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
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)
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)
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)
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 |
-
1985
- 1985-09-19 NL NL8502564A patent/NL8502564A/nl not_active Application Discontinuation
-
1986
- 1986-09-10 DE DE8686201563T patent/DE3677117D1/de not_active Expired - Lifetime
- 1986-09-10 EP EP86201563A patent/EP0217443B1/de not_active Expired
- 1986-09-15 US US06/907,708 patent/US4764811A/en not_active Expired - Fee Related
- 1986-09-18 JP JP61218242A patent/JPS6267987A/ja active Pending
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 |