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Inventor: d'Entremont; Alice M.
Address: Boston, MA
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE38942 |
Apparatus for generating an image from a digital video signal |
January 24, 2006 |
| An apparatus for generating a high quality image from a digital video signal includes a system for gamma correcting the digital video signal with a digital look up table and for converting the resultant digital signal to an analog video signal. Another circuit generates a triangular |
| 5712962 |
Gray scale add-on |
January 27, 1998 |
| A system for providing gray scale modulation signals to the drive circuit of a laser printer having a source of printer video timing signals, a printer video drive circuit, a memory for storing a raster bit map that can be read out in accordance with the timing signals, and a source of |
| 4800442 |
Apparatus for generating an image from a digital video signal |
January 24, 1989 |
| An apparatus for generating a high quality image from a digital video signal includes a system for gamma correcting the digital video signal with a digital look up table and for converting the resultant digital signal to an analog video signal. Another circuit generates a triangular |
| 4677571 |
Electronic publishing |
June 30, 1987 |
| A novel electronic printing system for operating both a linear-raster electro-optical display device and a linear-raster type printer, which system is capable of integrating alphanumeric and/or graphics information and gray-scale or picture information, all on a single data base from |
| 4675743 |
Electronic publishing |
June 23, 1987 |
| A novel electronic printing system for operating both a linear-raster electro-optical display device and a linear-raster type printer, which system is capable of integrating alphanumeric and/or graphics information and gray-scale or picture information, all on a single data base from |
| 4536848 |
Method and apparatus for colored computer graphic photography |
August 20, 1985 |
| Method and apparatus for making and photographing computer graphic colored images by defining each computer graphic colored image as a plurality of constant color pixel groups, assigning one of a preselected number of colors to each constant color pixel group, and exposing a photosensiti |
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