Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER CONVERSION CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2017/159338
Kind Code:
A1
Abstract:
A light receiving circuit (15) receives light emitted from a light emitting section (18), and generates an energization signal, i.e., an electric signal based on light intensity. A hold circuit (14) is configured such that, when a control circuit (16) is transmitting an off signal, a charge of the energization signal is supplied to a high potential terminal (20A) and the voltage of the high potential terminal (20A) is not reduced. Furthermore, the hold circuit (14) is configured such that, when the control circuit (16) is transmitting an on signal, the charge of the energization signal is not supplied to the high potential terminal (20A) and the voltage of the high potential terminal (20A) is maintained. A comparison circuit (13) compares a comparison signal and a reference signal with each other, generates a bias voltage based on the results of the comparison between the comparison signal and the reference signal, and feeds back the bias voltage as the reference signal. A drive circuit (12) supplies the bias voltage to a reference terminal (17B) when the control circuit (16) is transmitting the off signal.

Inventors:
TAKANO YOH
KOHDA SHINICHI
Application Number:
PCT/JP2017/007654
Publication Date:
September 21, 2017
Filing Date:
February 28, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02M7/537; H02M1/08; H03K17/16
Foreign References:
JP2015220876A2015-12-07
JPH0880030A1996-03-22
JP2015192490A2015-11-02
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
Download PDF: