CA1007626A - Controlling direction of high intensity light - Google Patents

Controlling direction of high intensity light

Info

Publication number
CA1007626A
CA1007626A CA167,848A CA167848A CA1007626A CA 1007626 A CA1007626 A CA 1007626A CA 167848 A CA167848 A CA 167848A CA 1007626 A CA1007626 A CA 1007626A
Authority
CA
Canada
Prior art keywords
high intensity
intensity light
controlling direction
controlling
light
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
Application number
CA167,848A
Other languages
English (en)
Other versions
CA167848S (en
Inventor
Harlan L. Krinke
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1007626A publication Critical patent/CA1007626A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CA167,848A 1972-04-27 1973-04-03 Controlling direction of high intensity light Expired CA1007626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24796072A 1972-04-27 1972-04-27

Publications (1)

Publication Number Publication Date
CA1007626A true CA1007626A (en) 1977-03-29

Family

ID=22937066

Family Applications (1)

Application Number Title Priority Date Filing Date
CA167,848A Expired CA1007626A (en) 1972-04-27 1973-04-03 Controlling direction of high intensity light

Country Status (5)

Country Link
US (1) US3764797A (nl)
JP (1) JPS5642082B2 (nl)
CA (1) CA1007626A (nl)
DE (1) DE2321727A1 (nl)
FR (1) FR2181899B1 (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940624A1 (de) * 1978-10-16 1980-04-24 Westinghouse Electric Corp Scheinwerfersystem fuer kraftfahrzeuge
JPS59181933U (ja) * 1983-05-16 1984-12-04 株式会社　キヨクオ− ゴムチツプ用焼却装置
DE102004048500B9 (de) * 2004-10-06 2010-03-25 Schott Ag Verfahren zur Herstellung einer Projektionsscheinwerferlinse und Werkzeug zum Blankpressen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1547757A (en) * 1924-05-26 1925-07-28 Johnson William Blanton Headlight
US1814328A (en) * 1929-09-10 1931-07-14 American Gasaccumulator Co Combination lamp and reflector
US1955597A (en) * 1929-12-17 1934-04-17 Us Holding Corp Headlight
GB477758A (en) * 1937-07-19 1938-01-05 Masasuke Imura Improvements in and relating to electric incandescent lamps
US2277563A (en) * 1940-11-09 1942-03-24 Gen Electric Vehicle headlamp
US3341700A (en) * 1964-10-19 1967-09-12 Page Hayden J Vane controlled headlighting system
NL6508370A (nl) * 1965-06-30 1967-01-02
FR1537728A (fr) * 1967-05-26 1968-08-30 Autopal Np Verre diffuseur pour phares asymétriques de véhicules automobiles
FR1545880A (fr) * 1967-10-05 1968-11-15 Cibie Projecteurs Nouveaux perfectionnements aux projecteurs à faisceau coupé, notamment aux projecteurs de croisement pour véhicules automobiles
JPS5034870Y2 (nl) * 1971-02-15 1975-10-09

Also Published As

Publication number Publication date
DE2321727A1 (de) 1973-11-08
JPS4948179A (nl) 1974-05-10
JPS5642082B2 (nl) 1981-10-02
FR2181899A1 (nl) 1973-12-07
US3764797A (en) 1973-10-09
DE2321727C2 (nl) 1987-10-15
FR2181899B1 (nl) 1976-11-12

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