DE4015446C2 - Fernsehkamera - Google Patents

Fernsehkamera

Info

Publication number
DE4015446C2
DE4015446C2 DE4015446A DE4015446A DE4015446C2 DE 4015446 C2 DE4015446 C2 DE 4015446C2 DE 4015446 A DE4015446 A DE 4015446A DE 4015446 A DE4015446 A DE 4015446A DE 4015446 C2 DE4015446 C2 DE 4015446C2
Authority
DE
Germany
Prior art keywords
signal
viewfinder
camera
frequency
video signal
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 - Lifetime
Application number
DE4015446A
Other languages
German (de)
English (en)
Other versions
DE4015446A1 (de
Inventor
Florus Bernardus Van Den Herik
Marinus Cornelis Willem V Buul
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.)
BTS Holding International BV
Original Assignee
BTS Broadcast Television Systems 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 BTS Broadcast Television Systems GmbH filed Critical BTS Broadcast Television Systems GmbH
Priority to DE4015446A priority Critical patent/DE4015446C2/de
Priority to JP03107929A priority patent/JP3115347B2/ja
Publication of DE4015446A1 publication Critical patent/DE4015446A1/de
Application granted granted Critical
Publication of DE4015446C2 publication Critical patent/DE4015446C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Viewfinders (AREA)
  • Automatic Focus Adjustment (AREA)
DE4015446A 1990-05-14 1990-05-14 Fernsehkamera Expired - Lifetime DE4015446C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE4015446A DE4015446C2 (de) 1990-05-14 1990-05-14 Fernsehkamera
JP03107929A JP3115347B2 (ja) 1990-05-14 1991-05-14 テレビジョンカメラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4015446A DE4015446C2 (de) 1990-05-14 1990-05-14 Fernsehkamera

Publications (2)

Publication Number Publication Date
DE4015446A1 DE4015446A1 (de) 1991-11-21
DE4015446C2 true DE4015446C2 (de) 1994-01-05

Family

ID=6406366

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4015446A Expired - Lifetime DE4015446C2 (de) 1990-05-14 1990-05-14 Fernsehkamera

Country Status (2)

Country Link
JP (1) JP3115347B2 (ja)
DE (1) DE4015446C2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69831927T2 (de) * 1997-08-21 2006-05-18 Bts Holding International Bv Sucheraperturkorrektur
JP2009189031A (ja) * 2009-03-27 2009-08-20 Sony Corp 画像信号処理装置、ビューファインダ、表示装置、画像信号処理方法、記録媒体及びプログラム
US10003733B2 (en) 2016-05-13 2018-06-19 Gvbb Holdings S.A.R.L. Peaking headroom for flat panel displays

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660092A (en) * 1986-03-25 1987-04-21 Eastman Kodak Company Focusing aid for a manually focused video camera
US4775892A (en) * 1987-12-28 1988-10-04 Eastman Kodak Company Brightness-dependent focusing aid for a manually focused video camera

Also Published As

Publication number Publication date
JPH04230181A (ja) 1992-08-19
DE4015446A1 (de) 1991-11-21
JP3115347B2 (ja) 2000-12-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS BROADCAST TELEVISION SYSTEMS GMBH, 64347 G

8327 Change in the person/name/address of the patent owner

Owner name: BTS HOLDING INTERNATIONAL BV, BREDA, NL