Title:
METHOD FOR CONTROLLING FAIL-SAFE RESISTANCE CONNECTION TO BOTH ENDS OF COMMUNICATION LINES IN DIFFERENTIAL VOLTAGE COMMUNICATION, AND COMMUNICATION DEVICE THAT EMPLOYS METHOD
Document Type and Number:
WIPO Patent Application WO/2024/039185
Kind Code:
A1
Abstract:
An air conditioner device according to one embodiment of the present disclosure communicates by the difference in voltage between both ends of a first communication line and a second communication line between a first slave device and a master device. The master device can include: a voltage sensor for sensing the voltage between two communication lines; and at least one processor, which transmits a command for connection-controlling that, if the sensed voltage is a predetermined voltage or less, one from among first resistance on a master device side connectable to the first communication line and third resistance connectable to the first communication line on the first slave device side becomes pull-up resistance, and that one from among second resistance on the master device side connectable to the second communication line and fourth resistance connectable to the second communication line on the first slave device side becomes pull-down resistance.
Inventors:
JUNG RAKCHUNG (KR)
KIM DOYEON (KR)
JO SUHO (KR)
HUR TAEBOK (KR)
KIM DOYEON (KR)
JO SUHO (KR)
HUR TAEBOK (KR)
Application Number:
PCT/KR2023/012130
Publication Date:
February 22, 2024
Filing Date:
August 16, 2023
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04L25/02; F24F11/54; F24F11/88; H04B3/54
Foreign References:
| JP3449007B2 | 2003-09-22 | |||
| KR102072740B1 | 2020-02-03 | |||
| KR20120076993A | 2012-07-10 | |||
| KR100802072B1 | 2008-02-12 |
Other References:
ANONYMOUS: "AN INTRODUCTION TO RS485", TECHNICAL REPORT - DIPARTIMENTO DI FISICA, UNIVERSITÀ DEGLI STUDI DI MILANO, 1 January 2015 (2015-01-01), pages 1 - 21, XP093139499, Retrieved from the Internet [retrieved on 20240311]
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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