FR2370297B1 - - Google Patents

Info

Publication number
FR2370297B1
FR2370297B1 FR7733830A FR7733830A FR2370297B1 FR 2370297 B1 FR2370297 B1 FR 2370297B1 FR 7733830 A FR7733830 A FR 7733830A FR 7733830 A FR7733830 A FR 7733830A FR 2370297 B1 FR2370297 B1 FR 2370297B1
Authority
FR
France
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
FR7733830A
Other languages
French (fr)
Other versions
FR2370297A1 (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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2370297A1 publication Critical patent/FR2370297A1/fr
Application granted granted Critical
Publication of FR2370297B1 publication Critical patent/FR2370297B1/fr
Granted 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
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR7733830A 1976-11-04 1977-11-03 Dispositif pour observer l'interieur d'une enceinte Granted FR2370297A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE847998 1976-11-04

Publications (2)

Publication Number Publication Date
FR2370297A1 FR2370297A1 (fr) 1978-06-02
FR2370297B1 true FR2370297B1 (enrdf_load_stackoverflow) 1984-07-13

Family

ID=3861438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733830A Granted FR2370297A1 (fr) 1976-11-04 1977-11-03 Dispositif pour observer l'interieur d'une enceinte

Country Status (3)

Country Link
JP (1) JPS53107859A (enrdf_load_stackoverflow)
FR (1) FR2370297A1 (enrdf_load_stackoverflow)
LU (1) LU78443A1 (enrdf_load_stackoverflow)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2028430A (en) * 1934-01-16 1936-01-21 William A Baddorf Oil tank inspection device
FR1231076A (fr) * 1959-03-13 1960-09-26 Dispositif optique afocal avec monture de protection contre les rayonnements dangereux
CH403999A (fr) * 1961-02-06 1965-12-15 Clave Serge Hublot d'observation
FR80978E (fr) * 1962-01-05 1963-07-12 Compteurs Comp D Perfectionnements aux dispositifs périscopiques pour l'observation de l'intérieur des fours, en particulier avec l'aide d'une caméra de télévision
DE1220632B (de) * 1962-06-27 1966-07-07 Serge Clave Periskop mit Vorderpupille und auf die Kuehlumhuellung aufgesetztem optischem Element
FR1459080A (fr) * 1965-09-13 1966-04-29 Commissariat Energie Atomique Lunette stéréoscopique pour l'observation à distance d'objets placés dans une enceinte étanche
AT328912B (de) * 1973-06-29 1976-04-12 Wasserfaller G Turschloss
JPS51131341A (en) * 1975-05-09 1976-11-15 Nippon Steel Corp Telemonitoring device

Also Published As

Publication number Publication date
LU78443A1 (enrdf_load_stackoverflow) 1978-02-16
JPS53107859A (en) 1978-09-20
FR2370297A1 (fr) 1978-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse