FR1031184A - Frontofocometer - Google Patents

Frontofocometer

Info

Publication number
FR1031184A
FR1031184A FR1031184DA FR1031184A FR 1031184 A FR1031184 A FR 1031184A FR 1031184D A FR1031184D A FR 1031184DA FR 1031184 A FR1031184 A FR 1031184A
Authority
FR
France
Prior art keywords
frontofocometer
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
Other languages
French (fr)
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.)
& Commerciale Des Ouvriers Lun
Original Assignee
& Commerciale Des Ouvriers Lun
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 & Commerciale Des Ouvriers Lun filed Critical & Commerciale Des Ouvriers Lun
Application granted granted Critical
Publication of FR1031184A publication Critical patent/FR1031184A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0228—Testing optical properties by measuring refractive power
FR1031184D 1951-01-19 1951-01-19 Frontofocometer Expired FR1031184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031184T 1951-01-19

Publications (1)

Publication Number Publication Date
FR1031184A true FR1031184A (en) 1953-06-22

Family

ID=9582986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031184D Expired FR1031184A (en) 1951-01-19 1951-01-19 Frontofocometer

Country Status (1)

Country Link
FR (1) FR1031184A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096070B (en) * 1958-08-29 1960-12-29 Rodenstock Optik G Device for making projected images easier to focus
FR2385092A1 (en) * 1977-03-25 1978-10-20 Rodenstock Optik G Spectacle lenses optical characteristics measurement system - employs projection screen illuminated from behind with adjacent numerical dioptric display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096070B (en) * 1958-08-29 1960-12-29 Rodenstock Optik G Device for making projected images easier to focus
FR2385092A1 (en) * 1977-03-25 1978-10-20 Rodenstock Optik G Spectacle lenses optical characteristics measurement system - employs projection screen illuminated from behind with adjacent numerical dioptric display

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