Patents Assigned to Lion Technology Limited
  • Measuring apparatus
    Patent number: 5443794
    Abstract: This invention relates to apparatus for measuring the concentration of a volatile component in a gas and in particular, but not exclusively, to breath alcohol testing apparatus.In such apparatus 10, a pressure transducer 15 is provided to detect the ambient pressure during test. This pressure is used to modify the output of a fuel cell 11.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: August 22, 1995
    Assignee: Lion Technology Limited
    Inventor: Paul M. Williams
  • Alcohol or drugs breath detecting devices
    Patent number: 4868545
    Abstract: Apparatus for detecting the presence of alcohol in expired breath in the atmosphere, comprising a gas sampler, a detector for the presence of alcohol in a gas sample, an output indicator or recorder coupled to the detector to provide an output signal when alcohol is detected, and an automatic controller for actuating the sampler and detector in response to a signal from a sensor arranged to be responsive to the presence of a subject to be tested.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: September 19, 1989
    Assignee: Lion Technology Limited
    Inventor: Thomas P. Jones