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The lock is typically engaged via a small switch on the edge of the door that is only accessible when the door is open. Some cars [4] implement the child lock control as a rotary mechanism which can only be operated with a key. This design ensures the child lock remains in position, preventing passengers from changing the lock position when the ...
The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbeuel and patented in 1919. [2] They developed a 3x3 grid of double-contact switches on a panel mounted inside the car so when the ignition switch was activated, current from the battery (or magneto) went to the spark plugs allowing the engine to start, or immobilizing the vehicle and sounding the horn. [3]
A shunt charge controller or shunt regulator diverts excess electricity to an auxiliary or "shunt" load, such as an electric water heater, when batteries are full. [7] Simple charge controllers stop charging a battery when they exceed a set high voltage level, and re-enable charging when battery voltage drops back below that level.
A 20-month year old girl in Arizona was recently locked inside a Tesla Model Y after the car's battery died, creating a “life threatening situation” in which firefighters had to break open the ...
The child-resistant locking closure for containers was invented in 1967 by Dr. Henri Breault. [7]A history of accidents involving children opening household packaging and ingesting the contents led the United States Congress to pass the Poison Prevention Packaging Act of 1970, authored by U.S. Senator Frank E. Moss of Utah.
As new high-tech gadgets and toys hit shelves this year for holiday shopping, consumers should be aware of the safety risks of products with lithium-ion batteries and how to properly store and ...
The actual voltage, matching the car battery's voltage, will be approximately 12.5 volts when dormant (less in cold conditions), approximately 14.5 volts when the engine and the alternator/generator are operating (more when cold), and may briefly drop as low as 5–6 volts during engine start due to the high temporary battery current usage. [12]
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