Lens-fitted photo film unit
US6744979B2 · kind B2 · utility
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1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 2002 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | May 28, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A front cover of a lens-fitted photo film unit is formed of a transparent resin. On an inner surface of the front cover, plural inclinations are formed along outlines of a symbol. The front cover covers a front side of the main body. When the lens-fitted photo film unit is disposed in a light, the light passes through the front cover and is reflected toward an outside on the plural inclinations formed on the inner surface of the front cover. As the light is reflected on the inclinations, the symbol indicated in brilliancy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.