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Dandliker Rene, Mottier Francois M: Device for measuring the roughness of a surface. BBC Brown Boveri & Cie, Oblon Fisher Spivak McClelland & Maier, November 25, 1975: US3922093 (83 worldwide citation)

An apparatus is disclosed for measuring the roughness of a surface with improved accuracy. The apparatus, several embodiments of which are disclosed, includes a device for illuminating a surface being studied and a photosensitive detector for determining the maximum intensity of light reflected on t ...


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Mottier Francois M, Dandliker Rene: Apparatus for evaluating holographically reconstructed wave fields with two frequencies. BBC Brown Boveri & Company, Oblon Fisher Spivak McClelland & Maier, October 21, 1975: US3914056 (3 worldwide citation)

Apparatus for evaluating the reconstruction of holographically recorded wave fields wherein the same spatial arrangement of the reconstructing apparatus with respect to the recording medium and the reference waves is utilized as in the recording process. The frequencies of the reference waves utiliz ...


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Mottier Francois M, Wisner George R: Reduced noise commutator.. United Technologies, June 30, 1993: EP0548244-A1

A commutator arrangement includes a commutator member rotatably mounted on a support and including a plurality of circumferentially adjacent contact pads that are mechanically connected with one another and electrically separated from each other by respective intervening gaps, and a number of commut ...


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Mottier Francois M: Appareil electronique a compter personnes et objets, Object and people counting system. Otis Elevator Company, GOWLING LAFLEUR HENDERSON, March 29, 1983: CA1143816

Object and People Counting System Abstract The perimeter of an area is scanned alongtwo adjacent paths which define spacially resolvedgates through which objects and people must passto enter and leave the area. As the gates arescanned, the-presence of objects and people aredetected. A complete scan ...


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Mottier Francois M, Wisner George R: Reduced noise commutator. United Technologies Corporation, RUZEK Peter R, March 19, 1992: WO/1992/004761

A commutator arrangement includes a commutator member (11) rotatably mounted on a support (13) and including a plurality of circumferentially adjacent contact pads (17) that are mechanically connected with one another and electrically separated from each other by respective intervening gaps (18), an ...


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