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2. Electronic lock - Wikipedia

   en.wikipedia.org/wiki/Electronic_lock

   Electric locks use magnets, solenoids, or motors to actuate the lock by either supplying or removing power.Operating the lock can be as simple as using a switch, for example an apartment intercom door release, or as complex as a biometric based access control system.

3. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.

4. Solenoid bolt - Wikipedia

   en.wikipedia.org/wiki/Solenoid_bolt

   A solenoid bolt is a type of electronic-mechanical locking mechanism. This type of lock is characterized by the use of a solenoid to throw the bolt. [ 1 ] Sophisticated solenoid bolt locks may use microprocessors to perform voltage regulation , reduce power consumption, and/or provide access control .

5. List of auto parts - Wikipedia

   en.wikipedia.org/wiki/List_of_auto_parts

   Door lock and power door locks; Central-locking; Fuel tank (or fuel filler) door; Windows. ... Starter solenoid; Glowplug; Electrical switches. Battery; Door switch;

6. Trapped-key interlocking - Wikipedia

   en.wikipedia.org/wiki/Trapped-key_interlocking

   This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...

7. Power door locks - Wikipedia

   en.wikipedia.org/wiki/Power_door_locks

   Pressing a button on the key unlocks all of the car doors. Another button locks the car. In 1980, Ford Motor Company introduced an external keypad-type keyless entry system, wherein the driver entered a numeric combination —either pre-programmed at the factory or one programmed by the owner— to unlock the car without the key.