JP4415165B2 - 潜水夫用インターホン - Google Patents

潜水夫用インターホン Download PDF

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Publication number
JP4415165B2
JP4415165B2 JP2000316095A JP2000316095A JP4415165B2 JP 4415165 B2 JP4415165 B2 JP 4415165B2 JP 2000316095 A JP2000316095 A JP 2000316095A JP 2000316095 A JP2000316095 A JP 2000316095A JP 4415165 B2 JP4415165 B2 JP 4415165B2
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Japan
Prior art keywords
frequency
microphone
amplifier
speaker
diver
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Expired - Fee Related
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JP2000316095A
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Japanese (ja)
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JP2002125289A (ja
JP2002125289A5 (enrdf_load_stackoverflow
Inventor
久文 坂ノ上
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株式会社ノボル電機製作所
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Priority to JP2000316095A priority Critical patent/JP4415165B2/ja
Publication of JP2002125289A publication Critical patent/JP2002125289A/ja
Publication of JP2002125289A5 publication Critical patent/JP2002125289A5/ja
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Publication of JP4415165B2 publication Critical patent/JP4415165B2/ja
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  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2000316095A 2000-10-17 2000-10-17 潜水夫用インターホン Expired - Fee Related JP4415165B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000316095A JP4415165B2 (ja) 2000-10-17 2000-10-17 潜水夫用インターホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000316095A JP4415165B2 (ja) 2000-10-17 2000-10-17 潜水夫用インターホン

Publications (3)

Publication Number Publication Date
JP2002125289A JP2002125289A (ja) 2002-04-26
JP2002125289A5 JP2002125289A5 (enrdf_load_stackoverflow) 2007-11-29
JP4415165B2 true JP4415165B2 (ja) 2010-02-17

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ID=18795090

Family Applications (1)

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JP2000316095A Expired - Fee Related JP4415165B2 (ja) 2000-10-17 2000-10-17 潜水夫用インターホン

Country Status (1)

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JP (1) JP4415165B2 (enrdf_load_stackoverflow)

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Publication number Publication date
JP2002125289A (ja) 2002-04-26

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