JP4415165B2 - 潜水夫用インターホン - Google Patents
潜水夫用インターホン Download PDFInfo
- 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
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- microphone
- amplifier
- speaker
- diver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 2
- 230000002238 attenuated effect Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009189 diving Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Landscapes
- Circuit For Audible Band Transducer (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
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 (enExample) | 2007-11-29 |
| JP4415165B2 true JP4415165B2 (ja) | 2010-02-17 |
Family
ID=18795090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| JP (1) | JP4415165B2 (enExample) |
-
2000
- 2000-10-17 JP JP2000316095A patent/JP4415165B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002125289A (ja) | 2002-04-26 |
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