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2. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   An improved "shear" electromagnetic lock was patented on May 2, 1989, by Arthur, Richard and David Geringer of Security Door Controls, an access control hardware manufacturing firm. The device outlined in their designs was the same in principle as the modern magnetic lock consisting of an electromagnet and an armature plate.

3. Category:Locks (security device) - Wikipedia

   en.wikipedia.org/wiki/Category:Locks_(security...

   For articles about locks used to raise and lower ships and boats, see Category:Locks (water navigation) The main article for this category is Lock (security device) . Wikimedia Commons has media related to Locks (security devices) .

4. Door security - Wikipedia

   en.wikipedia.org/wiki/Door_security

   A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions.

5. Smart lock - Wikipedia

   en.wikipedia.org/wiki/Smart_lock

   A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...

6. Padlock - Wikipedia

   en.wikipedia.org/wiki/Padlock

   A significantly stronger lock than the smokehouse and much more resistant to corrosion than the Scandinavian, the hearts had a lock body sand cast from brass or bronze and a more secure lever mechanism. Heart locks had two prominent characteristics: one was a spring-loaded cover that pivoted over the keyhole to keep dirt and insects out of the ...

7. The best time of year to buy everything in 2024 - AOL

   www.aol.com/finance/best-time-buy-everything...

   Home improvement. Grills. Home security cameras. Patio furniture. Indoor furniture. $6.5 billion at furniture stores. Personal/school items. Back-to-school supplies. Dormitory furniture and ...