JPS6410036U - - Google Patents
Info
- Publication number
- JPS6410036U JPS6410036U JP10426787U JP10426787U JPS6410036U JP S6410036 U JPS6410036 U JP S6410036U JP 10426787 U JP10426787 U JP 10426787U JP 10426787 U JP10426787 U JP 10426787U JP S6410036 U JPS6410036 U JP S6410036U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- helmet
- power supply
- ultrasonic transducer
- excitation
- 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.)
- Granted
Links
- 230000005284 excitation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987104267U JPH0437860Y2 (en]) | 1987-07-07 | 1987-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987104267U JPH0437860Y2 (en]) | 1987-07-07 | 1987-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6410036U true JPS6410036U (en]) | 1989-01-19 |
| JPH0437860Y2 JPH0437860Y2 (en]) | 1992-09-04 |
Family
ID=31335833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987104267U Expired JPH0437860Y2 (en]) | 1987-07-07 | 1987-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437860Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH064030U (ja) * | 1992-06-12 | 1994-01-18 | 高砂熱学工業株式会社 | 作業場用ヘルメット |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58136810A (ja) * | 1982-02-04 | 1983-08-15 | 中川 秀一 | ヘルメツト |
| JPS61150827U (en]) * | 1985-03-12 | 1986-09-18 |
-
1987
- 1987-07-07 JP JP1987104267U patent/JPH0437860Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58136810A (ja) * | 1982-02-04 | 1983-08-15 | 中川 秀一 | ヘルメツト |
| JPS61150827U (en]) * | 1985-03-12 | 1986-09-18 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH064030U (ja) * | 1992-06-12 | 1994-01-18 | 高砂熱学工業株式会社 | 作業場用ヘルメット |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0437860Y2 (en]) | 1992-09-04 |