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5880539 |
Electromagnet induced switch
The present invention relates to an electromagnet induced switch comprises a substrate having an upper and lower conductive membranes, a plurality of electromagnet induced switches and a circuit...
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5880685 |
Computer keyboard with accessory platform
A keyboard for use with a computer is disclosed. The keyboard has an array of keys made up of four rows such that all keys are accessible by a user using finger and thumb movements of the user's...
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5880462 |
Keying apparatus with thumb gap
A photoelectric keyboard switch apparatus comprising a first structure to produce and detect laterally directed and longitudinally spaced first light beams at a first level in a simulated keyboard...
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5877709 |
Keyboard arrangement and method for identifying a pressed key
In a keyboard arrangement and method for identifying a pressed key according to the present invention, conductor lines (4', 6') at each key (B), which may be connected together, are connected to a...
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5872561 |
Fast scanning switch matrix
Driving circuitry for a switch matrix provides a reset voltage to all rows of the matrix in between scans to recharge switch capacitance. Column detection circuitry is disabled in between scans so...
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5872527 |
Medical keyboard apparatus provided with data inputting mechanical switches and function executing flat switches
Keys forming a data inputting part to input such data as characters are formed of mechanical switches large in the operating stroke so that data of many inputting key operations may be input by a...
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5870082 |
Pointing device with reciprocating grip cap
A user-manipulable in-keyboard pointing device is provided, for use in portable electronic apparatus such as laptop computers, for allowing the user to move a symbol, such as a cursor, around a GUI...
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5870034 |
Compact computing device having a compressible keyboard
A compressible keyboard utilizing flexible key skirts is disclosed to provide portable electronic devices, such as notebook computers with the capability of a full-size or nearly full-size keyboard...
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5870033 |
Keyboard, in particular a membrane keyboard
A keyboard system for activating equipment to be operated, including: a keyboard for generating activation signals, a wireless transmitter for wirelessly transmitting the activation signals; and a...
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5865546 |
Modular keyboard for use in a computer system
A computer system including a modular keyboard assembly allows input device modules to be inserted into the keyboard assembly. The modular keyboard assembly includes a plurality of recessed opening...
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5861823 |
Data entry device having multifunction keys
A data entry device is provided, having as its primary function the entry of numeric data. A secondary function is the entry of alphabetic characters. The device is operated with a single hand and...
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5861821 |
Keyboard-type input apparatus
A keyboard-type input apparatus has a main key area consisting of at least fifteen keys arranged in a three-line and five-column state to include a basic side either on right or left side of the...
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5861822 |
Wire/wireless keyboard, and control method therefor
A wire/wireless keyboard and a control method therefor. The keyboard can be used as a wire keyboard if a main body connecting section of the keyboard is connected to a computer body, and the...
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5859599 |
Keyboard
A keyboard for lowering the power consumption for key code transmission and enhancing the reliability in code transmission. When key codes corresponding to an operated key in the laid out keys are...
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5856785 |
Computer system having capslock ON audible warning signal
An apparatus and method for generating an audible indication during the time that a computer system has been toggled into a mode wherein all the letters of the alphabet a displayed in the upper...
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5856794 |
Method and apparatus for scanning keyboard and diode option
A method and apparatus for improved scanning keyboard and diodes option is disclosed. Each of the pins is treated as one independent dimension so as to define a multi-dimensional configuration. The...
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5852414 |
4-way triangular-shaped alphanumeric keyboard
A triangle shape 4-way switching button for entering alphanumeric data on a 10-key pad. Each key may be used to input four characters by pressing the center of the key or one of the three corners....
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5850194 |
Computer key
A computer key includes a one-piece base plate which is punched to form left and right retaining guideways that are spaced from each other in a longitudinal direction of the base plate. The...
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5847697 |
Single-handed keyboard having keys with multiple characters and character ambiguity resolution logic
A character generator for a keyboard where the keyboard has keys for entry of characters. Each key is assigned a character and each of at least some of the keys are multiple-character keys assigned...
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5847664 |
Remote control assembly for operating audio components in motor vehicles
A remote control assembly for operating an audio component in a motor vehicle includes a steering wheel having a front side and a back side, and a control for operating a function of the audio...
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5841374 |
Micro word-pad with tactile multifunctional keys
An improved key and keyboard arrangement for a compact word processor, the keyboard arrangement consisting of only twelve toggle keys with each key capable of seven functions, six of the keys being...
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5841373 |
Simplified alphabetic communicator for handicapped or infirmed persons
A silent communicator for persons who are incapable of communicating their needs. The communicator is comprised of a display panel mounted on an arm which is in turn mounted on a bed rail or other...
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5838263 |
Keyboard structure of a portable computer
A keyboard structure of a portable computer, including a keyboard adjusting/retaining device mounted on a main body of the computer and a keyboard device, the keyboard adjusting/supporting device...
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5831556 |
Pin-reduced low power keyboard scanner
An arrangement for providing key switch actuation detection which reduces the number of key switch inputs required at a key switch controller. A key scanning system for detecting the activation of...
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5826992 |
Ergonomic keyboard with wrist support
An ergonomic keyboard is provided having a top surface and a bottom surface and a front edge closest to the user, and a plurality of keys arranged in a plurality of adjacent rows. Each row includes...
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5828323 |
High speed keyboard for computers
An ergonomic keyboard utilizing ten keys which are activated in pairs to produced coding signal representing alphabetic symbols of a conventional computer keyboard. The keyboard is operated as a...
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5822703 |
Portable telephone with dial keys and line keys mounted on different surfaces
A portable telephone has external line reception keys which are depressed to capture an external line arranged on a first outer surface of the telephone body and dial keys for call generation...
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5821881 |
Data input by means of a keyboard and a touch-sensitive graphical data input field
A data processing system is provided for emulating keyboard input. In one embodiment, the invention provides a contact sensitive graphical data input-output field for receiving graphical user input...
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5818357 |
Chair with a supplemental keyboard and a keyboard system
A chair having keyboard halves arranged in the armrests. The keys in the keyboard halves can be operated by left and right hands, respectively. The keyboard provided in the chair can be used as a...
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5818361 |
Display keyboard
A display keyboard including a conventional keyboard having an upper edge, lower edge, and pair of side edges. A plurality of display keys are situated on the keyboard. Each display key has a...
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5818360 |
Configuration for a computer input device
This invention discloses an ergonomically designed keyboard which alleviates carpal tunnel syndrome. It comprises a keyboard and a tilting mechanism which tilts the keyboard so that the keys...
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5815095 |
Surveying instrument
A surveying instrument including an operating portion having a number of keys including specific keys which are assigned specific functions, an indicator which produces an indication corresponding...
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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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5808567 |
Apparatus and method of communicating using three digits of a hand
An apparatus and method is provided for inputting information to an electronic device using the primary digit and first and second ancillary digits of the operator's hand. In the preferred...
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5805084 |
System for activation of a keyboard lock
The invention relates to a method whereby a communication apparatus, advantageously a portable telephone, is set in a keyboard lock mode (130). The communication apparatus comprises a call...
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5805085 |
Apparatus and method for scanning a key matrix
An apparatus and method for scanning a triangular or trapezoidal key matrix for data input by depressing keys of a keypad. The key matrix allows an increased number of keyswitches to be provided on...
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5805256 |
Remote control with a thumbswitch for controlling equipment that handles video or audio signals
A remote control can signal equipment that handles a video or audio signal, such as a television. The remote control has a bar with a central longitudinal axis. The bar has a head and is sized to...
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5798716 |
Method and apparatus for detecting key actuations
An electronic device (100) comprises a first plurality of keys (117), a second plurality of keys (119), and a processor (506) having a plurality of inputs (600) and an output (620). The output...
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5798715 |
Method and device for accessing remote control functions
A remote control includes a cover plate formed of a single piece of rigid material. The cover plate is removably attached to the remote control and is adapted for preventing depression of a first...
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5796354 |
Hand-attachable controller with direction sensing
Disclosed is a hand attachment for providing command signals to control movement of at least one object responsive to hand movement. The hand attachment includes a glove base assembly having an...
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5793311 |
Low profile keyboard
A keyboard (54) includes a plurality of keys (30). As during a keystroke, the sidewall (34) of the keys (30) deform, causing a change in an electrical property for that key. If the sidewalls (34)...
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5793312 |
Data entry system
A data entry system for use with one hand that includes nine primary keys and four secondary keys. The nine primary keys are arranged in three symmetrical rows of three keys each and, thereby, form...
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5793358 |
Method and means for managing a luminescent laptop keyboard
A method and means for flash charging a plurality of phosphorescent-coated, touch-sensitive keys using a planar, light-transmissive multicolor liquid crystal display (LCD) where the tripping event...
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5788386 |
Compact ergonomic keyboard
A keyboard includes a first keyboard unit for left hand operation of an operator, a second keyboard unit separable from the first keyboard unit, for right hand operation of the operator, and a fix...
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5790103 |
Ergonomic keyboard entry system
An ergonomic keyboard entry system (100) is provided. The system (100) includes a base (200) on which is provided a set of first control keys (120) for assigning an output function selected by...
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5785439 |
Environmentally safe machine control security switch
A keyboard where no finger pressure is needed to input data, that uses rows of emitters opposed by rows of detectors to detect a finger position, that is environmentally sealed, and inherently...
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5786776 |
Character input terminal device and recording apparatus
Texts including required message are entered with a small number of keys such as those of a cellular telephone. In this case, a conversion table is unnecessary and the number of key operations is...
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5783874 |
Keypad handling circuits
A key handling circuit for a switching matrix having row and column conductors includes bidirectional drives for the row conductors and the column conductors. The row drive and the column drive are...
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5784008 |
Word processing
A method and system for inputting text in a word processing system. A set of words is assigned to predetermined specific keys for later quick input. The set of words is dynamically changed during...
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5781127 |
Keyboard
The invention comprises a finger actuated one handed keyboard having a palm rest portion for the palm of the operator's hand to rest upon, and at least three finger actuated sleeve receptacle...
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