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Laser square projector Answered

I work in a manufacturing facility and we've got a lot of forklifts that are buzzing around everywhere all the time. there's an initiative to make it safer for forklifts to interact with pedestrians. one of the ideas someone had came from another facility where they have these blue spot lights on top of the truck that project a blue dot in front of and behind the truck. you see the blue dot and you know a truck is coming. there's some concern that this might get missed by a pedestrian. a thought came to me, being a nerd, that we could use something maybe a little easier to see. I looked in to some disco type laser displays that you can display custom graphics with, but there's concern about how sturdy they are or how long you'd actually be able to use one (whatever it is would basically have to be on almost 24/7). we've got several Motorola barcode scanners, and the long range models (mc 9190) have a feature where it projects a red square to show the area where the scanning will take place. it's a solid red square, not just a perimeter, that scales up with distance (it's like 4"x4" if you're within 2' and goes up to a pretty large size the farther out you're pointing it). These scan guns are way more expensive than this project calls for of course. Does anyone know of a source for JUST the imagers for these things? or could anyone suggest a way to replicate the effect...a big red square on the floor, with other equipment. needs to be able to run for a long time, hopefully could be powered by a 24-36v DC source, possibly motion detection (though not really necessary)

Tags:laser

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Toga_Dan

4 years ago

A spinning mirror (or cylinder with several mirrors) will produce a line from a laser. There are optical devices that produce a line with no moving parts.

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crapflingerToga_Dan

Reply 4 years ago

I'm more looking for a solid colored square/rectangle of light on the floor...also doesn't explicitly have to be laser based.

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Toga_Dancrapflinger

Reply 4 years ago

An elipsoidal light in theater lighting can be used with a gobo to project paterns onstage. Maybe google-- elipsoidal light diagram- for an idea how they work.