General-purpose electronic telephone station set
Patent 4291198 Issued on September 22, 1981. Estimated Expiration Date: 
June 28, 1999. 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.
June 28, 1999. 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 3521008 3566370 3587053 3643219 3757037 3792462 Electronic business telephone Concurrent overview and detail display system having process control capabilities Hand-held interactive terminal Communication system using intelligent network processor InventorsAssigneeApplicationNo. 06/053099 filed on 06/28/1979US Classes:379/93.17, Having station display345/168, Including keyboard375/222, Modems (data sets)379/354, With called number display379/440, Casing or enclosure, per se379/914, PROGRAMMABLE TELEPHONE COMPONENT379/915"Soft" keyExaminersPrimary: Brigance, Gerald L.Attorney, Agent or FirmInternational ClassesG06F 3/023 (20060101)H04M 1/274 (20060101) H04M 11/06 (20060101) H04M 1/2745 (20060101) AbstractThe power of computer-based services is made available to telephone subscribers by a telephone station set (10) including a telephone handset (17) for audio transduction, a video output display screen (13) and manual input key facilities (16,20,23) coupled for interaction by a data processing facility (43). All of those elements are included in a common station set housing for programmable interaction under control of the station set user. The input key facilities include a full ASCII key set, additional buttons (30-32) for signaling standard computer service functions, and keys (16) for user selection of predetermined different text portions of the display screen. Also shown are various electrical and mechanical features which facilitate the combining of the functional parts into the common housing and illustrative processes (FIGS. 8-12) for demonstrating the programmable facility interaction.Other References
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