JPH0350298U - - Google Patents
Info
- Publication number
- JPH0350298U JPH0350298U JP10733789U JP10733789U JPH0350298U JP H0350298 U JPH0350298 U JP H0350298U JP 10733789 U JP10733789 U JP 10733789U JP 10733789 U JP10733789 U JP 10733789U JP H0350298 U JPH0350298 U JP H0350298U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- receiving element
- desk
- alarm
- brightness
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10733789U JPH0350298U (de) | 1989-09-13 | 1989-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10733789U JPH0350298U (de) | 1989-09-13 | 1989-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0350298U true JPH0350298U (de) | 1991-05-16 |
Family
ID=31656029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10733789U Pending JPH0350298U (de) | 1989-09-13 | 1989-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350298U (de) |
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1989
- 1989-09-13 JP JP10733789U patent/JPH0350298U/ja active Pending