HK28078A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number: HK28078A
Authority: HK; Hong Kong
Prior art keywords: electronic timepiece; timepiece; electronic
Prior art date: 1971-01-12

Application number

HK280/78A

Inventor

G A Castellion

D J Berets

G Haake

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

1978-06-01

Publication date

1978-06-09

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

1978-06-01 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1978-06-09 Publication of HK28078A publication Critical patent/HK28078A/en

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)

HK280/78A 1971-01-12 1978-06-01 Electronic timepiece HK28078A (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
HK28078A true HK28078A (en)	1978-06-09

Family

ID=26803050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK280/78A HK28078A (en)	1971-01-12	1978-06-01	Electronic timepiece

Country Status (8)

Country	Link
CA (1)	CA958476A (en)
CH (3)	CH40172A4 (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 GB GB5487271A patent/GB1377620A/en not_active Expired
- 1971-11-25 CA CA128,579A patent/CA958476A/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 CH40172D patent/CH40172A4/xx unknown
- 1972-01-12 FR FR7200996A patent/FR2121801B1/fr not_active Expired
- 1972-01-12 CH CH144973A patent/CH558004A/en not_active IP Right Cessation
- 1972-01-12 CH CH40172A patent/CH561932A/xx not_active IP Right Cessation
1978
- 1978-06-01 HK HK280/78A patent/HK28078A/en unknown

Also Published As

Publication number	Publication date
NL176498B (en)	1984-11-16
GB1377620A (en)	1974-12-18
CH561932A (en)	1975-05-15
IT948135B (en)	1973-05-30
NL176498C (en)	1985-04-16
FR2121801A1 (en)	1972-08-25
DE2201104C2 (en)	1983-12-15
NL7200053A (en)	1972-07-14
FR2121801B1 (en)	1979-04-27
CH558004A (en)	1975-01-15
CA958476A (en)	1974-11-26
DE2201104A1 (en)	1972-09-07
CH40172A4 (en)	1974-10-31

Publication	Publication Date	Title
GB1366795A (en)	1974-09-11	Electronic timepiece
GB1366794A (en)	1974-09-11	Electronic timepiece
MY7800077A (en)	1978-12-31	Electronic timepiece
CA1000510A (en)	1976-11-30	Solid state electronic timepiece
GB1367247A (en)	1974-09-18	Electronic timepieces
HK62676A (en)	1976-10-15	Electronic watch
MY7800072A (en)	1978-12-31	Electronic timepiece
HK40476A (en)	1976-07-09	Electronic timepiece
HK27779A (en)	1979-05-04	Electronic watch
IT956800B (en)	1973-10-10	ELECTRONIC NUMERIC CLOCK
GB1368866A (en)	1974-10-02	Electronic timepiece
GB1417414A (en)	1975-12-10	Digital electronic timepiece
GB1488914A (en)	1977-10-19	Electronic timepiece
GB1419252A (en)	1975-12-24	Electronic timepiece
HK43176A (en)	1976-07-16	Timepiece movement
HK34776A (en)	1976-06-18	Digital clock
MY7700019A (en)	1977-12-31	Timepiece dial
HK30282A (en)	1982-07-09	Electronic timepiece
GB1366828A (en)	1974-09-11	Watch case
HK51577A (en)	1977-10-14	Electronic timepiece
HK64980A (en)	1980-11-28	Watch case
HK43676A (en)	1976-07-16	Timepiece movement
GB1364014A (en)	1974-08-21	Timepiece
HK27679A (en)	1979-05-04	Electronic watch
HK40376A (en)	1976-07-09	An electronic watch