Patents by Inventor Herve Arribard

Herve Arribard 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).

  • Logarithmic converters and their application to the measurement of transmitted light
    Patent number: 4905005
    Abstract: The object of the present invention is the improvement of logarithmic amplifiers and/or converters and the applications of such devices in particular to photometric analyzer apparatuses.These amplifiers are characterized by the fact that they are linear with an amplification gain programmable by the .mu.P computer and that they may be preceded optionally by a reference voltage system.Application to the measurement of light transmitted by samples.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: February 27, 1990
    Assignee: Inovelf
    Inventors: Herve Arribard, Bruno Cornut, Gilbert Passade, Claude Sesques