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In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s.
The basic system uses door logic. [2] If a rear door is opened and closed and the vehicle is turned on, a dashboard alert will activate when the vehicle is then turned off and the driver begins to exit the vehicle. [3] An enhanced system, called Ultrasonic Rear Occupant Alert, also uses ultrasonic sensors. [2]
A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
Inasmuch as "programming" fobs is a proprietary technical process, it is typically performed by the automobile manufacturer. In general, the procedure is to put the car computer in 'programming mode'. This usually entails engaging the power in the car several times while holding a button or lever. It may also include opening doors, or removing ...
The best list of automatic doors that work well and are going to keep your hens safe, including weatherproof, predator proof, battery operated or solar powered.
During the 1990s the Subaru Legacy could also be opened by pulling the drivers external door handle a specific number of times to enter a passcode number that would unlock the driver's door only. Today, many cars with power door locks also have a radio frequency remote keyless system, which allows a person to press a button on a remote control ...
An example of the inductance loop installed in the road for cars and bikes Schematic of such a detector See also: Traffic count Vehicle detection loops, called inductive-loop traffic detectors , can detect vehicles passing or arriving at a certain point, for instance approaching a traffic light or in motorway traffic.
The blind spot monitor or blind-spot monitoring is a vehicle-based sensor device that detects other vehicles located to the driver’s side and rear. Warnings can be visual, audible, vibrating, or tactile. [1] [2] Blind spot monitors may do more than monitor the sides and rear of the vehicle. They may also include "Rear Cross-Traffic Alert ...