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JPS60184031U - ECD drive circuit - Google Patents

ECD drive circuit

Info

Publication number
JPS60184031U
JPS60184031U JP7145284U JP7145284U JPS60184031U JP S60184031 U JPS60184031 U JP S60184031U JP 7145284 U JP7145284 U JP 7145284U JP 7145284 U JP7145284 U JP 7145284U JP S60184031 U JPS60184031 U JP S60184031U
Authority
JP
Japan
Prior art keywords
ecd
drive circuit
resistance value
ecd drive
maximum resistance
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
JP7145284U
Other languages
Japanese (ja)
Inventor
助川　恒夫
達雄 丹羽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
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 Nikon Corp filed Critical Nikon Corp
Priority to JP7145284U priority Critical patent/JPS60184031U/en
Publication of JPS60184031U publication Critical patent/JPS60184031U/en
Pending legal-status Critical Current

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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図は本発明の一実施例を示す回路図、第２図は本発
明の他の実施例を示す回路図、第３図は従来のＥＣＤ駆
動回路、第４図は第３図に示すＥＣＤ駆動回路の等価回
路である。 （主要部分の符号の説明）、１・・・・・・電源、２・
・・・・・ＥＣＤＳＳＷ・・・・・・極性切換スイッチ
、Ｒ３・・・・・・抵抗、Ｔ１．Ｔ２・・・・・・信号
線接続部、Ｒ工・・・・・−上部電極の最大抵抗、′Ｒ
２・・・・・・下部電極の最大抵抗。Fig. 1 is a circuit diagram showing one embodiment of the present invention, Fig. 2 is a circuit diagram showing another embodiment of the invention, Fig. 3 is a conventional ECD drive circuit, and Fig. 4 is shown in Fig. 3. This is an equivalent circuit of an ECD drive circuit. (Explanation of symbols of main parts), 1...Power supply, 2.
...ECDSSW...Polarity changeover switch, R3...Resistor, T1. T2...Signal line connection part, R work...-Maximum resistance of upper electrode, 'R
2... Maximum resistance of the lower electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電源と、該直流電源をＥＣＤに印加するか否かを制
御するスイッチ手段とよりなるＥＣＤ駆動回路に於いて
、駆動すべきＥＣＤの上部電極の最大抵抗値と、下部電
極の最大抵抗値の和の１／２以上の抵抗値を有する抵抗
を前記ＥＣＤに直列に接続する如く構成したことを特徴
とするＥＣＤ駆動回路。In an ECD drive circuit consisting of a DC power supply and a switch means for controlling whether or not to apply the DC power to the ECD, the maximum resistance value of the upper electrode and the maximum resistance value of the lower electrode of the ECD to be driven are determined. An ECD drive circuit characterized in that a resistor having a resistance value of 1/2 or more of the sum is connected in series to the ECD.
JP7145284U 1984-05-16 1984-05-16 ECD drive circuit Pending JPS60184031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7145284U JPS60184031U (en) 1984-05-16 1984-05-16 ECD drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7145284U JPS60184031U (en) 1984-05-16 1984-05-16 ECD drive circuit

Publications (1)

Publication Number Publication Date
JPS60184031U true JPS60184031U (en) 1985-12-06

Family

ID=30608958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7145284U Pending JPS60184031U (en) 1984-05-16 1984-05-16 ECD drive circuit

Country Status (1)

Country Link
JP (1) JPS60184031U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142994A (en) * 1976-05-24 1977-11-29 Sharp Corp Driving circuit of electrochromic display device
JPS5458456A (en) * 1977-10-18 1979-05-11 Matsushita Electric Ind Co Ltd Driving device of electrochromic display body
JPS58126577A (en) * 1982-01-25 1983-07-28 株式会社ニコン Electrochromic display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142994A (en) * 1976-05-24 1977-11-29 Sharp Corp Driving circuit of electrochromic display device
JPS5458456A (en) * 1977-10-18 1979-05-11 Matsushita Electric Ind Co Ltd Driving device of electrochromic display body
JPS58126577A (en) * 1982-01-25 1983-07-28 株式会社ニコン Electrochromic display

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