Title:
PULSE RECEPTION CIRCUIT, SIGNAL TRANSMISSION DEVICE, ELECTRONIC DEVICE, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/162537
Kind Code:
A1
Abstract:
A pulse reception circuit 227 comprises: a first constant current source CC1r that generates a first reference current I1r; a second constant current source CC1f that generates a second reference current I1f; a first receiver RXr that adds together a first reception current Ir induced by a secondary-side coil 231s of a first transformer 231 and the first reference current I1r to generate a first current signal I3r; a second receiver RXf that adds together a second reception current If induced by a secondary-side coil 232s of a second transformer 232 and the second reference current I2f to generate a second current signal I3f; a first signal conversion unit R2r that converts the first current signal I3r to a first voltage signal Vr; a second signal conversion unit R2f that converts the second current signal I3f to a second voltage signal Vf; and a comparator HC that compares the first voltage signal Vr with the second voltage signal Vf and generates an output pulse signal OUT.
Inventors:
YAMANAKA YOSUKE (JP)
SHIMADA YUJI (JP)
SAITO KOJI (JP)
SHIMADA YUJI (JP)
SAITO KOJI (JP)
Application Number:
PCT/JP2023/001905
Publication Date:
August 31, 2023
Filing Date:
January 23, 2023
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H03K19/0175; H01L21/822; H01L27/04; H02M1/08; H02M7/48; H03K17/691; H04L25/02
Domestic Patent References:
| WO2013084517A1 | 2013-06-13 | |||
| WO2018066165A1 | 2018-04-12 | |||
| WO2012157180A1 | 2012-11-22 |
Foreign References:
| JP2011146934A | 2011-07-28 | |||
| JP2016046723A | 2016-04-04 | |||
| JP2009188468A | 2009-08-20 | |||
| JP2017041706A | 2017-02-23 |
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
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