Patent ID: 7957982
Filing Date: 2011-06-07
Classification: G06F,G16H,H04L

Abstract:
1. A data management system with a terminal installed in an information transmitting source facility and an information registration server installed in an external facility, wherein the terminal comprises: a first database for recording a plurality of pieces of information, mask setting means for relating field information indicating a field when the plurality of pieces of information are classified for each field, with transmission-permitting mask information indicating that information corresponding to the field can be transmitted to the information registration server, and with transmission-prohibiting mask information indicating that the information corresponding to the field cannot be transmitted to the information registration server, and said mask setting means also being configured for recording these pieces of related information as a mask table, and transmitting means for transmitting the mask table after modification to the information registration server via a network, when the transmission-permitting mask information or the transmission-prohibiting mask information corresponding to a certain field have been modified, and the information registration server comprises: a second database for recording the plurality of pieces of information, recording means for recording, when the mask table is received, a mask table which was recorded before the reception of the mask table as an old mask table and for recording the received mask table as a new mask table, registration information management means for comparing the old mask table and the new mask table, for, if there is a field having been changed from a field corresponding to the transmission-prohibiting mask information into a field corresponding to the transmission-permitting mask information, receiving information corresponding to this changed field from the terminal so as to record it on the second database, and for, if there is a field having been changed from a field corresponding to the transmission-permitting mask information into a field corresponding to the transmission-prohibiting mask information, deleting information corresponding to this changed field from the second database.