ELECTROCHROMIC DEVICE, CONTROL DEVICE OF ELECTROCHROMIC DEVICE, CONTROL METHOD OF ELECTROCHROMIC DEVICE, AND CARRIER MEANS

An electrochromic device includes: an electrochromic element (11a, 11b, 11c, 11d, 11e, 11f, 11g) operating in at least one of a first optical characteristic state and a second optical characteristic state; a voltage applying unit (32) to apply a voltage to the electrochromic element; a controller (3...

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Bibliographische Detailangaben
Hauptverfasser:	HASEGAWA, Tohru, YUTANI, Keiichiroh
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An electrochromic device includes: an electrochromic element (11a, 11b, 11c, 11d, 11e, 11f, 11g) operating in at least one of a first optical characteristic state and a second optical characteristic state; a voltage applying unit (32) to apply a voltage to the electrochromic element; a controller (33) to control the voltage; and a temperature measuring device (20) to measure temperature. The controller controls the voltage applying unit (32) to apply voltage, such that the second optical characteristic state becomes constant irrespective of the measured temperature.In one embodiment, the controller (33) controls the voltage applying unit (32) so as to change a length of a period (A) in which voltage is applied to shift from a first optical characteristic state to a second optical characteristic state such that the second optical characteristic state becomes constant irrespective of the measured temperature.In one embodiment, the controller (33) controls the voltage applying unit (32) to apply a periodic fluctuation voltage periodically fluctuating in at least one period of a period (A) in which voltage is applied to shift from a first optical characteristic state to a second optical characteristic state and a period (B) in which voltage is applied to maintain the second optical characteristic state, and adjusts an application time ratio of a voltage of a relatively large value in one period of the periodic fluctuation voltage such that the second optical characteristic state becomes constant irrespective of temperature.