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Old 10-21-2008, 06:15 AM #1
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Default Laser barcode readers: liquid sky mini TEC lenses

While waiting for the new set of FlexDrives to come in, I recently stopped by an industrial surplus sale and picked up some of these little 'Lazerdata 9000e' industrial super high speed barcode scanners. *They are intended for inventory and assembly tracking on an automated assembly line and would you believe back in '97 they retailed for $3000 each. *They can read much more than UPC label codes, see the manual for more info.
I tested out each one and it's reading barcodes and sending them to the rs232 port.

Inside is a gold plated hexagonal spinning mirror that could be used for 'liquid sky' effects or other experiements you can come up with. *Its speed can be adjusted via a pot on the PCB. *There is a tiny little TEC that cools a 9mm laser diode and mount which is electrically isolated with nylon screws. *The laser is collimated with a multi-element coated glass lens of high quality. *Also there is a spherical lens of very high numerical aperture that is focused through a removeable IR filter onto a high speed photodiode sensor.

On the control side there are many FET op amps and some high speed op amps including a 150MHz amp (for the photodiode sensor.) *There is a data processing logic control board which hosts a hitachi HD647180x microcontroller fed by 2Mb AM28f020 flash ROM. *Also a 1Mb fifo buffer, tms320C31 DSP, and a XC3130a FPGA, along with RAM (they were really serious about high speed scanning).

Power requirements are +/- 12V, 5V And can be fed into the unit via a VGA cable.
It's all housed in a red anodized aluminum case with AR coated window.

Here are some pics







asking $35 each + shipping


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Old 10-21-2008, 07:01 AM #2
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Default Re: Laser barcode readers: liquid sky mini TEC len

Any pics/vids of these guys in action?
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Old 10-21-2008, 10:00 AM #3
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Default Re: Laser barcode readers: liquid sky mini TEC len

Lava,
That hard to pass up, but I've overdrawn my workload.

A bug zapper project come to mind because of the gold IR scanning mirror.

When CPU aquires a proper feed-back then switch on a 5w diode pulse. Vaporize!
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Old 10-21-2008, 11:06 AM #4
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Default Re: Laser barcode readers: liquid sky mini TEC len

What wavelength is the Laser in your Laser barcode reader units.. :-?
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Old 10-22-2008, 03:21 PM #5
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Default Re: Laser barcode readers: liquid sky mini TEC len

The wavelength is about 650nm red, <10mW. You can replace it with a high powered 5.6mm red and meredith 9mm-5.6mm adapter.

Price drop.. $30!
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Old 10-22-2008, 03:31 PM #6
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Default Re: Laser barcode readers: liquid sky mini TEC len

Could you post some pictures of the effect?
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Old 10-22-2008, 04:34 PM #7
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Default Re: Laser barcode readers: liquid sky mini TEC len

looks quite promising, i would like to see more of this unit.

It looks like a good housing for a labby.
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Old 11-18-2008, 07:56 PM #8
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Default Re: Laser barcode readers: liquid sky mini TEC len

Hey drlava... I received the Bar Code Reader today.... Thanks..[smiley=thumbsup.gif]

Jerry
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