Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 4882726 | Full duplex modem system for differing data bit rates A pair of full duplex modems are connected and each is designed to transmit to the other at the same predetermined band rates. One modem is connected to receive data bits for transmission over the channel at a predetermined first (and fast) rate and to tr... | 11/21/1989 |
| 4733401 | Block coding into 24 coordinates and detection of transmitted signals In data transmission data is block encoded into 24 signal values determined by pattern vectors of a Leech matrix, detected and decoded. The decoder and, optionally, the decoder is (are) designed to operate with pattern vector from a Leech matrix which has... | 03/22/1988 |
| 4731799 | Means and method for block encoding detection and decoding Numeric signals appearing on a communication channel are converted in blocks of b signals to a number N. The number N is converted to coordinates in K dimensional space where 40ࣙK | 03/15/1988 |
| 4630288 | Data transmission with block coding An encoder treats a block of b bits of binary data as a number N and encodes it into eight values S1, S2 . . . S8 identifying it. The eight values are each selected from positive, negative and zero integer values; and the values are chosen so that a set o... | 12/16/1986 |
