JPH02867U - - Google Patents
Info
- Publication number
- JPH02867U JPH02867U JP7799388U JP7799388U JPH02867U JP H02867 U JPH02867 U JP H02867U JP 7799388 U JP7799388 U JP 7799388U JP 7799388 U JP7799388 U JP 7799388U JP H02867 U JPH02867 U JP H02867U
- Authority
- JP
- Japan
- Prior art keywords
- guide
- guide tube
- video camera
- lens
- groove
- 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
Landscapes
- Viewfinders (AREA)
Description
図面は本考案の一実施例を示したものであつて
、第1A図及び第1B図は要部を示した一部切欠
き斜視図、第2図はビユーフアインダ装置全体の
分解斜視図、第3図は要部を示した中央縦断面図
、第4図は第3図の―矢視での断面図、第5
図はビデオカメラ全体の斜視図である。
また、図面に用いられている符号において、1
…ビデオカメラ、4…ビユーフアインダ装置、7
…接眼部、11…レンズ、12…保持リング、1
3…ガイドピン、16…ガイド筒、16a…ガイ
ド筒の一端、17…ラセン溝、17a…ラセン溝
の開放端、35…外筐、40…直線溝、40a…
直線溝の開放端、である。
The drawings show one embodiment of the present invention, in which FIGS. 1A and 1B are partially cutaway perspective views showing the main parts, FIG. 2 is an exploded perspective view of the entire viewfinder device, and FIG. The figure is a central vertical cross-sectional view showing the main parts, Figure 4 is a cross-sectional view taken in the - arrow direction of Figure 3, and Figure 5
The figure is a perspective view of the entire video camera. In addition, in the symbols used in the drawings, 1
...video camera, 4...viewfinder device, 7
...Eyepiece, 11...Lens, 12...Retaining ring, 1
3... Guide pin, 16... Guide tube, 16a... One end of guide tube, 17... Spiral groove, 17a... Open end of helical groove, 35... Outer casing, 40... Straight groove, 40a...
This is the open end of a straight groove.
Claims (1)
レンズを備え、該レンズを保持した保持リングを
回転自在のガイド筒内に配置させ、上記保持リン
グの外周に設けた複数のガイドピンを上記ガイド
筒に設けた複数のラセン溝を貫通して該ガイド筒
より外側に固定状態で設けられた複数の直線溝に
嵌合させ、上記ガイド筒の回転に伴う上記複数の
ラセン溝及び直線溝による上記複数のガイドピン
の送り作用によつて、上記レンズを光軸方向に移
動調整するように構成したビデオカメラのビユー
フアインダ装置において、 上記ガイド筒の一端側で上記複数のラセン溝及
び直線溝の一端を開放させた開放端に形成し、上
記複数のガイドピンを上記複数のラセン溝及び直
線溝の開放端から外方に抜取り得るように構成し
たことを特徴とするビデオカメラのビユーフアイ
ンダ装置。 2 ビデオカメラの撮影画像を拡大視するための
レンズを備え、該レンズを保持した保持リングを
回転自在のガイド筒内に配置させ、上記保持リン
グの外周に設けた複数のガイドピンを上記がイド
筒に設けた複数のラセン溝を貫通して該ガイド筒
より外側に固定状態で設けられた複数の直線溝に
嵌合させ、上記ガイド筒の回転に伴う上記複数の
ラセン溝及び直線溝による上記複数のガイドピン
の送り作用によつて、上記レンズを光軸方向に移
動調整するように構成したビデオカメラのビユー
フアインダ装置において、 外筐内に上記ガイド筒を直接回転自在に支持さ
せると共に、上記複数の直線溝を該外筐の内周に
設けたことを特徴とするビデオカメラのビユーフ
アインダ装置。[Claims for Utility Model Registration] 1. A system comprising a lens for magnifying an image captured by a video camera, a retaining ring holding the lens disposed within a rotatable guide cylinder, and provided on the outer periphery of the retaining ring. A plurality of guide pins pass through a plurality of helical grooves provided in the guide tube and are fitted into a plurality of linear grooves fixedly provided outside the guide tube, so that the plurality of guide pins pass through a plurality of helical grooves provided in the guide tube and are fitted into a plurality of linear grooves fixedly provided outside the guide tube, so that the In a viewfinder device for a video camera configured to move and adjust the lens in the optical axis direction by the feeding action of the plurality of guide pins using a helical groove and a straight groove, the plurality of helical A video camera characterized in that one end of the groove and the linear groove is formed as an open end, and the plurality of guide pins can be extracted outward from the open end of the plurality of helical grooves and the linear groove. viewfinder device. 2. A retaining ring holding the lens is disposed in a rotatable guide cylinder, and a plurality of guide pins provided on the outer periphery of the retaining ring are attached to the guide cylinder. A plurality of helical grooves provided in the tube are passed through and the guide tube is fitted into a plurality of straight grooves provided in a fixed state outside the guide tube, and as the guide tube rotates, the plurality of helical grooves and straight grooves are inserted into the guide tube. In a viewfinder device for a video camera configured to move and adjust the lens in the optical axis direction by the feeding action of a plurality of guide pins, the guide tube is directly rotatably supported within the outer casing, and the plurality of guide pins are rotatably supported. 1. A viewfinder device for a video camera, characterized in that a straight groove is provided on the inner periphery of the outer casing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988077993U JPH0619254Y2 (en) | 1988-06-13 | 1988-06-13 | Video camera viewfinder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988077993U JPH0619254Y2 (en) | 1988-06-13 | 1988-06-13 | Video camera viewfinder device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02867U true JPH02867U (en) | 1990-01-05 |
JPH0619254Y2 JPH0619254Y2 (en) | 1994-05-18 |
Family
ID=31302944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988077993U Expired - Lifetime JPH0619254Y2 (en) | 1988-06-13 | 1988-06-13 | Video camera viewfinder device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0619254Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5973877U (en) * | 1982-11-08 | 1984-05-19 | ソニー株式会社 | Video camera viewfinder device |
-
1988
- 1988-06-13 JP JP1988077993U patent/JPH0619254Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5973877U (en) * | 1982-11-08 | 1984-05-19 | ソニー株式会社 | Video camera viewfinder device |
Also Published As
Publication number | Publication date |
---|---|
JPH0619254Y2 (en) | 1994-05-18 |
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