GB1291967A - Television camera systems - Google Patents

Television camera systems

Info

Publication number
GB1291967A
GB1291967A GB26436/71A GB2643671A GB1291967A GB 1291967 A GB1291967 A GB 1291967A GB 26436/71 A GB26436/71 A GB 26436/71A GB 2643671 A GB2643671 A GB 2643671A GB 1291967 A GB1291967 A GB 1291967A
Authority
GB
United Kingdom
Prior art keywords
correction
green
camera
aperture correction
signals
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
GB26436/71A
Other languages
English (en)
Inventor
Hans-Dieter Schneider
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh 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 Fernseh GmbH filed Critical Fernseh GmbH
Publication of GB1291967A publication Critical patent/GB1291967A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
GB26436/71A 1970-04-16 1971-04-19 Television camera systems Expired GB1291967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2018149A DE2018149C3 (de) 1970-04-16 1970-04-16 Verfahren zur Erhöhung der Schärfe von Farbfernsehbildern und Schaltungsanordnung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
GB1291967A true GB1291967A (en) 1972-10-04

Family

ID=5768189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26436/71A Expired GB1291967A (en) 1970-04-16 1971-04-19 Television camera systems

Country Status (6)

Country Link
US (1) US3681520A (enExample)
DE (1) DE2018149C3 (enExample)
FR (1) FR2086101B3 (enExample)
GB (1) GB1291967A (enExample)
HU (1) HU166219B (enExample)
NL (1) NL7105049A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126828A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube aperture compensation
GB2126824A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube compensation for variations of camera lens focal length

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789133A (en) * 1971-10-26 1974-01-29 Commercial Electronics Inc Television camera aperture correction system
US4209801A (en) * 1977-05-30 1980-06-24 Rca Corporation System for increasing the sharpness in a television picture
US4153912A (en) * 1978-03-27 1979-05-08 Polaroid Corporation Apparatus and method for electronically improving the apparent resolution of a color imaging CCD
DE2852247C2 (de) * 1978-12-02 1981-02-12 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Verfahren zur Erzeugung eines Vertikalapertursignals für eine Farbfernsehkamera
FR2506549A1 (fr) * 1981-05-22 1982-11-26 Thomson Csf Dispositif de correction des informations couleur fournies par les tubes analyseurs d'une camera en vue d'ameliorer la perception des images
US4672431A (en) * 1983-10-26 1987-06-09 Harris Corporation Contour correction system when one color signal is low
JPH0693756B2 (ja) * 1985-02-08 1994-11-16 ソニー株式会社 固体カラ−撮像装置の輪郭強調装置
FR2583244B1 (fr) * 1985-06-05 1987-08-07 Thomson Video Equip Dispositif de correction de contours dans une image et utilisation d'un tel dispositif dans une camera de television couleur
US4812905A (en) * 1988-01-15 1989-03-14 Rossi John P System for compensating for the violation of the constant luminance principle in color television systems
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
US5298981A (en) * 1992-10-22 1994-03-29 Panasonic Technologies, Inc. Color signal aperture correction system having automatically selected source signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536826A (en) * 1966-10-05 1970-10-27 Columbia Broadcasting Syst Inc Vertical aperture correction apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126828A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube aperture compensation
GB2126824A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube compensation for variations of camera lens focal length

Also Published As

Publication number Publication date
FR2086101A7 (enExample) 1971-12-31
HU166219B (enExample) 1975-02-28
DE2018149A1 (de) 1971-10-28
DE2018149C3 (de) 1975-08-28
DE2018149B2 (de) 1974-09-05
US3681520A (en) 1972-08-01
FR2086101B3 (enExample) 1973-08-10
NL7105049A (enExample) 1971-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees