JP2545873Y2 - ヘツドホン装置 - Google Patents
ヘツドホン装置Info
- Publication number
- JP2545873Y2 JP2545873Y2 JP949487U JP949487U JP2545873Y2 JP 2545873 Y2 JP2545873 Y2 JP 2545873Y2 JP 949487 U JP949487 U JP 949487U JP 949487 U JP949487 U JP 949487U JP 2545873 Y2 JP2545873 Y2 JP 2545873Y2
- Authority
- JP
- Japan
- Prior art keywords
- center cap
- roll edge
- headphone device
- outer periphery
- cone
- 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
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP949487U JP2545873Y2 (ja) | 1987-01-26 | 1987-01-26 | ヘツドホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP949487U JP2545873Y2 (ja) | 1987-01-26 | 1987-01-26 | ヘツドホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63117195U JPS63117195U (en]) | 1988-07-28 |
JP2545873Y2 true JP2545873Y2 (ja) | 1997-08-27 |
Family
ID=30794862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP949487U Expired - Lifetime JP2545873Y2 (ja) | 1987-01-26 | 1987-01-26 | ヘツドホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2545873Y2 (en]) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5433526B2 (ja) | 2010-08-11 | 2014-03-05 | 株式会社日立製作所 | 電子機器とその製造方法 |
-
1987
- 1987-01-26 JP JP949487U patent/JP2545873Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5433526B2 (ja) | 2010-08-11 | 2014-03-05 | 株式会社日立製作所 | 電子機器とその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS63117195U (en]) | 1988-07-28 |
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