FR2422180A2 - Electronic display system via jewelled watch front - has reflective layer preventing display of inactive electronic elements - Google Patents
Electronic display system via jewelled watch front - has reflective layer preventing display of inactive electronic elementsInfo
- Publication number
- FR2422180A2 FR2422180A2 FR7810153A FR7810153A FR2422180A2 FR 2422180 A2 FR2422180 A2 FR 2422180A2 FR 7810153 A FR7810153 A FR 7810153A FR 7810153 A FR7810153 A FR 7810153A FR 2422180 A2 FR2422180 A2 FR 2422180A2
- Authority
- FR
- France
- Prior art keywords
- electronic
- jewelled
- display
- reflective layer
- system via
- 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.)
- Granted
Links
Classifications
-
- 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
- G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
- G04B39/004—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Adornments (AREA)
Abstract
The electronic time display through a decorative natural or synthetic precious stone is for wrist watch. The stone has a reflective backing layer which prevents the optoelectronic figuring from being seein when not in use and when being illuminated from the front by strong light levels. The jewel (43) has a matching glass plate (44) fitted behind it, its forward or rear surface having a vacuum deposited layer of gold (46) the thickness of which is dependant on the display source colour (41). The jewel is held by claws (42) integral with the wrist watch casing (40) and a sealing ring (45) or rings preventing ingress of foreign matter.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7810153A FR2422180A2 (en) | 1977-04-07 | 1978-04-05 | Electronic display system via jewelled watch front - has reflective layer preventing display of inactive electronic elements |
MC781315A MC1203A1 (en) | 1978-04-05 | 1978-07-27 | TIME PRESENTATION DEVICE OF AN OPTO-ELECTRONIC SYSTEM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7710540A FR2386851A1 (en) | 1977-04-07 | 1977-04-07 | PRESENTATION OF TIME INFORMATION BY STATIC OR ELECTRO-OPTICAL INDICATOR SYSTEM THROUGH PRECIOUS, FINE OR DECORATIVE STONE |
FR7810153A FR2422180A2 (en) | 1977-04-07 | 1978-04-05 | Electronic display system via jewelled watch front - has reflective layer preventing display of inactive electronic elements |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2422180A2 true FR2422180A2 (en) | 1979-11-02 |
FR2422180B2 FR2422180B2 (en) | 1981-10-02 |
Family
ID=26219948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7810153A Granted FR2422180A2 (en) | 1977-04-07 | 1978-04-05 | Electronic display system via jewelled watch front - has reflective layer preventing display of inactive electronic elements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2422180A2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2088361A1 (en) * | 1970-05-06 | 1972-01-07 | Hamilton Watch Co |
-
1978
- 1978-04-05 FR FR7810153A patent/FR2422180A2/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2088361A1 (en) * | 1970-05-06 | 1972-01-07 | Hamilton Watch Co |
Also Published As
Publication number | Publication date |
---|---|
FR2422180B2 (en) | 1981-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
CN | Change in juridical nature |