Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/044761
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a power supply device with which externally emitted noise can be decreased in a preferable manner. The power supply device 100 is a power supply device to which alternating-current power is input from an external power supply, and which outputs high frequency power to a load apparatus. The power supply device 100 is provided with: a substrate on which a filter circuit, a rectification circuit, a step-up circuit, and a fluorescent tube excitation circuit are electrically connected in order and mounted; and a shield case in which the substrate is housed. A shield member for decreasing radiation noise is provided between the filter circuit and the rectification circuit, or in the filter circuit.
Inventors:
MIYAMOTO KUNITAKA (JP)
TENJIN HIDETOSHI (JP)
MIYAMOTO KEITA (JP)
TENJIN HIDETOSHI (JP)
MIYAMOTO KEITA (JP)
Application Number:
PCT/JP2018/031561
Publication Date:
March 07, 2019
Filing Date:
August 27, 2018
Export Citation:
Assignee:
PROLIGHT CO LTD (JP)
International Classes:
H02M7/48; H05B41/24; H05K9/00
Domestic Patent References:
| WO2005067002A1 | 2005-07-21 |
Foreign References:
| JP3482868B2 | 2004-01-06 | |||
| JP2007073495A | 2007-03-22 | |||
| JPS6396807A | 1988-04-27 |
Attorney, Agent or Firm:
YAMAMOTO Shusaku et al. (JP)
Download PDF: