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Class Information
Number: 235/146
Name: Registers > Keyboards > Auxiliary
Description: Keyboards which are supported above or otherwise adjacent to the main keyboard of the machine, often for performing some function additional to that of the main keyboard.










Patents under this class:

Patent Number Title Of Patent Date Issued
7992769 Positioning mechanism and keypad using the same Aug. 9, 2011
7056043 Keyboard for a mobile device Jun. 6, 2006
6991389 Foldable keyboard Jan. 31, 2006
6869011 Apparatus and method for controlling an electrical switch array Mar. 22, 2005
6762697 Keyboard with function keys Jul. 13, 2004
6380924 Mouse/keyboard capture recorder (MCR) apparatus and methodology Apr. 30, 2002
5982613 Open-surfaced receptacle in an electronic product for a removable electronic module Nov. 9, 1999
5894406 Elevated separate external keyboard apparatus for use with portable computer Apr. 13, 1999
5601489 Compact electronic apparatus with removable processing units Feb. 11, 1997
5514855 Computer keyboard adapter providing large size key surfaces May. 7, 1996
5456542 Adjustable data entry keyboard Oct. 10, 1995
5214421 Automatic keyboard and monitor switching device May. 25, 1993
5105068 Pocket calculator Apr. 14, 1992
5089690 Keyboard overlay Feb. 18, 1992
4977298 Panel switch Dec. 11, 1990
4964075 Software and hardware independent auxiliary user programmable intelligent keyboard Oct. 16, 1990
4890832 Compact electronic apparatus with removable processing units Jan. 2, 1990
4853838 Display and data-insertion module having multiple assembly possibilities Aug. 1, 1989
4786768 Manual cursor actuator for electronic keyboards Nov. 22, 1988
4775782 Checkout counter with remote keyboard writing pad and display Oct. 4, 1988
4689761 Multiple independent input peripherals Aug. 25, 1987
4680455 Method of manipulating a calculation and device used therewith Jul. 14, 1987
4595804 Auxiliary keyboard Jun. 17, 1986
4575591 Joystick attachment for a computer keyboard Mar. 11, 1986
4564751 Wrap-around auxiliary keyboard Jan. 14, 1986
4490604 Input/output device arrangements for terminals Dec. 25, 1984
4449762 Computer desk May. 22, 1984
4316082 Computer control apparatus Feb. 16, 1982
4297044 Additional attachment for all types of key operated machines Oct. 27, 1981
4208081 Easily reconfigurable data entry terminal Jun. 17, 1980
4158130 Interchangeable auxiliary keyboard Jun. 12, 1979
4152581 System for operating a postage metering machine keyboard May. 1, 1979
4138197 Key actuator Feb. 6, 1979
4119839 Keyboard mask for general-purpose calculator Oct. 10, 1978
4113980 Vehicle diagnostic hand control Sep. 12, 1978
4081631 Dual purpose, weather resistant data terminal keyboard assembly including audio porting Mar. 28, 1978
4020328 Auxiliary keyboard apparatus Apr. 26, 1977
3980869 Rotatable keyboard Sep. 14, 1976











 
 
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