CA1029875A - Liquid crystal device with direct current rejection means - Google Patents

Liquid crystal device with direct current rejection means

Info

Publication number
CA1029875A
CA1029875A CA203,100A CA203100A CA1029875A CA 1029875 A CA1029875 A CA 1029875A CA 203100 A CA203100 A CA 203100A CA 1029875 A CA1029875 A CA 1029875A
Authority
CA
Canada
Prior art keywords
liquid crystal
direct current
crystal device
rejection means
current rejection
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.)
Expired
Application number
CA203,100A
Other languages
English (en)
French (fr)
Other versions
CA203100S (en
Inventor
Keniti Suenami
Kazuhiko Shimizu
Kazuo Ogata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1029875A publication Critical patent/CA1029875A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
CA203,100A 1973-06-22 1974-06-21 Liquid crystal device with direct current rejection means Expired CA1029875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973075040U JPS5834472Y2 (ja) 1973-06-22 1973-06-22 エキシヨウヒヨウジソウチ ノ コウリユウクドウカイロ

Publications (1)

Publication Number Publication Date
CA1029875A true CA1029875A (en) 1978-04-18

Family

ID=13564681

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,100A Expired CA1029875A (en) 1973-06-22 1974-06-21 Liquid crystal device with direct current rejection means

Country Status (7)

Country Link
US (1) US3947721A (ja)
JP (1) JPS5834472Y2 (ja)
CA (1) CA1029875A (ja)
DE (1) DE2429966A1 (ja)
FR (1) FR2234625A1 (ja)
GB (1) GB1472597A (ja)
NL (1) NL7408201A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309000A1 (fr) * 1975-04-25 1976-11-19 Cii Dispositif de commande d'un element d'affichage a cristal liquide
JPS5296064A (en) * 1976-02-09 1977-08-12 Seiko Epson Corp Electronic timepiece
US4728946A (en) * 1985-10-29 1988-03-01 Sharples Kenneth R AC coupled LCD annunciator control system
US5576737A (en) * 1993-12-22 1996-11-19 Seiko Epson Corporation Liquid crystal drive device, liquid crystal display device, and liquid crystal drive method
US6490402B1 (en) 2000-08-02 2002-12-03 Sony Corporation Flexible flat color display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013132B1 (ja) * 1970-12-02 1975-05-17
US3750140A (en) * 1971-05-13 1973-07-31 Veeder Industries Inc Optical display device and drive circuit therefor
JPS4958253U (ja) * 1972-08-29 1974-05-22

Also Published As

Publication number Publication date
US3947721A (en) 1976-03-30
JPS5021424U (ja) 1975-03-11
GB1472597A (en) 1977-05-04
FR2234625A1 (ja) 1975-01-17
DE2429966A1 (de) 1975-01-30
NL7408201A (ja) 1974-12-24
JPS5834472Y2 (ja) 1983-08-02

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