Global Patent Index - EP 4171954 A1

EP 4171954 A1 20230503 - METHOD FOR ELECTRICALLY CONTROLLING A FUNCTIONAL ELEMENT

Title (en)

METHOD FOR ELECTRICALLY CONTROLLING A FUNCTIONAL ELEMENT

Title (de)

VERFAHREN ZUR ELEKTRISCHEN STEUERUNG EINES FUNKTIONSELEMENTS

Title (fr)

PROCÉDÉ POUR COMMANDER ÉLECTRIQUEMENT UN ÉLÉMENT FONCTIONNEL

Publication

EP 4171954 A1 20230503 (DE)

Application

EP 21735659 A 20210622

Priority

  • EP 20182187 A 20200625
  • EP 2021067014 W 20210622

Abstract (en)

[origin: WO2021259937A1] The present invention relates to a method for electrically controlling at least one functional element (8) having electrically controllable optical properties, wherein ▪ the optical properties are controlled by means of a control unit (9), the control unit (9) being connected to at least two transparent flat electrodes of the functional element (8), and ▪ a voltage is applied between the flat electrodes by means of the control unit (9), the voltage having a periodic signal profile with a first, variably adjustable frequency and the glazing unit (10) being surrounded by light beams of a second frequency, and wherein the light beams are sensed by means of a sensor unit (4) and the first frequency is changed according to the second frequency, the first frequency being synchronized with the second frequency.

IPC 8 full level

B32B 17/10 (2006.01); G02F 1/1334 (2006.01)

CPC (source: EP US)

B32B 3/08 (2013.01 - US); B32B 17/10036 (2013.01 - EP); B32B 17/10174 (2013.01 - EP); B32B 17/10467 (2013.01 - US); B32B 17/10504 (2013.01 - EP); B60J 3/04 (2013.01 - US); E06B 9/24 (2013.01 - EP US); G02F 1/13318 (2013.01 - US); G02F 1/1334 (2013.01 - US); G02F 1/13439 (2013.01 - US); G09G 3/344 (2013.01 - EP); B32B 17/10036 (2013.01 - US); B32B 17/1055 (2013.01 - US); B32B 27/08 (2013.01 - US); B32B 2419/00 (2013.01 - US); B32B 2605/00 (2013.01 - US); B60J 3/04 (2013.01 - EP); E06B 2009/2464 (2013.01 - EP US); G02F 1/13306 (2013.01 - EP); G02F 1/13312 (2021.01 - EP); G02F 1/1334 (2013.01 - EP); G02F 1/172 (2013.01 - EP); G02F 2201/58 (2013.01 - EP); G09G 2360/144 (2013.01 - EP)

Citation (search report)

See references of WO 2021259937A1

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2021259937 A1 20211230; CN 114190081 A 20220315; EP 4171954 A1 20230503; US 11886060 B2 20240130; US 2023229033 A1 20230720

DOCDB simple family (application)

EP 2021067014 W 20210622; CN 202180002338 A 20210622; EP 21735659 A 20210622; US 202117924592 A 20210622