TWM477021U - Photo-sensing piano structure - Google Patents
Photo-sensing piano structureInfo
- Publication number
- TWM477021U TWM477021U TW103200798U TW103200798U TWM477021U TW M477021 U TWM477021 U TW M477021U TW 103200798 U TW103200798 U TW 103200798U TW 103200798 U TW103200798 U TW 103200798U TW M477021 U TWM477021 U TW M477021U
- Authority
- TW
- Taiwan
- Prior art keywords
- photo
- piano structure
- sensing
- sensing piano
- piano
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW103200798U TWM477021U (en) | 2014-01-15 | 2014-01-15 | Photo-sensing piano structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW103200798U TWM477021U (en) | 2014-01-15 | 2014-01-15 | Photo-sensing piano structure |
Publications (1)
Publication Number | Publication Date |
---|---|
TWM477021U true TWM477021U (en) | 2014-04-21 |
Family
ID=60625556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW103200798U TWM477021U (en) | 2014-01-15 | 2014-01-15 | Photo-sensing piano structure |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWM477021U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108053817A (en) * | 2017-10-27 | 2018-05-18 | 北京开心练教育科技有限公司 | A kind of keyboard instrument optical flame detector and signal output method |
-
2014
- 2014-01-15 TW TW103200798U patent/TWM477021U/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108053817A (en) * | 2017-10-27 | 2018-05-18 | 北京开心练教育科技有限公司 | A kind of keyboard instrument optical flame detector and signal output method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK4K | Expiration of patent term of a granted utility model |