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Keycard systems operate by physically moving detainers in the locking mechanism with the insertion of the card, by shining LEDs through a pattern of holes in the card and detecting the result, by swiping or inserting a magnetic stripe card, or in the case of RFID or NFC cards, merely being brought into close proximity to a sensor.
In 2024, CDRH launched the groundbreaking Home as a Healthcare Hub [27] initiative to reimagine healthcare delivery and facilitate the adoption of devices that will establish the home as an integral part of the healthcare system. CDRH is co-creating a prototype home model with an architectural firm, patient groups, healthcare providers, and the ...
While facing the door from the outside or less secure side, if the hinge is on the right side of the door, the door is "right handed"; or if the hinge is on the left, it is "left handed". If the door swings toward you, it is "reverse swing"; or if the door swings away from you, it is "normal swing". In other words: In the United States:
The knuckles of the two plates are offset from each other and mesh together. A hinge pin is then placed through the two sets of knuckles and usually fixed, to combine the plates and make the hinge a single unit. [2] One door usually has about three hinges, but it can vary.
A passive proximity card for door access. A proximity card controlled turnstile A passive proximity card with the plastic casing opened to show components: antenna coil and integrated circuit (black object bottom center) Anatomy of proximity card: coil and IC The proximity card coil of an electronic fare collection system
The dihedral synchro-helix actuation door system is a type of door with a hinge mechanism which allows the doors to rotate 90° by sweeping outwards and upwards at the hinge. [1] It was designed and developed by Christian von Koenigsegg on behalf of high-performance sports cars manufacturer, Koenigsegg Automotive AB . [ 2 ]
The original 125-kilohertz and 400-kilohertz proximity technology had been pioneered by Destron/IDI (formerly Identification Devices Inc.), in Boulder, Colorado, and used primarily for Animal Identification and Proximity Access Control, and to a lesser degree in Manufacturing Processes, Tyre tracking and a few other Asset Identification ...
Some jurisdictions require them to be flanked by at least one hinged door either by common practice or required by law. For example, the Ontario Building Code 3.4.6.14. asserts that revolving doors needs to "(a) be collapsible, (b) have hinged doors providing equivalent exiting capacity located adjacent to it". [6]