HK45979A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
HK45979A
HK45979A HK45979A HK45979A HK45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A
Authority
HK
Hong Kong
Prior art keywords
electronic wristwatch
wristwatch
electronic
Prior art date
Application number
HK45979A
Original Assignee
Suwa Seikosha Kk
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 Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of HK45979A publication Critical patent/HK45979A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/126—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals provided with means for displaying at will a time indication or a date or a part thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
HK45979A 1974-04-08 1979-07-05 Electronic wristwatch HK45979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49039616A JPS50133868A (en) 1974-04-08 1974-04-08

Publications (1)

Publication Number Publication Date
HK45979A true HK45979A (en) 1979-07-13

Family

ID=12558029

Family Applications (1)

Application Number Title Priority Date Filing Date
HK45979A HK45979A (en) 1974-04-08 1979-07-05 Electronic wristwatch

Country Status (5)

Country Link
JP (1) JPS50133868A (en)
DE (1) DE2515303B2 (en)
GB (1) GB1495568A (en)
HK (1) HK45979A (en)
MY (1) MY8000044A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365150A1 (en) * 1976-09-17 1978-04-14 Seiko Instr & Electronics Electronic timepiece with variable colour display - is controlled by display function selector switch and uses mixture of liquid crystals
JPS6060727U (en) * 1983-09-30 1985-04-27 日本電気株式会社 electrochromic display device
EP1810077B1 (en) * 2004-11-12 2009-01-07 Siemens Aktiengesellschaft Printed circuit board with an electrochromic component and production method therefor
CN102835731A (en) * 2012-07-24 2012-12-26 云南瑞升烟草技术（集团）有限公司 Paper-making method reconstituted tobacco with stripes or patterns

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453038A (en) * 1966-06-15 1969-07-01 Du Pont Compartmented electrochromic device
JPS4934868A (en) * 1972-07-31 1974-03-30

Also Published As

Publication number Publication date
DE2515303A1 (en) 1975-10-16
JPS50133868A (en) 1975-10-23
GB1495568A (en) 1977-12-21
MY8000044A (en) 1980-12-31
DE2515303B2 (en) 1979-04-12

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