Title:
SLEW RATE CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/199772
Kind Code:
A1
Abstract:
A slew rate control apparatus includes voltage detecting means, charging and discharging means, and control means. The voltage detecting means detects a first voltage and a second voltage on both ends of at least one switch. The charging and discharging means outputs a current for charging at least one of the both ends of the switch and for inputting a current for discharging the at least one end. The control means controls a slew rate by turning on the switch when the first voltage detected by the voltage detecting means has reached the second voltage, and outputs a current for charging at least one of two terminals on the both ends of the switch or discharging the at least one terminal according to a magnitude relationship between the first voltage and the second voltage when the first voltage does not reached the second voltage.
Inventors:
UJIIE RYUICHI (JP)
Application Number:
PCT/JP2017/017286
Publication Date:
November 23, 2017
Filing Date:
May 02, 2017
Export Citation:
Assignee:
RICOH ELECTRONIC DEVICES CO LTD (JP)
International Classes:
H03K17/16; G06F1/26
Foreign References:
| EP2398146A2 | 2011-12-21 | |||
| JP2005275611A | 2005-10-06 | |||
| JP2005275611A | 2005-10-06 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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