TERMINAL DEVICE AND WIRELESS COMMUNICATION SYSTEM

• US 20160205706A1
• Filed: 10/20/2014
• Published: 07/14/2016
• Est. Priority Date: 11/07/2013
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: NODA, MASAAKI
• Granted Patent: US 9,723,640 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 1/263 Arrangements for using multiple switchable power supplies, e.g. battery and AC G06F1/30 takes precedence
• CPC Class Codes: G06F 9/4406 Loading of operating system
• CPC Class Codes: G06F 9/4416 Network booting; Remote initial program loading [RIPL]
• CPC Class Codes: H04L 12/2816 Controlling appliance services of a home automation network by calling their functionalities arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00
• CPC Class Codes: H04L 12/2823 Reporting information sensed by appliance or service execution status of appliance services in a home automation network device-related reporting H04L43/065; arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00
• CPC Class Codes: H04L 2012/2841 Wireless
• CPC Class Codes: H04L 63/0435 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption cryptographic mechanisms or cryptographic arrangements for symmetric key encryption H04L9/06
• CPC Class Codes: H04L 9/0819 Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) network architectures or network communication protocols for key distribution in a packet data network H04L63/062
• CPC Class Codes: H04L 9/0894 Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
• CPC Class Codes: H04W 12/02 Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
• CPC Class Codes: H04W 12/04 Key management, e.g. using generic bootstrapping architecture [GBA]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/50 Secure pairing of devices
• CPC Class Codes: H04W 60/00 Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 8/22 Processing or transfer of terminal data, e.g. status or physical capabilities
• CPC Class Codes: H04W 84/20 Master-slave selection or change arrangements
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

A terminal device is capable of communicating with a master wireless device. The terminal device includes a control circuit. The control circuit has operating modes including a normal mode for outputting startup information relating to startup of the terminal device, and a registration mode for outputting registration information relating to registration with the master wireless device. One of the operating mode of the control circuit shifts to the registration mode based on timing of plural startups of the terminal device. The terminal device can shift to the registration mode using the same operation and mechanism as operating in the normal mode.

Claims

1. A terminal device capable of communicating with a master wireless device, the terminal device comprising a control circuit,

wherein the control circuit has operating modes including a normal mode for outputting startup information relating to startup of the terminal device, and a registration mode for outputting registration information relating to registration of the terminal device with the master wireless device, and

wherein the control circuit shifts one of the operating modes to the registration mode based on timing of a plurality of startups of the terminal device.

2. The terminal device according to claim 1, further comprising a determinator circuit that determines whether or not a predetermined time elapses from a preceding startup to a next startup of the terminal device.

3. The terminal device according to claim 2, wherein the terminal device determines the timing using an output of the determinator circuit.

4. The terminal device according to claim 3, further comprising a power generator circuit, wherein a part of electric power provided by the power generator circuit is supplied to the determinator circuit not via the control circuit.

5. The terminal device according to claim 1, further comprising a power generator circuit, wherein the terminal device transmits the startup information and the registration information to the master wireless device using electric power provided by the power generator circuit.

6. A wireless communication system comprising a master wireless device and a terminal device capable of communicating with the master wireless device,

wherein the terminal device includes a control circuit,

wherein the control circuit has operating modes including a normal mode for outputting startup information relating to startup of the terminal device, and a registration mode for outputting registration information relating to registration of the terminal device with the master wireless device,

wherein the control circuit shifts one of the operating modes to the registration mode based on timing of a plurality of startups of the terminal device, and

wherein the registration information is transmitted to the master wireless device from the terminal device, and received by the master wireless device as to resister the terminal device with the master wireless device.

7. The wireless communication system according to claim 6,

wherein, upon receiving the registration information, the master wireless device transmits an encryption key to the terminal device, and

wherein the terminal device receives and stores the encryption key.

8. The wireless communication system according to claim 7, wherein the encryption key transmitted from the master wireless device to the terminal device is different from another encryption key previously transmitted from the master wireless device.

9. The wireless communication system according to claim 7, wherein transmission power of the master wireless device for transmitting the encryption key is larger than transmission power of the terminal device for transmitting the registration information.