 |
Electronic device with illuminated operator button, the activation of said operator buttons being determined by detection of the change in the luminous reflectance
With an electronic device, in particular a car radio that includes a microprocessor and operating buttons that can be illuminated by light sources, the functions of illumination and detecting an...
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6603115 |
Measurement scale and system incorporating a measurement scale for determining absolute position
A scale and scale reader are disclosed which may be used to determine absolute position of the reader with respect to the scale in two directions. In an embodiment of the invention a chequered...
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6552717 |
OHAI technology user interface
A variety of methods and systems for presenting and delivering user application input choices. One-handed or vocal user input provides chords or syllables. The invention includes systems and...
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6535145 |
Ideographic keyboard and method
Ideographic keyboard and method in which an array of characters are printed on one side of a panel and optically readable data corresponding to the characters is recorded on the other side of the...
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6529150 |
Photonic analog to digital conversion based on temporal and spatial oversampling techniques
A method of converting an analog signal to a digital signal includes (a) filtering the analog signal to the range 0≦f x ≦f B ; (b) sampling the filtered signal at a rate f S >>f N , where...
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6525677 |
Method and apparatus for an optical laser keypad
An optical laser numeric keypad ( 100 ) provides a digital signal indicative of which of a plurality of key locations is selected. The optical laser numeric keypad ( 100 ) comprises a plurality of...
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6501012 |
Musical apparatus using multiple light beams to control musical tone signals
A musical apparatus which controls a variety of parameters of musical tones by detecting motion of an object in a space adjacent to the musical apparatus. More specifically, the musical apparatus...
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6392224 |
Scanning unit for an optical position measuring device
A scanning unit for an optical position measuring device that includes a detector system that has a first reference pulse signal detector region disposed along a measuring direction and a second...
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6369800 |
Method and apparatus for use with a keypad of an electronic device
A method and apparatus for use with a keypad for an electronic device including at least one plunger associated with a key, wherein the plunger is moveable between a first position and a second...
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6313460 |
Optical encoder for detecting rotary and linear movements
An optical device for quantitative detection of linear or rotary movements, in which light beams from two light emitters pass through a grid disk which images the movement and has translucent areas...
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6232593 |
Optical encoder
A movable code plate for an optical encoder is given a light path changing function by forming a series of indentations in one or more portions of one surface of the plate. Since these indentation...
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6222527 |
Compact key structure
A key structure comprises base plate, elastic member, frame and cap wherein the conductive membrane thereof is single-film structure, the contact of the conductive membrane corresponding to each...
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6218967 |
Arrangement for the optical remote control of apparatus
An arrangement for the optical remote control of an apparatus such as a data terminal, an online bill payment terminal, movement surveillance equipment or the like, employing the palm of a hand or...
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6130425 |
Rotating detecting device of multi-rotation body
Disclosed is a rotation detecting device of a multi-rotation body, in which a code plate of an incremental encoder is fixedly mounted to a first rotor which is rotatably supported on a housing; a...
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6107621 |
Modular encoder and method of manufacturing the same
Each component of a modular encoder can be formed so as to be fixed to a rotary shaft of a rotating unit in a horizontal direction (a direction of a shaft line of a rotary shaft). Consequently, the...
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5909210 |
Keyboard-compatible optical determination of object's position
A method of determining an object's position and associated apparatus provides positional information in a form that may be conveniently communicated to a computer to calculate the object's...
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5818037 |
Controller using a flexible element to vary light transferred to a photosensitive element
A controller has a light source, such as a light emitting diode ("LED") and a photosensitive element, such as a photodiode mounted on a substrate, such as a printed circuit board ("PCB"). The...
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5815109 |
Transmitter/receiver module of cordless keyboard assembly
A transmitter/receiver module of cordless keyboard assembly adapted to be received and fixed inside a disk driver slot provided on the front panel of a computer casing is disclosed, including a...
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