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Class Information
Number: 341/24
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad > With error prevention means (e.g., debounce, antichatter)
Description: Subject matter including compensation for improper system operation or operator actuation.










Sub-classes under this class:

Class Number Class Name Patents
341/25 With rollover feature (i.e., antidoublestrike) 58


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8711025 Method for configuring analog-to-digital converter keys and non-transitory machine readable medium storing program code executed for performing such method Apr. 29, 2014
8692694 Method to detect and recover from stuck keys on an electronic device keyboard Apr. 8, 2014
8621380 Apparatus and method for conditionally enabling or disabling soft buttons Dec. 31, 2013
8577428 Information processing apparatus Nov. 5, 2013
8564460 Keyboard device and method of identifying a key operation Oct. 22, 2013
8537107 Discriminating among activation of multiple buttons Sep. 17, 2013
8441377 Method of dynamically adjusting long-press delay time, electronic device, and computer-readable medium May. 14, 2013
8442578 Mobile personal services platform for providing feedback May. 14, 2013
8432300 Keypad membrane security Apr. 30, 2013
8350730 Keyboard scan Jan. 8, 2013
8350733 Keyboard scan for human interface devices Jan. 8, 2013
8339292 Key operation device and mobile terminal device Dec. 25, 2012
8314723 Ghost key detecting circuit and related method Nov. 20, 2012
8305241 Keyboard module for avoiding accidental operation Nov. 6, 2012
8274408 USB keyboard arrangement having N-keys rollover and the method thereof Sep. 25, 2012
8274410 Data input interface and method for inputting data Sep. 25, 2012
8269655 Key control circuit, electronic apparatus, portable device, and key control method Sep. 18, 2012
8258985 Scanning circuit and scanning method for keyboard Sep. 4, 2012
8253603 Electronic device with typing prompt function Aug. 28, 2012
8232968 Handheld electronic device with text disambiguation and selective disabling of frequency learning Jul. 31, 2012
8159372 Keyboard with plural key switch matrices to detect ghosting Apr. 17, 2012
8138953 Method for inputting character Mar. 20, 2012
8106795 Mobile device Jan. 31, 2012
8102285 Modular debouncing device Jan. 24, 2012
8031088 Method and apparatus for high performance key detection with key debounce Oct. 4, 2011
8000741 Handheld wireless communication device with chamfer keys Aug. 16, 2011
7941580 Apparatus and methods for providing keypress commands and directional commands to a mobile computing device May. 10, 2011
7847614 Switch noise reduction device and method using counter Dec. 7, 2010
7809867 Keypad de-bouncing apparatus and method Oct. 5, 2010
7786901 Key press registration in an electronic device with moveable housings Aug. 31, 2010
7714746 Method and apparatus for keyboard readout May. 11, 2010
7453376 Method, apparatus, and computer-readable medium for key press determination Nov. 18, 2008
7446676 Self-scan programmable keypad interface Nov. 4, 2008
7386882 Key pad decoder Jun. 10, 2008
7356626 Method and device for signal protection Apr. 8, 2008
7218250 Method and apparatus for keyboard control with programmable debounce and jog May. 15, 2007
7170428 Electronic device and method of managing its keyboard Jan. 30, 2007
7167107 Keypad array having reduced number of input/outputs and method for generating same Jan. 23, 2007
7091953 Multi-purpose keyboard Aug. 15, 2006
7091955 Multi-purpose keyboard Aug. 15, 2006
7056043 Keyboard for a mobile device Jun. 6, 2006
6954134 Apparatus and method for timing an output of a remote keyless entry system Oct. 11, 2005
6947031 Data processing apparatus with replacement keyboard Sep. 20, 2005
6876354 Keyboard type input device and portable information processor Apr. 5, 2005
6781574 Apparatus and method for preventing poor operation of key due to chattering noise Aug. 24, 2004
6748468 Caps lock notification Jun. 8, 2004
6710769 Portable computing device that records operator inputs Mar. 23, 2004
6681347 Method for testing keyboard complied with language code Jan. 20, 2004
6677931 Keyboard Jan. 13, 2004
6661408 Touch screen capable of isolating noise signals Dec. 9, 2003

1 2 3 4










 
 
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