JPH03125564U - - Google Patents
Info
- Publication number
- JPH03125564U JPH03125564U JP3413490U JP3413490U JPH03125564U JP H03125564 U JPH03125564 U JP H03125564U JP 3413490 U JP3413490 U JP 3413490U JP 3413490 U JP3413490 U JP 3413490U JP H03125564 U JPH03125564 U JP H03125564U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- matrix circuit
- inputs
- luminance 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.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Liquid Crystal (AREA)
Description
第１図は本考案のカラービユーフアインダーの
実施例を示すブロツク図、第２図は本実施例によ
つて得られる輝度分布図、第３図は従来例を示す
ブロツク図、第４図ａ，ｂは従来によつて得られ
る輝度分布図である。
３……マトリクス回路、５……加算回路、８…
…ビユーフアインダー、１０……第２のマトリク
ス回路、１１……切換スイツチ、１３……ロータ
リー電子スイツチ。
FIG. 1 is a block diagram showing an embodiment of the color viewfinder of the present invention, FIG. 2 is a luminance distribution diagram obtained by this embodiment, FIG. 3 is a block diagram showing a conventional example, and FIGS. b is a brightness distribution diagram obtained conventionally. 3...Matrix circuit, 5...Addition circuit, 8...
... Viewfinder, 10... Second matrix circuit, 11... Changeover switch, 13... Rotary electronic switch.
Claims (1)
信号とを入力する加算回路と、上記輝度信号を入
力し３種類の原色信号の利得比を所定値に調整す
る第２のマトリクス回路と、撮影時は上記加算回
路の出力をピント合わせ時は上記第２のマトリク
ス回路の出力を選択的にビユーフアインダーに供
給するスイツチング手段と、を備えたことを特徴
とするカラーフアインダー。 an addition circuit that inputs the luminance signal and color difference signal output from the matrix circuit; a second matrix circuit that inputs the luminance signal and adjusts the gain ratio of the three primary color signals to a predetermined value; A color finder comprising switching means for selectively supplying the output of the second matrix circuit to the view finder when focusing the output of the adder circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3413490U JPH03125564U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3413490U JPH03125564U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125564U true JPH03125564U (en) | 1991-12-18 |
Family
ID=31538344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3413490U Pending JPH03125564U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125564U (en) |
-
1990
- 1990-03-29 JP JP3413490U patent/JPH03125564U/ja active Pending