This page displays all 「FI」 in main group H04R23/00. |
HB:Handbook | ||||
CC:Concordance |
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Transducers other than those covered by groups H04R 9/00-H04R 21/00 | HB | CC | 5D021 | |
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.Speaker | HB | CC | 5D021 | |
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.Microphone, e.g. optical fibre type microphone | HB | CC | 5D021 | |
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.Ultrasonic transmitter/receiver | HB | CC | 5D019 | |
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.Phonograph pickup | HB | CC | 5D125 | |
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Photoelectric type cartridge | HB | CC | 5D125 | |
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Others | HB | CC | 5D125 | |
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.Transducers using more than one principle simultaneously | HB | CC | 5D021 | |