Patents Assigned to Delmatic Limited
  • Lighting control system
    Patent number: 4508997
    Abstract: Lights (LP) are controlled by a control unit (CU) which, in response to a remotely and/or automatically generated signal (MASTER OFF), interrupts the lighting temporarily (preferably by repeatedly flashing them on and off) to provide a warning and switches off the lighting after a delay period unless inhibited by a local switch (S1).
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: April 2, 1985
    Assignee: Delmatic Limited
    Inventor: John P. Woodnutt