Patents Assigned to Acbond Limited
  • Communication apparatus and method
    Patent number: 8134458
    Abstract: A communication apparatus (1) for communicating over an electrical power cable (3). The communication apparatus (1) comprises a transmitter circuit (5) adapted to transmit a communication signal; and a receiver circuit (6) adapted to receive a communication signal from another communication apparatus (1). The communication apparatus (1) is adapted to transmit and receive communication signals over the power cable (3) both when said power cable (3) is conducting electricity and when said power cable (3) is not conducting electricity.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: March 13, 2012
    Assignee: Acbond Limited
    Inventor: David Lund
  • COMMUNICATION APPARATUS AND METHOD
    Publication number: 20090284356
    Abstract: A communication apparatus (1) for communicating over an electrical power cable (3). The communication apparatus (1) comprises a transmitter circuit (5) adapted to transmit a communication signal; and a receiver circuit (6) adapted to receive a communication signal from another communication apparatus (1). The communication apparatus (1) is adapted to transmit and receive communication signals over the power cable (3) both when said power cable (3) is conducting electricity and when said power cable (3) is not conducting electricity.
    Type: Application
    Filed: May 25, 2007
    Publication date: November 19, 2009
    Applicant: ACBOND LIMITED
    Inventor: David Lund
  • Smoke detectors
    Patent number: 7109874
    Abstract: A smoke detector unit (20) comprising a housing containing a smoke detector (24) and at least two component mounting boards, such as printed circuit boards, in a stacked arrangement, the housing having at least one air gap (34), wherein one of the boards (36) is inverted with respect to the other and the detector is positioned on the lower board whereby, in use, the detector extends upwardly between the boards. The housing may be in the form of a ceiling rose.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: September 19, 2006
    Assignee: Acbond Limited
    Inventor: David James Pilkington
  • Combined ceiling rose, emergency light, alarm and detector
    Patent number: D476769
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: July 1, 2003
    Assignee: Acbond Limited
    Inventor: David James Pilkington