JPS59147126U - Flash device illumination angle control device - Google Patents
Flash device illumination angle control deviceInfo
- Publication number
- JPS59147126U JPS59147126U JP4174583U JP4174583U JPS59147126U JP S59147126 U JPS59147126 U JP S59147126U JP 4174583 U JP4174583 U JP 4174583U JP 4174583 U JP4174583 U JP 4174583U JP S59147126 U JPS59147126 U JP S59147126U
- Authority
- JP
- Japan
- Prior art keywords
- flash device
- illumination angle
- focal length
- angle control
- flash
- 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
Landscapes
- Stroboscope Apparatuses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の構成図、第２図は本考案の
ズームレンズ本体の原理を示す断面図、第３図は本考案
のズームレンズ本体の原理を示す平面図、第４図は本考
案のズームレンズ本体の焦点距離と抵抗値の対応図、第
５図は本考案のズームレンズ本体の断面図、第６図は本
考案のズームレンズ本体のズーム環の平面図、第７図は
本考案の第２の実施例の回路図、第８図は本考案の第２
の実施例の焦点距離と液晶に印加される電圧の図、第９
図は従来装置の焦点距離の照射角の関係を説明する図、
第１０図は本実施例の焦点距離と照射角の関係を説明す
る図である。
１０ａ、３５ａ・・・・・・ズーム！溝、１１．４０・
・・・・・ピン、ｃ３５． ｃ５ｏ、 ｃ７ｏ、、、、
、、コンパレータ、Ｒ３＋ Ｒ５＋Ｒ□３．Ｒ１６，Ｒ
２３，Ｒ２５・・・・・・抵抗。
射
角Ｃ□
八
ｈｆイ ３５ｆｚ ：Ｆ４−
２８ （ｔｎ７７２）−焦燕距離FIG. 1 is a configuration diagram of an embodiment of the present invention, FIG. 2 is a sectional view showing the principle of the zoom lens body of the present invention, FIG. 3 is a plan view showing the principle of the zoom lens body of the present invention, and FIG. The figure shows the correspondence between the focal length and the resistance value of the zoom lens body of the present invention, Figure 5 is a sectional view of the zoom lens body of the present invention, Figure 6 is a plan view of the zoom ring of the zoom lens body of the present invention, and Figure 6 is a plan view of the zoom ring of the zoom lens body of the present invention. Figure 7 is a circuit diagram of the second embodiment of the present invention, and Figure 8 is a circuit diagram of the second embodiment of the present invention.
Diagram of the focal length and voltage applied to the liquid crystal of the embodiment, No. 9
The figure is a diagram explaining the relationship between the focal length and the irradiation angle of a conventional device.
FIG. 10 is a diagram illustrating the relationship between the focal length and the irradiation angle in this example. 10a, 35a...Zoom! Groove, 11.40・
...Pin, c35. c5o, c7o,,,,
,, comparator, R3+ R5+R□3. R16,R
23, R25...Resistance. Shooting angle C□ 8hf I 35fz: F4-
28 (tn772) - Jiaoyan distance
Claims (1)
された撮影レンズの焦点距離と照射角との対応関係に従
い照射角を変化させる閃光装置において、 撮影レンズの焦点距離情報を閃光装置に伝達する機構あ
るいは閃光装置自体に撮影レンズの焦点距離と照射角と
の対応にヒステリシス特性を有する電気回路的あるいは
機械的手段を備えたことを特徴とする閃光装置の照射角
制御装置。[Scope of Claim for Utility Model Registration] In a flash device that changes the irradiation angle according to the correspondence between the focal length of the photographic lens and the irradiation angle, which is automatically set in advance according to the focal length of the photographic lens, the focal length of the photographic lens Illumination angle control for a flash device, characterized in that the mechanism for transmitting information to the flash device or the flash device itself is equipped with an electric circuit or mechanical means having hysteresis characteristics in correspondence between the focal length of the photographing lens and the illumination angle. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174583U JPS59147126U (en) | 1983-03-22 | 1983-03-22 | Flash device illumination angle control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174583U JPS59147126U (en) | 1983-03-22 | 1983-03-22 | Flash device illumination angle control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59147126U true JPS59147126U (en) | 1984-10-01 |
| JPH0216345Y2 JPH0216345Y2 (en) | 1990-05-07 |
Family
ID=30172312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4174583U Granted JPS59147126U (en) | 1983-03-22 | 1983-03-22 | Flash device illumination angle control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147126U (en) |
-
1983
- 1983-03-22 JP JP4174583U patent/JPS59147126U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0216345Y2 (en) | 1990-05-07 |
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