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 staffInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
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)
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) |
-
1918
- 1918-12-12 DE DE1918330682D patent/DE330682C/en not_active Expired
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