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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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US Patent 4458238 - Hand held data entry unit
US Patent Issued on July 3, 1984
Estimated Patent Expiration Date:
January 28, 2002Estimated 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.
Estimated Patent Expiration Date:
January 28, 2002Estimated 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.AbstractA data entry unit has a board on which a matrix of cells are arranged, for example, twelve columns by four rows. When turned on, each column is sequentially illuminated in a continuous cyclic fashion. The illumination of a column indicates that the data associated with each of the four cells in that column is enabled. A handle attached to the board has at least four switches on it that can be readily manipulated by four fingers of the user's hand. When a column is illuminated, closing one of the four switches will complete the selection of the data in the corresponding one of the four cells of the illuminated column. This data may be stored of displayed or both. Each cell can be designed to correspond to two separate items of data, such as lower and upper case letters. In such a case, a further thumb actuated switch in the handle provides user selection for one of the two data phases of the cell. | InventorApplicationNo. 06/343441 filed on 01/28/1982US Classes:341/20, BODILY ACTUATED CODE GENERATOR273/148B, All video game accessories340/825.19, Communication or control for the handicapped345/169, Portable (i.e., handheld, calculator, remote controller)400/87FOR OPERATION BY HANDICAPPED USERField of Search340/825.19, Communication or control for the handicapped340/825.56With multidigit encoderExaminersPrimary: Brigance, Gerald L.Attorney, Agent or FirmUS Patent References3651512, 4007443, Hand-held interactive terminalIssued on: 02/08/1977 Inventor: Bromberg , et al.4215240, Portable voice system for the verbally handicapped Issued on: 07/29/1980 Inventor: Ostrowski4241521Multi-symbol message communicator for a speechless, handicapped person Issued on: 12/30/1980 Inventor: Dufresne International ClassG06F 3/023 (20060101) |
