GB1481478A - Electronic timepiece with electrochromic display element - Google Patents

Electronic timepiece with electrochromic display element

Info

Publication number
GB1481478A
GB1481478A GB810/75A GB81075A GB1481478A GB 1481478 A GB1481478 A GB 1481478A GB 810/75 A GB810/75 A GB 810/75A GB 81075 A GB81075 A GB 81075A GB 1481478 A GB1481478 A GB 1481478A
Authority
GB
United Kingdom
Prior art keywords
display
electrochromic
day
colour
elements
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
GB810/75A
Other languages
English (en)
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
Publication of GB1481478A publication Critical patent/GB1481478A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/1533—Constructional details structural features not otherwise provided for
    • 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
    • G02F1/1514—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 characterised by the electrochromic material, e.g. by the electrodeposited material
    • G02F1/1523—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 characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
    • G02F1/1524—Transition metal compounds
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB810/75A 1974-01-08 1975-01-08 Electronic timepiece with electrochromic display element Expired GB1481478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49005498A JPS50101068A (US08177716-20120515-C00003.png) 1974-01-08 1974-01-08

Publications (1)

Publication Number Publication Date
GB1481478A true GB1481478A (en) 1977-07-27

Family

ID=11612876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB810/75A Expired GB1481478A (en) 1974-01-08 1975-01-08 Electronic timepiece with electrochromic display element

Country Status (4)

Country Link
US (1) US4006585A (US08177716-20120515-C00003.png)
JP (1) JPS50101068A (US08177716-20120515-C00003.png)
DE (1) DE2500251C3 (US08177716-20120515-C00003.png)
GB (1) GB1481478A (US08177716-20120515-C00003.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196582A (en) * 1975-01-06 1980-04-08 Ebauches S.A. Control device for an electronic watch
JPS529470A (en) * 1975-07-14 1977-01-25 Citizen Watch Co Ltd Clock
JPS5221861A (en) * 1975-08-11 1977-02-18 Seiko Instr & Electronics Ltd Digital liquid-clystal electronic watch
JPS5911911B2 (ja) * 1975-12-01 1984-03-19 シチズン時計株式会社 デンシコウガクテキヒヨウジタイノクドウホウホウ
JPS5840877B2 (ja) * 1976-06-15 1983-09-08 日本テレビジヨン工業株式会社 時間信号発生器
JPS5310471A (en) * 1976-07-16 1978-01-30 Seiko Epson Corp Method of time indication for digital watches
FR2365150A1 (fr) * 1976-09-17 1978-04-14 Seiko Instr & Electronics Dispositif d'horlogerie electronique comportant un affichage de couleur variable
US4184751A (en) * 1976-12-20 1980-01-22 Rockwell International Corporation Phthalocyanine electrochromic display
GB1578600A (en) * 1976-12-20 1980-11-05 Rockwell International Corp Electrochromic display device
US4371236A (en) * 1976-12-20 1983-02-01 Rockwell International Corporation Electrochromic display using rare-earth diphthalocyanines and a low freezing-point electrolyte
US4146876A (en) * 1977-06-29 1979-03-27 International Business Machines Corporation Matrix addressed electrochromic display
JPS5432096A (en) * 1977-08-16 1979-03-09 Seiko Instr & Electronics Ltd Driving method for desplay substance
US4272836A (en) * 1978-01-12 1981-06-09 Citizen Watch Co., Ltd. Alarm timepiece
DE2804041C3 (de) * 1978-01-31 1983-11-17 Gebrüder Junghans GmbH, 7230 Schramberg Elektronische Uhr
US4306774A (en) * 1978-10-04 1981-12-22 Rockwell International Corporation Solid state electrochromic display
JPS5576981A (en) * 1978-12-06 1980-06-10 Citizen Watch Co Ltd Electrooptical display watch
JPH038524B2 (US08177716-20120515-C00003.png) * 1979-05-08 1991-02-06 Rockwell International Corp
US4332440A (en) * 1980-03-17 1982-06-01 Bell Telephone Laboratories, Incorporated Structure of display devices
CH627610GA3 (US08177716-20120515-C00003.png) * 1980-05-16 1982-01-29
EP3514777B1 (en) 2018-01-18 2021-07-28 Carrier Corporation Electrochromic device for safety detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626410A (en) * 1969-07-11 1971-12-07 Gen Time Corp Moving indicator electrochemical display
BE755563A (fr) * 1969-09-02 1971-03-01 Polaroid Corp Dispositif de filtrage variable de lumiere
US3712710A (en) * 1970-12-21 1973-01-23 American Cyanamid Co Solid state electrochromic mirror
US3839857A (en) * 1971-06-03 1974-10-08 American Cyanamid Co Electrochromic information displays
GB1349209A (en) * 1971-02-25 1974-04-03 Suwa Seikosha Kk Electronic timepiece
US3839856A (en) * 1971-05-14 1974-10-08 Time Computer Solid state watch with calendar display
US3863436A (en) * 1974-04-18 1975-02-04 Timex Corp Solid state quartz watch

Also Published As

Publication number Publication date
DE2500251B2 (de) 1976-12-16
DE2500251A1 (de) 1975-07-17
US4006585A (en) 1977-02-08
JPS50101068A (US08177716-20120515-C00003.png) 1975-08-11
DE2500251C3 (de) 1980-04-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee