JPS58100390U - Drive circuit for electrochromic display elements - Google Patents

Drive circuit for electrochromic display elements

Info

Publication number
JPS58100390U
JPS58100390U JP19515581U JP19515581U JPS58100390U JP S58100390 U JPS58100390 U JP S58100390U JP 19515581 U JP19515581 U JP 19515581U JP 19515581 U JP19515581 U JP 19515581U JP S58100390 U JPS58100390 U JP S58100390U
Authority
JP
Japan
Prior art keywords
electrochromic display
drive circuit
display elements
display element
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19515581U
Other languages
Japanese (ja)
Inventor
塚本　恵二
Original Assignee
シチズン時計株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シチズン時計株式会社 filed Critical シチズン時計株式会社
Priority to JP19515581U priority Critical patent/JPS58100390U/en
Publication of JPS58100390U publication Critical patent/JPS58100390U/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の１実施例による電子時計用ＥＢ表示
素子の駆動回路を示す回路図で、第２図は、そのタイム
チャート図。− １・・・・・・電池、２・・・・・・電池電圧検出回路
、５・・・・・・ＥＣ表示素子。FIG. 1 is a circuit diagram showing a driving circuit for an EB display element for an electronic watch according to an embodiment of the present invention, and FIG. 2 is a time chart thereof. - 1...Battery, 2...Battery voltage detection circuit, 5...EC display element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電池を電源とするエレクトロクロミック表示素子の駆動
回路において、前記電池の電圧が所定値以下に低下した
ことを検出する電池電圧検出回路・と、該検出回路によ
って電池電圧が一定値以下に、低下したことが検出され
たとき、その検出結果に従ッて前記エレクトロクロミッ
ク表示素子の少なくとも一部の表示濃度が薄くなるよう
に駆動状態を切換える手段とを設けたことを特徴とする
エレクトロクロミック表示素子の駆動回路。In a drive circuit for an electrochromic display element using a battery as a power source, a battery voltage detection circuit detects that the voltage of the battery has decreased below a predetermined value; and a means for switching the driving state so that the display density of at least a part of the electrochromic display element becomes thinner according to the detection result when the electrochromic display element is detected. drive circuit.
JP19515581U 1981-12-28 1981-12-28 Drive circuit for electrochromic display elements Pending JPS58100390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19515581U JPS58100390U (en) 1981-12-28 1981-12-28 Drive circuit for electrochromic display elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19515581U JPS58100390U (en) 1981-12-28 1981-12-28 Drive circuit for electrochromic display elements

Publications (1)

Publication Number Publication Date
JPS58100390U true JPS58100390U (en) 1983-07-08

Family

ID=30108438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19515581U Pending JPS58100390U (en) 1981-12-28 1981-12-28 Drive circuit for electrochromic display elements

Country Status (1)

Country Link
JP (1) JPS58100390U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017219781A (en) * 2016-06-10 2017-12-14 株式会社リコー Light control system, light control method, program, and display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017219781A (en) * 2016-06-10 2017-12-14 株式会社リコー Light control system, light control method, program, and display device

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