GB487240A - Improvements in or relating to television transmission or the transmission of images - Google Patents

Improvements in or relating to television transmission or the transmission of images

Info

Publication number
GB487240A
GB487240A GB34577/36A GB3457736A GB487240A GB 487240 A GB487240 A GB 487240A GB 34577/36 A GB34577/36 A GB 34577/36A GB 3457736 A GB3457736 A GB 3457736A GB 487240 A GB487240 A GB 487240A
Authority
GB
United Kingdom
Prior art keywords
light
controlling current
cell
transmission
dec
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
GB34577/36A
Other languages
English (en)
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Publication of GB487240A publication Critical patent/GB487240A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
GB34577/36A 1935-12-16 1936-12-16 Improvements in or relating to television transmission or the transmission of images Expired GB487240A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE487240X 1935-12-16

Publications (1)

Publication Number Publication Date
GB487240A true GB487240A (en) 1938-06-16

Family

ID=6543576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34577/36A Expired GB487240A (en) 1935-12-16 1936-12-16 Improvements in or relating to television transmission or the transmission of images

Country Status (2)

Country Link
FR (1) FR815049A (fr)
GB (1) GB487240A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421476A (en) * 1943-06-18 1947-06-03 Rca Corp Photoelectric control apparatus for diaphragms
US2431824A (en) * 1943-05-13 1947-12-02 Rca Corp Automatic volume control regulation of light intensity on camera tube
DE976590C (de) * 1955-07-23 1963-12-05 Max Grundig Schaltungsanordnung mit einer den inneren fotoelektrischen Effekt nutzenden Bildaufnahmeroehre

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431824A (en) * 1943-05-13 1947-12-02 Rca Corp Automatic volume control regulation of light intensity on camera tube
US2421476A (en) * 1943-06-18 1947-06-03 Rca Corp Photoelectric control apparatus for diaphragms
DE976590C (de) * 1955-07-23 1963-12-05 Max Grundig Schaltungsanordnung mit einer den inneren fotoelektrischen Effekt nutzenden Bildaufnahmeroehre

Also Published As

Publication number Publication date
FR815049A (fr) 1937-07-05

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