Ramsey Electronics Laser Beam Communicator, Руководство пользователя

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LASER BEAM
COMMUNICATOR
Ramsey Electronics Model No. LBC6K
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Uses a standard pen-laser diode to transmit voice and sound over
several hundred feet through the air, and several miles with good
optical fiber.
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Uses a pulse-width modulator running at 20kHz for good audio
reproduction.
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Built-in AGC for sensitivity to low level sounds and good
transmission of high level sounds without distortion.
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Pen laser included! Use even better laser modules for farther
transmission.
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A lot of fun to transmit to your friend’s house through the window!
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Powered by any 9 - 12 VDC source.
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Complete and informative instructions guide you to a kit that works
the first time, every time.
Have you ever wanted to communicate in a new and interesting
way? Forget stringing wires and tin cans between your house
and your neighbor’s! Now you can send messages on a beam
of light! Pretend you’re on one of those space adventure shows
we’ve all watched on TV. Laser beam communication for the
new millenium!