Lens-fitted photo film unit with data recording device
US6243536A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Jun 5, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/243
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens-fitted photo film unit is provided with a data recording device, wherein a plastic light guide member has a flash light entering portion that is opposed to a front portion of a flash projector of a built-in flash device, and a light projection terminal facing an LCD panel of a data display module. The light guide member also has an external light entering surface that is exposed to a front portion of the film unit, to collect external light and conduct it to the light projection terminal. The light projected from the light projection terminal toward the LCD panel is used for recording data displayed on the LCD panel onto a filmstrip contained in the film unit. When the film unit is used in a dark place, the flash device is activated to project a flash light from the flash projector. So the flash light partly enters through the flash light entering portion, and is added to the external light entering through the external light entering surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.