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...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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Inventor: Joachim Wilhelm Hellmig


Address: Eindhoven, NL
No. of patents: 2
Last patent issue date: 01/04/2011

NumberTitleIssue Date
7864645Method and device for recording marks in an information layer of an optical record carrier
A method and recording device for recording marks in a phase-change type record carrier uses increased cooling period between pulses in a sequence of write pulses by applying m write pulses, where m is depended on n/α (α being an integer larger than 1). The number...
01/04/2011
7619957Method and device for recording marks representing data in an information layer of an optical record carrier
A device and method of recording marks representing data in an information layer of a record carrier includes irradiating the information layer by a pulsed radiation beam, each mark being written by a sequence of pulses. The recorded marks are erasable by irradiatin...
11/17/2009
 
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