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| Number | Title | Issue Date |
| 7423556 | Method and device for key input in mobile terminal A method for inputting characters in a mobile terminal is provided. The method involves the steps of detecting any key pressing event on a key input unit, storing the detected key pressing event and performing an operation corresponding to the key pressing event, de... | 09/09/2008 |
| 7370209 | Systems and methods for increasing the difficulty of data sniffing Disclosed are systems and methods for increasing the difficulty of data sniffing. In one embodiment, a system and a method pertain to presenting information to a user via an output device, the information corresponding to characters available for identification as p... | 05/06/2008 |
| 7352295 | Apparatus for and method of inputting alphabets using a reduced keypad The invention concerns an apparatus for inputting English alphabets, comprising: a keypad having five buttons of one central button, a left top button, a left bottom button, a right top button and a right bottom button arranged at each vertex of a square shape an d ... | 04/01/2008 |
| 7257528 | Method and apparatus for Chinese character text input A method and apparatus for inputting Chinese character text into a machine such as a word processor or personal computer. The system consists of an apparatus which forms a closed feedback loop with the operator. The operator supplies stroke selections and other data... | 08/14/2007 |
| 7139850 | System for processing programmable buttons using system interrupts System for processing programmable buttons using system control interrupts in a portable device. The system comprises a programmable button that comprises logic to generate a selected system control interrupt when actuated. The system also comprises interrupt logic ... | 11/21/2006 |
| 7135995 | Method for automatic determination of validity or invalidity of input from a keyboard or a keypad The method for automatic determination of validity or invalidity of input from miniaturized keypads or keyboards, in which more than one key is operated at the same time, includes designating a number of keys as principal keys and assigning each key neighboring each... | 11/14/2006 |
| 7116311 | Embedded text input An input device includes a plurality of character input keys and is operable in a single and a multiple alphabetic character input mode. In the single alphabetic character input mode, an individual character input key is assigned a single alphabetic character, and a... | 10/03/2006 |
| 7093099 | Native lookup instruction for file-access processor searching a three-level lookup cache for variable-length keys A processor natively executes lookup instructions. The lookup instruction is decoded to determine which general-purpose register (GPR) contains a pointer to a lookup key in a buffer. A variable-length key is read from the buffer and hashed to generate an index into ... | 08/15/2006 |
| 6974270 | Tape printing device The invention refers to a tape printing device (2) for hand-held operation, having a housing with a first part and a second part, wherein the first part of the housing comprises a surface with a keyboard with keys (6) for inputting desired characters t... | 12/13/2005 |
| 6952173 | Miniaturized 4-key computer keyboard operated by one hand A miniaturized single-hand keyboard for computers, PDAs, cellular phones and other portable electronic devices. The keyboard has only four keys, each operated by one finger. Characters are generated by depressing a single key or a combination of two keys in a ‘com... | 10/04/2005 |
| 6870528 | Portable mobile unit A portable mobile unit, comprising: an input portion for inputting a letter or a numeral therethrough, wherein the input portion has at least fourteen (14) pieces of input keys; five (5) alphabetic letters of indicative vowels of Japanese language are assigned to fi... | 03/22/2005 |
| 6727830 | Time based hardware button for application launch A method and system are provided for extending the functionality of application buttons on a limited resource computing device. Alternative application functions are launched based on the length of time an application button is pressed. A default function for an app... | 04/27/2004 |
| 6559778 | Alphanumerical keyboard An alphanumerical keyboard which includes a plurality of numeral keys and function keys is programmed so that an alpha-character will always be generated when exactly two mutually adjacent keys are depressed simultaneously, and that a numeral will always ... | 05/06/2003 |
| 6459390 | Method of inputting characters in a wireless portable terminal A method for inputting a plurality of characters in a wireless portable terminal of the type having a memory for storing a plurality of characters and a plurality of indices associated with each one of the plurality of characters, comprising the steps of:... | 10/01/2002 |
| 6380924 | Mouse/keyboard capture recorder (MCR) apparatus and methodology This apparatus is an add-on computer component peripheral for existing computer systems. The mouse/keyboard capture recorder (MCR) is capable of recording keyboard keystrokes, mouse coordinate movements, and mouse actions such as left, middle and right mo... | 04/30/2002 |
| 6378234 | Sequential stroke keyboard A keyboard having fewer keys than the characters available utilizes linked sequences of keystrokes in generation of some characters. Other characters may be produced with one keystroke. The difference between linked keystrokes and independent keystrokes b... | 04/30/2002 |
| 6346935 | Touch-sensitive tablet When an instructor such as a finger moves along a flat surface of a touch-sensitive tablet, a touch-sensitive tablet generates an input signal indicative of information of points touched with the instructor on the flat surface. A frame is provided around ... | 02/12/2002 |
| 6278384 | Keyboard control method and keyboard control apparatus A keyboard control apparatus for a keyboard having a multicode key, to which are assigned a plurality of codes for characters and symbols, and a control key which is to be pressed at approximately the same time as the multicode key, has a key pressing tim... | 08/21/2001 |
| 6275216 | Keyboard for inputting character and electronic apparatus using the same A plurality of keyboards are provided which are capable of inputting Japanese phonetic characters by letters and numerals and letters in English. In the Japanese phonetic character inputting mode, the numeric keys including "0" key 31 and "6" to "9" keys ... | 08/14/2001 |
| 6198474 | Computer keyboard having full-sized keys suitable for touch typing and thumb operable space key also acting as a shift key A compact electronic keyboard having full-size keys arranged in the standard QWERTY or DVORAK pattern but with a reduced width of the keyboard due to the elimination of the standard modifier keys normally positioned at opposite sides of the alphanumeric k... | 03/06/2001 |
| 6195671 | Electronic computing apparatus having arithmetic processing function and arithmetic processing method It is an object of the invention to provide an electronic computing apparatus having an arithmetic processing function and an arithmetic processing method which allow an arithmetic expression to be readily inputted. A screen showing stored contents of an ... | 02/27/2001 |
| 6195033 | Key mover The invention teaches remote control device for reassigning functions associated with one key to another key, wherein the functions are stored in memory. In one embodiment the remote control comprises a memory and a plurality of function instructions stor... | 02/27/2001 |
| 6043761 | Method of using a nine key alphanumeric binary keyboard combined with a three key binary control keyboard This invention relates to a novel way to use a twelve button telephone keypad for alphanumeric data entry. This invention also relates to a method of alphanumeric data entry using short duration or long duration binary key actuations using a simultaneous ... | 03/28/2000 |
| 6014092 | Key mover The remote control device comprises: A microprocessor including a CPU and a memory; a keypad including a set of keys coupled to the microprocessor; lamp driver circuitry coupled to the microprocessor; circuitry for generating IR signals coupled to the IR ... | 01/11/2000 |
| 5993089 | 8-bit binary code for use as an 8-dot braille arrangement and data entry system and method for 8-key chordic binary keyboards An alphanumeric data entry system for chordic keyboards permits the entry of vowels with the thumb and digits of the left hand and the entry of consonants with the thumb and digits of the right hand in combination with vowel chords from the left hand. Onl... | 11/30/1999 |
| 5987451 | Bible reference input device An input device that facilitates quick and easy entry of Bible references to look up Bible texts. Most Bible references of the preferred embodiment can be entered with only three keystrokes.... | 11/16/1999 |
| 5935225 | Method for expanding hot keys on a keyboard A method for expanding hot keys on a keyboard is provided wherein the standard key codes for alphabets A-Z, numbers 1-0, functional keys F1-F12, can be combined with E0 code of special key of the IBM keyboard, accordingly, a new expanding codes are establ... | 08/10/1999 |
| 5920303 | Dynamic keyboard and method for dynamically redefining keys on a keyboard pe1 A dynamic keyboard includes a plurality of keys, each with an associated symbol, which are dynamically redefinable to provide access to higher level keyboards. Based on sequenced symbols of keys sequentially activated, certain dynamic categories and s... | 07/06/1999 |
| 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 three symmetrical columns of three keys each. These prima... | 08/11/1998 |
| 5748177 | Dynamic keyboard and method for dynamically redefining keys on a keyboard A dynamic keyboard includes a plurality of keys, each with an associated symbol, which are dynamically redefinable to provide access to higher level keyboards. Based on sequenced symbols of keys sequentially activated, certain dynamic categories and subca... | 05/05/1998 |
| 5748511 | Multipurpose handheld electronic computer A multipurpose handheld electronic computer of the type comprising, in a same box-like body, a keyboard, a display, a CPU, a work memory, a mass storage device, and optional other components such as an acoustic warning device, a clock-calendar, and a comm... | 05/05/1998 |
| 5734928 | System for selecting a key by comparing the key code data of predetermined priority corresponding to key input flag of simultaneously pressed plurality of keys A CPU outputs a signal from an output port group, and receives an input signal from input port group, whereby a pressed key of input key group is detected. When there are a plurality of keys which are pressed, CPU selects a key with priority based on vali... | 03/31/1998 |
| 5661476 | Keyboard for personal information device A method for selecting a symbol using an M-key keyboard in a personal information device (PID) divides the M keys into a first key group and a second key group. Each symbol to be recognized from the input key-strokes on the keyboard is assigned a unique t... | 08/26/1997 |
| 5659308 | Keyboard scan code translation system and method Scan code generation for portable personal computers (PCs) using a matrix keyboard operates to produce keyboard output scan codes corresponding to IBM.RTM. compatible PC/AT scan codes. Key numbers are assigned to one or the other of two classes (simple an... | 08/19/1997 |
| 5576981 | Portable computer with interchangeable keypad and method for operating same A portable bar code reader including a keyboard and a bar code system computer wherein the bar code system computer is constructed for executing a standard operating system to enable the bar code system computer to execute standard application programs wr... | 11/19/1996 |
| 5535421 | Chord keyboard system using one chord to select a group from among several groups and another chord to select a character from the selected group A computer input system implementing a chord keyboard, with particular structuring of the encoding scheme for the chord keyboard, and a method of visual feedback of the operation of the keyboard presented in that structured form. The available characters ... | 07/09/1996 |
| 5448532 | Electronic world clock device for indicating times for various spots in the world An electronic world clock device indicates a time in connection with a designated region based on a time difference in a reference region to be stored, and comprises clock means for counting a present time in a specified home region and memory means for s... | 09/05/1995 |
| 5432510 | Ambidextrous single hand chordic data management device An ambidextrous, single hand data management device that has been ergonomically optimized to facilitate multiple key per character input, chording. The device has an arrangement of multiple keys which are so situated that the device can be held in either ... | 07/11/1995 |
| 5424966 | Calculating apparatus A calculating apparatus having numeral keys, operation keys, a decimal point key and an input information display portion. In this calculating apparatus, when a series of numerical values are input by the respective keys, the decimal point key is controll... | 06/13/1995 |
| 5383141 | Computer with few keys displaying hundreds of functions Utility of keyboard controlled multipurpose calculating computers with large numbers of modes of operation on data is substantially increased by making available these modes of operation with fewer keys on the keyboard and relating-the keyboard keys to in... | 01/17/1995 |
