Patents by Inventor Gottfried Berthold

Gottfried Berthold 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).

  • Capacitive sensor for detecting surface condensation
    Patent number: 6614241
    Abstract: A capacitive sensor for detecting surface condensation which includes a carrier (2), a metal layer (3) applied to the carrier (2) to form an interdigital structure, a passivation layer (6) formed over the metal layer (3), and a hydrophilic layer (7) applied over the passivation layer (6), where the hydrophilic layer (7) increases a surface tension of the passivation layer (7).
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: September 2, 2003
    Assignee: Preh-Werke GmbH & Co. KG
    Inventors: Hans-Michael Schmitt, Gottfried Berthold, Juergen Bach
  • Capacitive sensor for detecting surface condensation
    Publication number: 20010030545
    Abstract: A capacitive sensor for detecting surface condensation which includes a carrier (2), a metal layer (3) applied to the carrier (2) to form an interdigital structure, a passivation layer (6) formed over the metal layer (3), and a hydrophilic layer (7) applied over the passivation layer (6), where the hydrophilic layer (7) increases a surface tension of the passivation layer (7).
    Type: Application
    Filed: March 28, 2001
    Publication date: October 18, 2001
    Inventors: Hans-Michael Schmitt, Gottfried Berthold, Juergen Bach
  • Diode mount for an led with a plug connector and compensating resistor, and a method of its manufacture
    Patent number: 5828172
    Abstract: A diode mount for an LED (2) with a plug connector (3) and compensating resistor (4) is manufactured by injection molding a one piece housing and mounting an LED and plug connector therein. An electrical connection between the LED and the plug connector, as well as a mechanical fixing, is accomplished by an electrically-conductive paste (5). At the same time, the electrically-conductive paste forms the compensating resistor.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: October 27, 1998
    Assignee: Preh-Werke GmbH & Co. KG
    Inventors: Gottfried Berthold, Hans-Michael Schmitt, Anton Ruettiger
  • Rotary potentiometer
    Patent number: 4954804
    Abstract: A rotary potentiometer having a cylindrical or partially cylindrical resistance track and at least one electrode pair arranged at the resistance track's edges which are parallel to the cylinder axis. A tap is fixed to an adjusting component which is rotatable around and movable along the cylinder axis. The axial breadth of the resistance track correspondsd substantially to the stroke of the adjusting component along the cylinder axis. At the circumferential edges of the resistance track, at least one second electrode pair is arranged.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: September 4, 1990
    Assignee: Preh-Werke GmbH & Co. KG
    Inventors: Gottfried Berthold, Rudolf Limpert, Friedhard Fehr
  • Data input board
    Patent number: 4934470
    Abstract: A data input board for the electrical detection of the coordinates of a writing tip includes a rigid plate and an elastic plate with electrically conductive surfaces facing each other at a small distance which contact point by point under the effect of a writing tip. The elastic plate is formed as a stretched, coated sieve tissue in order to avoid the requirement of spacers within the input surface.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: June 19, 1990
    Assignee: Preh-Werke GmbH & Co. KG
    Inventors: Gottfried Berthold, Peter Ambros, Walter Muller