Keypad and method for arranging keys of the keypad in a clockwise orientation
Patent 6137426 Issued on October 24, 2000. Estimated Expiration Date: 
August 4, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 4, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References D142843 D145780 D249449 Cooking control circuit for cooking range Character data input keyboard arrangement having central matrix of keys Remote control devices Data input terminal Circular tactile keypad Patent #: 5479163 InventorAssigneeApplicationNo. 511268 filed on 08/04/1995US Classes:341/20, BODILY ACTUATED CODE GENERATOR379/368, Plural-switch number input device (e.g., keypad)D14/150With provision for dialing or switching (i.e., keyset touch panel, dial, etc.)ExaminersPrimary: Horabik, MichaelAssistant: Wong, Albert K. International ClassH04B 001/40AbstractA keypad and method for arranging keys on a keypad is accomplished by a keypad typically including numeric keys imprinted with or adjacent uniquely assigned numerals ranging from zero through nine. The keys are arranged in a continuous, typically ascending, sequence residing in two parallel rows arranged horizontally, vertically or diagonally in a clockwise orientation (i.e. traversal of all the keys of both rows in sequential order is in a clockwise direction).Field of SearchBODILY ACTUATED CODE GENERATORFor handicapped user Including keyboard or keypad Variable key legends Pressure sensitive actuation Mobile telephone type (i.e., cellular or cordless unit with provision for initiation or reception of telephone calls) With provision for dialing or switching (i.e., keyset touch panel, dial, etc.) Keypad Using line or loop condition detection (e.g., line circuit) With current controlling electromagnetic core device (e.g., Hall-effect device) Casing or enclosure, per se Having distinct circuitry support structure (e.g., circuit board) INCLUDING AID FOR HANDICAPPED USER (E.G., VISUAL, TACTILE, HEARING AID COUPLING) | |
