JPH0258201U - - Google Patents
Info
- Publication number
- JPH0258201U JPH0258201U JP12195688U JP12195688U JPH0258201U JP H0258201 U JPH0258201 U JP H0258201U JP 12195688 U JP12195688 U JP 12195688U JP 12195688 U JP12195688 U JP 12195688U JP H0258201 U JPH0258201 U JP H0258201U
- Authority
- JP
- Japan
- Prior art keywords
- color
- strip
- light
- image pickup
- pickup tube
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 claims 2
- 239000003086 colorant Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000003595 spectral effect Effects 0.000 description 2
- 241000083652 Osca Species 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
Description
第１図は本考案になる色ストライプフイルタの
第１実施例の構成を示す図、第２図はその分光特
性図、第３図Ａ〜Ｄは本考案の色ストライプフイ
ルタの第２乃至第５実施例の各構成を示す図、第
４図は本考案になるカラー撮像装置の一実施例の
構成を示す図、第５図は色多重搬送波を説明する
ための図、第６図は従来の色ストライプフイルタ
の配列パターンを示す図、第７図はその色ストラ
イプフイルタの分光特性図、第８図は復調後のＲ
ＧＢ信号中に生じる偽の青色成分を示す図である
。
１……Ｙｌ色細条片、２……Ｃｙ色細条片、２
ａ……第２の色細条片、３……Ｒ色細条片、４…
…ＮＤ細条片、５……Ｍｇ色細条片、Ｘ……第１
の色細条片、Ｙ……色細条片、Ｚ，Ｚ１〜Ｚ４…
…第３の色細条片、６……撮像レンズ、７……撮
像管、８……偏向ヨーク、９……光電変換部、１
０……前面板、１１……前置増幅器（ＰｒＡ）、
１２……ローパスフイルタ（ＬＰＦ）、１３……
バンドパスフイルタ（ＢＰＦ）、１４……ＦＭ検
波比較回路（ＦＭＤＣ）、１５……キヤリアスタ
ート位置検出回路（ＤＣ）、１６……アドレス信
号発生器（ＯＳＣａ）、１７……アナログ／デジ
タル変換器（ＡＤＣ）、１８……デジタルメモリ
（ＤＭ）、１９……デジタル／アナログ変換器（
ＤＡＣ）、２０……クロツク信号発生器（ＯＳＣ
ｃ）、２１……基準信号発生器（ＳＳＧ）、２２
，２３……同期検波器（ＳＤＥＴ１，ＳＤＥＴ２
）、２４……マトリツクス回路（ＭＴＸ）、２５
〜２７……出力端子、Ｆ……色ストライプフイル
タ、ＭＡ……記憶装置、Ｏ……撮像対象物。
FIG. 1 is a diagram showing the configuration of the first embodiment of the color stripe filter according to the present invention, FIG. 2 is a spectral characteristic diagram thereof, and FIGS. 4 is a diagram showing the configuration of an embodiment of the color imaging device according to the present invention. FIG. 5 is a diagram for explaining color multicarrier waves. FIG. A diagram showing the arrangement pattern of the color stripe filter, Figure 7 is a spectral characteristic diagram of the color stripe filter, and Figure 8 is the R after demodulation.
FIG. 3 is a diagram showing a false blue component occurring in a GB signal. 1...Yl color strip, 2...Cy color strip, 2
a...Second color strip, 3...R color strip, 4...
...ND strip, 5...Mg color strip, X...1st
Color strips, Y...Color strips, Z, Z 1 to Z 4 ...
...Third colored strip, 6... Image pickup lens, 7... Image pickup tube, 8... Deflection yoke, 9... Photoelectric conversion section, 1
0... Front plate, 11... Preamplifier (PrA),
12...Low pass filter (LPF), 13...
Band pass filter (BPF), 14...FM detection comparison circuit (FMDC), 15...Carrier start position detection circuit (DC), 16...Address signal generator (OSCa), 17...Analog/digital converter ( ADC), 18...Digital memory (DM), 19...Digital/analog converter (
DAC), 20...Clock signal generator (OSC)
c), 21...Standard signal generator (SSG), 22
, 23... Synchronous detector (SDET 1 , SDET 2
), 24... Matrix circuit (MTX), 25
~27... Output terminal, F... Color stripe filter, MA... Storage device, O... Imaged object.
Claims (1)
透過させる色細条片とを光の進行方向に対して重
ねて形成した、緑色光を透過させる第１の色細条
片と、 この第１の色細条片とは異なる色の光を透過さ
せる第２の色細条片と、 前記第１及び第２の色細条片とは異なる色の光
を透過させる第３の色細条片とを一定の繰返し順
序に配列してなる色ストライプフイルタであつて
、 前記第２及び第３の色細条片のいずれか一方の
色細条片に、ＮＤ細条片を光の進行方向に対して
重なるよう設けたことを特徴とする色ストライプ
フイルタ。 (2) それぞれ所定の細条幅を有する複数種類の
色細条片の特定な配列パターンの繰返しよりなり
、前者の配列パターンの繰返しと対応して定まる
撮像管出力信号の基本波成分の位相が、光の色に
よつて変化する如くに、前記それぞれの複数種類
の色細条片の色が設定されてなる色分解縞状フイ
ルタを撮像管の光電変換部までの光路中に備えて
いて、撮像対象物の光像が色分解縞状フイルタを
介して撮像管の光電変換部に与えられるようにす
る構成配置と、 前記撮像管からの出力信号の少なくとも１フイ
ールド期間に対応した情報信号を任意に記憶でき
る記憶装置とが設けられており、 撮像に先立つて任意の特定色を撮像して、その
撮像管出力信号の少なくとも１フイールド期間に
対応した情報信号を前記の記憶装置に記憶し、前
記の記憶装置に記憶されている情報信号に基づい
て色信号復調用の参照波を得て、それにより撮像
管の出力信号から同期検波などによつて所要の色
信号を復調するようにした色多重方式のカラー撮
像装置であつて、 前記色分解縞状フイルタを請求項１記載の色ス
トライプフイルタとしたことを特徴とするカラー
撮像装置。[Claims for Utility Model Registration] (1) A color strip that transmits cyan light and a color strip that transmits yellow light, which are formed by overlapping each other in the direction of light propagation, and that transmit green light. a second colored strip that transmits light of a different color from the first colored strip; a colored strip that is different from the first and second colored strips; A color stripe filter comprising a third color strip that transmits light and arranged in a fixed repeating order, wherein one of the second and third color strips has a third color strip that transmits light. , a color stripe filter characterized in that ND strips are provided so as to overlap with each other in the direction of propagation of light. (2) The phase of the fundamental wave component of the image pickup tube output signal is determined by repeating a specific arrangement pattern of multiple types of color strips each having a predetermined strip width, and is determined in correspondence with the repetition of the former arrangement pattern. A color separation striped filter in which the colors of the plurality of color strips are set so as to change depending on the color of the light is provided in the optical path up to the photoelectric conversion section of the image pickup tube, A configuration arrangement in which an optical image of an object is provided to a photoelectric conversion section of an image pickup tube through a color separation striped filter, and an information signal corresponding to at least one field period of an output signal from the image pickup tube is optionally provided. A storage device capable of storing data is provided, and prior to imaging, an arbitrary specific color is imaged, and an information signal corresponding to at least one field period of the image pickup tube output signal is stored in the storage device, A color multiplexing method in which a reference wave for color signal demodulation is obtained based on the information signal stored in the storage device, and the desired color signal is demodulated from the output signal of the image pickup tube by synchronous detection, etc. 2. A color imaging device according to claim 1, wherein the color separation striped filter is the color striped filter according to claim 1.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195688U JPH0258201U (en) | 1988-09-16 | 1988-09-16 | |
| EP88312346A EP0323214B1 (en) | 1987-12-28 | 1988-12-28 | Color stripe filter in color image pickup apparatus |
| DE3888153T DE3888153T2 (en) | 1987-12-28 | 1988-12-28 | Color strip filter for color image recording device. |
| US07/291,202 US4916528A (en) | 1987-12-28 | 1988-12-28 | Color stripe filter in color image pickup apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195688U JPH0258201U (en) | 1988-09-16 | 1988-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258201U true JPH0258201U (en) | 1990-04-26 |
Family
ID=31369440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12195688U Pending JPH0258201U (en) | 1987-12-28 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258201U (en) |
-
1988
- 1988-09-16 JP JP12195688U patent/JPH0258201U/ja active Pending
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