CIRCUIT ARRANGEMENT, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM

• US 20120244799A1
• Filed: 03/15/2012
• Published: 09/27/2012
• Est. Priority Date: 03/22/2011
• Status: Active Grant

• Current Assignee: 138 East LCD Advancements Limited (Vector Capital Corporation)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: YOSHIKAWA, Yasushi
• Granted Patent: US 9,107,165 B2
• Time in Patent Office: Days
• US Class Current: 455/39
• CPC Class Codes: H04W 52/0254 detecting a user operation or a tactile contact or a motion of the device
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A circuit arrangement performs communication with an external device including a second sensor detecting a given event, includes a sensor input unit that processes input from a first sensor detecting the given event and a communication control unit that controls operation of a wireless communication unit, and determines a communication time based on an output of the first sensor and performs communication with the external device via the wireless communication unit according to the communication time.

Claims

1. A circuit arrangement that performs communication with an external device including a second sensor detecting a given event, comprising:

a sensor input unit that processes input from a first sensor detecting the given event; and

a communication control unit that controls operation of a wireless communication unit, and

determining a communication time based on an output of the first sensor and performing communication with the external device via the wireless communication unit according to the communication time.

2. The circuit arrangement according to claim 1, starting the communication with the external device via the wireless communication unit based on the output of the first sensor, and performing communication with the external device via the wireless communication unit based on an output of a timer after a predetermined time has elapsed from the start of the communication.

3. The circuit arrangement according to claim 1, performing the communication with the external device via the wireless communication unit when determining that the output of the first sensor satisfies a predetermined condition at a predetermined number of times.

4. The circuit arrangement according to claim 1, performing the communication with the external device via the wireless communication unit after a predetermined time has elapsed from determination that the output of the first sensor satisfies a predetermined condition.

5. The circuit arrangement according to claim 1, wherein the first sensor is a sensor that detects at least one of movement, light, sound, and pressure.

6. A communication device comprising:

the circuit arrangement according to claim 1;

the first sensor; and

the wireless communication unit.

7. The communication device according to claim 6, wherein the first sensor is an inertia sensor that detects movement, and

the circuit arrangement performs processing of measuring the number of steps based on the output of the first sensor, and performs processing of transmitting a measurement result to the external device via the wireless communication unit at a communication time determined based on the output of the first sensor.

8. A communication system including a first communication device and a second communication device that perform wireless communication with each other,

the first communication device including

a first wireless communication unit that performs wireless communication between the second communication device and itself,

a first sensor that detects a given event, and

a first circuit arrangement that determines a first communication time based on an output of the first sensor, and performing communication with the second communication device via the first wireless communication unit according to the first communication time, and

the second communication device including

a second wireless communication unit that performs wireless communication between the first communication device and itself,

a second sensor that detects the given event, and

a second circuit arrangement that determines a second communication time based on an output of the second sensor, and performing communication with the first communication device via the second wireless communication unit according to the second communication time.

9. The communication system according to claim 8, wherein the first sensor and the second sensor are inertia sensors that detect movement, and

the first communication device and the second communication device are mounted on a human body or a vehicle body.

10. The communication system according to claim 8, wherein the first sensor and the second sensor are inertia sensors that detect movement,

the first circuit arrangement performs processing of measuring the number of steps based on the output of the first sensor, and performs processing of transmitting a measurement result to the second communication device via the first wireless communication unit at a communication time determined based on the output of the first sensor, and

the second circuit arrangement performs processing of receiving the measurement result via the second wireless communication unit at a communication time determined based on the output of the second sensor.