JPH03101088U - - Google Patents
Info
- Publication number
- JPH03101088U JPH03101088U JP922890U JP922890U JPH03101088U JP H03101088 U JPH03101088 U JP H03101088U JP 922890 U JP922890 U JP 922890U JP 922890 U JP922890 U JP 922890U JP H03101088 U JPH03101088 U JP H03101088U
- Authority
- JP
- Japan
- Prior art keywords
- white balance
- light
- receiving window
- colorimetric sensor
- optical element
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 2
- 238000004737 colorimetric analysis Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005375 photometry Methods 0.000 description 1
Landscapes
- Color Television Image Signal Generators (AREA)
Description
第１図は本考案の実施例における部分構成を示
すブロツク図である。第２ａ図は本実施例におけ
る白バランス用窓の形状を示し、第２ｂ図は第２
ａ図の部分拡大図である。第３図は本実施例にお
ける光の入射角度と測色センサの受光量との関係
を示す分布図である。
１……カメラ本体、２……撮影レンズ、３……
被写体、４……測色センサ部、５……白バランス
用窓、６……測色センサ、７……色温度検出回路
、８……白バランス補正制御回路、９……予備測
光検出回路、１０……シヤツタ秒時制御回路、１
１……ストロボ制御回路、１２……溝部、１３…
…裏面部。
FIG. 1 is a block diagram showing a partial configuration of an embodiment of the present invention. Figure 2a shows the shape of the white balance window in this example, and Figure 2b shows the shape of the window for white balance in this example.
It is a partially enlarged view of figure a. FIG. 3 is a distribution diagram showing the relationship between the incident angle of light and the amount of light received by the colorimetric sensor in this embodiment. 1... Camera body, 2... Shooting lens, 3...
Subject, 4... Colorimetric sensor unit, 5... White balance window, 6... Colorimetric sensor, 7... Color temperature detection circuit, 8... White balance correction control circuit, 9... Preliminary photometry detection circuit, 10...Shutter time control circuit, 1
1... Strobe control circuit, 12... Groove, 13...
...Back part.
Claims (1)
信号の色成分の白バランスを調整する白バランス
調節装置を備えた撮像装置において、周囲光を採
り入れる測色用の受光窓を、透明材質であつてす
くなくとも一方の表面を溝形状とした表面光学素
子板とし、所定の角度より上方からの入射光が該
測色センサに入射することを減少せしめるように
したことを特徴とするホワイトバランス用受光窓
。 ２ 該表面光学素子板において、溝形状を付した
面のもう一方の表面に梨地加工をしたことを特徴
とする請求項第１項記載のホワイトバランス用受
光窓。[Scope of Claim for Utility Model Registration] 1. For colorimetry that takes in ambient light in an imaging device equipped with a white balance adjustment device that adjusts the white balance of color components of a video signal based on color temperature information from a colorimetric sensor The light-receiving window is made of a surface optical element plate made of a transparent material and having a groove shape on at least one surface, thereby reducing incident light from above a predetermined angle from entering the colorimetric sensor. A light receiving window for white balance featuring 2. The light receiving window for white balance according to claim 1, wherein the surface optical element plate has a satin finish on the other surface of the grooved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922890U JP2534933Y2 (en) | 1990-01-31 | 1990-01-31 | Light receiving window for white balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922890U JP2534933Y2 (en) | 1990-01-31 | 1990-01-31 | Light receiving window for white balance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03101088U true JPH03101088U (en) | 1991-10-22 |
| JP2534933Y2 JP2534933Y2 (en) | 1997-05-07 |
Family
ID=31512832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP922890U Expired - Lifetime JP2534933Y2 (en) | 1990-01-31 | 1990-01-31 | Light receiving window for white balance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534933Y2 (en) |
-
1990
- 1990-01-31 JP JP922890U patent/JP2534933Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534933Y2 (en) | 1997-05-07 |
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