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ES180841A1 - UN TELÉMETRO O INSTRUMENTO oPTICO SIMILAR - Google Patents

UN TELÉMETRO O INSTRUMENTO oPTICO SIMILAR

Info

Publication number
ES180841A1
ES180841A1 ES0180841A ES180841A ES180841A1 ES 180841 A1 ES180841 A1 ES 180841A1 ES 0180841 A ES0180841 A ES 0180841A ES 180841 A ES180841 A ES 180841A ES 180841 A1 ES180841 A1 ES 180841A1
Authority
ES
Spain
Prior art keywords
telemeter
optical instrument
similar optical
partial
angle
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
ES0180841A
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.)
Thales Optronics Ltd
Original Assignee
Thales Optronics Ltd
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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Publication of ES180841A1 publication Critical patent/ES180841A1/es
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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/06—Viewfinders with lenses with or without reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Telémetro o instrumento similar del tipo de imagen superpuesta, caracterizado porque la reflexión parcial se efectúa en una superficie prismática, estando la superficie dispuesta en ángulo tal que para los dos rayos de luz tiene lugar una reflexión interna parcial aproximadamente en el ángulo crítico y una transmisión parcial de la luz.
ES0180841A 1940-08-14 1947-12-10 UN TELÉMETRO O INSTRUMENTO oPTICO SIMILAR Expired ES180841A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1297740A GB572382A (en) 1940-08-14 1940-08-14 Improvements in or connected with rangefinders, heightfinders and like optical measuring instruments operating on the coincidence principle

Publications (1)

Publication Number Publication Date
ES180841A1 true ES180841A1 (es) 1948-01-16

Family

ID=10014561

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0180841A Expired ES180841A1 (es) 1940-08-14 1947-12-10 UN TELÉMETRO O INSTRUMENTO oPTICO SIMILAR

Country Status (2)

Country Link
ES (1) ES180841A1 (es)
GB (1) GB572382A (es)

Also Published As

Publication number Publication date
GB572382A (en) 1945-10-05

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