Central array of light-emitting diodes displays status of 30 video cassette recorders (VCR's) monitoring integrated testing of Space Shuttle. Remote status panel linked to VCR's by one 37-conductor cable. Transistor/ transistor logic chips in interface circuit allow LED array to function without drawing power from VCR control circuits.
Status Panel For Video Cassette Recorders
NASA Tech Briefs ; 8 , 2
1984-11-01
Sonstige
Keine Angabe
Englisch
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