Patents by Inventor Felix Rudolf

Felix Rudolf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8220328
    Abstract: A method for evaluating and/or compensating the acceleration offset in a combined accelerometer and gyroscope, wherein the evaluation or compensation is based on a quadrature signal delivered by the accelerometer.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: July 17, 2012
    Assignee: Colibrys SA
    Inventors: Felix Rudolf, Roberto Frosio, Pascal Zwahlen, Bertrand Dutoit
  • Patent number: 8210039
    Abstract: A vibrating gyroscope includes a proof mass (1); a spring suspension system (5, 6, 7, 8; 9) for suspending the proof mass; an electrical drive mechanism for vibrating the proof mass along a drive axis (x); and electrodes (2, 3) for building together with at least a part of the proof mass (1) a capacitance system for detecting moves of the proof mass along a sense axis (z) perpendicular to the drive axis. The gyroscope is arranged so that quadrature forces generate displacements of the proof mass without substantially displacing the neutral point (10) of the proof mass along the sense axis (z). This may be achieved by tilting the proof mass while keeping its neutral point at a constant position along the sense axis, or by applying a constant electrostatic force.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: July 3, 2012
    Assignee: Colibrys, SA
    Inventors: Felix Rudolf, Roberto Frosio, Pascal Zwahlen, Bertrand Dutoit
  • Publication number: 20090223276
    Abstract: A method for evaluating and/or compensating the acceleration offset in a combined accelerometer and gyroscope, wherein the evaluation or compensation is based on a quadrature signal delivered by the accelerometer.
    Type: Application
    Filed: March 4, 2009
    Publication date: September 10, 2009
    Applicant: COLIBRYS SA
    Inventors: Felix Rudolf, Roberto Frosio, Pascal Zwahlen, Bertrand Dutoit
  • Publication number: 20090223277
    Abstract: A vibrating gyroscope comprising: a proof mass (1); a spring suspension system (5, 6, 7, 8; 9) for suspending the proof mass; an electrical drive mechanism for vibrating the proof mass along a drive axis (x); electrodes (2, 3) for building together with at least a part of the proof mass (1) a capacitance system for detecting moves of the proof mass along a sense axis (z) perpendicular to the drive axis. The gyroscope is arranged so that quadrature forces generate displacements of the proof mass without substantially displacing the neutral point (10) of the proof mass along the sense axis (z). This may be achieved by tilting the proof mass while keeping its neutral point at a constant position along the sense axis, or by applying a constant electrostatic force.
    Type: Application
    Filed: March 5, 2009
    Publication date: September 10, 2009
    Applicant: COLIBRYS SA
    Inventors: Felix Rudolf, Roberto Frosio, Pascal Zwahlen, Bertrand Dutoit
  • Publication number: 20070135513
    Abstract: A method for preparing optionally substituted {N-[1-(S)-carbalkoxy-3-phenylpropyl]-S-alanyl-2S,3aR,7aS-octahydroindole-2-carboxylic acid} and pharmaceutically acceptable salts thereof, wherein a racemic mixture of optionally substituted trans-octahydroindole-2-carboxylic acid is reacted with the N-carboxyanhydride of {N-[1-(S)-alkoxycarbonyl-3-phenylpropyl]-L-alanine}, which is optionally substituted on the phenyl ring, in a suitable inert solvent, and subsequently the resulting optionally substituted {N-[1-S-carbalkoxy-3-phenylpropyl]-S-alanyl-2S,3aR,7aS-octahydroindole-2-carboxylic acid}, preferably trandolapril, is isolated, and polymorphic forms A and B of trandolapril.
    Type: Application
    Filed: November 15, 2004
    Publication date: June 14, 2007
    Inventors: Mirko Pogutter, Felix Rudolf, Hans-Ulrich Bichsel, Thomas Bader
  • Patent number: 6798935
    Abstract: This switching device comprises at least one cell made up of a moving structure consisting in a flexible cantilever beam (14) and an integral screen (16) attached to said beam, being able to move between two end positions (A, B) and of actuating electrodes (20) for subjecting said structure to forces of attraction to control its movements. The electrodes (20) are located on each side of the beam (14) in such a way as to follow its exact shape when it is in one of its two end positions. A regular movement of the moving structure and a reliable operating of the switching device are thus obtained This invention may be used in optical switching applications.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: September 28, 2004
    Assignee: Colibrys S.A.
    Inventors: Claude Bourgeois, Patrick Debergh, Stephan Gonseth, Grégoire Perregaux, Felix Rudolf, Appolonius Van Der Wiel
  • Publication number: 20020118911
    Abstract: This switching device comprises at least one cell made up of a moving structure consisting in a flexible cantilever beam (14): and an integral screen (6) attached to said beam, being able to move between two end positions (A, B) and of actuating electrodes (20) for subjecting said structure to forces of attraction to control its movements The electrodes (20) are located on each side of the beam (14) in such a way as to follow its exact shape when it is in one of its two end positions. A regular movement of the moving structure and a reliable operating of the switching device are thus obtained This invention may be used in optical switching applications.
    Type: Application
    Filed: March 26, 2002
    Publication date: August 29, 2002
    Inventors: Claude Bourgeois, Patrick Debergh, Stephan Gonseth, Gregoire Perregaux, Felix Rudolf, Appolonius Van Der Wiel
  • Patent number: 5579149
    Abstract: The obturators can be actuated in order to modulate an incident beam (L). Microshutters (5) are attached to a substrate by means of fastenings opposing resistance to their rotation away from a rest position. The microshutters (5) are placed on optical paths (X--X) so as to be able to interrupt them or establish them. They are fitted out with reflecting surfaces (7) so as to deflect the light when they are in the blocking position. On each optical path (X--X) a supplementary reflecting surface (8), a diaphragm (6) and a focusing means (4) are placed. Thus, in line with its position, each microshutter can focus the light on the diaphragm (6) so as to allow it to pass or to deflect it in order to block it. The application thereof is in the transformation of a beam (L) into a modulated beam (Lm).
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: November 26, 1996
    Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA
    Inventors: Jean-Marc Moret, Philippe Renaud, Felix Rudolf, Raymond Vuilleumier
  • Patent number: 5408731
    Abstract: The process notably consists of assembling by welding by means of a connecting layer (16) a first (10) and a second substrate (12) of a semiconductor material, of thinning the second substrate (12) and, for each of the transducers, of structuring this second thinned substrate (12) to form a network of orifices (24) and of defining the contour of the fixed electrode of the transducer, of etching the first substrate (10) to form the diaphragm (28) of the transducer, and of eliminating the part of the connecting layer (16) which is located between the diaphragm (28) and the network of orifices (24) to separate this diaphragm (28) from the fixed electrode.The invention has applications in the manufacture of transducers such as microphones.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: April 25, 1995
    Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Rechere et Developpement
    Inventors: Johan W. Berggvist, Felix Rudolf
  • Patent number: 4680544
    Abstract: A device sensitive to a magnetic field (B) comprising a flap attached to a support by torsion hinges and a conductor. The conductor carries a current I and thus generates under the effect of a magnetic field a force which tends to cause the flap to turn about its hinge axis. The measurement of this rotation or of the compensation required to nullify the effect of the magnetic field (B) constitutes a measure of this magnetic field. Embodiments are disclosed having multi-turn conductors or ferromagnetic coatings instead of conductors on the flaps.
    Type: Grant
    Filed: March 6, 1984
    Date of Patent: July 14, 1987
    Assignee: Centre Electronique Horloger SA
    Inventor: Felix Rudolf
  • Patent number: 4636827
    Abstract: A device comprising a field effect transistor having a floating gate 20 formed on a first surface of a substrate 10 over gate oxide 13a and source and drain regions 11, 12. A responsive layer 15 is provided on the second surface of the substrate and is capacitatively coupled to the floating gate via a thin insulating membrane 13b at a location away from the transistor. The device is applicable in the biomedical domain.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: January 13, 1987
    Assignee: Fondation Suisse de Recherche en Microtechnique
    Inventor: Felix Rudolf
  • Patent number: 4483194
    Abstract: Integrated accelerometers comprising a flap (2) fixed to a carrier (1) by two attachment means (3) which are disposed symmetrically and in line with one side of the flap. An electrode (5) deposited on a plate (4) permits acceleration to be measured by measuring the corresponding variation in capacitance between the flap (2) and the electrode (5).
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: November 20, 1984
    Assignee: Centre Electronique Horloger S.A.
    Inventor: Felix Rudolf