1
Joerg Schulz, Gerhard Heilig, Heidrun Richter, Bernd Steegmann, Martin Witte, Gianni Uselli: Capacitive proximity switch. i f m electronic, Huf Huelsbeck & Fuerst & Co KG, David S Safran, April 17, 2007: US07205777 (59 worldwide citation)

A capacitive proximity switch for detecting the change in the capacitance relative to a setpoint capacitance by the approach or retreat of an object in the sensitive area of a proximity switch, especially for use in the door handle of a motor vehicle, provides reliable error detection and error supp ...


2
Ulrich Koelle, Hans Joerg Schulz: Reprogrammable controller containing multiple programs. Robert Bosch, Kenyon & Kenyon, October 20, 1998: US05826205 (19 worldwide citation)

A controller has a microcomputer, an electrically erasable and programmable memory which has a control program (CONTROL), a read only memory and a serial interface. A serial data transmission line can be connected to the serial interface. A program (PROG) for reprogramming the electrically erasable ...


3
Joerg Schulz Hennig, Juergen Rohardt: Method and apparatus for white balancing. Dr Ing Rudolf Hell, Hill Van Santen Steadman & Simpson, March 6, 1990: US04907077 (5 worldwide citation)

Process and apparatus for the white balancing of the opto-electrical converters of the scanning elements in reproducers for the point-by-point and line-by-line scanning of black and white documents and color documents. The light from the illuminant of the documents being scanned is converted in the ...


4
Joerg Schulz, Markus von Ehr, Werner Hoch: Circuit arrangement for detecting the capacitance or change of capacitance of a capacitive circuit element or of a component. i f m electronic, David S Safran, Roberts Mlotkowski Safran & Cole P C, January 26, 2010: US07652487 (5 worldwide citation)

A circuit arrangement is described for detecting the capacitance or change of capacitance of a capacitive circuit element or of a component, specifically of a sensor capacitor (1), with a control unit (2) ,with a monostable multivibrator (3) triggered by the control unit (2), and with an evaluation ...


5
Joerg Schulz Hennig, Horst Sievers: Method and apparatus for acoustic supervision of adjustment operations at optical devices. Dr Ing Rudolf Hell, Hill Van Santen Steadman & Simpson, September 15, 1987: US04694150 (4 worldwide citation)

A method and apparatus for acoustic supervision of adjustment of a light bundle with respect to its intensity distribution in a reference plane which is at right angles to the optical axis of the light bundle. The reference plane is subdivided into surface elements. The intensity values correspondin ...


6
Joerg Schulz Hennig, Horst Sievers: Method and apparatus for acoustic supervision of adjustment operations at optical devices. Ing Rudolf Hell, Hill Van Santen Steadman & Simpson, November 17, 1987: US04707597 (3 worldwide citation)

The present invention relates to a method and to an apparatus for acoustic supervision of the adjustment of a light bundle with respect to position and/or direction. A measuring surface lying in the beam path of the light bundle is divided into sectors. Apexes of centering angles of the sectors defi ...


7
Jaromir Palata, Joerg Schulz: Circuit arrangement for detecting the capacitance or capacitance change of a capacitive circuit element or component. i f m electronic, Nixon Peabody, David S Safran, March 8, 2005: US06864691 (1 worldwide citation)

A circuit arrangement for detecting the capacitance or capacitance change of a capacitive circuit element or component, in which there is a capacitive noise voltage compensation element, which corresponds to the sensor capacitor, represented as a noise voltage compensation capacitor, and a noise vol ...


8
Joerg Schulz Hennig, Horst Sievers: Method and apparatus for acoustic supervision of adjustment operations at optical devices. Dr Ing Rudolf Hell, Hill Van Santen Steadman & Simpson, September 15, 1987: US04694152

A method and apparatus for acoustic supervision of adjustment of a light bundle composed of component beams with respect to its intensity distribution in an expanse of a reference plane situated in a beam path at right angles to an optical axis of the light bundle. Intensity values I of the componen ...


9
Joerg Schulz, Gerhard Heilig, Heidrun Richter, Bernd Steegmann, Martin Witte, Gianni Uselli: Capacitive proximity switch. i f m Electronic, Huf Huelsbeck and Fuerst and Co KG, Nixon Peabody, March 31, 2005: US20050068712-A1

A capacitive proximity switch for detecting the change in the capacitance relative to a setpoint capacitance by the approach or retreat of an object in the sensitive area of a proximity switch, especially for use in the door handle of a motor vehicle, provides reliable error detection and error supp ...


10
Joerg Schulz, Markus Von Ehr, Werner Hoch: Circuit arrangement for detecting the capacitance or change of capacitance of a capacitive circuit element or of a component. I F M Electronic, Roberts Mlotkowski & Hobbes, January 17, 2008: US20080012581-A1

Circuit arrangement for detecting the capacitance or capacitance change of a capacitive circuit element, has a control unit, a monostable multivibrator triggered by the control unit, and an evaluation unit. The monostable multivibrator has an input connected to the control unit, a second input conne ...



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