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DE386837C - Device for stereoscopic parallax measurement with measuring marks - Google Patents

Device for stereoscopic parallax measurement with measuring marks

Info

Publication number
DE386837C
DE386837C DEO12533D DEO0012533D DE386837C DE 386837 C DE386837 C DE 386837C DE O12533 D DEO12533 D DE O12533D DE O0012533 D DEO0012533 D DE O0012533D DE 386837 C DE386837 C DE 386837C
Authority
DE
Germany
Prior art keywords
measuring
measuring marks
parallax measurement
marks
stereoscopic parallax
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
DEO12533D
Other languages
German (de)
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz AG
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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Priority to DEO12533D priority Critical patent/DE386837C/en
Application granted granted Critical
Publication of DE386837C publication Critical patent/DE386837C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)

Description

Vorrichtung zur stereoskopischen Parallaxenmessung mit bleßmarken. Die Genauigkeit der stereoskopischen Parallaxmessung bei Entfernungsmessern, Ausmeßgeräten für Meßbilder o. dgl. wird dadurch beeinträchtigt, daß es dem Beobachter schwer fällt, die Parallaxe der Meßmarken genau in Übereinstimmung mit der Parallaxe des der Beobachtung unterliggenden Gelände-oder Bildpunktes zu machen. Diese Schwierigkeit wächst mit der Beobachtungsdauer infolge zunehmender Ermüdung der Augen, wodurch diese im wachsenden Maße unfähig werden, den Zustand der genauen räumlichen Deckung der Meßmarken und eines bestimmten Objektpunktes festzustellen.Device for stereoscopic parallax measurement with bleßemarks. The accuracy of the stereoscopic parallax measurement in rangefinders, measuring devices for measurement images o. The like. Is impaired by the fact that it is difficult for the observer falls, the parallax of the reference marks exactly in accordance with the parallax of the to make the observation subject to terrain or image point. This difficulty grows with the observation period as a result of increasing eye fatigue, as a result of which these become increasingly incapable of the state of exact spatial coverage to determine the measuring marks and a certain object point.

Die Erfindung bezweckt, diesen Mangel der stereoskopischen Parallaxen oder Entfernungsmessung zu beheben oder zu mildern und erreicht den Zweck durch Benutzung eines Meßgeräts, bei dem die Meßmarken in an sich bekannter Weise außerhalb des Strahlenganges des Beobachtungsgegenstandes liegen und in den Strahlengang hineinreflektiert werden, wo sie räumlich wahrgenommen werden.The invention aims to remedy this deficiency of stereoscopic parallaxes or to remedy or mitigate distance measurement and achieved the purpose through Use of a measuring device in which the measuring marks outside in a manner known per se of the beam path of the object under observation and reflected into the beam path where they are spatially perceived.

Gemäß vorliegender Erfindung wird bei einem solchen Gerät mit in den Strahlengang hineinreflektierten Meßmarken behufs Ermöglichung einer genauen Entfernungsmessung eine Abblendevorrichtung für eine oder beide Meßmarkenbilder vorgesehen, so daß dem Beobachter die Möglichkeit gegeben ist, eines oder beide Meßmarkenbilder bei der Beobachtung zeitweise zum Verschwinden zu bringen. Wenn der Beobachter unter Benutzung dieser Abblendevorrichtung seine Beobachtung so einrichtet, daß ex eine oder beide Meßmarkenbilder unterbrechungsweise zum Verschwinden bringt, dann zeigt sich, däß, wenn seine Meßmarkeneinstellung nur scheinbar der Lage eines bestimmten Objektpunktes entsprach, weil sein Auge ermüdet war, dann bei Wiederaufleuchten der Meßmarke oder der Meßmarken das Auge im ersten Augenblick ein Auseinanderfallen der Meßmarken und des Bildpunktes empfindet. Die Tatsache eines solchen Auseinanderfallens des Meßmarkenbildes und des Bildpunktes bei Wiederaufleuchten der Meßmarke oder der Meßmarken ist dann ein Zeichen dafür, daß die Einstellung falsch war und korrigiert werden muß, bis die Erscheinung des Auseinanderfallens von Meßmarkenbild -und Objektpunkt beseitigt ist.According to the present invention is in such a device with in the Beam path reflected measuring marks in order to enable an exact distance measurement a masking device is provided for one or both measuring mark images, so that the observer is given the opportunity to add one or both measurement mark images to make the observation disappear temporarily. If the observer is under Use of this dimming device sets up his observation so that ex one or causes both measuring mark images to disappear intermittently, then shows itself, that if its measuring mark setting only apparently corresponds to the location of a certain Object point, because his eye was tired, then when it lit up again the measuring mark or the measuring marks the eye in the first moment a falling apart the measuring marks and the image point perceives. The fact of such a breakdown of the measuring mark image and the image point when the measuring mark lights up again or the measuring mark is then a sign that the setting was wrong and corrected must be until the appearance of the falling apart of the measuring mark image and the object point is eliminated.

Die Ursache der erwähnten Erscheinung liegt ersichtlich darin, daß die Augen eine gewisse Zeit brauchen, um sich aus einer bestimmten Parallaxstellung auf eine andere Parallaxstellung einzustellen.The cause of the phenomenon mentioned lies in the fact that the eyes need a certain amount of time to move out of a certain parallax position set to a different parallax position.

Besonders gute Ergebnisse werden erzielt, wenn man verschieden, vorzugsweise komplementär gefärbte Meßmarken benutzt. In diesem Falle erscheint beim Wiederaufleuchten der vorübergehend verdeckten Meßmarke, auch bei ganz geringen Parallaxunterschieden, ein farbiger Rand an der im Bilde befindlichen Meßmarke. Bei richtiger Einstellung erscheint dagegen an Stelle der farbigen Marke im Bilde das vereinigte Bild beider Marken in der Mischfarbe.-Particularly good results are achieved when one is different, preferably Complementary colored measuring marks used. In this case, appears when it lights up again the temporarily hidden measuring mark, even with very small parallax differences, a colored border at the measuring mark in the picture. With the right setting On the other hand, instead of the colored mark in the picture, the combined picture of both appears Brands in the mixed color.

Claims (2)

PATENT-ANSPRÜcHE: r. Vorrichtung zur Parallaxmessung mit außerhalb des Strahlenganges des Beobachtungsgegenstandes liegenden, in den Strahlengang hinausreflektierten und dort ein Raumbild erzeugenden Meßmarken, gekennzeichnet durch eine Abblendevorrichtung für ein Meßmarkenbild. PATENT CLAIMS: r. Device for parallax measurement with outside of the beam path of the object under observation, reflected out into the beam path and there measuring marks producing a spatial image, characterized by a masking device for a measuring mark image. 2. Vorrichtung nach Anspruch r, dadurch gekennzeichnet, daß die Meßmarken verschieden, vorzugsweise komplementär gefärbt sind.2. Apparatus according to claim r, characterized in that the measuring marks are colored differently, preferably complementarily.
DEO12533D 1921-09-06 1921-09-06 Device for stereoscopic parallax measurement with measuring marks Expired DE386837C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEO12533D DE386837C (en) 1921-09-06 1921-09-06 Device for stereoscopic parallax measurement with measuring marks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO12533D DE386837C (en) 1921-09-06 1921-09-06 Device for stereoscopic parallax measurement with measuring marks

Publications (1)

Publication Number Publication Date
DE386837C true DE386837C (en) 1923-12-17

Family

ID=7352852

Family Applications (1)

Application Number Title Priority Date Filing Date
DEO12533D Expired DE386837C (en) 1921-09-06 1921-09-06 Device for stereoscopic parallax measurement with measuring marks

Country Status (1)

Country Link
DE (1) DE386837C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851731C (en) * 1940-10-06 1952-10-06 Fichtel & Sachs Ag Clutch provided with two sets of clutch disks, especially for gear change transmissions of motor vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851731C (en) * 1940-10-06 1952-10-06 Fichtel & Sachs Ag Clutch provided with two sets of clutch disks, especially for gear change transmissions of motor vehicles

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