Text editing and display system having a multiplexer circuit interconnecting plural visual displays
Patent 4150429 Issued on April 17, 1979. Estimated Expiration Date: 
July 30, 1996. 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.
July 30, 1996. 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 3447135 3543244 3648252 3710324 3833930 InventorAssigneeApplicationNo. 05/710220 filed on 07/30/1976US Classes:710/316Path selecting switchExaminersPrimary: Springborn, Harvey E.Attorney, Agent or FirmInternational ClassesG06F 13/36 (20060101)G06F 13/16 (20060101) G06F 13/38 (20060101) G06F 13/364 (20060101) G06F 13/18 (20060101) G06F 3/153 (20060101) AbstractA text-editing system includes a central processor unit, a bus connected to the central processor unit and input terminals connected to the bus for entering text and editing commands into the system. Text is displayed by the system on visual display apparatuses that are associated with each input terminal based upon information that is stored in display memories. A multiplexer circuit connects plural visual display apparatuses to the bus and a display memory and routes address and data signals between the display memory and either the bus or selected ones of the visual display apparatuses. | |
