Patents by Inventor Horst Wuenschmann

Horst Wuenschmann 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).

  • Medical thermometer comprising a digital display device for displaying the temperature value of the body temperature
    Patent number: 4199986
    Abstract: An apparatus may be connected to the temperature probe by means of a cable, and houses the display device, the electronic circuit, the voltage source, and the switches. The electronic circuit comprises a voltage multiplier, a control circuit, a supply circuit for supplying a highly constant voltage, a bridge circuit comprising four highly constant resistances, and a thermistor as temperature sensor, a voltage divider circuit for adapting the voltage generated by the bridge circuit, and an integrated circuit providing a 3-1/2 position digital-voltmeter which directly operates the display device.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: April 29, 1980
    Assignee: Siemens Aktiengesellschaft
    Inventors: Michael Ganslmeier, Horst Wuenschmann