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US 11,587,385 B2Granted
Security revolving door assembly
AssigneeIrd Group, Inc.
InventorsJim Kratochvil, Joshua Kratochvil, Matthew Hartig
Life of this patent
Estimating the term…
Abstract
A security revolving door assembly including a revolving door, a controlling unit and a LIDAR sensor. The LIDAR sensor is appropriately disposed in the top or canopy of the revolving door and advantageously directed downwardly into the passage space of the revolving door. In particular, a first LIDAR sensor is centrally disposed in a first quadrant of the canopy, and a second LIDAR sensor is centrally disposed in a third quadrant of the canopy.
Claims10
A security revolving door assembly comprising:
- a revolving door having a vertical rotary shaft extending upward from a base surface, a pair of opposing vertical lateral walls, each spaced a distance from the rotary shaft thereby defining an exterior opening and an interior opening, a plurality of door wings, each extending laterally from the rotary shaft the distance to the vertical walls and each of said plurality of doors being space equidistant from adjacent ones of the plurality of door wings;
- a sensor positioned proximate to a trap space defined by two adjacent door wings and one of said lateral walls, said sensor including means for detecting the presence and shape of objects in said trap space;
- a control unit electrically coupled to said sensor, said control unit including means for reading data from said sensor and determining the presence of a hazard;
- and
- action means electrically coupled to said control unit for triggering a response to the presence of a hazard.
2 more elements
Dependencies are inferred from the claim text.