FR423567A - Range finder comprising an objective lens between the mirror system of each objective and the ocular system - Google Patents

Range finder comprising an objective lens between the mirror system of each objective and the ocular system

Info

Publication number
FR423567A
FR423567A FR423567A FR423567DA FR423567A FR 423567 A FR423567 A FR 423567A FR 423567 A FR423567 A FR 423567A FR 423567D A FR423567D A FR 423567DA FR 423567 A FR423567 A FR 423567A
Authority
FR
France
Prior art keywords
objective
range finder
ocular
objective lens
mirror
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
FR423567A
Other languages
French (fr)
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.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR423567A publication Critical patent/FR423567A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • 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
    • G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
    • G01C3/12—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with monocular observation at a single point, e.g. coincidence type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • X-Ray Techniques (AREA)
  • Discharge Lamp (AREA)
FR423567A 1909-12-17 1910-12-12 Range finder comprising an objective lens between the mirror system of each objective and the ocular system Expired FR423567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE423567X 1933-09-06

Publications (1)

Publication Number Publication Date
FR423567A true FR423567A (en) 1911-04-21

Family

ID=6471093

Family Applications (2)

Application Number Title Priority Date Filing Date
FR423567A Expired FR423567A (en) 1909-12-17 1910-12-12 Range finder comprising an objective lens between the mirror system of each objective and the ocular system
FR776893D Expired FR776893A (en) 1933-09-06 1934-08-07 Perforated anode x-ray tube

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR776893D Expired FR776893A (en) 1933-09-06 1934-08-07 Perforated anode x-ray tube

Country Status (4)

Country Link
US (1) US2046808A (en)
BE (1) BE404933A (en)
FR (2) FR423567A (en)
GB (1) GB423567A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431144A (en) * 1942-12-11 1947-11-18 Westinghouse Electric Corp External anode with cooling fins
US2688709A (en) * 1949-11-12 1954-09-07 Westinghouse Electric Corp X-ray anode and method of making same by electric welding
US2677069A (en) * 1951-05-26 1954-04-27 Charles H Bachman Device for producing x-rays
US2791708A (en) * 1953-02-06 1957-05-07 James T Serduke X-ray tube
US3138729A (en) * 1961-09-18 1964-06-23 Philips Electronic Pharma Ultra-soft X-ray source
US3502925A (en) * 1968-03-14 1970-03-24 Du Pont High intensity x-ray source
US3584219A (en) * 1969-01-30 1971-06-08 Du Pont X-ray generator having an anode formed by a solid block with a conical bore closed by a target toil
US3668454A (en) * 1969-08-05 1972-06-06 Rigaku Denki Co Ltd Fine focus x-ray tube

Also Published As

Publication number Publication date
BE404933A (en)
FR776893A (en) 1935-02-06
GB423567A (en) 1935-02-04
US2046808A (en) 1936-07-07

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