Patents by Inventor Malcolm A. McConachie

Malcolm A. McConachie 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).

  • Two channel looped communication system having rerouting and folded loop capabilities
    Patent number: 4573044
    Abstract: A communication system has a first station (SO) and a plurality of further stations (S1-S4), two communication channels (A, B), for transmission in opposite directions, serially connecting the stations. The first station includes routing means operable in a double looped mode to route signals received on each channel onto the respective other channel and the further stations each including routing means operable in a through mode to forward, in the same channel, signals received on each channel, thereby forming a single folded transmision path. Preferably the further stations each are responsive to the cessation of signalling energy (e.g.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: February 25, 1986
    Assignee: Racal-Milgo Limited
    Inventors: Malcolm A. McConachie, John Rance