Wireless communication device

• US 20020042292A1
• Filed: 10/05/2001
• Published: 04/11/2002
• Est. Priority Date: 10/10/2000
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: Hama, Norio
• Application Number:
  US09/970,764
• Publication Number:
  US 20020042292A1
• Time in Patent Office: Days
• US Class Current: 455/572
• CPC Class Codes: H01H 2239/076 Key stroke generating power
• CPC Class Codes: H02K 7/1853 driven by intermittent forces

Abstract

To provide a wireless communication device including a transmitting device for transmitting control signals or data signals without any need for a battery, which can be downsized by using electric power generated from natural energy only as well as which can reduce its power consumption by using very weak waves for which no license is required by the Radio Law in Japan. The wireless communication device includes a small electric power generation device; a signal generation unit for generating a control signal or data signal to perform a wireless communication; a communication unit for transmitting/receiving the above-described signal; and a control unit for controlling the above-described unit, and the wireless communication device is driven by electric power generated by the above-described small electric power generation device, and a communication is performed during a supply of electric power generated by the above-described small electric power generation device, and various types of energy are stored as inertial energy to generate electric power through its torque.

Claims

1. A wireless communication device, comprising:

a small electric power generation device;

signal generation means for generating a control signal or data signal to perform a wireless communication;

communication means for transmitting/receiving the control signal or data signal generated by said signal generation means; and

control means for controlling said signal generation means and said communication means,

in which said signal generation means and said communication means are driven by electric power generated by said small electric power generation device under the control of said control means,

wherein said communication means performs a communication during the supply of electric power generated by said small electric power generation device.

2. The wireless communication device according to claim 1,

wherein display means is provided to indicate that the wireless communication device is capable of performing a communication while said electric power generation device continuously generates electric power.

3. The wireless communication device according to claim 2,

wherein said small electric power generation device is an electric power generation device comprising:

a rotational weight with an eccentric center of gravity;

an electromagnetic transducer for generating electric power through the rotation of said rotational weight; and

a mechanism for converting rotational energy into inertial energy.

4. The wireless communication device according to claim 3,

wherein said mechanism is a flywheel.

5. The wireless communication device according to claim 2,

wherein said small electric power generation device is an electric power generation device comprising:

a mechanism for storing elastic energy from an elastic element; and

a mechanism for converting the elastic energy into rotational energy and then inertial energy.

6. The wireless communication device according to claims 4 to 5,

wherein said small electric power generation device generates electric power by taking advantage of said inertial energy.

7. The wireless communication device according to claim 6,

wherein said wireless communication device performs a transmission and reception while said rotational energy and inertial energy are generated.

8. The wireless communication device according to claim 7,

wherein said wireless communication device is a wireless communication device built in an electronic lock and a wireless communication device mounted on an automobile, which perform a communication therebetween.

9. The wireless communication device according to claim 7,

wherein said wireless communication device is a wireless communication device built in a mouse pointer, which performs a communication with a computer.

10. The wireless communication device according to claim 9,

wherein said wireless communication device uses very weak waves.

11. The wireless communication device according to claim 7,

wherein said wireless communication device is a wireless communication device built in an electronic wristwatch, which performs a communication with a wireless base station.

12. The wireless communication device according to claim 11,

wherein said electronic wristwatch corrects the time in response to said data signal.