JPS57208488A - Dial type electronic clock - Google Patents

Dial type electronic clock

Info

Publication number
JPS57208488A
JPS57208488A JP9392481A JP9392481A JPS57208488A JP S57208488 A JPS57208488 A JP S57208488A JP 9392481 A JP9392481 A JP 9392481A JP 9392481 A JP9392481 A JP 9392481A JP S57208488 A JPS57208488 A JP S57208488A
Authority
JP
Japan
Prior art keywords
liquid crystal
plate
crystal cell
layer liquid
polarizing
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
JP9392481A
Other languages
Japanese (ja)
Inventor
Takashi Ito
Hiromitsu Ogura
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.)
Hitachi Microcomputer System Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Microcomputer Engineering 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 Hitachi Ltd, Hitachi Microcomputer Engineering Ltd filed Critical Hitachi Ltd
Priority to JP9392481A priority Critical patent/JPS57208488A/en
Publication of JPS57208488A publication Critical patent/JPS57208488A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:To perform a simultaneous display of 2 types of time data being different in a type, by constituting a liquid crystal display part such that it is formed into a multilayer. CONSTITUTION:A first layer liquid crystal cell, consisting of an upper plate glass 2 comprising a segment electrode of a liquid crystal display part, a liquid crystal material 3, and a lower plate glass 4 comprising a common electrode, is placed to an under surface side of a neutral upper polarizing plate 1. A neutral middle polarizing plate 5, a second layer liquid crystal cell, a color (green) polarizing plate 9, and a reflecting plate 10 are positioned below the first liquid crystal cell. If a voltage is applied to the first layer liquid crystal cell, a polarizing direction of a rectilinear polarized light at the plate 1 is not turned at the first layer liquid crystal cell, and as a result, it can not transmit the plate 5, and this causes an electrode pattern to be displayed in black. When a voltage is applied to the second layer liquid crystal cell, a polarizing direction of a rectilinear light, transmitting the plate 5, crosses the polarizing direction of the plate 9 at right angles, and this causes a green pattern to be displayed.
JP9392481A 1981-06-19 1981-06-19 Dial type electronic clock Pending JPS57208488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9392481A JPS57208488A (en) 1981-06-19 1981-06-19 Dial type electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9392481A JPS57208488A (en) 1981-06-19 1981-06-19 Dial type electronic clock

Publications (1)

Publication Number Publication Date
JPS57208488A true JPS57208488A (en) 1982-12-21

Family

ID=14095989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9392481A Pending JPS57208488A (en) 1981-06-19 1981-06-19 Dial type electronic clock

Country Status (1)

Country Link
JP (1) JPS57208488A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7868973B2 (en) 2006-11-27 2011-01-11 Innocom Technology (Shenzhen) Co., Ltd. Liquid crystal display device with two liquid crystal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7868973B2 (en) 2006-11-27 2011-01-11 Innocom Technology (Shenzhen) Co., Ltd. Liquid crystal display device with two liquid crystal

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