JPS5223321A - Drum - Google Patents
DrumInfo
- Publication number
- JPS5223321A JPS5223321A JP50099289A JP9928975A JPS5223321A JP S5223321 A JPS5223321 A JP S5223321A JP 50099289 A JP50099289 A JP 50099289A JP 9928975 A JP9928975 A JP 9928975A JP S5223321 A JPS5223321 A JP S5223321A
- Authority
- JP
- Japan
- Prior art keywords
- drum
- amplify
- improve directivity
- sound
- sound output
- 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.)
- Pending
Links
Abstract
PURPOSE:Improve directivity of sound generated by a drum and amplify sound output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099289A JPS5223321A (en) | 1975-08-15 | 1975-08-15 | Drum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099289A JPS5223321A (en) | 1975-08-15 | 1975-08-15 | Drum |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5223321A true JPS5223321A (en) | 1977-02-22 |
Family
ID=14243475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50099289A Pending JPS5223321A (en) | 1975-08-15 | 1975-08-15 | Drum |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5223321A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202944A (en) * | 1982-05-21 | 1983-11-26 | Kawasaki Heavy Ind Ltd | Production of metallic mold |
-
1975
- 1975-08-15 JP JP50099289A patent/JPS5223321A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202944A (en) * | 1982-05-21 | 1983-11-26 | Kawasaki Heavy Ind Ltd | Production of metallic mold |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 11 Free format text: PAYMENT UNTIL: 20090410 |
|
EXPY | Cancellation because of completion of term |