FR1137251A - Remote viewing device using heat rays - Google Patents

Remote viewing device using heat rays

Info

Publication number
FR1137251A
FR1137251A FR1137251DA FR1137251A FR 1137251 A FR1137251 A FR 1137251A FR 1137251D A FR1137251D A FR 1137251DA FR 1137251 A FR1137251 A FR 1137251A
Authority
FR
France
Prior art keywords
viewing device
heat rays
remote viewing
remote
rays
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
Charles-Roger Fevrot
Gerard-Andre-Auguste Bertrand
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 filed Critical
Application granted granted Critical
Publication of FR1137251A publication Critical patent/FR1137251A/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
FR1137251D 1949-05-21 1949-05-21 Remote viewing device using heat rays Expired FR1137251A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1137251T 1949-05-21
FR71201T 1950-03-08

Publications (1)

Publication Number Publication Date
FR1137251A true FR1137251A (en) 1957-05-27

Family

ID=62495291

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1137251D Expired FR1137251A (en) 1949-05-21 1949-05-21 Remote viewing device using heat rays
FR71201D Expired FR71201E (en) 1949-05-21 1950-03-08 Remote viewing device using heat rays

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR71201D Expired FR71201E (en) 1949-05-21 1950-03-08 Remote viewing device using heat rays

Country Status (1)

Country Link
FR (2) FR1137251A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010324A1 (en) * 1978-10-07 1980-04-30 Philips Patentverwaltung GmbH Thermal-image device with pneumatic infrared detectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010324A1 (en) * 1978-10-07 1980-04-30 Philips Patentverwaltung GmbH Thermal-image device with pneumatic infrared detectors

Also Published As

Publication number Publication date
FR71201E (en) 1959-10-30

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