DE690703C - Frame finder - Google Patents

Frame finder

Info

Publication number
DE690703C
DE690703C DE1938T0050571 DET0050571D DE690703C DE 690703 C DE690703 C DE 690703C DE 1938T0050571 DE1938T0050571 DE 1938T0050571 DE T0050571 D DET0050571 D DE T0050571D DE 690703 C DE690703 C DE 690703C
Authority
DE
Germany
Prior art keywords
frame
frame finder
edge
bounding box
luminosity
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
DE1938T0050571
Other languages
German (de)
Inventor
Ernst Tylmann
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.)
ERNST TYLMANN
Original Assignee
ERNST TYLMANN
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 ERNST TYLMANN filed Critical ERNST TYLMANN
Priority to DE1938T0050571 priority Critical patent/DE690703C/en
Application granted granted Critical
Publication of DE690703C publication Critical patent/DE690703C/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)

Description

Rahmensucher Zusatz zum Patent 663 5t8 Bei den meisten einfachen Rahmensuchern an Lichtbildapparaten kann man beim Durchblicken die Begrenzung des Bildausschnitts nicht schnell und sicher genug erfassen, weil auf die innere Kante des Begrenzungsrahmens xuwenig Licht fällt, so daß_ sie sich von einem dunklen Aufnahmegegenstand nicht genügend abhebt.Frame finder Addendum to patent 663 5t8 For most simple frame finders When looking through the camera you can see the limitation of the image section not capture quickly and safely enough because on the inside edge of the bounding box xtoo little light falls, so that_ it does not stand out from a dark subject stands out enough.

Nach dem Hauptpatent 663 518 ist. nun dieser Mangel dadurch beseitigt, daß die Blickkante desBegrenzungsrahmens mit einem mehrfarbigen Muster versehen wird.According to the main patent 663 518 is. now this deficiency is eliminated by that the viewing edge of the bounding box is provided with a multicolored pattern will.

Wie sich gezeigt hat, kann die vorteilhafte Wirkung des mehrfarbigen Musters erheblich gesteigert werden, wenn die aufgehellten Flächenstücke seine Leuchtkraft erhöhen. Eine solche Aufhellung bildet zwar schon den Gegenstand des älteren Patentes 678 8o2, jedoch ist: hier keine mehrfarbig gemusterte Sichtfläche vorgesehen.As has been shown, the beneficial effect of the multicolored Pattern can be increased significantly when the lightened patches of its luminosity raise. Such a lightening is already the subject of the earlier patent 678 8o2, however: no multi-colored patterned visible surface is provided here.

Das Wesen der Erfindung besteht somit darin, daß die mehrfarbige Musterung der Blickkante nach dem Hauptpatent verbunden ist mit der Anordnung der Aufhellung solcher Flächenstücke; die geeignet sind; die Leuchtstärke der Sichtfläche des: Begrenzungsrahmens zu erhöhen.The essence of the invention is thus that the multicolored pattern the edge of the eye according to the main patent is associated with the arrangement of the brightening such patches; that are suitable; the luminosity of the visible surface of the: Increase the bounding box.

Durch diese Kombination der Erfindungsgedanken nach den Patenten 663 518 und 678 802 wird die physiologische Arbeit des Auges wesentlich erleichtert, und das Visieren kann daher schnell und sicher erfolgen.This combination of the inventive ideas according to patents 663 518 and 678 802 makes the physiological work of the eye considerably easier, and sighting can therefore take place quickly and safely.

Die A.bb. i und 2 zeigen schematisch im Schaubild als Beispiel zur Anwendung des Erfindungsgedankens von zwei Seiten eine geschlossene Rollfilmkamera i mit dem Visierrahmen z und dem Begrenzungsrahmen 3. Die Begrenzungskante q. zeigt nach Patent 6635i8 ein Streifenmuster in den Farben Weiß, Rot und Schwarz. Die Flächenstücke 5, 6, 7; 8; die nach Patent 67$ 802 geeignet sind, durch Lichtreflexion die Leuchtstärke der Begrenzungskante zu erhöhen, sind in den Ab- bildungen weißgelassen. Alle andern Stücke, die für den Erfindungsgedanken bedeutungslos sind, sind schraffiert dargestellt.The A.bb. i and 2 schematically show a closed roll film camera i with the sighting frame z and the delimiting frame 3 as an example of the application of the inventive concept from two sides. The delimiting edge q. shows according to patent 6635i8 a stripe pattern in the colors white, red and black. The patches 5, 6, 7; 8th; which are suitable according to 67 $ 802 to increase by light reflection, the light intensity of the boundary edge, are in the waste left blank formations. All other items that are meaningless for the idea of the invention are shown hatched.

Claims (1)

PATENTANSPRUCH: Rahmensucher nach Patent 663 518, dadurch gekennzeichnet, daß die mehrfarbig gemusterte Blickkante des Begrenzungsrahmens verbunden ist mit der Aufhellung solcher Flächenstücke (5, 6, 7, 8), die geeignet sind; die Leuchtstärke der Sichtfläche des Begrenzungsrahmens zu erhöhen. Claim: frame finder according to patent 663 518, characterized in that the multi-colored, patterned viewing edge of the boundary frame is associated with the brightening of those surface pieces (5, 6, 7, 8) which are suitable; increase the luminosity of the visible surface of the bounding box.
DE1938T0050571 1938-06-18 1938-06-18 Frame finder Expired DE690703C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1938T0050571 DE690703C (en) 1938-06-18 1938-06-18 Frame finder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1938T0050571 DE690703C (en) 1938-06-18 1938-06-18 Frame finder

Publications (1)

Publication Number Publication Date
DE690703C true DE690703C (en) 1940-06-24

Family

ID=7563432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1938T0050571 Expired DE690703C (en) 1938-06-18 1938-06-18 Frame finder

Country Status (1)

Country Link
DE (1) DE690703C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871244C (en) * 1948-10-02 1953-03-19 Kodak Ag Mixed image rangefinder for photographic and cinematographic purposes
DE907245C (en) * 1951-10-18 1954-03-22 Voigtlaender Ag Viewfinder for photographic cameras or the like.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871244C (en) * 1948-10-02 1953-03-19 Kodak Ag Mixed image rangefinder for photographic and cinematographic purposes
DE907245C (en) * 1951-10-18 1954-03-22 Voigtlaender Ag Viewfinder for photographic cameras or the like.

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