JP2000131584A - Television camera device - Google Patents

Television camera device

Info

Publication number
JP2000131584A
JP2000131584A JP10305727A JP30572798A JP2000131584A JP 2000131584 A JP2000131584 A JP 2000131584A JP 10305727 A JP10305727 A JP 10305727A JP 30572798 A JP30572798 A JP 30572798A JP 2000131584 A JP2000131584 A JP 2000131584A
Authority
JP
Japan
Prior art keywords
lens
front panel
hole
lens mount
television camera
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
Application number
JP10305727A
Other languages
Japanese (ja)
Inventor
Kenichi Ino
憲一 井野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP10305727A priority Critical patent/JP2000131584A/en
Publication of JP2000131584A publication Critical patent/JP2000131584A/en
Pending legal-status Critical Current

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  • Lens Barrels (AREA)
  • Studio Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a back focus adjusting mechanism of a television camera device by which the adjustment of back focus is facilitated without turning a lens mount. SOLUTION: This back focus adjusting mechanism is constituted of a front panel 10, a lens mount 20, an adjustment ring 30 and a cover panel, and the lens mount 20 where the adjustment ring 30 is screwed to an outer peripheral external thread 20c is inserted into the front panel 10 and abuts on a step 10b, and the through-hole 40d of the cover panel is fitted to the protrusion 10c of the front panel, and also after it is fixed at the screw hole 10d of the front panel through the through-hole 40c, it is fixed to the housing of the television camera device through the screw hole 10f of the side face of the front panel.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明はテレビカメラ装置に
関し、特にバックフォーカス調整機構に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television camera device, and more particularly to a back focus adjusting mechanism.

【0002】[0002]

【従来技術】近年、テレビカメラ装置の撮像素子は撮像
管に代わり個体撮像素子(CCD)が使用されている。
2. Description of the Related Art In recent years, a solid-state image pickup device (CCD) has been used instead of an image pickup tube as an image pickup device of a television camera device.

【0003】CCDを使用する場合、レンズとCDDと
の間隔(バックレングス)を所定の距離に調整する必要
がある。すなわち、バックレングスを所定の距離に正確
に設定することにより、使用するレンズの性能を確保す
ることができる。そのため、このバックフォーカスの調
整は正確且つ容易であることが望まれる。
When using a CCD, it is necessary to adjust the distance (back length) between the lens and the CDD to a predetermined distance. That is, by accurately setting the back length to a predetermined distance, the performance of the lens to be used can be ensured. Therefore, it is desired that this back focus adjustment be accurate and easy.

【0004】従って、適正なバックレングスを設定する
ことにより、レンズ交換した場合にその都度バックレン
グスの調整は不要となる。このようなバックレングスの
調整をバックフォーカスの調整と称す。
Therefore, by setting an appropriate back length, it is not necessary to adjust the back length each time the lens is replaced. Such adjustment of the back length is referred to as back focus adjustment.

【0005】従来、バックフォーカスの調整は、レンズ
マウントを回動し所定のバックレングスに設定した後、
レンズマウントをネジ等によりテレビカメラ装置の筐体
に固定していたため、レンズマウントの回動により、電
動ズームレンズ等のケーブル付のレンズの場合には、テ
レビカメラ装置個々にケーブルに位置が違ったり、ケー
ブルに引っ張られレンズマウントの回動が困難であっ
た。
Conventionally, the back focus is adjusted by rotating a lens mount to set a predetermined back length,
Since the lens mount was fixed to the housing of the TV camera device with screws etc., if the lens mount is rotated, the position of the cable differs for each TV camera device in the case of a lens with a cable such as an electric zoom lens. However, it was difficult to rotate the lens mount because it was pulled by the cable.

【0006】[0006]

【発明が解決しようとする課題】従来のバックフォーカ
スの調整は、レンズマウントを回動し所定のバックレン
グスに設定した後、レンズマウントをネジ等によりテレ
ビカメラ装置の筐体に固定していたため、レンズマウン
トの回動により、電動ズームレンズ等のケーブル付のレ
ンズの場合には、テレビカメラ装置個々にケーブルに位
置が違ったり、ケーブルに引っ張られレンズマウントの
回動が困難であった。
In the conventional back focus adjustment, the lens mount is set to a predetermined back length by rotating the lens mount, and then the lens mount is fixed to the housing of the television camera device by screws or the like. Due to the rotation of the lens mount, in the case of a lens with a cable such as an electric zoom lens, the position of the cable differs for each TV camera device, or the cable is pulled by the cable, making it difficult to rotate the lens mount.

【0007】本発明の目的は、レンズマウントを回動す
ることなくバックフォーカスの調整が容易なテレビカメ
ラ装置のバックフォーカス調整機構を提供することにあ
る。
An object of the present invention is to provide a back focus adjusting mechanism of a television camera device in which the back focus can be easily adjusted without rotating the lens mount.

【0008】[0008]

【課題を解決するための手段】本発明のテレビカメラ装
置は、レンズを介して撮像素子上に結像した光学画像を
電気信号に変換して出力するテレビカメラにおいて、前
記レンズのフランジ面と前記撮像素子との距離をレンズ
またはレンズマウントを回転することなく所定の距離に
調整可能なバックフォーカス調整機構を有することを特
徴とする。
A television camera device according to the present invention is a television camera for converting an optical image formed on an image sensor via a lens into an electric signal and outputting the electric signal. It has a back focus adjustment mechanism that can adjust the distance to the image sensor to a predetermined distance without rotating the lens or the lens mount.

【0009】また、前記バックフォーカス調整機構は、
前記レンズマウントを前記レンズの光軸方向に移動可能
な手段を有することを特徴とする。
Further, the back focus adjusting mechanism includes:
The lens mount is provided with means for moving the lens mount in the optical axis direction of the lens.

【0010】また、前記撮像素子は、プリント基板に実
装され前記バックフォーカス調整機構に含むことを特徴
とする。
The image pickup device is mounted on a printed circuit board and included in the back focus adjustment mechanism.

【0011】また、前記バックフォーカスの調整は、調
整リングを回動することにより行うことを特徴とする。
Further, the back focus is adjusted by rotating an adjustment ring.

【0012】また、レンズを介して撮像素子上に結像し
た光学画像を電気信号に変換して出力するテレビカメラ
において、略方形を呈して中心に円穴を穿ち前記レンズ
の光軸方向に所定の厚さを有し且つ四隅に前記光軸方向
に突出する突出部を設けてなり、前記円穴の内周には前
記突出部側から所定の深さの段差を設け、前記突出部の
端面には少なくとも2つのネジ孔および突起を設けると
共に、前記略方形の側面にはバックフォーカス調整後前
記レンズマウント固定するためのネジ孔を設けたフロン
トパネルと、前記フロントパネルの前記円穴に挿入され
端面が前記段差に当接する円筒状の一端の内周に前記レ
ンズを装着するための雌ネジを設け、他端に所定の深さ
の切り欠き溝を複数設け、且つ外周に雄ネジを設けたレ
ンズマウントと、リング形状を成し内周に前記レンズマ
ウントの外周の雄ネジと蝶合する雌ネジを設け、且つ外
周にナールを設けた調整リングと、前記レンズの光軸を
中心に所定の円穴または角穴を設け、この円穴または角
穴の周囲に前記レンズマウントの切り欠き溝に対向する
複数の切り欠き溝を設け、且つ前記フロントパネルの前
記突出部の端面の前記ネジ孔および前記突起に対向する
第1および第2の貫通孔を設けたカバーパネルとを有
し、外周の前記雄ネジに前記調整リングを蝶合した前記
レンズマウントを前記フロントパネルに挿入して前記段
差に当接し、前記カバーパネルの前記第2の貫通孔を前
記フロントパネルの前記突起に挿嵌し、且つ前記第1の
貫通孔を介して前記フロントパネルの前記ネジ孔に固着
した後、前記フロントパネルを所定の方法で前記テレビ
カメラ装置の筐体に固着するバックフォーカス調整機構
を有することを特徴とする。
In a television camera for converting an optical image formed on an image sensor through a lens into an electric signal and outputting the electric signal, the television camera has a substantially rectangular shape, a circular hole is formed in the center, and a predetermined hole is formed in the optical axis direction of the lens. A projection having a thickness of 4 mm and projecting in the direction of the optical axis at four corners, a step having a predetermined depth from the side of the projection on the inner periphery of the circular hole, and an end face of the projection. A front panel provided with at least two screw holes and projections, a screw hole for fixing the lens mount after back focus adjustment on the substantially rectangular side surface, and a front hole inserted into the circular hole of the front panel. A female screw for mounting the lens was provided on the inner circumference of one end of a cylindrical shape whose end face abuts the step, a plurality of notch grooves having a predetermined depth were provided on the other end, and a male screw was provided on the outer circumference. A lens mount, An adjusting ring having an inner periphery provided with a female screw on the inner periphery that meshes with an external thread on the outer periphery of the lens mount, and having a knurl on the outer periphery; and a predetermined circular hole or corner centered on the optical axis of the lens. A hole is provided, and a plurality of notch grooves are provided around the circular hole or the square hole so as to face the notch grooves of the lens mount, and the screw holes and the protrusions on the end face of the protruding portion of the front panel are provided. A cover panel provided with first and second through-holes, wherein the lens mount, in which the adjusting ring is fitted to the external thread on the outer periphery, is inserted into the front panel to abut the step, and After the second through hole of the cover panel is inserted into the projection of the front panel and fixed to the screw hole of the front panel via the first through hole, the front panel is fixed to a predetermined position. And having a back focus adjustment mechanism for securing to the housing of the television camera apparatus by law.

【0013】また、レンズを介して撮像素子上に結像し
た光学画像を電気信号に変換して出力するテレビカメラ
において、略方形を呈して中心に円穴を穿ち前記レンズ
の光軸方向に所定の厚さを有し且つ四隅に前記光軸方向
に突出する突出部を設けてなり、前記円穴の内周には前
記突出部側から所定の深さの段差を設け、前記突出部の
端面には少なくとも2つのネジ孔および突起を設けると
共に、前記略方形の側面にはバックフォーカス調整後前
記レンズマウント固定するためのネジ孔を設けたフロン
トパネルと、前記フロントパネルの前記円穴に挿入され
端面が前記段差に当接する円筒状の一端の内周に前記レ
ンズを装着するための雌ネジを設け、他端に所定の深さ
の切り欠き溝を複数設け、且つ外周に雄ネジを設けたレ
ンズマウントと、リング形状を成し内周に前記レンズマ
ウントの外周の雄ネジと蝶合する雌ネジを設け、且つ外
周にナールを設けた調整リングと、前記レンズの光軸に
対し直角に前記プリント基板の撮像素子の中心を配設す
ると共に前記撮像素子の前面に所定の方法でフィルタを
配設し、前記プリント基板の周囲に前記レンズマウント
の切り欠き溝に対向する複数の切り欠き溝を設け、且つ
前記フロントパネルの前記端面の前記ネジ孔および前記
突起に対向する第1および第2の貫通孔を設けたカバー
パネルとを有し、外周の前記雄ネジに前記調整リングを
蝶合した前記レンズマウントを前記フロントパネルに挿
入して前記段差に当接し、前記カバーパネルの前記第2
の貫通孔を前記フロントパネルの前記突起に挿嵌し、且
つ前記第1の貫通孔を介して前記フロントパネルの前記
端面の前記ネジ孔に固着した後、前記フロントパネルを
所定の方法で前記テレビカメラ装置の筐体に固着するバ
ックフォーカス調整機構を有することを特徴とする。
In a television camera for converting an optical image formed on an image sensor through a lens into an electric signal and outputting the electric signal, the television camera has a substantially rectangular shape, a circular hole is formed at the center, and a predetermined hole is formed in the optical axis direction of the lens. A projection having a thickness of 4 mm and projecting in the direction of the optical axis at four corners, a step having a predetermined depth from the side of the projection on the inner periphery of the circular hole, and an end face of the projection. A front panel provided with at least two screw holes and projections, a screw hole for fixing the lens mount after back focus adjustment on the substantially rectangular side surface, and a front hole inserted into the circular hole of the front panel. A female screw for mounting the lens was provided on the inner circumference of one end of a cylindrical shape whose end face abuts the step, a plurality of notch grooves having a predetermined depth were provided on the other end, and a male screw was provided on the outer circumference. A lens mount, An adjusting ring having an inner periphery provided with a female screw on the inner periphery to be fitted with a male screw on the outer periphery of the lens mount, and a knurl on the outer periphery, and imaging the printed circuit board at right angles to the optical axis of the lens. Arranging the center of the element and disposing a filter in a predetermined method on the front surface of the imaging element, providing a plurality of notches facing the notch of the lens mount around the printed circuit board, and A cover panel provided with first and second through-holes facing the screw holes and the protrusions on the end face of the front panel, wherein the lens mount has the adjusting ring hinged to the male screw on the outer periphery. The second panel of the cover panel is inserted into the front panel and abuts on the step.
Is inserted into the projection of the front panel, and is fixed to the screw hole on the end face of the front panel via the first through hole. Then, the front panel is attached to the television by a predetermined method. It has a back focus adjustment mechanism that is fixed to the housing of the camera device.

【0014】[0014]

【発明の実施の形態】本発明の実施の形態について図面
を参照して説明する。図1は本発明のバックフォーカス
調整機構の斜視図である。図2は本発明のバックフォー
カス調整機構の分解斜視図である。図3は図2に示すバ
ックフォーカス調整機構の発展例を示す分解斜視図であ
る。
Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of the back focus adjusting mechanism of the present invention. FIG. 2 is an exploded perspective view of the back focus adjustment mechanism of the present invention. FIG. 3 is an exploded perspective view showing a development example of the back focus adjustment mechanism shown in FIG.

【0015】本発明のバックフォーカス調整機構は、図
1に示すように組み立てられ、調整リング30を可動す
ることによりレンズマウント20がレンズ(図示せず)
の光軸方向に前後移動する。
The back focus adjusting mechanism of the present invention is assembled as shown in FIG. 1, and the lens mount 20 is moved by moving the adjusting ring 30 so that the lens (not shown).
Move back and forth in the direction of the optical axis.

【0016】このバックフォーカス調整機構は、図2に
示すように、フロントパネル10は、レンズの光軸方向
に所定の厚さを有する方形を成し、光軸を中心にレンズ
マウントを挿入するための円穴10aを備え、また光軸
方向に突起部10cを備えている。
In this back focus adjusting mechanism, as shown in FIG. 2, the front panel 10 has a rectangular shape having a predetermined thickness in the optical axis direction of the lens, and a lens mount is inserted around the optical axis. And a projection 10c in the optical axis direction.

【0017】円穴10aの内周には突起部10c側から
所定の深さの段差10bを備え、また突起部10cの各
端面にはネジ孔10dと突起10eを備え、更に方形の
側面にはバックフォーカス調整後レンズマウントを固定
するためのネジ孔10fを備えている。
The inner periphery of the circular hole 10a is provided with a step 10b having a predetermined depth from the side of the protrusion 10c, and each end surface of the protrusion 10c is provided with a screw hole 10d and a protrusion 10e. A screw hole 10f for fixing the lens mount after the back focus adjustment is provided.

【0018】レンズマウント20は、円筒形状を成し、
フロントパネル10の円穴10aに挿入され端面が段差
10bに当接する円筒状の一端の内周にレンズを装着す
るための雌ネジ20aを備え、円筒状の他端には所定の
深さの切り欠き溝20bを備え、更に、円筒状のほぼ中
央の外周には雄ネジを備えている。
The lens mount 20 has a cylindrical shape.
A female screw 20a for mounting a lens is provided on the inner periphery of one end of the cylindrical shape which is inserted into the circular hole 10a of the front panel 10 and whose end face abuts on the step 10b. A notch groove 20b is provided, and further, a male screw is provided on the outer periphery of the substantially cylindrical center.

【0019】調整リング30は、リング形状を成し、内
周にレンズマウント20の外周の雄ネジと蝶合する雌ネ
ジを備え、外周にはナール30bを備え、更に、両端面
には調整リングの光軸方向への移動を防止するための固
定手段(図示せず)を備えている。この固定手段は、例
えば調整リングの両端面の任意の位置に突起を設け、フ
ロントパネル10とカバーパネル40により挟持する方
法でも良い。
The adjusting ring 30 has a ring shape, has an inner thread on which an internal thread is engaged with an external thread on the outer periphery of the lens mount 20, an outer periphery provided with a knurl 30b, and an adjusting ring on both end faces. There is provided a fixing means (not shown) for preventing the movement in the optical axis direction. This fixing means may be, for example, a method in which projections are provided at arbitrary positions on both end surfaces of the adjustment ring, and the adjustment ring is held between the front panel 10 and the cover panel 40.

【0020】カバーパネル40は、光軸方向に所定の厚
さを有し光軸を中心に、レンズで収束した被写体の光束
をテレビカメラ本体側に配設されたCCDへ通過させる
ための角穴40aを備え、角穴40aの周囲にはレンズ
マウント20の切り欠き溝20bに対向して切り欠き溝
40bを備えている。
The cover panel 40 has a predetermined thickness in the direction of the optical axis, and has a rectangular hole centered on the optical axis for passing the luminous flux of the subject converged by the lens to the CCD arranged on the television camera body side. The lens mount 20 is provided with a notch groove 40b around the square hole 40a so as to face the notch groove 20b.

【0021】また、フロントパネル10の突起部10c
の端面のネジ孔10dおよび突起10eに対向して貫通
孔40cおよび40dを備えている。
The projection 10c of the front panel 10
Are provided with through holes 40c and 40d opposite to the screw holes 10d and the projections 10e on the end surfaces thereof.

【0022】以上、CCDをテレビカメラ本体側に配設
した場合のバックフォーカス調整機構について説明した
が、CCDをバックフォーカス調整機構の内部に搭載し
ても良い。
In the above, the back focus adjusting mechanism in the case where the CCD is disposed on the television camera body side has been described. However, the CCD may be mounted inside the back focus adjusting mechanism.

【0023】すなわち、CCDを実装したプリン基板を
光軸を中心にカバーパネル40に搭載すると共に、CC
Dの前方にフィルタを搭載することにより実現できる。
That is, the pudding substrate on which the CCD is mounted is mounted on the cover panel 40 around the optical axis, and
This can be realized by mounting a filter in front of D.

【0024】この場合、CCDとテレビカメラ本体側と
の接続は、ケーブルまたはコネクタにより接続すればよ
い。
In this case, the connection between the CCD and the television camera body may be made by a cable or a connector.

【0025】このCCDおよびフィルタの搭載方法の一
例を図3に示す。図3によればカバーパネル40の光軸
方向に突出した円筒の中にフィルタをフィルタ抑え板を
使用して収納し、その後部にラバーを介してCCDを実
装したプリント基板を収納している。
FIG. 3 shows an example of a mounting method of the CCD and the filter. According to FIG. 3, the filter is accommodated in a cylinder protruding in the optical axis direction of the cover panel 40 using a filter suppressing plate, and a printed circuit board on which a CCD is mounted via a rubber is accommodated at the rear thereof.

【0026】次に図2を参照してバックフォーカス調整
機構の組立について説明する。最初に、調整リング30
を切り欠き溝20bの側からレンズマウント20に挿嵌
し、レンズマウント20の雄ネジ20cと調整リング3
0の内周の雌ネジ30aとを蝶合する。
Next, the assembly of the back focus adjusting mechanism will be described with reference to FIG. First, the adjustment ring 30
Is inserted into the lens mount 20 from the side of the notch groove 20b, and the male screw 20c of the lens mount 20 and the adjusting ring 3
The female thread 30a on the inner circumference of the 0 is engaged.

【0027】続いて、レンズマウント20をフロントパ
ネル10の円穴に挿入し、レンズマウント20の端面を
レンズマウント10の段差10bに当接させる。
Subsequently, the lens mount 20 is inserted into the circular hole of the front panel 10, and the end surface of the lens mount 20 is brought into contact with the step 10b of the lens mount 10.

【0028】その後、カバーパネル40の貫通孔40d
をフロントパネル10の突起10eに挿嵌して位置決め
し、最後に貫通孔40cに所定のネジを貫通させフロン
トパネル10のネジ孔10cにカバーパネル40を固着
して、バックフォーカス調整機構を組み立てる。
Thereafter, the through hole 40d of the cover panel 40
Are inserted into the projections 10e of the front panel 10 and positioned. Finally, a predetermined screw is passed through the through hole 40c, and the cover panel 40 is fixed to the screw hole 10c of the front panel 10 to assemble the back focus adjustment mechanism.

【0029】こうして組み立てられたバックフォーカス
調整機構は、フロントパネル10を所定の方法で、テレ
ビカメラの筐体に固着した後、レンズマウント20にレ
ンズを装着する。このテレビカメラの筐体へのフロント
パネル10の固着は、例えばフロントパネルの側面にネ
ジ孔を設けテレビカメラ装置の筐体にネジ止めする方法
でも良い。
The back focus adjustment mechanism assembled in this manner fixes the front panel 10 to the housing of the television camera by a predetermined method, and then mounts the lens on the lens mount 20. The fixing of the front panel 10 to the housing of the television camera may be performed by, for example, providing a screw hole on a side surface of the front panel and screwing the front panel 10 to the housing of the television camera device.

【0030】簡便なバックフォーカスの調整方法は、所
定の被写体を撮像し、テレビモニタに表示される出力画
像信号を監視して行う。
A simple method of adjusting the back focus is to take an image of a predetermined subject and monitor an output image signal displayed on a television monitor.

【0031】レンズの絞りを開放にセツトした後、焦点
距離を無限遠にセットし、テレビモニタに表示される画
像信号が合焦するよう調整リングを回動し、次に焦点距
離を再近距離にセットし、再び調整リングを回動してテ
レビモニタ上の画像信号が合焦するよう調整する。
After setting the aperture of the lens to open, set the focal length to infinity, rotate the adjustment ring so that the image signal displayed on the television monitor is in focus, and then set the focal length to the close range. , And rotate the adjustment ring again so that the image signal on the television monitor is adjusted to be in focus.

【0032】この調整を複数回繰り返し、調整リングを
回動することなく、焦点距離が無限遠と、最近距離のい
ずれの場合においてもテレビモニタ上の画像信号が合焦
したとき、調整リング30の回転止めナット30dを調
整して調整リングをレンズマウント20に固定し、バッ
クフォーカスの調整を終了する。
This adjustment is repeated a plurality of times. When the image signal on the television monitor is in focus at both the infinity and the closest distance without rotating the adjustment ring, the adjustment ring 30 By adjusting the rotation stop nut 30d, the adjustment ring is fixed to the lens mount 20, and the adjustment of the back focus is completed.

【0033】[0033]

【発明の効果】以上説明したように本発明のバックフォ
ーカス調整機構は、レンズマウントの外周に設けた雄ネ
ジに、調整リングの内周に設けた雌ネジを調合し、調整
リングを回動することにより、レンズマウントが光軸方
向に前後移動するので、レンズマウントに蝶合されたレ
ンズの後玉とCCDとの間の距離を容易に調整すること
がでる。
As described above, the back focus adjusting mechanism of the present invention mixes the male screw provided on the outer periphery of the lens mount with the female screw provided on the inner periphery of the adjusting ring, and rotates the adjusting ring. Accordingly, the lens mount moves back and forth in the optical axis direction, so that the distance between the rear lens of the lens hinged to the lens mount and the CCD can be easily adjusted.

【0034】また、レンズマウントが光軸方向に前後移
動しレンズは回転しないので、使用するレンズがズーム
レンズ等のケーブル付であってもバックフォーカス調整
に支障がない。
Further, since the lens mount moves back and forth in the optical axis direction and the lens does not rotate, there is no problem in the back focus adjustment even if the lens to be used has a cable such as a zoom lens.

【0035】また、フロントパネルの段差にレンズマウ
ントの端面が当接することにより、レンズマウントの脱
落を防止することができるので、脱落防止のためのに専
用の部品を必要としない。
Further, since the end surface of the lens mount abuts on the step of the front panel, it is possible to prevent the lens mount from falling off, so that no special component is required for preventing the lens mount from falling off.

【0036】また、簡単な構造であるため、加工工数を
削減でき製造コストを低減を図ることがでる。
Further, since the structure is simple, the number of processing steps can be reduced and the manufacturing cost can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のバックフォーカス調整機構の斜視図で
ある。
FIG. 1 is a perspective view of a back focus adjustment mechanism of the present invention.

【図2】本発明のバックフォーカス調整機構の分解斜視
図である。
FIG. 2 is an exploded perspective view of the back focus adjustment mechanism of the present invention.

【図3】本発明のバックフォーカス調整機構を発展例を
示す分解斜視図である。
FIG. 3 is an exploded perspective view showing a developed example of the back focus adjusting mechanism of the present invention.

【符号の説明】[Explanation of symbols]

10 フロントパネル 10a 円穴 10b 段差 10c 突起部 10d ネジ孔 10e 突起 10f ネジ孔 20 レンズマウント 20a 雌ネジ 20b 切り欠き溝 20c 雄ネジ 30 調整リング 30a 雌ネジ 30b ナール 30c ネジ孔 30d 回転止めナット 40 カバーパネル 40a 角穴 40b 切り欠き溝 40c 貫通孔 40d 貫通孔 DESCRIPTION OF SYMBOLS 10 Front panel 10a Circular hole 10b Step 10c Projection part 10d Screw hole 10e Projection 10f Screw hole 20 Lens mount 20a Female screw 20b Notch groove 20c Male screw 30 Adjustment ring 30a Female screw 30b Knurl 30c Screw hole 30d Rotating nut 40 Cover panel 40a square hole 40b notch groove 40c through hole 40d through hole

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 レンズを介して撮像素子上に結像した光
学画像を電気信号に変換して出力するテレビカメラにお
いて、前記レンズのフランジ面と前記撮像素子との距離
をレンズまたはレンズマウントを回転することなく所定
の距離に調整可能なバックフォーカス調整機構を有する
ことを特徴とするテレビカメラ装置。
1. A television camera for converting an optical image formed on an image sensor via a lens into an electric signal and outputting the electric signal, the distance between the flange surface of the lens and the image sensor being rotated by a lens or a lens mount. A television camera device comprising a back focus adjustment mechanism that can be adjusted to a predetermined distance without performing.
【請求項2】 前記バックフォーカス調整機構は、前記
レンズマウントを前記レンズの光軸方向に移動可能な手
段を有することを特徴とする請求項1記載のテレビカメ
ラ装置。
2. The television camera device according to claim 1, wherein the back focus adjustment mechanism includes a unit that can move the lens mount in an optical axis direction of the lens.
【請求項3】 前記撮像素子は、プリント基板に実装さ
れ前記バックフォーカス調整機構に含むことを特徴とす
る請求項1記載のテレビカメラ装置。
3. The television camera device according to claim 1, wherein the imaging device is mounted on a printed circuit board and included in the back focus adjustment mechanism.
【請求項4】 前記バックフォーカスの調整は、調整リ
ングを回動することにより行うことを特徴とする請求項
1記載のテレビカメラ装置。
4. The television camera device according to claim 1, wherein the adjustment of the back focus is performed by rotating an adjustment ring.
【請求項5】 レンズを介して撮像素子上に結像した光
学画像を電気信号に変換して出力するテレビカメラにお
いて、 略方形を呈して中心に円穴を穿ち前記レンズの光軸方向
に所定の厚さを有し且つ四隅に前記光軸方向に突出する
突出部を設けてなり、前記円穴の内周には前記突出部側
から所定の深さの段差を設け、前記突出部の端面には少
なくとも2つのネジ孔および突起を設けると共に、前記
略方形の側面にはバックフォーカス調整後前記レンズマ
ウント固定するためのネジ孔を設けたフロントパネル
と、 前記フロントパネルの前記円穴に挿入され端面が前記段
差に当接する円筒状の一端の内周に前記レンズを装着す
るための雌ネジを設け、他端に所定の深さの切り欠き溝
を複数設け、且つ外周に雄ネジを設けたレンズマウント
と、 リング形状を成し内周に前記レンズマウントの外周の雄
ネジと蝶合する雌ネジを設け、且つ外周にナールを設け
た調整リングと、 前記レンズの光軸を中心に所定の円穴または角穴を設
け、この円穴または角穴の周囲に前記レンズマウントの
切り欠き溝に対向する複数の切り欠き溝を設け、且つ前
記フロントパネルの前記突出部の端面の前記ネジ孔およ
び前記突起に対向する第1および第2の貫通孔を設けた
カバーパネルとを有し、 外周の前記雄ネジに前記調整リングを蝶合した前記レン
ズマウントを前記フロントパネルに挿入して前記段差に
当接し、前記カバーパネルの前記第2の貫通孔を前記フ
ロントパネルの前記突起に挿嵌し、且つ前記第1の貫通
孔を介して前記フロントパネルの前記ネジ孔に固着した
後、前記フロントパネルを所定の方法で前記テレビカメ
ラ装置の筐体に固着するバックフォーカス調整機構を有
することを特徴とするテレビカメラ装置。
5. A television camera for converting an optical image formed on an image sensor through a lens into an electric signal and outputting the signal, wherein the television image has a substantially rectangular shape, a circular hole is formed in the center, and a predetermined hole is formed in the optical axis direction of the lens. A projection having a thickness of 4 mm and projecting in the direction of the optical axis at four corners, a step having a predetermined depth from the side of the projection on the inner periphery of the circular hole, and an end face of the projection. A front panel provided with at least two screw holes and protrusions, and a screw hole for fixing the lens mount after back focus adjustment on the substantially square side surface, and inserted into the circular hole of the front panel. A female screw for mounting the lens was provided on the inner circumference of one end of a cylindrical shape whose end face abuts the step, a plurality of notch grooves having a predetermined depth were provided on the other end, and a male screw was provided on the outer circumference. Lens mount and phosphorus An adjusting ring having an inner periphery provided with a female screw to be engaged with an outer thread on the outer periphery of the lens mount, and a knurl on the outer periphery; and a predetermined circular hole or corner centered on the optical axis of the lens. A hole is provided, and a plurality of notch grooves are provided around the circular hole or the square hole so as to face the notch grooves of the lens mount, and the screw holes and the protrusions on the end face of the protruding portion of the front panel are provided. A cover panel provided with first and second through-holes, wherein the lens mount in which the adjusting ring is fitted to the external thread on the outer periphery is inserted into the front panel to abut the step, After the second through hole of the cover panel is inserted into the projection of the front panel and fixed to the screw hole of the front panel via the first through hole, the front panel is moved to a predetermined direction. In television camera apparatus characterized by having a back focus adjustment mechanism for securing to the housing of the television camera device.
【請求項6】 レンズを介して撮像素子上に結像した光
学画像を電気信号に変換して出力するテレビカメラにお
いて、 略方形を呈して中心に円穴を穿ち前記レンズの光軸方向
に所定の厚さを有し且つ四隅に前記光軸方向に突出する
突出部を設けてなり、前記円穴の内周には前記突出部側
から所定の深さの段差を設け、前記突出部の端面には少
なくとも2つのネジ孔および突起を設けると共に、前記
略方形の側面にはバックフォーカス調整後前記レンズマ
ウント固定するためのネジ孔を設けたフロントパネル
と、 前記フロントパネルの前記円穴に挿入され端面が前記段
差に当接する円筒状の一端の内周に前記レンズを装着す
るための雌ネジを設け、他端に所定の深さの切り欠き溝
を複数設け、且つ外周に雄ネジを設けたレンズマウント
と、 リング形状を成し内周に前記レンズマウントの外周の雄
ネジと蝶合する雌ネジを設け、且つ外周にナールを設け
た調整リングと、 前記レンズの光軸に対し直角に前記プリント基板の撮像
素子の中心を配設すると共に前記撮像素子の前面に所定
の方法でフィルタを配設し、前記プリント基板の周囲に
前記レンズマウントの切り欠き溝に対向する複数の切り
欠き溝を設け、且つ前記フロントパネルの前記端面の前
記ネジ孔および前記突起に対向する第1および第2の貫
通孔を設けたカバーパネルとを有し、 外周の前記雄ネジに前記調整リングを蝶合した前記レン
ズマウントを前記フロントパネルに挿入して前記段差に
当接し、前記カバーパネルの前記第2の貫通孔を前記フ
ロントパネルの前記突起に挿嵌し、且つ前記第1の貫通
孔を介して前記フロントパネルの前記端面の前記ネジ孔
に固着した後、前記フロントパネルを所定の方法で前記
テレビカメラ装置の筐体に固着するバックフォーカス調
整機構を有することを特徴とするテレビカメラ装置。
6. A television camera for converting an optical image formed on an image sensor through a lens into an electric signal and outputting the electric signal, wherein the television camera has a substantially rectangular shape, a circular hole is formed at the center, and a predetermined hole is formed in the optical axis direction of the lens. A projection having a thickness of 4 mm and projecting in the direction of the optical axis at four corners, a step having a predetermined depth from the side of the projection on the inner periphery of the circular hole, and an end face of the projection. A front panel provided with at least two screw holes and protrusions, and a screw hole for fixing the lens mount after back focus adjustment on the substantially square side surface, and inserted into the circular hole of the front panel. A female screw for mounting the lens was provided on the inner circumference of one end of a cylindrical shape whose end face abuts the step, a plurality of notch grooves having a predetermined depth were provided on the other end, and a male screw was provided on the outer circumference. Lens mount and phosphorus An adjusting ring having a female shape on the inner periphery thereof, which is provided with a female screw to be fitted with an external thread on the outer periphery of the lens mount, and a knurl on the outer periphery; and imaging the printed circuit board at right angles to the optical axis of the lens Arranging the center of the element and disposing a filter in a predetermined method on the front surface of the imaging element, providing a plurality of notches facing the notch of the lens mount around the printed circuit board, and A cover panel provided with first and second through-holes facing the screw holes and the protrusions on the end surface of the front panel, wherein the lens mount has the adjusting ring hinged to the male screw on the outer periphery. The front panel is inserted into the front panel to contact the step, the second through hole of the cover panel is inserted into the projection of the front panel, and the floor panel is inserted through the first through hole. After fixed to the threaded hole of the end face of the Topaneru, television camera apparatus characterized by having a back focus adjustment mechanism for securing the front panel to the housing of the television camera apparatus in a predetermined manner.
JP10305727A 1998-10-27 1998-10-27 Television camera device Pending JP2000131584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10305727A JP2000131584A (en) 1998-10-27 1998-10-27 Television camera device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10305727A JP2000131584A (en) 1998-10-27 1998-10-27 Television camera device

Publications (1)

Publication Number Publication Date
JP2000131584A true JP2000131584A (en) 2000-05-12

Family

ID=17948628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10305727A Pending JP2000131584A (en) 1998-10-27 1998-10-27 Television camera device

Country Status (1)

Country Link
JP (1) JP2000131584A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100340844B1 (en) * 2000-06-28 2002-06-20 구자홍 CCD adjusting apparatus for camera
JP2006145924A (en) * 2004-11-22 2006-06-08 Nikon Corp Optical module
JP2008064942A (en) * 2006-09-06 2008-03-21 Konica Minolta Opto Inc Lens adjustment mechanism and imaging apparatus
TWI464478B (en) * 2010-01-21 2014-12-11 Hon Hai Prec Ind Co Ltd Focusing lens module
CN110908065A (en) * 2019-12-30 2020-03-24 广州长步道光电科技有限公司 Can follow optical axis and rotate anti-disengaging's camera lens structure and imaging device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100340844B1 (en) * 2000-06-28 2002-06-20 구자홍 CCD adjusting apparatus for camera
JP2006145924A (en) * 2004-11-22 2006-06-08 Nikon Corp Optical module
JP2008064942A (en) * 2006-09-06 2008-03-21 Konica Minolta Opto Inc Lens adjustment mechanism and imaging apparatus
TWI464478B (en) * 2010-01-21 2014-12-11 Hon Hai Prec Ind Co Ltd Focusing lens module
CN110908065A (en) * 2019-12-30 2020-03-24 广州长步道光电科技有限公司 Can follow optical axis and rotate anti-disengaging's camera lens structure and imaging device
CN110908065B (en) * 2019-12-30 2023-09-12 湖南长步道光学科技有限公司 Lens structure capable of rotating along optical axis to prevent falling and imaging equipment

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