Check patentability & draft patents in minutes with Patsnap Eureka AI!

Measurement method, diagnostic device for diagnosing transmission line, detection device, and linear sensor device

A technology of transmission line and measurement method, which is applied in the direction of measurement device, transmission of sensing member by optical device, transmission of sensor member by electric/magnetic device, etc., can solve problems such as difficulty in detection

Inactive Publication Date: 2020-04-07
YAZAKI CORP
View PDF23 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When measuring a change in a transmission line by measuring a differential signal, the change in the composite signal is extremely small relative to the change in the transmission line, making it difficult to detect

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Measurement method, diagnostic device for diagnosing transmission line, detection device, and linear sensor device
  • Measurement method, diagnostic device for diagnosing transmission line, detection device, and linear sensor device
  • Measurement method, diagnostic device for diagnosing transmission line, detection device, and linear sensor device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0227] (first embodiment: measurement method)

[0228] figure 1It is a figure which shows the structure of the measurement system 1 which detects the in-phase signal in 1st Embodiment. The measurement system 1 has a communication device A, a communication device B, a pair of differential transmission lines 10 including two transmission lines, a combiner 5 , and a measuring device C. The communication device A and the communication device B transmit and receive a positive signal (first signal) and a negative signal (second signal) of opposite polarities via the differential transmission line 10 . The combiner 5 combines the positive signal and the negative signal exchanged between the communication device A and the communication device B so that both remain unchanged (non-inverted), and generates an in-phase signal. The measurer C measures the in-phase signal output from the combiner 5 . In the positive signal transmission line or the negative signal transmission line of th...

no. 2 approach

[0233] (Second Embodiment: Measurement Method)

[0234] Figure 4 It is a figure which shows the structure of the measurement system 11 which detects the in-phase signal in 2nd Embodiment. The measurement system 11 has a communication substrate 12, a communication substrate 13 including a communication chip 13a, a power adder 15, a low noise amplifier 17, a wave detector 18, a monitoring device 19, and a pair of differential cables 20 including two transmission lines. The differential cable 20 is connected between the communication substrate 12 and the communication substrate 13 . The communication board 12 and the communication board 13 transmit and receive positive signals and negative signals of opposite polarities via the differential cable 20 . The power adder 15 combines the positive signal and the negative signal exchanged between the communication board 12 and the communication chip 13 a so that both remain unchanged (non-inverted), and generates an in-phase signal. ...

no. 3 approach

[0238] (Third Embodiment: Measurement Method)

[0239] Figure 6 It is a figure which shows the structure of the measurement system 21 which detects the in-phase signal in 3rd Embodiment. Figure 6 The measurement system 21 is at Figure 4 A filter 16 is added to the measurement system 11 of the second embodiment shown. Hereinafter, configurations different from those of the second embodiment will be mainly described. The filter 16 attenuates signals in a frequency band (unnecessary band) higher than the target frequency bandwidth. Filter 16 is arranged between power adder 15 and low noise amplifier 17 .

[0240] Figure 7 It is a diagram showing examples of common waveforms before and after unnecessary bands are removed. When the in-phase signal of differential digital transmission is used as the measurement signal, the detection level may change due to the influence of noise entering the wide frequency band of the detector 18, and misdiagnosis may occur even if the cab...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Provided is a measurement method capable of easily detecting changes in transmission lines with a simple structure. A measurement system (1) has: a communication machine (A), a communication machine (B), a pair of differential transmission paths (10) containing two transmission lines, a synthesizer (5), and a measurement device (C). The communication machine (A) and the communication machine (B) send and receive positive and negative signals of opposite polarities via the differential transmission path (10). The synthesizer (5) synthesizes the positive and negative signals exchanged between the communication machine (A) and the communication machine (B) in a manner that both remain unchanged (non-inverted) to generate an in-phase signal. The measurement device (C) measures the in-phase signal output from the synthesizer (5).

Description

technical field [0001] The invention relates to a measuring method, a transmission line diagnosis device, a detection device and a linear sensor device. Background technique [0002] The measurement of a transmission line in a differential transmission path that transmits mutually antiphase signals to a pair of signal lines is performed by measuring a composite signal (differential signal) synthesized by keeping one signal unchanged and inverting the other signal conduct. Figure 23 It is a figure which shows the structure of the measurement system 100 which detects a differential signal. Signals of opposite phases are transmitted to a pair of signal lines (differential transmission cables) 110 connecting the communication devices A and B. FIG. One of the signals extracted by the communication device A is kept unchanged, and the other signal is inverted, and synthesized by the synthesizer 101 . The synthesized signal (differential signal) is input to the measuring device C...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01D3/028G01R31/58G01F23/00G01B7/02G01L1/14G01P15/125G01D5/353H04L25/02H04B3/48H04B3/46
CPCG01D3/028G01B7/023G01L1/144G01P15/125G01D5/35364H04L25/0272H04B3/48H04B3/46G01F23/80G01L9/0022G01L9/0016G01L9/0072G01L9/12G01D21/00G01D3/08H04Q9/00H04Q2209/30G01P21/00G01R31/58G01F23/26G01F23/804G01F25/24G01R31/085G01R29/0892G01D5/20
Inventor 寺山肇波木井勇次加藤孝弘白石直之海野晃祐田中信吾
Owner YAZAKI CORP
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com