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Class Information
Number: 341/26
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad > With particular key scanning feature
Description: Subject matter having a detail of a device which sequentially senses the state of the plural control elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE41017 |
Circuit layout arrangement for key switch signal recognition |
Dec. 1, 2009 |
| 7619544 |
BIOS password security using modified scan codes |
Nov. 17, 2009 |
| 7612690 |
Method and apparatus for scanning a key or button matrix |
Nov. 3, 2009 |
| 7525453 |
Computer system with enhanced range passive wireless keyboard |
Apr. 28, 2009 |
| 7522070 |
Method and apparatus for high performance key detection with key debounce |
Apr. 21, 2009 |
| 7504967 |
Portable electronic device with keyboard |
Mar. 17, 2009 |
| 7495657 |
Keyboard |
Feb. 24, 2009 |
| 7453376 |
Method, apparatus, and computer-readable medium for key press determination |
Nov. 18, 2008 |
| 7450031 |
Universal mobile keyboard |
Nov. 11, 2008 |
| 7446676 |
Self-scan programmable keypad interface |
Nov. 4, 2008 |
| 7443317 |
Input device |
Oct. 28, 2008 |
| 7425904 |
Keypad circuit with electrostatic discharge protection |
Sep. 16, 2008 |
| 7423556 |
Method and device for key input in mobile terminal |
Sep. 9, 2008 |
| 7420479 |
Universal keyboard controller data protocol |
Sep. 2, 2008 |
| 7420480 |
Methods, systems, and computer program products for iteratively providing feedback via a user interface for multi-character, multi-mode alphanumeric data entry |
Sep. 2, 2008 |
| 7417565 |
Keyboard for hand-held devices |
Aug. 26, 2008 |
| 7417566 |
Sequential two-key system to input keyboard characters and many alphabets on small keypads |
Aug. 26, 2008 |
| 7403188 |
Handheld electronic device with text disambiquation employing advanced word frequency learning feature |
Jul. 22, 2008 |
| 7391343 |
Input device |
Jun. 24, 2008 |
| 7389454 |
Error detection in user input device using general purpose input-output |
Jun. 17, 2008 |
| 7388536 |
Remote control unit, electronic device and method for controlling electronic device |
Jun. 17, 2008 |
| 7388520 |
Apparatus and method for decoding a key press |
Jun. 17, 2008 |
| 7379394 |
System and method for modifying button functionality |
May. 27, 2008 |
| 7375655 |
Keyboard without ghost keys |
May. 20, 2008 |
| 7362244 |
User programmable input apparatus with a keyboard |
Apr. 22, 2008 |
| 7356626 |
Method and device for signal protection |
Apr. 8, 2008 |
| 7345598 |
Electronic device with keyboard system and method of detecting key conditions thereof |
Mar. 18, 2008 |
| 7339499 |
Keypad signal input apparatus |
Mar. 4, 2008 |
| 7336206 |
Input key and input apparatus |
Feb. 26, 2008 |
| 7330134 |
Key construction method for a keyboard and the keyboard thereof |
Feb. 12, 2008 |
| 7330135 |
Method and a device for reading out keyboard keys |
Feb. 12, 2008 |
| 7310054 |
Computer keyboard assembly having separable top and bottom modules |
Dec. 18, 2007 |
| 7295188 |
Modified computer keyboard number pad |
Nov. 13, 2007 |
| 7271743 |
Switch arrangement and a switch matrix structure for a keypad |
Sep. 18, 2007 |
| 7256769 |
System and method for text entry on a reduced keyboard |
Aug. 14, 2007 |
| 7256714 |
Keyboard with reduced keying ambiguity |
Aug. 14, 2007 |
| 7248867 |
Locking/unlocking a portable electronic device |
Jul. 24, 2007 |
| 7242340 |
Input device and input method |
Jul. 10, 2007 |
| 7242323 |
Electronic device having touch sensor |
Jul. 10, 2007 |
| 7230548 |
Method and apparatus for high performance key detection with key debounce |
Jun. 12, 2007 |
| 7218250 |
Method and apparatus for keyboard control with programmable debounce and jog |
May. 15, 2007 |
| 7215257 |
Depression judgment device |
May. 8, 2007 |
| 7170430 |
System, method, and computer program product for single-handed data entry |
Jan. 30, 2007 |
| 7167107 |
Keypad array having reduced number of input/outputs and method for generating same |
Jan. 23, 2007 |
| 7161505 |
A/D converter with comparators and low-power detection mode for resistive matrix keyboards |
Jan. 9, 2007 |
| 7158055 |
Key input circuit, power supply control apparatus, and power supply control method |
Jan. 2, 2007 |
| 7158056 |
Method and apparatus for scanning a key or button matrix |
Jan. 2, 2007 |
| 7151432 |
Circuit and method for a switch matrix and switch sensing |
Dec. 19, 2006 |
| 7145481 |
Method and apparatus for trusted keyboard scanning |
Dec. 5, 2006 |
| 7133668 |
Wireless human input device and transmission-quality test method |
Nov. 7, 2006 |
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