CA941647A - Lens material and method of making the same - Google Patents

Lens material and method of making the same

Info

Publication number
CA941647A
CA941647A CA064,774A CA64774A CA941647A CA 941647 A CA941647 A CA 941647A CA 64774 A CA64774 A CA 64774A CA 941647 A CA941647 A CA 941647A
Authority
CA
Canada
Prior art keywords
making
same
lens material
lens
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
CA064,774A
Other languages
English (en)
Inventor
Fritz A. Piringer
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.)
FRITZ A PIRINGER
National Patent Development Corp
Original Assignee
FRITZ A PIRINGER
National Patent Development Corp
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 FRITZ A PIRINGER, National Patent Development Corp filed Critical FRITZ A PIRINGER
Application granted granted Critical
Publication of CA941647A publication Critical patent/CA941647A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/201—Filters in the form of arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/104—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Eyeglasses (AREA)
  • Eye Examination Apparatus (AREA)
CA064,774A 1968-10-14 1969-10-14 Lens material and method of making the same Expired CA941647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1001168A AT279209B (de) 1968-10-14 1968-10-14 Brille für Personen mit Störungen des Farbensinnes

Publications (1)

Publication Number Publication Date
CA941647A true CA941647A (en) 1974-02-12

Family

ID=3619179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA064,774A Expired CA941647A (en) 1968-10-14 1969-10-14 Lens material and method of making the same

Country Status (10)

Country Link
JP (1) JPS5020848B1 (cs)
AT (1) AT279209B (cs)
BE (1) BE740248A (cs)
CA (1) CA941647A (cs)
CS (1) CS152334B2 (cs)
DE (1) DE1950651A1 (cs)
FR (1) FR2020669A1 (cs)
GB (1) GB1291453A (cs)
NL (1) NL6915549A (cs)
SU (1) SU391785A3 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230347A (en) * 1987-05-15 1990-10-17 Plessey Co Plc Multi-spectral transmission coatings
EP0716758A1 (en) * 1993-08-18 1996-06-19 György Abraham Method and optical means for improving or modifying colour vision and method for making said optical means

Also Published As

Publication number Publication date
GB1291453A (en) 1972-10-04
CS152334B2 (cs) 1973-12-19
DE1950651A1 (de) 1970-04-23
AT279209B (de) 1970-02-25
FR2020669A1 (cs) 1970-07-17
JPS5020848B1 (cs) 1975-07-18
SU391785A3 (cs) 1973-07-25
NL6915549A (cs) 1970-04-16
BE740248A (cs) 1970-04-14

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