DE1755074B1 - Display device for soiling and fogging of windows - Google Patents
Display device for soiling and fogging of windowsInfo
- Publication number
- DE1755074B1 DE1755074B1 DE19681755074 DE1755074A DE1755074B1 DE 1755074 B1 DE1755074 B1 DE 1755074B1 DE 19681755074 DE19681755074 DE 19681755074 DE 1755074 A DE1755074 A DE 1755074A DE 1755074 B1 DE1755074 B1 DE 1755074B1
- Authority
- DE
- Germany
- Prior art keywords
- display device
- soiling
- fogging
- windows
- radiation detector
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681755074 DE1755074B1 (en) | 1968-03-27 | 1968-03-27 | Display device for soiling and fogging of windows |
SE273269A SE353497B (en) | 1968-03-27 | 1969-02-27 | |
FR6906294A FR2004803A1 (en) | 1968-03-27 | 1969-03-06 | |
GB1604969A GB1242621A (en) | 1968-03-27 | 1969-03-27 | Improvements in or relating to the detection of dirt or condensation on windows |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681755074 DE1755074B1 (en) | 1968-03-27 | 1968-03-27 | Display device for soiling and fogging of windows |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1755074B1 true DE1755074B1 (en) | 1970-09-10 |
Family
ID=5693303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681755074 Pending DE1755074B1 (en) | 1968-03-27 | 1968-03-27 | Display device for soiling and fogging of windows |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1755074B1 (en) |
FR (1) | FR2004803A1 (en) |
GB (1) | GB1242621A (en) |
SE (1) | SE353497B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2833635A1 (en) * | 1978-08-01 | 1980-02-14 | Siemens Ag | Meter to detect dirtying of optical boundaries - has LED which transmits radiation towards surface, and detects reflected radiation |
FR2512552A1 (en) * | 1981-09-04 | 1983-03-11 | Westinghouse Electric Corp | FIBER OPTIC IMPURITY DETECTOR |
DE3247659A1 (en) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | OPTICAL SENSOR |
FR2593912A1 (en) * | 1986-02-04 | 1987-08-07 | Vaisala Oy | METHOD FOR MEASURING LIGHT TRANSMISSION FACTOR AND APPARATUS FOR IMPLEMENTING SAID METHOD |
DE102014220652A1 (en) * | 2014-10-13 | 2016-04-14 | Continental Automotive Gmbh | Vehicle window with a window heating and heating and sensor unit for a vehicle |
US10136491B2 (en) | 2016-05-11 | 2018-11-20 | B&R Industrial Automation GmbH | Lighting apparatus with adjustable irradiance |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2818019C2 (en) * | 1978-04-25 | 1980-07-17 | Bayerische Motoren Werke Ag, 8000 Muenchen | Vehicle headlights with a pollution sensor |
JPS61116645A (en) * | 1984-11-09 | 1986-06-04 | Nippon Denso Co Ltd | Liquid detector for automatic windshield wiper controller |
US4652745A (en) * | 1985-12-06 | 1987-03-24 | Ford Motor Company | Optical moisture sensor for a window or windshield |
DE3619538A1 (en) * | 1986-06-10 | 1987-12-17 | Egon Harig Apparatebau Elektro | DEVICE DETECTING ARRANGEMENT |
IT212332Z2 (en) * | 1987-07-31 | 1989-07-04 | Veglia Borletti Srl | DEVICE SENSOR OF THE PRESENCE OF WATER DROPS ON A VEHICLE CRYSTAL AND EQUIPMENT OF A WINDSCREEN WIPER EQUIPPED WITH THE SAID DEVICE |
GB2360583A (en) * | 2000-03-21 | 2001-09-26 | Microflow Ltd | Optical condensation monitor |
KR102502613B1 (en) | 2014-10-17 | 2023-02-22 | 니마 나바비 | Self-cleaning optical sensor assembly |
-
1968
- 1968-03-27 DE DE19681755074 patent/DE1755074B1/en active Pending
-
1969
- 1969-02-27 SE SE273269A patent/SE353497B/xx unknown
- 1969-03-06 FR FR6906294A patent/FR2004803A1/fr not_active Withdrawn
- 1969-03-27 GB GB1604969A patent/GB1242621A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2833635A1 (en) * | 1978-08-01 | 1980-02-14 | Siemens Ag | Meter to detect dirtying of optical boundaries - has LED which transmits radiation towards surface, and detects reflected radiation |
FR2512552A1 (en) * | 1981-09-04 | 1983-03-11 | Westinghouse Electric Corp | FIBER OPTIC IMPURITY DETECTOR |
DE3247659A1 (en) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | OPTICAL SENSOR |
EP0115025A2 (en) * | 1982-12-23 | 1984-08-08 | Wolfgang Dr. Ruhrmann | Optical sensor |
EP0115025B1 (en) * | 1982-12-23 | 1988-05-25 | Wolfgang Dr. Ruhrmann | Optical sensor |
FR2593912A1 (en) * | 1986-02-04 | 1987-08-07 | Vaisala Oy | METHOD FOR MEASURING LIGHT TRANSMISSION FACTOR AND APPARATUS FOR IMPLEMENTING SAID METHOD |
DE102014220652A1 (en) * | 2014-10-13 | 2016-04-14 | Continental Automotive Gmbh | Vehicle window with a window heating and heating and sensor unit for a vehicle |
US10136491B2 (en) | 2016-05-11 | 2018-11-20 | B&R Industrial Automation GmbH | Lighting apparatus with adjustable irradiance |
Also Published As
Publication number | Publication date |
---|---|
SE353497B (en) | 1973-02-05 |
GB1242621A (en) | 1971-08-11 |
FR2004803A1 (en) | 1969-12-05 |
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