JPS5223321A - Drum - Google Patents

Drum

Info

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
Application number
JP50099289A
Other languages
Japanese (ja)
Inventor
Makoto Kurosaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP50099289A priority Critical patent/JPS5223321A/en
Publication of JPS5223321A publication Critical patent/JPS5223321A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:Improve directivity of sound generated by a drum and amplify sound output.
JP50099289A 1975-08-15 1975-08-15 Drum Pending JPS5223321A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202944A (en) * 1982-05-21 1983-11-26 Kawasaki Heavy Ind Ltd Production of metallic mold

Cited By (1)

* Cited by examiner, † Cited by third party
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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