| Patent Number |
Title Of Patent |
Date Issued |
| 5049900 |
Knurled roller film transport and realted method |
September 17, 1991 |
| An apparatus is provided for scanning a photographic film or the like with a laser beam. The apparatus includes a roll source or cassette of film to be supplied and used and a take-up cassette to receive the exposed film in the form of a roll. Between the source of the film and the take- |
| 4922266 |
Method for placing information on a medium while compensating for deviations from a characterist |
May 1, 1990 |
| A laser scanning apparatus is provided with a compensating arrangement whereby deviations of a synchronous drive are compensated for by adjusting the frequency with which the laser beam is modulated. The laser beam is directed onto a rotatable spinner which causes the laser beam to scan |
| 4786919 |
Method and apparatus for placing information on a medium while compensating for deviations from |
November 22, 1988 |
| A laser scanning apparatus is provided with a compensating arrangement whereby deviations of a synchronous drive are compensated for by adjusting the frequency with which the laser beam is modulated. The laser beam is directed onto a rotatable spinner which causes the laser beam to scan |
| 4703476 |
Encoding of transmitted program material |
October 27, 1987 |
| An audio program is encoded with a subaudible binary code. A first value bit (mark) is a first frequency signal and a second value bit (space) is a second frequency signal. The coded message includes an initialization period constituted by a signal having the mark frequency. In decoding, |
