JPS52135224A - Driving system of liquid crystal indicating device - Google Patents

Driving system of liquid crystal indicating device

Info

Publication number
JPS52135224A
JPS52135224A JP5178976A JP5178976A JPS52135224A JP S52135224 A JPS52135224 A JP S52135224A JP 5178976 A JP5178976 A JP 5178976A JP 5178976 A JP5178976 A JP 5178976A JP S52135224 A JPS52135224 A JP S52135224A
Authority
JP
Japan
Prior art keywords
liquid crystal
driving system
indicating device
voltage
crystal indicating
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
JP5178976A
Other languages
Japanese (ja)
Inventor
Hiroo Fujita
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP5178976A priority Critical patent/JPS52135224A/en
Priority to US05/742,971 priority patent/US4100540A/en
Priority to GB47860/76A priority patent/GB1564032A/en
Priority to CH1454876A priority patent/CH619833B/en
Priority to DE2652576A priority patent/DE2652576C2/en
Publication of JPS52135224A publication Critical patent/JPS52135224A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

PURPOSE: To carry our easily matching between a threshold boltage VTH-saturation voltage VS characteristic of actual liquid crystal and a threshold voltage VTH'-saturated voltage VS' characteristic in case of driving it by setting a period when voltage impressed to a digit driving electrode equals to that of a segment driving electrode.
COPYRIGHT: (C)1977,JPO&Japio
JP5178976A 1975-11-18 1976-05-07 Driving system of liquid crystal indicating device Pending JPS52135224A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5178976A JPS52135224A (en) 1976-05-07 1976-05-07 Driving system of liquid crystal indicating device
US05/742,971 US4100540A (en) 1975-11-18 1976-11-17 Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption
GB47860/76A GB1564032A (en) 1975-11-18 1976-11-17 Method and device fordriving liquid crystal display matrix
CH1454876A CH619833B (en) 1975-11-18 1976-11-18 METHOD FOR EXCITING A LIQUID CRYSTAL INDICATOR AND CIRCUIT FOR CARRYING OUT THE METHOD.
DE2652576A DE2652576C2 (en) 1975-11-18 1976-11-18 Method of operating a liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5178976A JPS52135224A (en) 1976-05-07 1976-05-07 Driving system of liquid crystal indicating device

Publications (1)

Publication Number Publication Date
JPS52135224A true JPS52135224A (en) 1977-11-12

Family

ID=12896699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5178976A Pending JPS52135224A (en) 1975-11-18 1976-05-07 Driving system of liquid crystal indicating device

Country Status (1)

Country Link
JP (1) JPS52135224A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6336221A (en) * 1986-07-31 1988-02-16 Canon Inc Physical properties shutter device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6336221A (en) * 1986-07-31 1988-02-16 Canon Inc Physical properties shutter device

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