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Class Information
Number: 400/492
Name: Typewriting machines > Key-board or key lever-actuating mechanism > Key-cap or key-stem structure > Adjustable in plane of key(s) (e.g., to facilitate reach, rotatable, etc.)
Description: Subject matter wherein said key* element has the topmost surface of its key cap lying in a particular plane, and wherein the position of said key cap relative to the key-board* may be varied while the top surface of the key cap remains in said particular plane.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7338224 |
Ergonomic keyboard apparatus |
Mar. 4, 2008 |
| 7273324 |
Adjustable wearable ergonomic split keyboard and mouse |
Sep. 25, 2007 |
| 7213991 |
Flexible foldable keyboard |
May. 8, 2007 |
| 7170427 |
Remote controller with a pressable casing for performing specific function |
Jan. 30, 2007 |
| 7131781 |
Keyboards |
Nov. 7, 2006 |
| 6984081 |
Adjustable keyboard with adjusting and locking mechanism, and method of its use |
Jan. 10, 2006 |
| 6967056 |
Key sheet |
Nov. 22, 2005 |
| 6950038 |
Collapsible keyboard |
Sep. 27, 2005 |
| 6903662 |
Computer input device with individually positionable and programmable input members |
Jun. 7, 2005 |
| 6830397 |
Expandable and contractible keyboard device |
Dec. 14, 2004 |
| 6822852 |
Handheld devices |
Nov. 23, 2004 |
| 6808328 |
Shiftable keyboard tray and method of use |
Oct. 26, 2004 |
| 6793421 |
Folding keyboard |
Sep. 21, 2004 |
| 6752551 |
Vertically expandable keyboard |
Jun. 22, 2004 |
| 6733196 |
Stroke-limited key structure and keyboard including the structure |
May. 11, 2004 |
| 6650254 |
Computer input device with individually positionable and programmable switches |
Nov. 18, 2003 |
| 6641316 |
Adjustable keyboard with adjusting and locking mechanism, and method of its use |
Nov. 4, 2003 |
| 6629794 |
Portable keyboard apparatus |
Oct. 7, 2003 |
| 6575647 |
Collapsible keyboard |
Jun. 10, 2003 |
| 6536966 |
Expandable keyboard for small computers and the like |
Mar. 25, 2003 |
| 6455794 |
Key switch device, keyboard with the key switch device, and electronic apparatus with the keyboard |
Sep. 24, 2002 |
| 6379062 |
Pseudo key structure for a detachable keyboard module |
Apr. 30, 2002 |
| 6331850 |
Collapsible keyboard |
Dec. 18, 2001 |
| 6174097 |
Collapsible keyboard |
Jan. 16, 2001 |
| 6092944 |
Expandable keyboard including flexible flat cable conductors |
Jul. 25, 2000 |
| 6068417 |
Electrical key connection for expandable keyboard |
May. 30, 2000 |
| 5951179 |
Method of operating a computer keyboard assembly |
Sep. 14, 1999 |
| 5951178 |
Expandable and compressible keyboard |
Sep. 14, 1999 |
| 5943041 |
Folding keyboard |
Aug. 24, 1999 |
| 5938353 |
Expandable keyboard for small computers and the like |
Aug. 17, 1999 |
| 5743666 |
Adjustable keyboard |
Apr. 28, 1998 |
| 5720562 |
Printer system with automatic ink ribbon cassette exchange function |
Feb. 24, 1998 |
| 5703578 |
Folding keyboard |
Dec. 30, 1997 |
| 5564844 |
Automatic keyboard moving apparatus |
Oct. 15, 1996 |
| 5481263 |
Computer with separate left hand and right hand operated keyboard units |
Jan. 2, 1996 |
| 5456542 |
Adjustable data entry keyboard |
Oct. 10, 1995 |
| 5439304 |
Keyboard |
Aug. 8, 1995 |
| 5411341 |
Keyboard for choice of symbols having hand supports |
May. 2, 1995 |
| 5388922 |
Miniature keyboard |
Feb. 14, 1995 |
| 5383735 |
Miniature keyboard with sliding keys |
Jan. 24, 1995 |
| 5178477 |
Ergonomic keyboard input device |
Jan. 12, 1993 |
| 5163765 |
Collapsible keyboard |
Nov. 17, 1992 |
| 5141343 |
Compressible/expandable keyboard with adjustable key spacing |
Aug. 25, 1992 |
| 5122786 |
Ergonomic keypads for desktop and armrest applications |
Jun. 16, 1992 |
| 5044798 |
Compressible/expandable keyboard with adjustable key spacing |
Sep. 3, 1991 |
| 4897649 |
Keyboard for data entry on control purposes |
Jan. 30, 1990 |
| 4597681 |
Adjustable keyboard |
Jul. 1, 1986 |
| 4564751 |
Wrap-around auxiliary keyboard |
Jan. 14, 1986 |
| 4516939 |
Finger control system |
May. 14, 1985 |
| 4421432 |
Key switch cap mounting arrangement |
Dec. 20, 1983 |
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