Electronic eyeball of doll
US5004443A · kind A · utility
Inventor
Key dates
| Filing date | Jan 22, 1990 |
| Grant date | Apr 2, 1991 |
| Priority date | — |
| Expiry date | Jan 22, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H3/38
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention relates to an electronic eyeball of doll and in particular to one comprises at least a transparent hemisphere shaped conical connex lens; a non-transparent but diaphaneity screen plate, two non-transparent, non-diaphaneity disc, a transparent film plate and a light source. The screen plate has a hole at its center attached with a color paper. The two discs also have a hole for light emitted from the light source passing through. The film plate also has a hole at its center which attached with a pupil figure. When light emitted from the light source, light will passing through the holes of the second disc, the film plate, the first disc, the screen plate and projecting onto the conical connex lens and thus the eyeball is vividly formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.