Pointing stick in a computer keyboard for cursor control

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Pointing stick in a computer keyboard for cursor control is a shaft that extends through an aperture in a modified key cap with the purpose to eliminate the use of separate interface devices like mice and trackballs. Its patent was filed on 1994 and granted on 1995. [1]

Description

Pointing stick in a computer keyboard for cursor control

  • Inventor: Patrick J. Franz
  • Patent number: 5407285
  • Filing date: Jul 14, 1994
  • Issue date: Apr 18, 1995

Cited patents

  • US 3523184, "Operational keyboard system", issued Aug 4, 1970 
  • US 4680577, "Multipurpose cursor control keyswitch", issued Jul 14, 1987, assigned to Tektronix, Inc. 
  • US 4947461, "Multi-position electrical switch", issued Aug 7, 1990, assigned to Murakami Kaimeido Co. Ltd. 
  • US 5012230, "Input device for digital processor based apparatus", issued Apr 30, 1991, assigned to Sony Corporation 
  • US 5204511, "Alphanumeric keyboard", issued Apr 20, 1993, assigned to Siemens Nixdorf Informationssysteme AG 

Referenced by

  • US 5701142, "Pointing stick with tripod actuator for cursor control in a computer keyboard", issued Dec 23, 1997, assigned to In-Control Solutions, Inc. 
  • US 5760764, "Computer display cursor controller with serial interface", issued Jun 2, 1998, assigned to Altra 
  • US 5771037, "Computer display cursor controller", issued Jun 23, 1998, assigned to Altra 
  • US 5798754, "Grip cap for computer control stick", issued Aug 25, 1998, assigned to International Business Machines Corporation 
  • US 5805139, "Computer system with standard built-in pointing device, which is connectable to optional external pointing device", issued Sep 8, 1998, assigned to Kabushiki Kaisha Toshiba 
  • US 5894301, "Collar mounted pointing stick", issued Apr 13, 1-999, assigned to CTS Corporation 
  • US 5966117, "Z-axis sensing pointing stick with base as strain concentrator", issued Oct 12, 1999, assigned to CTS Corporation 
  • US 6002388, "Pointing stick having a flexible interposer", issued Dec 14, 1999, assigned to CTS Corporation 
  • US 6121954, "Unified bodied z-axis sensing pointing stick", issued Sep 19, 2000, assigned to CTS Corporation 
  • US 6128671, "Tactile feel device having a plurality of pins that allow a user to read information from the pins and make selection by depressing the pins", issued Oct 3, 2000, assigned to F.J. Tieman B.V. 
  • US 6137475, "Pointing stick having an interposer connecting layer", issued Oct 24, 2000, assigned to CTS Corporation 
  • US 6184865, "Capacitive pointing stick apparatus for symbol manipulation in a graphical user interface", issued Feb 6, 2001, assigned to International Business Machines Corporation 
  • US 6239786, "Pointing stick with top mounted z-axis sensor", issued May 29, 2001, assigned to CTS Corporation 
  • US 6331849, "Integrated surface-mount pointing device", issued Dec 18, 2001, assigned to CTS Corporation 
  • US 6359613, "Pointing stick having chip resistors", issued Mar 19, 2002, assigned to CTS Corporation 
  • US 6433777, "Apparatus for extending a cursor control stick", issued Aug 13, 2002, assigned to Gateway, Inc. 
  • US 6621485, "Gel cushion for keyboard cursor control stick", issued Sep 16, 2003, assigned to GIV, LLC 
  • US 6724369, "Textured cushion for keyboard cursor control stick", issued Apr 20, 2004, assigned to GIV, LLC 
  • US 6970159, "Mouse printing device with integrated touch pad buttons", issued Nov 29, 2005 
  • US 8120579, "Textured cushion for cursor control stick", issued Feb 21, 2012, assigned to GIV, LLC 

Images

References

  1. US patent 5407285, Patrick J. Franz, "Pointing stick in a computer keyboard for cursor control", issued 18 April 1995