Patent ID: 7363061
Filing Date: 2008-04-22
Classification: H04M

Abstract:
1. An information registering and retrieving system for a vehicle, the information registering and retrieving system comprising: a portable apparatus that includes: an in-vehicle apparatus that communicates with the portable apparatus and includes: when the control means of the in-vehicle apparatus receives an information registration request from the portable apparatus along with the information and the link key, which has been previously generated by the link key generating means of the in-vehicle apparatus and has been previously transmitted to the portable apparatus, the control means of the in-vehicle apparatus operates the storage means of the in-vehicle apparatus to store the information in association with the link key; when the control means of the in-vehicle apparatus receives an information retrieval request from the portable apparatus along with the portable apparatus ID, the control means of the in-vehicle apparatus operates the link key generating means to generate a new link key based on the portable apparatus ID and the in-vehicle apparatus ID; and when the new link key coincides with the previously generated link key that is associated with the information stored in the storage means of the in-vehicle apparatus, the control means of the in-vehicle apparatus permits the portable apparatus to retrieve only the associated information, which is stored in the storage means of the in-vehicle apparatus and is associated with the previously generated link key, so that retrieval of information other than the associated information from the storage means of the in-vehicle apparatus by the portable apparatus is prohibited.