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 |
| 5425104 | Inconspicuous communication method utilizing remote electromagnetic drive An inconspicuous hearing system is described that uses a coil to electromagnetically couple with, and therefore drive, a permanent magnet attached to the tympanic membrane or ossicular chain. This hearing system enables hearing impaired individuals, as we... | 06/13/1995 |
| 5259032 | contact transducer assembly for hearing devices A contact transducer assembly for an electromagnetically driven hearing device such as a hearing aid or other audio signal reproducing device worn by a user is described. The contact transducer assembly includes a transducer which is attached to a biocomp... | 11/02/1993 |
| 5197332 | Headset hearing tester and hearing aid programmer A headset-based hearing tester and hearing aid programming instrument featuring an electronic module shaped as a headband having a connected acoustic transducer module. The electronic module includes microcontroller, internal and plug-in external memory f... | 03/30/1993 |
