ELECTRONIC APPARATUS, METHOD FOR CONTROLLING THE SAME, AND PROGRAM

• US 20140239731A1
• Filed: 02/26/2014
• Published: 08/28/2014
• Est. Priority Date: 02/28/2013
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Ito, Akio
• Granted Patent: US 9,722,461 B2
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00714 in response to battery charging or discharging current
• CPC Class Codes: H02J 7/007182 in response to battery voltage
• CPC Class Codes: H02J 7/04 Regulation of charging current or voltage
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

A digital multifunction peripheral including a contactless power feeding unit having a function of communicating with a terminal apparatus and a function of feeding the power in a contactless manner to the terminal apparatus is configured to detect a status of the digital multifunction peripheral, detect the presence or absence of a power receiving apparatus capable of communicating with the contactless power feeding unit, and, when such a power receiving apparatus is present, detect the status of the power receiving apparatus, and perform power-saving control based on the result of the detections.

Claims

1. An electronic apparatus including a contactless power feeding unit having a function of communicating with a power receiving apparatus and a function of feeding the power in a contactless manner to the power receiving apparatus, the electronic apparatus comprising:

a first detection unit configured to detect the status of the electronic apparatus;

a second detection unit configured to detect the presence or absence of a power receiving apparatus capable of communicating with the contactless power feeding unit, and, when such a power receiving apparatus is present, detect the status of the power receiving apparatus; and

a control unit configured to perform power-saving control depending on results of the detections by the first detection unit and the second detection unit.

2. The electronic apparatus according to claim 1, wherein, as power-saving control, the control unit limits the number of power receiving apparatuses to which power is simultaneously fed by the contactless power feeding unit.

3. The electronic apparatus according to claim 1, wherein, as power-saving control, the control unit limits the amount of power to be fed by the contactless power feeding unit per unit of time.

4. The electronic apparatus according to claim 1, wherein, as power-saving control, the control unit causes the contactless power feeding unit to enter into a power supply state where the contactless power feeding unit can communicate with the power receiving apparatus but cannot feed the power in a contactless manner to the power receiving apparatus.

5. The electronic apparatus according to claim 1, wherein the electronic apparatus is a digital multifunction peripheral including the contactless power feeding unit, an image input device, and an image output device.

6. A method for controlling an electronic apparatus including a contactless power feeding unit having a function of communicating with a power receiving apparatus and a function of feeding the power in a contactless manner to the power receiving apparatus, the method comprising:

detecting a status of the electronic apparatus;

detecting the presence or absence of a power receiving apparatus capable of communicating with the contactless power feeding unit, and, when such a power receiving apparatus is present, detecting the status of the power receiving apparatus; and

performing power-saving control based on the result of the detections.

7. A program for causing a computer to execute a method for controlling an electronic apparatus including a contactless power feeding unit having a function of communicating with a power receiving apparatus and a function of feeding the power in a contactless manner to the power receiving apparatus, the method comprising:

detecting a status of the electronic apparatus;

detecting the presence or absence of a power receiving apparatus capable of communicating with the contactless power feeding unit, and, when such a power receiving apparatus is present, detecting the status of the power receiving apparatus; and

performing power-saving control based on the result of the detections.