DE3677117D1 - Bildsignalverarbeitungsschaltung. - Google Patents

Bildsignalverarbeitungsschaltung.

Info

Publication number
DE3677117D1
DE3677117D1 DE8686201563T DE3677117T DE3677117D1 DE 3677117 D1 DE3677117 D1 DE 3677117D1 DE 8686201563 T DE8686201563 T DE 8686201563T DE 3677117 T DE3677117 T DE 3677117T DE 3677117 D1 DE3677117 D1 DE 3677117D1
Authority
DE
Germany
Prior art keywords
signal processing
image signal
processing circuit
circuit
image
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
DE8686201563T
Other languages
English (en)
Inventor
Eduard Antonius Bastiaans
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3677117D1 publication Critical patent/DE3677117D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Picture Signal Circuits (AREA)
  • Radiation Pyrometers (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
DE8686201563T 1985-09-19 1986-09-10 Bildsignalverarbeitungsschaltung. Expired - Lifetime DE3677117D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8502564A NL8502564A (nl) 1985-09-19 1985-09-19 Beeldsignaalverwerkingsschakeling.

Publications (1)

Publication Number Publication Date
DE3677117D1 true DE3677117D1 (de) 1991-02-28

Family

ID=19846581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686201563T Expired - Lifetime DE3677117D1 (de) 1985-09-19 1986-09-10 Bildsignalverarbeitungsschaltung.

Country Status (5)

Country Link
US (1) US4764811A (de)
EP (1) EP0217443B1 (de)
JP (1) JPS6267987A (de)
DE (1) DE3677117D1 (de)
NL (1) NL8502564A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07327130A (ja) * 1994-06-01 1995-12-12 Fuji Photo Film Co Ltd 画像読取装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205446A (en) * 1959-04-28 1965-09-07 Philco Corp Signal contrast enhancement circuit
SE329508B (de) * 1967-11-16 1970-10-12 Bofors Ab
US3597617A (en) * 1969-07-30 1971-08-03 Barnes Eng Co Infrared thermograph having an automatic brightness control
US3704342A (en) * 1970-01-22 1972-11-28 Dynarad Infrared scanning system
FR2148774A5 (de) * 1971-08-03 1973-03-23 Sescosem
JPS5399715A (en) * 1977-02-10 1978-08-31 Fujitsu Ltd Video signal processing circuit
US4227256A (en) * 1978-01-06 1980-10-07 Quadracast Systems, Inc. AM Broadcast tuner with automatic gain control
US4229764A (en) * 1978-07-03 1980-10-21 Michael Danos Visibility expander
US4187519A (en) * 1978-08-17 1980-02-05 Rockwell International Corporation System for expanding the video contrast of an image
FR2525058B1 (fr) * 1982-04-09 1986-06-06 Thomson Csf Circuit d'amelioration du contraste d'un detail d'une image video

Also Published As

Publication number Publication date
NL8502564A (nl) 1987-04-16
EP0217443B1 (de) 1991-01-23
JPS6267987A (ja) 1987-03-27
US4764811A (en) 1988-08-16
EP0217443A1 (de) 1987-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee