ES523276A0 - Perfeccionamientos introducidos en un aparato de control automatico de contraste de imagen en un sistema de presentacionvisual de senales de video. - Google Patents

Perfeccionamientos introducidos en un aparato de control automatico de contraste de imagen en un sistema de presentacionvisual de senales de video.

Info

Publication number
ES523276A0
ES523276A0 ES523276A ES523276A ES523276A0 ES 523276 A0 ES523276 A0 ES 523276A0 ES 523276 A ES523276 A ES 523276A ES 523276 A ES523276 A ES 523276A ES 523276 A0 ES523276 A0 ES 523276A0
Authority
ES
Spain
Prior art keywords
automatic control
video signals
image contrast
visual presentation
control system
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.)
Granted
Application number
ES523276A
Other languages
English (en)
Other versions
ES8405227A1 (es
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of ES8405227A1 publication Critical patent/ES8405227A1/es
Publication of ES523276A0 publication Critical patent/ES523276A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/58—Control of contrast or brightness in dependence upon ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Transforming Electric Information Into Light Information (AREA)
ES523276A 1982-06-23 1983-06-15 Perfeccionamientos introducidos en un aparato de control automatico de contraste de imagen en un sistema de presentacionvisual de senales de video. Granted ES523276A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/391,415 US4451849A (en) 1982-06-23 1982-06-23 Plural operating mode ambient light responsive television picture control

Publications (2)

Publication Number Publication Date
ES8405227A1 ES8405227A1 (es) 1984-05-16
ES523276A0 true ES523276A0 (es) 1984-05-16

Family

ID=23546488

Family Applications (1)

Application Number Title Priority Date Filing Date
ES523276A Granted ES523276A0 (es) 1982-06-23 1983-06-15 Perfeccionamientos introducidos en un aparato de control automatico de contraste de imagen en un sistema de presentacionvisual de senales de video.

Country Status (8)

Country Link
US (1) US4451849A (es)
JP (1) JPH0691637B2 (es)
DE (1) DE3322467C2 (es)
ES (1) ES523276A0 (es)
FI (1) FI74571C (es)
FR (1) FR2529421B1 (es)
GB (1) GB2122839B (es)
IT (1) IT1171684B (es)

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Also Published As

Publication number Publication date
ES8405227A1 (es) 1984-05-16
FI832206L (fi) 1983-12-24
FI74571B (fi) 1987-10-30
FI832206A0 (fi) 1983-06-16
IT1171684B (it) 1987-06-10
GB8316910D0 (en) 1983-07-27
FR2529421B1 (fr) 1988-06-10
DE3322467A1 (de) 1983-12-29
JPH0691637B2 (ja) 1994-11-14
DE3322467C2 (de) 1986-04-24
JPS596681A (ja) 1984-01-13
FI74571C (fi) 1988-02-08
US4451849A (en) 1984-05-29
IT8321728A1 (it) 1984-12-21
GB2122839B (en) 1985-09-18
IT8321728A0 (it) 1983-06-21
FR2529421A1 (fr) 1983-12-30
GB2122839A (en) 1984-01-18

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Effective date: 19990201