Silhouette cutting apparatus
US4882622A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1988 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Sep 16, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A silhouette cutting apparatus includes a two-dimensional image scanner for reading a color separation film, a frame memory for storing a read image signal, a CRT display for displaying an image of any color separation film selectively output from the frame memory, a pointer for displaying a cross mark at one point in a desired figure in a displayed image, a latch for latching color or brightness of a displayed point of the cross mark, a comparator for comparing the data from the latch with color or brightness of all other points of image signals of any separation film selectively output from the frame memory and detecting silhouette image information of the desired figure in accordance with whether or not their difference exceeds a predetermined value, and a cutting plotter for cutting a peel-off film in accordance with the detected silhouette image information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.