CA958476A - Electrochromic information displays - Google Patents

Electrochromic information displays

Info

Publication number: CA958476A
Authority: CA; Canada
Prior art keywords: information displays; electrochromic; electrochromic information; displays; information
Prior art date: 1971-01-12
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

CA128,579A

Other versions

CA128579S (en

Inventor

Donald J. Berets

Gottfried Haacke

George A. Castellion

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.)

Wyeth Holdings LLC

Original Assignee

American Cyanamid Co

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.)

1971-01-12

Filing date

1971-11-25

Publication date

1974-11-26

1971-06-03 Priority claimed from US00149423A external-priority patent/US3839857A/en

1971-11-25 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1974-11-26 Application granted granted Critical

1974-11-26 Publication of CA958476A publication Critical patent/CA958476A/en

Status Expired 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
- G04G9/0035—Details constructional
- 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
- G04G9/0035—Details constructional
- G04G9/0041—Illumination devices
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
- G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
- 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
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Electric Clocks (AREA)
Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

CA128,579A 1971-01-12 1971-11-25 Electrochromic information displays Expired CA958476A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10588371A	1971-01-12	1971-01-12
US00149423A US3839857A (en)	1971-06-03	1971-06-03	Electrochromic information displays

Publications (1)

Publication Number	Publication Date
CA958476A true CA958476A (en)	1974-11-26

Family

ID=26803050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA128,579A Expired CA958476A (en)	1971-01-12	1971-11-25	Electrochromic information displays

Country Status (8)

Country	Link
CA (1)	CA958476A (en)
CH (3)	CH558004A (en)
DE (1)	DE2201104C2 (en)
FR (1)	FR2121801B1 (en)
GB (1)	GB1377620A (en)
HK (1)	HK28078A (en)
IT (1)	IT948135B (en)
NL (1)	NL176498C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA999388A (en) *	1972-12-07	1976-11-02	American Cyanamid Company	Electrochromic information display for telephones
CH594263A5 (en) *	1975-11-29	1977-12-30	Ebauches Sa
DE2832999A1 (en) *	1977-07-29	1979-02-15	Sharp Kk	ELECTROCHROME DISPLAY DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GR32671B (en) *	1966-02-25	1967-08-02	American Cyanamid Company	ELECTRO - OPTICAL DEVICES.
US3451741A (en) *	1966-06-15	1969-06-24	Du Pont	Electrochromic device
US3521941A (en) *	1967-02-07	1970-07-28	American Cyanamid Co	Electro-optical device having variable optical density
US3485033A (en) *	1968-03-19	1969-12-23	Corning Glass Works	Electronic timepiece having light beam adjustment means
US3540209A (en) *	1968-07-31	1970-11-17	Timex Corp	Horological time display

1971
- 1971-11-25 CA CA128,579A patent/CA958476A/en not_active Expired
- 1971-11-25 GB GB5487271A patent/GB1377620A/en not_active Expired
1972
- 1972-01-04 NL NLAANVRAGE7200053,A patent/NL176498C/en not_active IP Right Cessation
- 1972-01-07 IT IT47590/72A patent/IT948135B/en active
- 1972-01-11 DE DE2201104A patent/DE2201104C2/en not_active Expired
- 1972-01-12 CH CH144973A patent/CH558004A/en not_active IP Right Cessation
- 1972-01-12 CH CH40172A patent/CH561932A/xx unknown
- 1972-01-12 CH CH40172D patent/CH40172A4/xx unknown
- 1972-01-12 FR FR7200996A patent/FR2121801B1/fr not_active Expired
1978
- 1978-06-01 HK HK280/78A patent/HK28078A/en unknown

Also Published As

Publication number	Publication date
NL176498C (en)	1985-04-16
NL176498B (en)	1984-11-16
DE2201104A1 (en)	1972-09-07
FR2121801B1 (en)	1979-04-27
FR2121801A1 (en)	1972-08-25
IT948135B (en)	1973-05-30
CH558004A (en)	1975-01-15
GB1377620A (en)	1974-12-18
DE2201104C2 (en)	1983-12-15
HK28078A (en)	1978-06-09
CH561932A (en)	1975-05-15
NL7200053A (en)	1972-07-14
CH40172A4 (en)	1974-10-31

Publication	Publication Date	Title
AU453077B2 (en)	1974-09-19	Visual display member
CA954611A (en)	1974-09-10	Character display systems
CA981778A (en)	1976-01-13	Liquid crystal display
CA1004316A (en)	1977-01-25	Liquid crystal display
AU458285B2 (en)	1975-02-03	Data stores
CA966539A (en)	1975-04-22	Display panel
CA977962A (en)	1975-11-18	Information display devices
CA968324A (en)	1975-05-27	Electro-optical recorder
CA958476A (en)	1974-11-26	Electrochromic information displays
CA999388A (en)	1976-11-02	Electrochromic information display for telephones
CA996661A (en)	1976-09-07	Weather time display
AU4167772A (en)	1973-11-01	Display means
CA879381A (en)	1971-08-24	Controlled display information
CA957986A (en)	1974-11-19	Display case
CA963062A (en)	1975-02-18	High contrast display panel
CA937754A (en)	1973-12-04	Display sign
CA973637A (en)	1975-08-26	Display system
CA882920A (en)	1971-10-05	Data display system
CA870967A (en)	1971-05-18	Display card
CA862332A (en)	1971-01-26	Display panel
CA884489A (en)	1971-10-26	Display panel
CA959009A (en)	1974-12-10	Display units
CA879977A (en)	1971-08-31	Display system
CA866442A (en)	1971-03-16	Electrophotoluminescent display system
CA879969A (en)	1971-08-31	Display system