FR1049768A - Heat detector - Google Patents

Heat detector

Info

Publication number
FR1049768A
FR1049768A FR1049768DA FR1049768A FR 1049768 A FR1049768 A FR 1049768A FR 1049768D A FR1049768D A FR 1049768DA FR 1049768 A FR1049768 A FR 1049768A
Authority
FR
France
Prior art keywords
heat detector
detector
heat
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
French (fr)
Inventor
Yvon-L Delbord
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Application granted granted Critical
Publication of FR1049768A publication Critical patent/FR1049768A/en
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
FR1049768D 1952-01-23 1952-01-23 Heat detector Expired FR1049768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1049768T 1952-01-23

Publications (1)

Publication Number Publication Date
FR1049768A true FR1049768A (en) 1953-12-31

Family

ID=9593860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1049768D Expired FR1049768A (en) 1952-01-23 1952-01-23 Heat detector

Country Status (1)

Country Link
FR (1) FR1049768A (en)

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