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This page displays all 「FI」 in main group H04R19/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Electrostatic transducers | HB | CC | 5D021 | |
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.Ultrasonic transmitter/receiver | HB | CC | 5D019 | |
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.characterised by the use of electrets [3] | HB | CC | 5D021 | |
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.Loudspeakers (H04R 19/01takes precedence) [3] | HB | CC | 5D021 | |
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.Microphones (H04R 19/01 takes precedence) [3] | HB | CC | 5D021 | |
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.Gramophone pick-ups using a stylus; Recorders using a stylus (H04R 19/01 takes precedence) [3] | HB | CC | 5D125 | |
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..comprising two or more styli or transducers (H04R 19/10 takes precedence) | HB | CC | 5D125 | |
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..signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously | HB | CC | 5D125 | |