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6144369 Signal processing system  
When the ball of a mouse is rotated, an up/down counter outputs a count N according to the direction of rotation and the amount of rotation. A controller compresses the count N to seven-bit data...
6137282 Time-domain reflectometry user input device  
A user input device is disclosed adapting the electronic components of a time-domain reflectometry material level sensor to replace traditional user input devices such as push-buttons, control...
6133833 Wireless add-on keyboard system and method  
A wireless keyboard or keypad (22) is powered remotely by a radio frequency exciter/receiver (20) and used in a radio frequency identification system (10). The wireless keyboard and the...
6130424 Fiber optic control with positive mechanical drive from joy stick  
Disclosed is a fiber optic control device having a joy stick, a housing which mounts the joy stick for universal pivotal movement on the housing from an upright axis thereof, a pair of mirrors...
6130628 Device for inputting alphanumeric and special symbols  
In a keyboard with a restricted number of input keys, shifting between upper-case and lower-case character letters is effected with a key which is otherwise available for character or symbol entry....
6127941 Remote control device with a graphical user interface  
A two-way remote control unit with a graphical user interface controls various audio/video devices interconnected in a multimedia system. The remote control unit includes a transceiver for...
6127949 Ergonomic computer keyboard  
An ergonomic, efficient unitary pyramidal-shaped data entry device includes left and right hand members separated from each other by a thumb control surface. Each hand member is formed with four...
6123474 Contiguous keypad with sets of keys on different planes  
A selective call receiver assembly (10) comprises a front housing (14) having a plurality of apertures (15 & 16) and a multiplanar functional keypad (20), wherein the keypad has a first set of keys...
6118436 Portable terminal apparatus having handwritten data input means  
A portable terminal apparatus including a main body with display unit capable of displaying a character or other patterns on an upper surface side thereof and a key display on a lower surface side...
6118432 Backtype  
The disclosure relates to a multifunctional (control, typing and editing) device for interactive computing, such as Web and Web TV computing. It consists of a frame, two removable letter keypads,...
6114978 Method and apparatus for assignment of shortcut key combinations in a computer software application  
A method is described for the selection and assignment of keyboard access mnemonics and accelerator key combinations as part of the application software development process. After determining...
6114977 Keyboard calculator system  
A keyboard for use with a computer. The keyboard has an alphanumeric keypad with alphanumeric keys, a calculator keypad with calculator keys including numeric and arithmetic keys which also...
6115616 Hand held telephone set with separable keyboard  
A detachable keyboard for a telephone set is provided in the form of a keyboard card clipped to the headset, which is completely detached from the body when unclipped. Wireless communication...
6111527 Expandable keyboard  
A keyboard assembly for handheld and subnotebook computers that offers the functionality and comfort of a full-size keyboard and increases the effective screen display area without affecting the...
6104318 Method for entering a special mode of an electric device  
A method for entering a special mode of an electric device in which the special mode such as a test mode exists. According to the method, at least two coded keys are continuously inputted. From an...
6102594 Keyboard for touch typing using only one hand  
Keyboard for one-handed touch typing derived from a normal Sholes keyboard, where each character-key is assigned two characters (for instance T/Y), thereby reducing the number of keys to...
6104317 Data entry device and method  
A data entry device with a digitizer (20) having key input regions (21) for receiving stroke inputs. Key input region have multiple characters indicated on them. The digitizer has an output...
6096989 Volume variable type switch structure  
A switch formed with a repulsive spring between a key top and a lower contact wherein the switch is provided with a repulsive spring for separating the key top and the lower contact. The switch is...
6092903 Lighted key board  
A lighted keyboard comprising numerous small grain of wheat type lamps embedded in translucent mounting blocks fixedly positioned between keypads wherein the keypads are constructed of translucent...
6094156 Handheld remote control system with keyboard  
A remote controller is adapted for use with an entertainment system of a type including a monitor or TV as well as providing functions such as Internet access or other functions requiring a...
6094197 Graphical keyboard  
A system and method for a graphical keyboard that benefits from the expressive power and intuitive ease of use associated with pen strokes and gestures, yet does not require complex...
6088220 Pocket computer with full-size keyboard  
Prior miniaturzed palm-top computers have reduced-size keyboards which are not useful for standard typing. The present invention provides a folding pocket-sized computer, comprising up to a 12"...
6087966 Keyboard device having height changeable key tops  
A keyboard device, in which the rotation of a cover to a closed position is transferred to racks via pawls attached to the shaft of the cover. The force applied by the pawls forces the racks to...
6084576 User friendly keyboard  
A ergonomic keyboard that is suitable for all devices interfacing with a keyboard; and that is able to transmit on an unlimited amount of information including the more than 50 alphabets of the...
6072472 Keyboard with power saving function and data storage capabilities  
A keyboard for reducing the power consumption of the controller when scanning the keys in the key matrix and/or transmitting the key codes of operated keys. The operation mode of the keyboard is...
6069614 Man machine interface via display peripheral  
An improved man machine interface for computer, television, electronic games and appliances, allowing rapid, easy and natural control and selections from a large array of choices. The remote...
6067033 Keyboard for an electronic device  
The present invention provides a keyboard arrangement having a Subkey that functions as an Enter key. The Subkey is provided between right and left groups of main keys to permit quicker and more...
6064668 Device control apparatus having input device selection switch with rubberized key  
A method and apparatus for controlling a remotely located audio-visual projector. In preferred embodiments, the invention enables connection of any selected one of a number of input devices (such...
6057788 Remote control keypad unit  
A remote control device for operating an electronic device having an means. The remote control device is configured to be grasped for operation by both hands of a user and is comprised of a body...
6054940 Keypad scanning security system  
A secure keypad device incorporating measures to prohibit electronic eavesdropping. Random interrogation of the rows and/or columns of a keypad matrix is employed to determine which key has been...
6054941 Apparatus and method for inputting ideographic characters  
An apparatus (100) and method for inputting ideographic characters. The apparatus (100) has an input pad with a predetermined number of input keys (102, . . . 111). Theoretically, at least a stroke...
6052070 Method for forming a character string, an electronic communication device and a charging unit for charging the electronic communication device  
A method for forming a character string, an electronic communication device (31) and a charging unit (29) for charging the electronic communication device, wherein the communication device (31)...
6049790 Protected keypad apparatus  
The invention relates to protected keypad apparatus, in particular for machines actuated by insertion of an electronic smart card. The keypad proper (10) comprises n sensitive zones (Zi), each...
6049697 Translator for messages transmitted to and received by a numeric pager  
A computer-based hand-held translator device for use in relation to preparing a numeric message for sending from a telephone having a telephone keypad to a numeric pager and also in relation to...
6043760 Language-dependent letter input by means of number keys  
In an apparatus with a limited keypad (100, 300) several characters can be associated with each key. Characters associated with a key are determined on the basis of the language selected (200) as...
6044422 Modem for connection to a telephone line through a either portable computer connector or a docking station via an isolation circuit  
A laptop computer contains a built-in modem and has a phone jack for connection to a telephone line while the computer is being operated in a stand-alone mode. A docking station into which the...
6040788 Cache based scan matrix keyboard controller  
The present invention comprises a cache based scan matrix keyboard controller system. The cache based scan matrix keyboard controller system includes a plurality of keys on a keyboard adapted to...
6040822 Illuminated keyboard system  
An electronic luminescence keyboard system in a device which includes one or more keypads and an illuminated panel which displays information responsive to the pressing of at least one keypads is...
6040977 Palm rest for a keyboard or a portable computer having a numeric keypad  
A portable computer includes a base with a keyboard on an upper surface and having a front portion and a rear portion. A display housing is connected to the base. There is a palm rest disposed and...
6039478 Ergonomical keyboard assembly  
An ergonomical keyboard assembly includes an upper cover, a lower base plate connected to the cover, and a unitary keyboard. The upper cover includes a hollow frame that confines an opening. The...
6031471 Full alphanumeric character set entry from a very limited number of key buttons  
A graphical machine-user interface includes a processor connected to a display screen to generate a screen display of individual items in groups together with the selector indication. The processor...
6031470 Method and device for transmitting key operation information and transmission-reception system  
An IR keyboard 1 generates key code information corresponding to key operated to add break flag information indicating distinction between in-operation and operation release to the key code...
6028538 Method, keyboard and system for transmitting key characters  
A method for transmitting key characters representative of keys on a keyboard is provided. A probability of use for one or more of the key characters may be determined by counting the number of...
6020833 Method and interface circuit for scanning keys and external resistors in keypad  
A method and an interface circuit for scanning keys and external resistors of a keypad are disclosed. The interface circuit includes: (a) an I/O device including m output ports and n input ports...
6018335 Programmable keyboard and method therefor  
An apparatus adapted to be coupled between a keyboard and a computer to enable a user to define desired keys as coded keys which are associated with MACROS defined by the user. The apparatus...
6018334 Computer pointing device  
A computer pointing device including a supporting member which supports or forms a part of a conventionally-known QWERTY keyboard. The supporting member is movable relative to a supporting surface...
6011578 System for collecting audience response data  
A system and apparatus for collecting response data. A response unit is provided having a dial, keypad, and a biconditional response mechanism. The response unit operates in two modes, a dial mode...
6011495 Multimedia keyboard structure  
A multimedia keyboard structure which includes a standard keyboard having a control key pad having a set of keys for cursor, number, screen scroll and multimedia function controls. The control key...
6005497 Power control latch  
A power control latch which is connected to an electronic device having first and second parts which are movable relative to each other between a first position and a second position. The power...
6005488 User control interface architecture for automotive electronic systems  
The software and hardware resources of an electronic system are organized in an architecture which creates a single data table in program memory for the assignment of user controls to system...