IT1013121B - Dispositivo di ripresa a basso livello di luce e sistema comportan te un tale dispositivo - Google Patents

Dispositivo di ripresa a basso livello di luce e sistema comportan te un tale dispositivo

Info

Publication number
IT1013121B
IT1013121B IT50852/74A IT5085274A IT1013121B IT 1013121 B IT1013121 B IT 1013121B IT 50852/74 A IT50852/74 A IT 50852/74A IT 5085274 A IT5085274 A IT 5085274A IT 1013121 B IT1013121 B IT 1013121B
Authority
IT
Italy
Prior art keywords
light level
low light
level shooting
system behaving
shooting device
Prior art date
Application number
IT50852/74A
Other languages
English (en)
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Application granted granted Critical
Publication of IT1013121B publication Critical patent/IT1013121B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/36—Tubes with image amplification section, e.g. image-orthicon
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IT50852/74A 1973-05-09 1974-05-08 Dispositivo di ripresa a basso livello di luce e sistema comportan te un tale dispositivo IT1013121B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7316739A FR2229138B1 (it) 1973-05-09 1973-05-09

Publications (1)

Publication Number Publication Date
IT1013121B true IT1013121B (it) 1977-03-30

Family

ID=9119042

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50852/74A IT1013121B (it) 1973-05-09 1974-05-08 Dispositivo di ripresa a basso livello di luce e sistema comportan te un tale dispositivo

Country Status (5)

Country Link
US (1) US3974331A (it)
DE (1) DE2422037C3 (it)
FR (1) FR2229138B1 (it)
GB (1) GB1462475A (it)
IT (1) IT1013121B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024391A (en) * 1976-04-09 1977-05-17 The United States Of America As Represented By The Secretary Of The Army Photocathode and microchannel plate picture element array image intensifier tube and system
US4024390A (en) * 1976-04-09 1977-05-17 The United States Of America As Represented By The Secretary Of The Army Two microchannel plate picture element array image intensifier tube and system
US4067045A (en) * 1976-09-28 1978-01-03 Venus Scientific Inc. Low light level camera with parallel-connected slidably mounted intensifier assemblies
US4303945A (en) * 1977-03-21 1981-12-01 Westinghouse Electric Corp. Image motion compensation for a TV sensor system
DE2828479A1 (de) * 1978-06-29 1980-01-17 Proxitronic Funk Gmbh & Co Kg Bildwandler- bzw. bildverstaerkervorsatz fuer fernsehkameras
US4581648A (en) * 1984-06-07 1986-04-08 Lenzar Optics Corporation Video camera system
US4734573A (en) * 1986-07-14 1988-03-29 Eol3 Company, Inc. Image intensifier with additional power supply
JPH0617819B2 (ja) * 1988-05-13 1994-03-09 浜松ホトニクス株式会社 電気光学式ストリークカメラ
US4935817A (en) * 1988-12-22 1990-06-19 Sperry Marine Inc. Dual mode all - light level television camera
FR2679654B1 (fr) * 1991-07-23 1996-02-09 Thomson Csf Systeme d'imagerie a mesure integree de l'usure de ses elements optiques travaillant en transmission, et equipement optronique d'imagerie comportant un tel systeme d'imagerie.
FR2752619B1 (fr) 1996-08-23 1998-11-13 Thomson Csf Procede et dispositif de reconnaissance air-sol pour equipement optronique
US7498557B2 (en) 2005-09-08 2009-03-03 Applied Materials Israel Ltd. Cascaded image intensifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553363A (en) * 1968-12-30 1971-01-05 Westinghouse Electric Corp Power supply for camera system including image intensifier
US3612762A (en) * 1969-03-26 1971-10-12 Itt Automatic gain control system for camera tube
US3691302A (en) * 1971-02-25 1972-09-12 Gte Sylvania Inc Automatic light control for low light level television camera
US3748383A (en) * 1971-04-05 1973-07-24 R Grossman Camera system for day and night use
US3694659A (en) * 1971-09-15 1972-09-26 Int Standard Electric Corp Automatic control circuit for image intensifier
US3795767A (en) * 1972-08-25 1974-03-05 Rca Corp High voltage protection circuit

Also Published As

Publication number Publication date
DE2422037A1 (de) 1974-11-28
US3974331A (en) 1976-08-10
FR2229138A1 (it) 1974-12-06
GB1462475A (en) 1977-01-26
DE2422037B2 (de) 1978-10-19
FR2229138B1 (it) 1975-12-26
DE2422037C3 (de) 1979-06-13

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