FR617570A - Procédé de restitution des projections coniques en projections orthogonales - Google Patents

Procédé de restitution des projections coniques en projections orthogonales

Info

Publication number
FR617570A
FR617570A FR617570DA FR617570A FR 617570 A FR617570 A FR 617570A FR 617570D A FR617570D A FR 617570DA FR 617570 A FR617570 A FR 617570A
Authority
FR
France
Prior art keywords
projections
restoring
conical
orthogonal
orthogonal projections
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)
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.)
Brock & Weymouth Inc
Original Assignee
Brock & Weymouth Inc
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 Brock & Weymouth Inc filed Critical Brock & Weymouth Inc
Application granted granted Critical
Publication of FR617570A publication Critical patent/FR617570A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/68—Introducing or correcting distortion, e.g. in connection with oblique projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR617570D 1925-06-23 1926-06-15 Procédé de restitution des projections coniques en projections orthogonales Expired FR617570A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US617570TA 1925-06-23 1925-06-23

Publications (1)

Publication Number Publication Date
FR617570A true FR617570A (fr) 1927-02-22

Family

ID=1541091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR617570D Expired FR617570A (fr) 1925-06-23 1926-06-15 Procédé de restitution des projections coniques en projections orthogonales

Country Status (1)

Country Link
FR (1) FR617570A (fr)

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