Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
1998-10-19
2001-05-08
Urban, Edward F. (Department: 2683)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S566000, C455S412100
Reexamination Certificate
active
06230019
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to short message service systems for mobile radio terminals and, more particularly, to apparatus and methods for displaying the transmission state of a short message in a mobile radio terminal.
2. Description of the Related Art
In general, the function of a short message service (hereinafter referred to as “SMS”) is to enable message communication between mobile radio terminals or between a wired telephone and a mobile radio terminal. In the latter case, short messages from a fixed communication network (e.g., public switched telephone network (PSTN) or an integrated services digital network (ISDN)) are stored in a processing unit of a mobile communication network, converted to digital data, and transmitted to the mobile radio terminal.
Conventionally, after transmitting a short message, a mobile radio terminal such as a global system for mobile (GSM) communication only stores the short message. As a result, a user cannot recognize the transmission state (e.g., successful or failed transmission) of the short message. This is inconvenient to the user. Accordingly, it would be desirable and highly advantageous to provide apparatus and methods for displaying the transmission state of a short message in a mobile radio terminal.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide apparatus and methods for storing short message transmission state information together with a short message which has been transmitted, and displaying the transmission state information to apprise a user of the same.
In accordance with one aspect of the present invention, an apparatus for displaying transmission state information of a transmitted short message in a mobile radio terminal comprises: a memory for storing the transmitted short message and a transmission option associated therewith; control means for receiving at least one of a first short message from a mobile exchange and a second short message from a short message service center, said control means analyzing the first short message to generate a first result corresponding to whether the transmitted short message has been successfully transmitted when the first short message is received, analyzing the second short message to generate a second result corresponding to whether the transmitted short message has been successfully transmitted when the second short message is received; and display means for displaying at least one of the first result and the second result generated by said control means.
In accordance with another aspect of the present invention, a method for displaying short message transmission state information in a mobile radio terminal comprises the steps of: generating a desired short message and transmitting the desired short message together with a transmission option corresponding thereto; storing the desired short message and displaying information on a display unit indicating whether the desired short message was successfully transmitted, based on information included in a reception acknowledge message received from a mobile exchange; and displaying a processed result of the transmission option, when a transmission option short message including the processed result of the transmission option is received from a short message service center.
These and other objects, features and advantages of the present invention will become apparent from the following detailed description of illustrative embodiments thereof, which is to be read in connection with the accompanying drawings.
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Dilworth & Barrese LLP
Gesesse Tilahun
Samsung Electronics Co,. Ltd.
Urban Edward F.
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