Access control devices of the electromagnetic lock module type
US10465421B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2018 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Sep 13, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8973
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.