DE3205129C2 - - Google Patents

Info

Publication number
DE3205129C2
DE3205129C2 DE19823205129 DE3205129A DE3205129C2 DE 3205129 C2 DE3205129 C2 DE 3205129C2 DE 19823205129 DE19823205129 DE 19823205129 DE 3205129 A DE3205129 A DE 3205129A DE 3205129 C2 DE3205129 C2 DE 3205129C2
Authority
DE
Germany
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
Application number
DE19823205129
Other versions
DE3205129A1 (de
Inventor
Hanns-Peter Prof. Dr. 7500 Karlsruhe De Popp
Gero Dipl.-Ing. 3405 Rosdorf De Sagasser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Happel & Co 4690 Herne De GmbH
Original Assignee
Happel & Co 4690 Herne De GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Happel & Co 4690 Herne De GmbH filed Critical Happel & Co 4690 Herne De GmbH
Priority to DE19823205129 priority Critical patent/DE3205129C2/de
Publication of DE3205129A1 publication Critical patent/DE3205129A1/de
Application granted granted Critical
Publication of DE3205129C2 publication Critical patent/DE3205129C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01WMETEOROLOGY
    • G01W1/00Meteorology
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11Sensor to detect if defrost is necessary
    • F25B2700/111Sensor to detect if defrost is necessary using an emitter and receiver, e.g. sensing by emitting light or other radiation and receiving reflection by a sensor
DE19823205129 1982-02-12 1982-02-12 Expired DE3205129C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823205129 DE3205129C2 (de) 1982-02-12 1982-02-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823205129 DE3205129C2 (de) 1982-02-12 1982-02-12

Publications (2)

Publication Number Publication Date
DE3205129A1 DE3205129A1 (de) 1983-09-01
DE3205129C2 true DE3205129C2 (de) 1984-10-04

Family

ID=6155613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823205129 Expired DE3205129C2 (de) 1982-02-12 1982-02-12

Country Status (1)

Country Link
DE (1) DE3205129C2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4235104A1 (de) * 1992-10-17 1994-04-21 Sel Alcatel Ag Straßenzustandsdetektor
DE4300896C1 (de) * 1993-01-15 1994-04-21 Holger Dipl Ing Oldenettel Verfahren und Vorrichtung zur Ermittlung des Fahrbahnoberflächenzustandes
DE19830340C1 (de) * 1998-07-07 1999-11-11 Siemens Ag Einrichtung zur selbsttätigen Beheizung eines Luftansauggitters für elektrische Geräte
EA008399B1 (ru) 2003-03-14 2007-04-27 Ливас Апс Устройство детектирования данных о состоянии поверхности
DE102010023856A1 (de) * 2010-06-15 2011-12-22 Wabco Gmbh Sensor zur berührungslosen Bestimmung der Fahrbahnbeschaffenheit und dessen Verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT257425B (de) * 1966-02-18 1967-10-10 Wilhelm Dipl Ing Schmid Glatteiswarngerät
DE1955273A1 (de) * 1968-11-25 1970-07-02 Schmid Dipl Ing Wilhelm Glatteiswarngeraet
DE2005751A1 (de) * 1970-02-09 1971-08-12 Palmer J
DE2137689A1 (de) * 1971-07-28 1973-02-08 Eltro Gmbh Verfahren und einrichtung zur feststellung von glatteisbildung
CH639770A5 (de) * 1979-10-02 1983-11-30 Fruengel Frank Sichtweitenmessgeraet.

Also Published As

Publication number Publication date
DE3205129A1 (de) 1983-09-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee