Analog display station apparatus and method of effecting telephone features
Patent 5425097 Issued on June 13, 1995. Estimated Expiration Date: 
June 7, 2013. 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 7, 2013. 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 ReferencesGeneral-purpose electronic telephone station set Telephone feature assignment circuit Programmable subscriber set Telecommunication system with subscriber controlled feature modification Patent #: 4897866 InventorAssigneeApplicationNo. 073004 filed on 06/07/1993US Classes:379/396, Visual signalling (e.g., lamp)379/201.04, Display arrangement379/387.01SUBSTATION OR TERMINAL CIRCUITRYExaminersPrimary: Dwyer, James L.Assistant: Shehata, Magdy W. Attorney, Agent or FirmForeign Patent References
International ClassH04M 001/02AbstractAn arrangement where display control data which has been developed off-line, and which specifies the content and sequence of the display screens required to lead a customer through activation of a plurality of telephone features, is received and stored by an analog display station either at an initialization or a feature update of the station. The display control data is used by the station to communicate information relating to a particular feature to a user via the station display. The user inputs, e.g., keystrokes, received after each display screen, are stored by the station, and after the sequence has been completed, all such stored user inputs are rapidly transmitted to the switching system to effect the particular feature. Significantly, the switching system telephone feature software is not involved until after all stored user inputs are transmitted. Therefore, there is no need to modify existing software as long as the user inputs are not changed.Other References
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