# US 8,788,648 B2 · Communication system and communication device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,788,648 B2 - Document ID: US8788648B2 - Status: Granted - Kind: B2 - Application number: 13/314,813 - Filed: 2011-12-08 - Published: 2013-01-17 - Granted: 2014-07-22 - Earliest claimed: 2006-02-27 - Assignees: KYOCERA Corporation - Applicants: Yuuki Wada; Noriyuki Kurosawa - Inventors: Yuuki Wada; Noriyuki Kurosawa - Web page: https://patentgrep.com/patent/US8788648B2 ## CPC - H04M 1/66: with means for preventing unauthorised or fraudulent calling (verifying user identity or authority in secret or secure digital communications H04L9/32) - H04W 28/14: using intermediate storage - H04W 68/00: User notification, e.g. alerting and paging, for incoming communication, change of service or the like - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A communication system includes a communication device and a communication network configured to communicate with the communication device. The communication network includes a storage unit configured to store first communication information related to a communication to the communication device that is generated when communications with the communication device are unattainable; and a notifying unit configured to send the first communication information stored in the storage unit to the communication device when communications with the communication device become attainable. The communication device is configured to receive the first communication information sent from the notifying unit, and includes a restraining unit configured to restrain function of a local device based on the first communication information. ## Claims ### Claim 1 A communication system comprising: a communication device; and a communication network configured to communicate with the communication device, wherein the communication network comprises: a storage unit configured to store first communication information related to the communication device that is generated when communications with the communication device are unattainable; and a notifying unit configured to send the first communication information stored in the storage unit to the communication device when communications with the communication device become attainable, and wherein the communication device is configured to receive the first communication information sent from the notifying unit, and comprises a restraining unit configured to restrain function of a local device based on the first communication information. ### Claim 2 (depends on 1) The communication system according to claim 1, wherein the first communication information includes information of times of day at which the communications to the communication device are generated, and wherein the restraining unit is configured to restrain the function of the local device when it is determined, based on the times of day at which the communications are generated and which are included in the first communication information, that the communications to the communication device are generated predetermined times within a predetermined period. ### Claim 3 (depends on 1) The communication system according to claim 1, wherein the restraining unit is configured to restrain the function of the local device based on second communication information related to the communication device that is generated when the communication device is able to communicate with the communication network, and on the first communication information sent from the notifying unit of the communication network. ### Claim 4 (depends on 3) The communication system according to claim 3, wherein the first communication information and the second communication information respectively include information of times of day at which the communications to the communication device are generated, and wherein the restraining unit is configured to restrain the function of the local device when it is determined, based on the information of the times of day at which the communications are generated and which is included in the first communication information and the second communication information, that the communications to the communication device are generated predetermined times in total within a predetermined period. ### Claim 5 (depends on 1) The communication system according to claim 1, wherein the notifying unit configured to send information of the communication to the communication device using a push-type distribution. ### Claim 6 (depends on 1) The communication system according to claim 1, wherein the communication device comprises a first storage unit configured to store data, and the restraining unit is configured to restrain function of using the data stored in the first storage unit based on the first communication information sent from the notifying unit. ### Claim 7 (depends on 6) The communication system according to claim 6, wherein the restraining unit is configured to restrain the function of using the data by deleting the data stored in the first storage unit based on the first communication information. ### Claim 8 (depends on 7) The communication system according to claim 7, wherein the communication device comprises a second storage unit to which access is limited, and the restraining unit is configured to transfer the data stored in the first storage unit to the second storage unit based on the first communication information from the first storage unit. ### Claim 9 A communication device comprising: a receiving unit configured to receive first communication information related to a local device that is generated when communications with a communication network are unattainable; and a restraining unit configured to restrain function of the local device based on the first communication information received by the receiving unit. ### Claim 10 (depends on 9) The communication device according to claim 9, wherein the first communication information includes information of times of day at which the communications to the local device are generated, and the restraining unit is configured to restrain the function of the local device when it is determined, based on the times of day at which the communications are generated and which are included in the first communication information, that the communications to the local communication device are generated predetermined times within a predetermined period. ### Claim 11 (depends on 9) The communication device according to claim 9, wherein the restraining unit is configured to restrain the function of the local device based on second communication information related to the local device that is generated when communications with the communication network are attainable, and on the first communication information. ### Claim 12 (depends on 11) The communication device according to claim 11, wherein the first communication information and the second communication information respectively include information of times of day at which the communications to the local device are generated, and the restraining unit is configured to restrain the function of the local device when it is determined, based on the information of the times of day at which the communications are generated and which is included in the first communication information and the second communication information, that the communications to the local device are generated predetermined times in total within a predetermined period. ### Claim 13 A communication system comprising: a communication device; and a communication network configured to communicate with the communication device, wherein the communication network comprises: a storage unit configured to store first communication information related to the communication device, the first communication information being generated when the communication network cannot communicate with the communication device; and a notifying unit configured to send the first communication information stored in the storage unit when the communication network can communicate with the communication device, and wherein the communication device is configured to receive the first communication information sent from the notifying unit, and comprises a restraining unit configured to restrain function of the communication device based on the first communication information. ### Claim 14 A communication device comprising: a receiving unit configured to receive first communication information related to the communication device, the first communication information being generated when a communication network cannot communicate with the communication device; and a restraining unit configured to restrain function of the communication device based on the first communication information received by the receiving unit.