Patents by Inventor Friedrich Bahker

Friedrich Bahker 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).

  • Train protection and control system
    Patent number: 4087067
    Abstract: A train safety and control system utilizing at least one transmitter disposed at the railway right-of-way for the transmission of orders necessary for train traffic control and for the wireless exchange of general information between a track control center and trains moving in the associated right-of-way section, with a data processing installation being provided at the track control center for the cyclical determination of orders in the form of dynamic signals, in which the operational availability of the data processing system is monitored at the track control center, whereby at a predetermined operational readiness of the data process system a pilot sound generator is continuously activated, whose signals are conducted over the same transmission path of the transmitter as the orders for the traction vehicles, a switching device being provided in the vehicle responsive in dependence upon the presence of a received pilot sound signal for controlling the conduction of received control orders to responsive con
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: May 2, 1978
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Bahker, Ernst Jurgen Kohler
  • Train protection and control system
    Patent number: 4087066
    Abstract: A train safety and control installation utilizing at least one transmitter disposed at the railway right-of-way for the transmission of orders necessary for train traffic control and for the wireless exchange of general information between a track control center and trains moving in the associated right-of-way section, with a data processing installation being provided at the track control center for the cyclical determination of orders in the form of dynamic signals in which the operational availability of the data processing system is monitored at the track control center, whereby at a predetermined operation readiness of the data processing system a pilot sound generator is continuously activated whose signals are supplied for the traction vehicles, a switching device, provided at the track control centers, having an input for receiving control orders, an input for receiving radio message, and an output for selectively supplying either to the transmitter, and apparatus for selectively actuating said switch
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: May 2, 1978
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Bahker, Ernst Jurgen Kohler