answersLogoWhite

0

Light gates are simple optical circuits that have an opening between an emitter and receiver. If the path between the two is interrupted, a signal is sent to a computer or other data recorder. Some gates work in continuous mode, meaning the signal is different when the light is blocked, for example high or low voltage. Others work in pulsed mode, which responds by giving a pulse whenever the 'state' of on or off changes. And a third kind send a signal continuously while the path is open, and simply stop the signal when the path is broken.

These gates are typically used for timing and detection. Many automatic garage doors use a light gate to detect whether the door will come down on something (or someone!).

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

What does the light mean on a Jeep Liberty gate?

The light on a Jeep Liberty gate typically indicates that the rear liftgate is either open or not fully closed. This warning light serves as a reminder for the driver to ensure the gate is securely shut before driving. If the light remains illuminated despite the gate being closed, it may signal an issue with the gate's latch or sensor that may require inspection.


How could you use a light gate to work out the speed of an object one point in time?

To calculate the speed of an object using a light gate, you would measure the time it takes for the object to pass through the gate. By dividing the distance between the light gate and the point where the object is launched by the time taken, you can determine the speed of the object at that point in time.


What does it mean when the gate light is flashing on a 2003 jeep liberty?

The simplest thing is to check and make sure the gate is closed.


How do you replace the brake light in a 2001 F150 with a bed liner?

lower the tail gate and look in tail gate jam. bolts are where the cables that hold tail gate are anchored


Why is the 93 Chevy Caprice wagon gate ajar light on?

Rear gate or door not closed all the way. Slam it shut.


What does light gate measure?

A light gate measures the time it takes for an object to interrupt a beam of light, typically emitted by a light source such as a laser or LED. This interruption can be used to calculate the speed or velocity of the object as it passes through the light gate. Light gates are commonly used in physics experiments to study motion, measure time intervals, and analyze the dynamics of moving objects. They provide precise and reliable measurements for various educational and research applications.


On resident evil zero for the gamecube when you have to light up the weak spirited animals which ones do you light up to get through the gate and the gate says rekindle the flames of life from the spi?

it means to brun and melt them by GC


How do you take off rear light cover off a 90 Chevy?

Open the tail gate. Then look at the inside of the truck where the tail gate cables are and you will see 2 small screews, Remove them and the light will come out of the truck body.


How do you remove 2006 Ford F250 tail light?

lower tail gate and it should be two 8mm bolts then pull light out


What is the small small red light next to the Tail Gate Opener button on a 1995 Isuzu Rodeo?

IT'S THE ALARM LIGHT.


Should you use a stopwatch or light gate?

A stopwatch is more versatile as it can be used in a variety of situations, while a light gate is more specific and limited to measuring the time it takes for an object to pass through a light beam. The choice between the two depends on the specific requirements of your experiment or measurement.


How do I access my brake lights on my 1998 Chevy S-10?

Drop the tail gate and look on the inside of the bed where the tail gate straps hook to just behind the tail light. You will see 2 small screews that hold the light in place. Remove them.