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Browse by Category: Main > Information Technology
Class Information
Number: 341/29
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad > With variable pulse spacing or grouping
Description: Subject matter in which the duration of or between pulses, or the order of diverse types of pulses, is varied.










Patents under this class:

Patent Number Title Of Patent Date Issued
8446298 Quick record function in a smart pen computing system May. 21, 2013
8442578 Mobile personal services platform for providing feedback May. 14, 2013
8350733 Keyboard scan for human interface devices Jan. 8, 2013
8344915 Keyboard and information processing device Jan. 1, 2013
8264381 Continuous automatic key control Sep. 11, 2012
8226308 Ergonomic keyboard with divided keys Jul. 24, 2012
8081092 Method for entering characters on a keyboard and a keyboard Dec. 20, 2011
7715882 Mobile terminal apparatus, character input method and character input program May. 11, 2010
7634454 Concept keywords colorization in program identifiers Dec. 15, 2009
7541946 Relaxation oscillator based keypad decoder Jun. 2, 2009
7446691 Methods and apparatus for multiplexed signal sources using an analog-to-digital converter Nov. 4, 2008
7248195 Methods and apparatus for multiplexed digital inputs using an analog-to-digital converter Jul. 24, 2007
7196640 Relaxation oscillator based keypad decoder Mar. 27, 2007
7064682 Relaxation oscillator based keypad decoder Jun. 20, 2006
6912605 Method and/or apparatus for implementing security in keyboard-computer communication Jun. 28, 2005
6715086 Data processing system and method having time-span support for input device driver Mar. 30, 2004
6603410 Reproducing arrangement for the reproduction of compressed data in a multi-speed reproducing mode Aug. 5, 2003
6538595 System and method for using infrared remote control packet delivery in a wireless keyboard having a pointing device Mar. 25, 2003
6369803 Active edge user interface Apr. 9, 2002
6212412 System and method for character case control in a wireless communication device Apr. 3, 2001
6184805 Apparatus and a method for keyboard encoding Feb. 6, 2001
4891786 Stroke typing system Jan. 2, 1990
4814741 Digital remote control device Mar. 21, 1989
4680729 Method and apparatus for storing and updating user entered command strings for use with otherwise unassigned softkeys Jul. 14, 1987
4673919 Manual control device Jun. 16, 1987
4670747 Alphanumeric entry system having an electronic lock feature Jun. 2, 1987
4660034 Information input machine Apr. 21, 1987
4649231 Method for the transmission of characters by means of the code combinations of a telegraph alphabet Mar. 10, 1987
4647911 Calculator with definable keys Mar. 3, 1987
4639554 Dual-tone multiple-frequency-signal generating apparatus Jan. 27, 1987
4632001 Polyphonic electronic musical instrument performing D/A conversion of tone waveshape data Dec. 30, 1986
4595798 Telephone number input terminal devices Jun. 17, 1986
4521870 Audio/video system having touch responsive function display screen Jun. 4, 1985
4307383 Touch sensitive control panel utilizing pyroelectric material Dec. 22, 1981
4251805 Circuit arrangement for an input keyboard Feb. 17, 1981
4179748 Programmer and method of storing information therein and accessing information therefrom Dec. 18, 1979
4132871 Digitally synthesized multi-frequency signal generator Jan. 2, 1979
4119957 Digital display for cooking time and power of electric cooking device Oct. 10, 1978
4101871 Touch-tone encoder unit for mobile radio transmitter Jul. 18, 1978
4092599 Annunciator communication system May. 30, 1978
4075621 Hand held communication aid for the dumb Feb. 21, 1978
4065755 Touch-Tone encoder unit for mobile radio transmitter Dec. 27, 1977
4056692 Digital tone generator Nov. 1, 1977
4038640 Interactive control system Jul. 26, 1977
4010447 Signal transmitter using an active thick film substrate Mar. 1, 1977
3942175 Multipurpose keyboard system Mar. 2, 1976











 
 
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