Title:
DISPLAY DEVICE AND CONTROL METHOD THEREOF, AND POWER SUPPLY APPARATUS
Document Type and Number:
Japanese Patent JP3673706
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that the power generated in one day cannot be checked in watthour at night because a display unit does not operate when a solar battery generates no power, such as at night, with the solar battery used for the power supply of the display unit display generated power.
SOLUTION: The display unit 5 receives DC power in parallel from a solar battery array 1 and a commercial AC system 7, and receives from an inverter 3 the data on power outputted from the inverter 3 to display it on an LED display.
Inventors:
Makoto Kurokami
Manabe Naoki
Manabe Naoki
Application Number:
JP2000272179A
Publication Date:
July 20, 2005
Filing Date:
September 07, 2000
Export Citation:
Assignee:
Canon Inc
International Classes:
H02J13/00; G05F1/67; H02J3/38; H02M7/48; (IPC1-7): H02M7/48; G05F1/67; H02J3/38; H02J13/00
Domestic Patent References:
| JP2000014165A | ||||
| JP11069661A | ||||
| JP10248180A | ||||
| JP10201106A |
Attorney, Agent or Firm:
Yasunori Otsuka
Yukio Maruyama
Yasuhiro Otsuka
Yukio Maruyama
Yasuhiro Otsuka
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