FR1199738A - Lunette à rayons infra-rouges - Google Patents

Lunette à rayons infra-rouges

Info

Publication number
FR1199738A
FR1199738A FR1199738DA FR1199738A FR 1199738 A FR1199738 A FR 1199738A FR 1199738D A FR1199738D A FR 1199738DA FR 1199738 A FR1199738 A FR 1199738A
Authority
FR
France
Prior art keywords
infra
red ray
ray telescope
telescope
red
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
Other languages
English (en)
Inventor
Hendricus Jacobus Nieuwenhove
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 Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Application granted granted Critical
Publication of FR1199738A publication Critical patent/FR1199738A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1199738D 1957-07-09 1958-07-08 Lunette à rayons infra-rouges Expired FR1199738A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1199738X 1957-07-09

Publications (1)

Publication Number Publication Date
FR1199738A true FR1199738A (fr) 1959-12-16

Family

ID=19871586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1199738D Expired FR1199738A (fr) 1957-07-09 1958-07-08 Lunette à rayons infra-rouges

Country Status (1)

Country Link
FR (1) FR1199738A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1206617B (de) * 1961-12-27 1965-12-09 Zeiss Carl Fa Vorsatzfernrohr fuer photographische Kameraobjektive zur Verlaengerung der Brennweite derselben

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1206617B (de) * 1961-12-27 1965-12-09 Zeiss Carl Fa Vorsatzfernrohr fuer photographische Kameraobjektive zur Verlaengerung der Brennweite derselben

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