JPH039025Y2 - - Google Patents
Info
- Publication number
- JPH039025Y2 JPH039025Y2 JP1590584U JP1590584U JPH039025Y2 JP H039025 Y2 JPH039025 Y2 JP H039025Y2 JP 1590584 U JP1590584 U JP 1590584U JP 1590584 U JP1590584 U JP 1590584U JP H039025 Y2 JPH039025 Y2 JP H039025Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- case
- signal
- system housing
- detection device
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 25
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1590584U JPS60127578U (ja) | 1984-02-06 | 1984-02-06 | 混雑度検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1590584U JPS60127578U (ja) | 1984-02-06 | 1984-02-06 | 混雑度検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60127578U JPS60127578U (ja) | 1985-08-27 |
| JPH039025Y2 true JPH039025Y2 (en]) | 1991-03-06 |
Family
ID=30502174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1590584U Granted JPS60127578U (ja) | 1984-02-06 | 1984-02-06 | 混雑度検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60127578U (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644045B2 (ja) * | 1986-11-26 | 1994-06-08 | 松下電工株式会社 | 人数検出装置 |
-
1984
- 1984-02-06 JP JP1590584U patent/JPS60127578U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60127578U (ja) | 1985-08-27 |
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