FR2231996A1 - - Google Patents
Info
- Publication number
- FR2231996A1 FR2231996A1 FR7418482A FR7418482A FR2231996A1 FR 2231996 A1 FR2231996 A1 FR 2231996A1 FR 7418482 A FR7418482 A FR 7418482A FR 7418482 A FR7418482 A FR 7418482A FR 2231996 A1 FR2231996 A1 FR 2231996A1
- Authority
- FR
- France
- 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.)
- Granted
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
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
-
- 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
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
- G04G9/0052—Details electrical, e.g. selection or application of the operating voltage using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electric Clocks (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36479473A | 1973-05-29 | 1973-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2231996A1 true FR2231996A1 (fr) | 1974-12-27 |
FR2231996B1 FR2231996B1 (fr) | 1978-01-20 |
Family
ID=23436105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7418482A Expired FR2231996B1 (fr) | 1973-05-29 | 1974-05-28 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5022669A (fr) |
FR (1) | FR2231996B1 (fr) |
GB (1) | GB1466624A (fr) |
HK (1) | HK52377A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2312057A1 (fr) * | 1975-05-23 | 1976-12-17 | Seiko Instr & Electronics | Montre electronique differenciant des heures du matin et de l'apres-midi |
FR2328230A1 (fr) * | 1975-10-14 | 1977-05-13 | Seiko Instr & Electronics | Chronometre electronique |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2221681A1 (de) * | 1971-05-03 | 1972-11-23 | Riehl Roger W | Elektronische Uhr |
-
1974
- 1974-05-20 GB GB2247074A patent/GB1466624A/en not_active Expired
- 1974-05-28 FR FR7418482A patent/FR2231996B1/fr not_active Expired
- 1974-05-29 JP JP5982874A patent/JPS5022669A/ja active Pending
-
1977
- 1977-10-13 HK HK52377A patent/HK52377A/xx unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2221681A1 (de) * | 1971-05-03 | 1972-11-23 | Riehl Roger W | Elektronische Uhr |
Non-Patent Citations (1)
Title |
---|
REVUE US: "ELECTRONICS", VOL. 45, No. 8, 10 AVRIL 1972, PAGES 93-97, ARTICLE DE N.A. LUCE: "C MOSDIGITAL WRIST WATCH FEATURES LIQUID CRYSTAL DISPLAY" * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2312057A1 (fr) * | 1975-05-23 | 1976-12-17 | Seiko Instr & Electronics | Montre electronique differenciant des heures du matin et de l'apres-midi |
FR2328230A1 (fr) * | 1975-10-14 | 1977-05-13 | Seiko Instr & Electronics | Chronometre electronique |
Also Published As
Publication number | Publication date |
---|---|
HK52377A (en) | 1977-10-20 |
FR2231996B1 (fr) | 1978-01-20 |
JPS5022669A (fr) | 1975-03-11 |
GB1466624A (en) | 1977-03-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |