DE330682C - Device for determining the distance between an optical range finder and its correction staff - Google Patents

Device for determining the distance between an optical range finder and its correction staff

Info

Publication number
DE330682C
DE330682C DE1918330682D DE330682DD DE330682C DE 330682 C DE330682 C DE 330682C DE 1918330682 D DE1918330682 D DE 1918330682D DE 330682D D DE330682D D DE 330682DD DE 330682 C DE330682 C DE 330682C
Authority
DE
Germany
Prior art keywords
distance
range finder
staff
determining
correction
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
DE1918330682D
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.)
HAHN fur OPTIK AG
MECHANIK
Original Assignee
HAHN fur OPTIK AG
MECHANIK
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 HAHN fur OPTIK AG, MECHANIK filed Critical HAHN fur OPTIK AG
Application granted granted Critical
Publication of DE330682C publication Critical patent/DE330682C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details

Landscapes

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

Description

Einrichtung zum Festlegen der Entfernung zwischen einem optischen Entfernungsmesser und seiner Berichtigungslatte. Für die Berichtigung von optischen Entfernungsmessern mit fester Basis im Instrument werden Berichtigungslatten oder justierlatten verwendet, die in einer Entfernung von mindestens ioo m Abstand vom Instrument aufgestellt werden müssen und angemessen werden. Der große Abstand von der Latte zum Entfernungsmesser ist nötig, um die störende ParaRaxe, wie sie beim Beobachten zu naher Gegenstände mittels des Entfernungsmessers eintritt, beim Anmessen auszuschalten, Soll die justierlatte in kürzerer Entfernung vom Entfernungsmesser aufgestellt werden, so muß man vor die Eintrittsöffnungen des Entfernungsmessers Linsen vorstecken, die die Parallaxe beseitigen. Die Latte muß dann genau in der Entfernung aufgestellt werden, die der Brennweite der vorgesetzten Linsen entspricht. Es ist also notwendig, diesen Abstand genau festzulegen. Er muß mittels eines besonders mitzuführenden Meßbandes oder Maßstabes abgemessen werden.Device for determining the distance between an optical Range finder and its correction staff. For rectification of optical Rangefinders with a fixed base in the instrument become correction sticks or Adjusting bars are used, which are at a distance of at least 100 m from the Instrument need to be set up and appropriate. The great distance from the staff to the rangefinder is necessary to avoid the disturbing ParaRaxe, as it is with the Observing objects that are too close by means of the range finder occurs when measuring to switch off the adjustment staff at a shorter distance from the rangefinder must be set up in front of the entry openings of the rangefinder Insert lenses that remove parallax. The bar must then be exactly in that Distance must be set up, which corresponds to the focal length of the lenses in front. It is therefore necessary to determine this distance precisely. He has to do something special measuring tape or scale to be carried.

Dieser Übelstand läßt sich vermeiden, wenn im Entfernungsmesser selbst oder in einem der zugehörigen Beobachtungsfernrohre oder im Richtfernrohr der Berichtigungslatte feste oder t bewegliche Distanzfäden, wie sie bei Entfernungsmessern, die einen Vergleichsmaßstab im Instrument besitzen, bekannt sind, angebracht werden, Dadurch ist die Entfernung der Latte vom Instrument ohne weiteres erkenntlich, oder die Latte kann leicht in den richtigen Abstand vom Instrument gebracht werden.This inconvenience can be avoided if in the range finder itself or in one of the associated observation telescopes or in the directional telescope of the correction staff Fixed or t movable spacer threads, as used in rangefinders, the one Have a comparative scale in the instrument, are known to be attached, thereby the distance of the staff from the instrument is easily recognizable, or the Latte can easily be brought into the correct distance from the instrument.

Claims (1)

PATEIXT-ANspRucH: Einrichtung zum Festlegen der Entfernung zwischen einem optischen Entfernungsmesser mit fester Basis im. Instrument und seiner Berichtigungslatte, gekennzeichnet durch die Verbindung des Entfernungsmessers mit einem zweiten Entfernungsmesser an sich bekannter Bauart, dereinen Vergleichsmaßstab im Instrument enthält, derart, daß im Entfernungsmesser selbst oder in einem der zugehörigen Beobachtungsfernrohre oder im Richtfernrohr der Berichtigungslatte feste oder bewegliche Distanzfäden angebracht sind, die es ermög# lichen, Entfernungsmesser und Berichtigungslatte im richtigen Abstand voneinander aufzustellen.PATEIXT CLAIM: Means to set the distance between an optical rangefinder with a fixed base in the. Instrument and its amending staff, characterized by the connection of the range finder to a second range finder of a known type, which contains a comparative scale in the instrument, such as that in the range finder itself or in one of the associated observation telescopes or fixed or movable spacer threads in the aiming telescope of the correction staff are attached, which allow rangefinder and correction staff set up at the correct distance from each other.
DE1918330682D 1918-12-12 1918-12-12 Device for determining the distance between an optical range finder and its correction staff Expired DE330682C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE330682T 1918-12-12

Publications (1)

Publication Number Publication Date
DE330682C true DE330682C (en) 1920-12-16

Family

ID=6191931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1918330682D Expired DE330682C (en) 1918-12-12 1918-12-12 Device for determining the distance between an optical range finder and its correction staff

Country Status (1)

Country Link
DE (1) DE330682C (en)

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