ALTERNATING ELECTRIC FIELD-BASED ABSOLUTE TIME-GRATING ANGULAR DISPLACEMENT SENSOR

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EP 3 667 229 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	06.10.2021 Bulletin 2021/40

(45)	Mention of the grant of the patent:
	01.09.2021 Bulletin 2021/35

(21)	Application number: 18888532.1

(22)	Date of filing: 05.12.2018

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International Patent Classification (IPC):

G01B 7/30^(2006.01)
G01D 5/20^(2006.01)

G01D 5/241^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	G01D 5/2415; G01D 5/2053; G01B 7/30

(86)	International application number:
	PCT/CN2018/119280

(87)	International publication number:
	WO 2019/114583 (20.06.2019 Gazette 2019/25)

(54)	ALTERNATING ELECTRIC FIELD-BASED ABSOLUTE TIME-GRATING ANGULAR DISPLACEMENT SENSOR WINKELVERSCHIEBUNGSSENSOR MIT ABSOLUTER ZEITRASTERUNG AUF DER BASIS EINES ALTERNIERENDEN ELEKTRISCHEN FELDES CAPTEUR DE DÉPLACEMENT ANGULAIRE À RÉSEAU TEMPOREL ABSOLU BASÉ SUR UN CHAMP ÉLECTRIQUE ALTERNATIF

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

15.12.2017 CN 201711351544

(43)	Date of publication of application:
	17.06.2020 Bulletin 2020/25

(73)	Proprietor: Genertec Guoce Time Grating Technology Co., Ltd.
	Chongqing (CN)

(72)	Inventors:
	LIU, Xiaokang Chongqing 400054 (CN) YU, Zhicheng Chongqing 400054 (CN) PENG, Kai Chongqing 400054 (CN) ZHENG, Fangyan Chongqing 400054 (CN) PU, Hongji Chongqing 400054 (CN)

(74)	Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte
	Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)

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References cited: :

CN-A- 101 245 982
CN-A- 106 643 470
JP-A- H1 169 751
US-A1- 2004 046 548
US-A1- 2017 350 731

CN-A- 103 968 750
DE-A1- 19 931 809
US-A- 4 851 835
US-A1- 2017 003 146

WOLFFENBUTTEL R F ET AL: "AN INTEGRABLE CAPACITIVE ANGULAR DISPLACEMENT SENSOR WITH IMPROVED LINEARITY", SENSORS AND ACTUATORS A: PHYSICAL, ELSEVIER BV, NL, vol. A27, no. 1 - 03, 1 May 1991 (1991-05-01), pages 835-843, XP000216788, ISSN: 0924-4247

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).