JPH0722960Y2 - 電気メガホン - Google Patents
電気メガホンInfo
- Publication number
- JPH0722960Y2 JPH0722960Y2 JP1985193759U JP19375985U JPH0722960Y2 JP H0722960 Y2 JPH0722960 Y2 JP H0722960Y2 JP 1985193759 U JP1985193759 U JP 1985193759U JP 19375985 U JP19375985 U JP 19375985U JP H0722960 Y2 JPH0722960 Y2 JP H0722960Y2
- Authority
- JP
- Japan
- Prior art keywords
- battery case
- groove
- electric megaphone
- horn
- ridge
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Casings For Electric Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985193759U JPH0722960Y2 (ja) | 1985-12-16 | 1985-12-16 | 電気メガホン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985193759U JPH0722960Y2 (ja) | 1985-12-16 | 1985-12-16 | 電気メガホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62100799U JPS62100799U (en]) | 1987-06-26 |
| JPH0722960Y2 true JPH0722960Y2 (ja) | 1995-05-24 |
Family
ID=31150084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985193759U Expired - Lifetime JPH0722960Y2 (ja) | 1985-12-16 | 1985-12-16 | 電気メガホン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722960Y2 (en]) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS451434Y1 (en]) * | 1966-10-17 | 1970-01-21 | ||
| JPS5830400U (ja) * | 1981-08-20 | 1983-02-28 | 松下電器産業株式会社 | 超音波セラミツクマイクロホン |
-
1985
- 1985-12-16 JP JP1985193759U patent/JPH0722960Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62100799U (en]) | 1987-06-26 |