A voice operated relay / Nor Hasnah Hassan
Voice operated relay is actually a device allows virtually hand-free operation of the radio. It sampled the sound from a microphone and switched a relay when the level of the microphone exceed the preset level. The relay is held on as long as the sound level stays above the threshold and when the mi...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English |
| Published: |
1985
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| Online Access: | https://ir.uitm.edu.my/id/eprint/71045/1/71045.PDF https://ir.uitm.edu.my/id/eprint/71045/ |
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