Positioning system using infrared radiation

• US 5,796,387 A
• Filed: 08/16/1994
• Issued: 08/18/1998
• Est. Priority Date: 08/16/1994
• Status: Expired due to Fees

• Current Assignee: Smith Engineering Co.
• Original Assignee: Smith Engineering Co.
• Inventors: Smith, Jay III, Curran, Kenneth J.
• Primary Examiner(s): Hjerpe, Richard
• Assistant Examiner(s): KIM, JULIANA
• Application Number:
  US08/291,196
• Time in Patent Office: 1,463 Days
• Field of Search: 345/158, 345/157, 345/156, 345/161, 345/169, 463/37, 463/39
• US Class Current: 345/158
• CPC Class Codes: A63F 13/213 comprising photodetecting means, e.g. cameras, photodiodes or infrared cells A63F13/219, A63F13/655 take precedence
• CPC Class Codes: A63F 13/23 for interfacing with the game device, e.g. specific interfaces between game controller and console
• CPC Class Codes: A63F 13/428 involving motion or position input signals, e.g. signals representing the rotation of an input controller or a player's arm motions sensed by accelerometers or gyroscopes
• CPC Class Codes: A63F 13/5375 for graphically or textually suggesting an action, e.g. by displaying an arrow indicating a turn in a driving game
• CPC Class Codes: A63F 2250/1005 for angles
• CPC Class Codes: A63F 2300/1006 having additional degrees of freedom
• CPC Class Codes: A63F 2300/1025 details of the interface with the game device, e.g. USB version detection
• CPC Class Codes: A63F 2300/1087 comprising photodetecting means, e.g. a camera
• CPC Class Codes: A63F 2300/305 for providing a graphical or textual hint to the player
• CPC Class Codes: G06F 3/0325 using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device

Claims