GB191200259A - Improvements in and relating to the Projection of the Images of Opaque Bodies. - Google Patents

Improvements in and relating to the Projection of the Images of Opaque Bodies.

Info

Publication number
GB191200259A
GB191200259A GB191200259DA GB191200259A GB 191200259 A GB191200259 A GB 191200259A GB 191200259D A GB191200259D A GB 191200259DA GB 191200259 A GB191200259 A GB 191200259A
Authority
GB
United Kingdom
Prior art keywords
images
projection
relating
mirror
opaque bodies
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
Inventor
Harold Williamson Lake
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191200259A publication Critical patent/GB191200259A/en
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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Abstract

259. Lake, H. W., [Benaglia et Cie]. Jan. 3. Optical-projection apparatus.-The images of opaque objects, such as post cards, placed in a frame c are projected on to a screen by means of an adjustable mirror g through an aperture a<3> in a chamber a containing the mirror and frame, the side of the object facing the mirror being illuminated through openings a<2>. A screen d is provided to prevent light from passing through the aperture a<3> directly from the openings a<2>.
GB191200259D 1912-01-03 1912-01-03 Improvements in and relating to the Projection of the Images of Opaque Bodies. Expired GB191200259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191200259T 1912-01-03

Publications (1)

Publication Number Publication Date
GB191200259A true GB191200259A (en) 1912-11-14

Family

ID=32367154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191200259D Expired GB191200259A (en) 1912-01-03 1912-01-03 Improvements in and relating to the Projection of the Images of Opaque Bodies.

Country Status (1)

Country Link
GB (1) GB191200259A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613127A (en) * 1950-05-23 1952-10-07 Gen Electric Optical system for oscillographs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613127A (en) * 1950-05-23 1952-10-07 Gen Electric Optical system for oscillographs

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