Patents by Inventor Mark R. Walther

Mark R. Walther 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).

  • System and method for modifying security in a security system
    Patent number: 5461372
    Abstract: A system and method for modifying security levels within a security system. External modifications are allowed only if the security of a point is increased.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: October 24, 1995
    Assignee: Honeywell Inc.
    Inventors: Steven J. Busak, Allen F. V. Buskirk, Mark R. Walther
  • Security system having mode control of sensor points
    Patent number: 5225806
    Abstract: A security system in which sensors are included in one or more groups which are stored in the system. Groups of sensors are selectably actuable by a user entering mode information into the system so that only the selected group(s) will provide indication of an alarm condition when a sensor indicates an alarm event has occurred.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: July 6, 1993
    Assignee: Honeywell Inc.
    Inventors: Annette M. Stanley-Arslanok, Ronald B. Gregory, Mark R. Walther, Chih-Shien S. Wung