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This page displays all 「FI」 in main group H04R3/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Circuits for transducers (arrangements for producing a reverberation or echo sound G10K 15/08; amplifiers H03F) | HB | CC | 5D220 | |
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.Protection circuit | HB | CC | 5D220 | |
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protecting the speaker from the DC voltage that appears on the output end of an OCL amplifier | HB | CC | 5D220 | |
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Others | HB | CC | 5D220 | |
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.Speaker | HB | CC | 5D220 | |
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.Microphone | HB | CC | 5D220 | |
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.Ultrasonic transmitter/receiver | HB | CC | 5D019 | |
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.Phonograph pickup | HB | CC | 5D125 | |
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.for preventing acoustic reaction | HB | CC | 5D220 | |
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.for correcting frequency response | HB | CC | 5D220 | |
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..using a negative feedback, e.g. motional feedback | HB | CC | 5D220 | |
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..Moving coil type converter, piezoelectric converter, or other converters | HB | CC | 5D220 | |
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..of electrostatic transducers | HB | CC | 5D220 | |
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..of electromagnetic transducers | HB | CC | 5D220 | |
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..of variable-resistance microphones | HB | CC | 5D220 | |
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.for distributing signals to two or more loudspeakers | HB | CC | 5D220 | |
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For change-over between at least two speakers | HB | CC | 5D220 | |
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Others | HB | CC | 5D220 | |
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..Cross-over networks | HB | CC | 5D220 | |