JPH059755B2 - - Google Patents
Info
- Publication number
- JPH059755B2 JPH059755B2 JP57192763A JP19276382A JPH059755B2 JP H059755 B2 JPH059755 B2 JP H059755B2 JP 57192763 A JP57192763 A JP 57192763A JP 19276382 A JP19276382 A JP 19276382A JP H059755 B2 JPH059755 B2 JP H059755B2
- Authority
- JP
- Japan
- Prior art keywords
- view
- circuit
- field
- signal
- infrared
- 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
- 238000001514 detection method Methods 0.000 claims description 80
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 3
- 230000005283 ground state Effects 0.000 claims 3
- 230000005855 radiation Effects 0.000 description 32
- 230000003287 optical effect Effects 0.000 description 27
- 238000000034 method Methods 0.000 description 14
- 230000000007 visual effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57192763A JPS5983078A (ja) | 1982-11-02 | 1982-11-02 | 混雑度検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57192763A JPS5983078A (ja) | 1982-11-02 | 1982-11-02 | 混雑度検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5983078A JPS5983078A (ja) | 1984-05-14 |
| JPH059755B2 true JPH059755B2 (en]) | 1993-02-05 |
Family
ID=16296636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57192763A Granted JPS5983078A (ja) | 1982-11-02 | 1982-11-02 | 混雑度検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5983078A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06100661B2 (ja) * | 1986-11-26 | 1994-12-12 | 松下電工株式会社 | 人数検出装置 |
| JP2506913B2 (ja) * | 1988-03-25 | 1996-06-12 | 松下電器産業株式会社 | 空気調和機のリモコン位置検出装置 |
| US7515737B2 (en) | 2004-11-30 | 2009-04-07 | Honda Motor Co., Ltd. | Vehicle surroundings monitoring apparatus |
-
1982
- 1982-11-02 JP JP57192763A patent/JPS5983078A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5983078A (ja) | 1984-05-14 |
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