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1. CN111642140 - Measurement device and measurement method

Office
China
Application Number 201980000012.5
Application Date 02.01.2019
Publication Number 111642140
Publication Date 08.09.2020
Publication Kind A
IPC
H03L 7/18
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
7Automatic control of frequency or phase; Synchronisation
06using a reference signal applied to a frequency- or phase-locked loop
16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
18using a frequency divider or counter in the loop
H03L 7/085
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
7Automatic control of frequency or phase; Synchronisation
06using a reference signal applied to a frequency- or phase-locked loop
08Details of the phase-locked loop
085concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
CPC
G01K 7/245
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
7Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat
16using resistive elements
22the element being a non-linear resistance, e.g. thermistor
24in a specially-adapted circuit, e.g. bridge circuit
245in an oscillator circuit
H03K 5/00006
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
KPULSE TECHNIQUE
5Manipulating of pulses not covered by one of the other main groups of this subclass
00006Changing the frequency
H03K 19/21
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
KPULSE TECHNIQUE
19Logic circuits, i.e. having at least two inputs acting on one output
20characterised by logic function, e.g. AND, OR, NOR, NOT circuits
21EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
H03L 7/091
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
7Automatic control of frequency or phase; Synchronisation
06using a reference signal applied to a frequency- or phase-locked loop
08Details of the phase-locked loop
085concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
091the phase or frequency detector using a sampling device
H03L 2207/50
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
2207Indexing scheme relating to automatic control of frequency or phase and to synchronisation
50All digital phase-locked loop
H03K 3/037
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
KPULSE TECHNIQUE
3Circuits for generating electric pulses; Monostable, bistable or multistable circuits
02Generators characterised by the type of circuit or by the means used for producing pulses
027by the use of logic circuits, with internal or external positive feedback
037Bistable circuits
Applicants BOE TECHNOLOGY GROUP CO., LTD.
京东方科技集团股份有限公司
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
北京京东方技术开发有限公司
Inventors WEI XIANGYE
魏祥野
XIU LIMING
修黎明
Agents 北京市柳沈律师事务所 11105
Title
(EN) Measurement device and measurement method
(ZH) 测量装置及测量方法
Abstract
(EN)
A measurement device (1) and a measurement method. The measurement device (1) comprises an oscillation circuit (11), a time average frequency-frequency lock loop (12), and a digital signal processingcircuit (13), wherein the oscillation circuit (11) comprises an element to be measured and is configured to output a signal having an oscillation frequency associated with an element value of the element; the time average frequency-frequency lock loop (12) is configured to receive a signal output by the oscillation circuit (11), and to output a frequency control word associated with the oscillation frequency; and the digital signal processing circuit (13) is configured to read the frequency control word output by the time average frequency-frequency lock loop (12), and obtain the element valueof the element according to the read frequency control word. The measurement device (1) is easy to be integrated, has small volume, low power consumption, and high reliability, and can implement high-precision measurement.

(ZH)
一种测量装置及测量方法。测量装置(1)包括振荡电路(11)、时间平均频率锁频环(12)以及数字信号处理电路。振荡电路(11)包括待测元件并被配置为输出具有与待测元件的元件值相关联的振荡频率的信号。时间平均频率锁频环(12)被配置为接收振荡电路(11)输出的信号,并且输出与振荡频率相关联的频率控制字。数字信号处理电路被配置为读取时间平均频率锁频环(12)输出的频率控制字,并且根据读取的频率控制字得到待测元件的元件值。测量装置(1)易于集成,并且体积小、功耗低、可靠性高,可以实现高精度的测量。

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EP2019848925This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.