Patents Assigned to Magal Security Systems, Limited
  • Security fence system
    Patent number: 4829286
    Abstract: A taut wire protective fence system, including a plurality of taut wires and a sensor, the sensor including apparatus for bending of an optical fiber in response to displacement of a taut wire, thereby producing sensible attenuation of light passing through the optical fiber.
    Type: Grant
    Filed: May 7, 1987
    Date of Patent: May 9, 1989
    Assignee: Magal Security Systems, Limited
    Inventor: Dank Zvi
  • Security fence
    Patent number: 4777476
    Abstract: A security fence including a multiplicity of rigid bar elements disposed in a fence configuration, an optical fiber extending through at least some of the hollow rigid bar elements and apparatus for providing predetermined bending of the optical fiber in response to bending of at least some of the rigid bar elements by at least a given amount.
    Type: Grant
    Filed: May 7, 1987
    Date of Patent: October 11, 1988
    Assignee: Magal Security Systems, Limited
    Inventor: Zvi Dank