ES175569A1 - Mejoras introducidas en las combinaciones de prismas - Google Patents

Mejoras introducidas en las combinaciones de prismas

Info

Publication number: ES175569A1
Authority: ES; Spain
Prior art keywords: improvements introduced; prism combinations; prism; combinations
Prior art date: 1941-07-18
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

ES175569A

Other languages

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.)

1941-07-18

Filing date

1946-11-02

Publication date

1946-12-01

1946-11-02 Application filed by Thales Optronics Ltd filed Critical Thales Optronics Ltd

1946-12-01 Publication of ES175569A1 publication Critical patent/ES175569A1/es

Status Expired legal-status Critical Current

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
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Lenses (AREA)
Optical Elements Other Than Lenses (AREA)

ES175569A 1941-07-18 1946-11-02 Mejoras introducidas en las combinaciones de prismas Expired ES175569A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB914641A GB580726A (en)	1941-07-18	1941-07-18	Improvements in or connected with rangefinders, heightfinders, and like optical measuring instruments

Publications (1)

Publication Number	Publication Date
ES175569A1 true ES175569A1 (es)	1946-12-01

Family

ID=9866267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES175569A Expired ES175569A1 (es)	1941-07-18	1946-11-02	Mejoras introducidas en las combinaciones de prismas

Country Status (2)

Country	Link
ES (1)	ES175569A1 (es)
GB (1)	GB580726A (es)

1941
- 1941-07-18 GB GB914641A patent/GB580726A/en not_active Expired
1946
- 1946-11-02 ES ES175569A patent/ES175569A1/es not_active Expired

Also Published As

Publication number	Publication date
GB580726A (en)	1946-09-18

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