Method for automatic wireless replenishment using DTMF
AssigneeGeneral Motors Corporation
InventorMingheng Wang
Life of this patent
Estimating the term…
Abstract
The invention provides a method for replenishing call-use authorization to a mobile vehicle. A call-use authorization request is received from a user. User credit availability information is determined. A replenishment amount request is received from the user. Call-use authorization data is updated based on the credit availability information and the replenishment amount request. The updated call-use authorization data is sent to an in-vehicle communication device by using a dual-tone multiple frequency protocol.
Claims20
A method for replenishing call-use authorization to a mobile vehicle, comprising:
- receiving a call-use authorization request from a user;
- determining user credit availability information;
- receiving a replenishment amount request from the user;
- updating call-use authorization data based on the credit availability information and the replenishment amount request;
- and
- sending the updated call-use authorization data to an in-vehicle communication device by using a dual-tone multiple frequency protocol.
A computer usable medium including a program for replenishing call-use authorization to a mobile vehicle comprising:
- computer program code to receive a call authorization request from a user;
- computer program code to determine user credit availability information;
- computer program code to receive a replenishment amount request from the user;
- computer program code to update call-use authorization data based on the credit availability information and the replenishment amount request;
- and
- computer program code to send the updated call-use authorization data to an in-vehicle communication device by a dual-tone multiple frequency protocol.
A system for replenishing call-use authorization to a mobile vehicle, comprising:
- means for receiving a call authorization request from a user;
- means for determining user credit availability information;
- means for receiving a replenishment amount request from the user;
- means for updating call-use authorization data based on the credit availability information and the replenishment amount request;
- and
- means for sending the updated call-use authorization data to an in-vehicle communication device by a dual-tone multiple frequency protocol.
Dependencies are inferred from the claim text.