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Class Information
Number: 400/486
Name: Typewriting machines > Key-board or key lever-actuating mechanism > Key-board arranged according to character location
Description: Subject matter wherein significance is attributed to the positioning relative to one another of the key* elements that are each pressed to effect imprint of a particular character* symbol.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576662 |
Keypad array of portable terminal for input of alphabetic letters |
Aug. 18, 2009 |
| 7561685 |
Handheld electronic device with keyboard |
Jul. 14, 2009 |
| 7534060 |
Keypad and handheld electronic device |
May. 19, 2009 |
| 7506252 |
Speed typing apparatus for entering letters of alphabet with at least thirteen-letter input elements |
Mar. 17, 2009 |
| 7489301 |
Split Keyboard |
Feb. 10, 2009 |
| 7385808 |
Electronic apparatus with keyboard |
Jun. 10, 2008 |
| 7334952 |
Staggered keyboard for a portable device |
Feb. 26, 2008 |
| 7322759 |
Keyboard apparatus |
Jan. 29, 2008 |
| 7324019 |
Adjustable ergonomic keyboard for use with stationary palm and elements thereof |
Jan. 29, 2008 |
| 7311455 |
Keyboard for minimizing non-productive hand movements |
Dec. 25, 2007 |
| 7311454 |
Mobile device |
Dec. 25, 2007 |
| 7292248 |
Technique for storing and displaying computer text |
Nov. 6, 2007 |
| 7287921 |
Key array of keyboard |
Oct. 30, 2007 |
| 7255502 |
Keyboard with improved function and editing sections |
Aug. 14, 2007 |
| 7255503 |
Dual numerical keyboard based on dominance |
Aug. 14, 2007 |
| 7220431 |
Methods and compositions for applying pharmacologic agents to the ear |
May. 22, 2007 |
| 7220069 |
Staggered keyboard for a portable device |
May. 22, 2007 |
| 7218247 |
Brief numerical keypad and its output method |
May. 15, 2007 |
| 7186041 |
Keyboard layout for mouse or rocker switch text entry |
Mar. 6, 2007 |
| 7173814 |
Notebook computer keyboard system |
Feb. 6, 2007 |
| 7165900 |
Keyboard with improved function and editing sections |
Jan. 23, 2007 |
| 7165901 |
Keyboard with improved function and editing sections |
Jan. 23, 2007 |
| 7153049 |
Mobile device |
Dec. 26, 2006 |
| 7137749 |
Faster, practical keyboard |
Nov. 21, 2006 |
| 7131780 |
Keyboard |
Nov. 7, 2006 |
| 7113111 |
Keyboard arrangement for handheld electronic devices |
Sep. 26, 2006 |
| 7104711 |
Keyboard configuration system |
Sep. 12, 2006 |
| 7083342 |
Keyboard arrangement |
Aug. 1, 2006 |
| 7073964 |
Staggered keyboard for a portable device |
Jul. 11, 2006 |
| 7056044 |
Keyboard with improved function and editing sections |
Jun. 6, 2006 |
| 7056043 |
Keyboard for a mobile device |
Jun. 6, 2006 |
| 7029191 |
Apparatus for inputting special character and method for the same |
Apr. 18, 2006 |
| 7023364 |
Medical keyboard |
Apr. 4, 2006 |
| 7008127 |
Keyboard configuration system |
Mar. 7, 2006 |
| 7001087 |
Keyboard with improved function and editing sections |
Feb. 21, 2006 |
| 6989772 |
Keyboard apparatus and method for enhanced data entry capability |
Jan. 24, 2006 |
| 6979140 |
Keyboard with improved function and editing sections |
Dec. 27, 2005 |
| 6965511 |
System and method for personalizing an electrical device |
Nov. 15, 2005 |
| 6965372 |
User friendly keyboard |
Nov. 15, 2005 |
| 6932525 |
Keyboard arrangement for easy acquisition of typing skills |
Aug. 23, 2005 |
| 6919879 |
Hand-held electronic device with a keyboard optimized for use with the thumbs |
Jul. 19, 2005 |
| 6900794 |
Keyboard layout |
May. 31, 2005 |
| 6885318 |
Text entry method and device therefor |
Apr. 26, 2005 |
| 6885317 |
Touch-typable devices based on ambiguous codes and methods to design such devices |
Apr. 26, 2005 |
| 6883984 |
Keyboard with improved numeric section |
Apr. 26, 2005 |
| 6874960 |
Keyboard |
Apr. 5, 2005 |
| 6851877 |
Keyboard layout and method for data entry |
Feb. 8, 2005 |
| 6830396 |
Keyboard configuration system |
Dec. 14, 2004 |
| 6802661 |
Method of inputting alphanumeric codes by means of 12 keys |
Oct. 12, 2004 |
| 6771191 |
Key input device |
Aug. 3, 2004 |
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