JPH0382451U - - Google Patents
Info
- Publication number
- JPH0382451U JPH0382451U JP14062389U JP14062389U JPH0382451U JP H0382451 U JPH0382451 U JP H0382451U JP 14062389 U JP14062389 U JP 14062389U JP 14062389 U JP14062389 U JP 14062389U JP H0382451 U JPH0382451 U JP H0382451U
- Authority
- JP
- Japan
- Prior art keywords
- section
- infrared light
- oscillation
- control section
- headphone
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Indicating Measured Values (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Headphones And Earphones (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14062389U JPH0382451U (https=) | 1989-12-06 | 1989-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14062389U JPH0382451U (https=) | 1989-12-06 | 1989-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382451U true JPH0382451U (https=) | 1991-08-22 |
Family
ID=31687578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14062389U Pending JPH0382451U (https=) | 1989-12-06 | 1989-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382451U (https=) |
-
1989
- 1989-12-06 JP JP14062389U patent/JPH0382451U/ja active Pending