27_MC_REMOTE_EVENT_TRANSMITTER

Published:2009/7/21 7:41:00 Author:Jessie | From:SeekIC

Gives 400-cps modulation for pulse at input A,1,400 cps for pulse at B, and 800-cps check pulses every 2 sec, for transmitting bird nigh! data to remote recorder.-P. A. Tove and J. Czekaiewski, Infrared Curtain System Detects and Counts Moving Objects, Electronics, 34:31, p 40-43.



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