Title:
タイヤ空気圧センサーのＲＦマッチング装置
Document Type and Number:
Japanese Patent JP7370239
Kind Code:
B2
Abstract:
The invention discloses a radio frequency (RF) matching device for a tire pressure sensor, which includes a system control unit, a RF control unit, a RF matching unit, and a multi-frequency antenna in order, wherein the RF matching unit includes a resonance portion, a filtering portion, and a matching portion in order, wherein the resonance unit is connected to the RF control unit to be adjusted to the required initial frequency and cut-off frequency of various frequency bands; the filter unit is connected between the resonance unit and the matching unit to suppress and eliminate noise and unwanted frequency-doubling signals; the matching unit allows the maximum power of the multi-frequency RF signal to be transferred to the multi-frequency antenna, so that the multi-frequency antenna can transmit multiple RF signals of different frequencies.
More Like This:
Inventors:
鄭 佳▲ウェン▼
Application Number:
JP2019227918A
Publication Date:
October 27, 2023
Filing Date:
December 18, 2019
Export Citation:
Assignee:
SYSGRATION LTD.
International Classes:
G01L17/00; G08C17/00; H01P1/212; H01Q1/32; H01Q1/50; H01Q5/335
Domestic Patent References:
| JP201619032A | ||||
| JP2016152621A | ||||
| JP2007243282A |
Foreign References:
| US10071605 | ||||
| US20140306815 | ||||
| US20170013419 |
Attorney, Agent or Firm:
SK Patent Attorney Corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito