Talk:François Hussenot

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"Unlike modern recorders, Hussenot's early models were photograph-based." No. Even the first ones, in 1939, were not "photograph-based", an expression which makes no sense anyway for a FDR. His inventions, A11, A13, A20, etc., based on the same principle, where used in England and in the US, in the 50's as the most competitive models. A serious search on internet will provide you with testimonies of pilots and engineers. (Comment by User:Agateh, 17:28, 15 March 2009)

Please provide more backup to your claims and please do not let other people make the "serious search" you are talking about. References added in the article confirm that the recorders were indeed "photograph-based", even if the expression is admittedly unclear. The recording was made on a scrolling photographic film, by a thin ray of light deviated by mirrors. The tilt of the mirror was a function of the amplitude to the signal to record. The film-based technology had the advantage of allowing a durable, visual feedback of the record after developing the film, without resorting to another device to "replay" the recording. Flambe (talk) 21:20, 29 May 2009 (UTC)

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