Telecommunications – Transmitter and receiver at separate stations
Reexamination Certificate
1997-01-02
2001-03-20
Hunter, Daniel S. (Department: 2749)
Telecommunications
Transmitter and receiver at separate stations
C455S039000, C455S412100, C455S458000
Reexamination Certificate
active
06205321
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to wireless communications systems, and more particularly to paging systems.
BACKGROUND OF THE INVENTION
Radio paging technology has advanced from the simple tone-only pager to the tone and voice pager, and most recently, to the numeric and alphanumeric display pagers. In a typical paging system that provides numeric and/or alphanumeric display paging, a central transmitter or paging terminal is used to generate the pages which are transmitted via a radio link to a number of paging receivers. The pages consist of a unique digitally encoded address of the particular pager to which each page is targeted, immediately followed by a corresponding digitally encoded numeric or alphanumeric page message which is intended for display on the target pager.
Typically, the numeric or alphanumeric page message is stored in a memory within the paging receiver for later recall and display by the pager user. In order for the pager subscriber or user to be able to retrieve the pages or messages sent to the pager, however, the user must carry the pager within tactile proximity to his or herself. That is, if the user is without the pager, then the user will be unable to operate the pager, and therefore unable to retrieve any of the messages received by the pager. As a result, there is a need to allow a pager user to operate the pager from a remote location, without having to carry any additional hardware, so that pages received by the pager can be accessed therefrom.
SUMMARY OF THE INVENTION
Accordingly, the present invention is directed to a method for remotely controlling the operation of a pager in a paging system so that any messages sent to the pager can be retrieved from a remote location. To attain this, the present invention provides a system and method wherein a pager user can send keypad entries (e.g. pre-programmed commands) from a remote terminal to the pager so that the remote user can enter into a wireless interactive dialogue with the pager to control the operation of the pager, retrieve pages and voice messages therefrom, and/or perform any other pager operation from the remote location. Thus, eliminating the need for the pager user to be in tactile proximity of the pager when retrieving messages.
In one illustrative embodiment, the remote user dials the number of the individual pager from a terminal at a remote location, and sends a pre-programmed command sequence to initiate wireless dialogue with the pager. Then, the remote user sends other given pre-programmed command sequences to allow the user to remotely operate the pager, selectively retrieve messages stored by the pager, selectively delete messages stored by the pager, and terminate the remote operation session, wherein the pager uses digital voice encoding techniques to provide verbal feedback to the remote user.
In another illustrative embodiment, a pager having a respond feature is pre-programmed such that the remote user can send a given respond command from the remote location, thus instructing the pager to send an acknowledgment to the paging system indicating that a given page was received. In yet another illustrative embodiment, the remote user can dial into the telephone network or paging network database to retrieve messages sent to the pager. In any such embodiment, the present invention overcomes the limitations of the prior art.
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AT&T Corporation
Banner & Witcoff , Ltd.
Hunter Daniel S.
Nguyen Thuan T.
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