JPH0454182Y2 - - Google Patents
Info
- Publication number
- JPH0454182Y2 JPH0454182Y2 JP1987029045U JP2904587U JPH0454182Y2 JP H0454182 Y2 JPH0454182 Y2 JP H0454182Y2 JP 1987029045 U JP1987029045 U JP 1987029045U JP 2904587 U JP2904587 U JP 2904587U JP H0454182 Y2 JPH0454182 Y2 JP H0454182Y2
- Authority
- JP
- Japan
- Prior art keywords
- voice
- helmet
- radio
- code
- radio device
- 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
Links
- 238000000034 method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 17
- 238000010276 construction Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987029045U JPH0454182Y2 (fr) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987029045U JPH0454182Y2 (fr) | 1987-02-27 | 1987-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63135925U JPS63135925U (fr) | 1988-09-07 |
JPH0454182Y2 true JPH0454182Y2 (fr) | 1992-12-18 |
Family
ID=30832573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987029045U Expired JPH0454182Y2 (fr) | 1987-02-27 | 1987-02-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0454182Y2 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61288525A (ja) * | 1985-06-15 | 1986-12-18 | Sanshin Ind Co Ltd | ヘルメツトに組み込まれた無線通信装置 |
-
1987
- 1987-02-27 JP JP1987029045U patent/JPH0454182Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61288525A (ja) * | 1985-06-15 | 1986-12-18 | Sanshin Ind Co Ltd | ヘルメツトに組み込まれた無線通信装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS63135925U (fr) | 1988-09-07 |
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