FR994547A - Fronto-focomètre projecteur - Google Patents

Fronto-focomètre projecteur

Info

Publication number
FR994547A
FR994547A FR994547DA FR994547A FR 994547 A FR994547 A FR 994547A FR 994547D A FR994547D A FR 994547DA FR 994547 A FR994547 A FR 994547A
Authority
FR
France
Prior art keywords
focometer
fronto
projector
projector fronto
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
English (en)
Inventor
Raymond-Andre Dudragne
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 filed Critical
Application granted granted Critical
Publication of FR994547A publication Critical patent/FR994547A/fr
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR994547D 1949-07-07 1949-07-07 Fronto-focomètre projecteur Expired FR994547A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994547T 1949-07-07

Publications (1)

Publication Number Publication Date
FR994547A true FR994547A (fr) 1951-11-19

Family

ID=9556514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994547D Expired FR994547A (fr) 1949-07-07 1949-07-07 Fronto-focomètre projecteur

Country Status (1)

Country Link
FR (1) FR994547A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247200A (en) * 1977-12-26 1981-01-27 Nippon Kogaku K.K. Projection type lens meter
FR2501372A1 (fr) * 1981-03-05 1982-09-10 Tokyo Optical Focometre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247200A (en) * 1977-12-26 1981-01-27 Nippon Kogaku K.K. Projection type lens meter
FR2501372A1 (fr) * 1981-03-05 1982-09-10 Tokyo Optical Focometre

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