JPH05137043A - Television zoom lens device - Google Patents

Television zoom lens device

Info

Publication number
JPH05137043A
JPH05137043A JP3323786A JP32378691A JPH05137043A JP H05137043 A JPH05137043 A JP H05137043A JP 3323786 A JP3323786 A JP 3323786A JP 32378691 A JP32378691 A JP 32378691A JP H05137043 A JPH05137043 A JP H05137043A
Authority
JP
Japan
Prior art keywords
zoom lens
optical space
space transmission
transmission device
optical
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
JP3323786A
Other languages
Japanese (ja)
Inventor
Yasuhiro Izumi
泰裕 和泉
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP3323786A priority Critical patent/JPH05137043A/en
Publication of JPH05137043A publication Critical patent/JPH05137043A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To easily and surely operate the zoom lens of a TV camera. CONSTITUTION:A zoom servo controller 7 is provided with an optical space transmission device 6 containing a light emitting part 6a, and an optical space transmission device 8 containing a light receiving part 8b is provided on the side face of a zoom lens 1. Thus the signal light is received from the controller 7. Meanwhile a focus servo controller 10 is provided with an optical space transmission device 9 containing a light emitting part 9a, and an optical transmission device 11 containing a light receiving part 11b is provided on the side face of the lens 1. Thus the signal light is received from the controller 10.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、ズームレンズを光空間
伝送手段を介して駆動制御するテレビ用ズームレンズ装
置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television zoom lens device for driving and controlling a zoom lens via an optical space transmitting means.

【0002】[0002]

【従来の技術】従来、テレビカメラを用いて撮影する際
に、カメラマンは手元のズームサーボコントローラやフ
ォーカスサーボコントローラを操作してズームレンズを
駆動制御する。ここで、ズームサーボコントローラやフ
ォーカスサーボコントローラとズームレンズとの間の信
号伝送手段には、コネクタを介して接続したケーブルが
用いられている。
2. Description of the Related Art Conventionally, when taking a picture using a television camera, a cameraman drives and controls a zoom lens by operating a zoom servo controller or a focus servo controller at hand. Here, a cable connected via a connector is used as a signal transmission means between the zoom servo controller or the focus servo controller and the zoom lens.

【0003】[0003]

【発明が解決しようとする課題】しかしながらこの従来
例では、信号伝送手段にコネクタにより接続したケーブ
ルを用いているために、高圧送電線の下での撮影やトラ
ンシーバを用いての撮影では、強電波のノイズによって
ズームレンズが誤作動を起したり、ケーブルやコネクタ
の破損によって、耐久性や信頼性が低下したり、パン棒
を傾ける際にケーブルが巻き付いて撮影の障害になった
りする諸問題が発生している。
However, in this conventional example, since the cable connected to the signal transmitting means by the connector is used, it is possible to use strong radio waves when photographing under a high voltage power line or using a transceiver. Noise may cause malfunction of the zoom lens, damage to cables and connectors may reduce durability and reliability, and may cause problems when shooting because the cable wraps around when tilting the pan. It has occurred.

【0004】本発明の目的は、上述の問題を解消し、信
頼性が高くかつ撮影が容易なテレビ用ズームレンズ装置
を提供することにある。
An object of the present invention is to solve the above-mentioned problems and to provide a zoom lens device for a television which has high reliability and is easy to shoot.

【0005】[0005]

【課題を解決するための手段】上述の目的を達成するた
めの本発明に係るテレビ用ズームレンズ装置は、ズーム
レンズ駆動制御信号伝送手段として、ズームレンズ及び
コントローラーに光空間伝送装置を設けたことを特徴と
するものである。
In a zoom lens device for a television according to the present invention for achieving the above object, an optical space transmission device is provided in a zoom lens and a controller as zoom lens drive control signal transmission means. It is characterized by.

【0006】[0006]

【作用】上述の構成を有するテレビカメラは、ズームレ
ンズの駆動に対する信号伝達手段による光通信を用い
る。
The television camera having the above-mentioned structure uses optical communication by the signal transmitting means for driving the zoom lens.

【0007】[0007]

【実施例】本発明を図示の実施例に基づいて詳細に説明
する。図1は第1の実施例の側面図、図2はその平面図
であり、ズームレンズ1を装着したテレビカメラ2は、
任意の方向操作を行うための2本のパン棒3a、3bを
備えた三脚4によって保持されている。左側パン棒3a
のカメラマン5の手元には、光空間伝送装置6を備えた
ズームサーボコントローラ7が設けられ、発光部6aに
対向するズームレンズ1の左側には、光空間伝送装置8
が受光部8bの方向調整ができるように設けられてい
る。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail based on the illustrated embodiments. FIG. 1 is a side view of the first embodiment, and FIG. 2 is a plan view thereof, and a television camera 2 equipped with a zoom lens 1 is
It is held by a tripod 4 provided with two bread sticks 3a and 3b for performing an arbitrary direction operation. Left bread stick 3a
A zoom servo controller 7 having an optical space transmission device 6 is provided near the cameraman 5, and an optical space transmission device 8 is provided on the left side of the zoom lens 1 facing the light emitting unit 6a.
Are provided so that the direction of the light receiving portion 8b can be adjusted.

【0008】同様に、右側パン棒3bのカメラマン5の
手元には、光空間伝送装置9を有するフォーカスサーボ
コントローラ10が設けられ、発光部9aに対向するズ
ームレンズ1の右側には、光空間伝送装置11が受光部
11bの方向調整ができるように設けられている。
Similarly, a focus servo controller 10 having an optical space transmission device 9 is provided near the cameraman 5 of the right pan rod 3b, and the optical space transmission is provided on the right side of the zoom lens 1 facing the light emitting portion 9a. The device 11 is provided so that the direction of the light receiving portion 11b can be adjusted.

【0009】図3は光空間伝送装置の構成図であり、左
側のサーボコントローラ7で設定された信号は、光空間
伝達装置6内の信号変換器12によって空間伝送に適し
た信号形態に変換されて発光部6aを構成する電気−光
変換器13に送られ、次の送信光学系14によって平行
光に変換されてズームレンズ1側の光空間伝達装置8に
送り出される。ズームレンズ1側に入力した平行光は、
受光部8aを構成する受信光学系15によって集光され
て光−電気変換器16に入力し、再び電気信号に変換さ
れて信号変換器17に入力し、システムに適した信号形
態に変換されてズームレンズ1の制御部に出力される。
FIG. 3 is a block diagram of the optical space transmission apparatus. The signal set by the left servo controller 7 is converted into a signal form suitable for spatial transmission by a signal converter 12 in the optical space transmission apparatus 6. Is sent to the electro-optical converter 13 that constitutes the light emitting section 6a, converted into parallel light by the next transmission optical system 14, and sent to the optical space transmission device 8 on the zoom lens 1 side. The parallel light input to the zoom lens 1 side is
The light is collected by the receiving optical system 15 that constitutes the light receiving unit 8a, is input to the optical-electrical converter 16, is converted into an electric signal again and is input to the signal converter 17, and is converted into a signal form suitable for the system. It is output to the control unit of the zoom lens 1.

【0010】このような構成において、ズームサーボコ
ントローラ7やフォーカスサーボコントローラ10から
の指令信号は、光空間伝送装置6、9によって電気信号
から光信号に変換され、発光部6a、9aから信号光と
して出射される。出射された信号光はズームレンズ1の
側面に設けた光空間伝送装置8、11の受光部8b、1
1bで受光され、光信号から電気信号に変換されてズー
ムレンズ1を駆動する信号となる。
In such a configuration, the command signals from the zoom servo controller 7 and the focus servo controller 10 are converted from electrical signals to optical signals by the optical space transmission devices 6 and 9 and are converted into signal light from the light emitting units 6a and 9a. Is emitted. The emitted signal light is received by the light receiving parts 8b, 1 of the optical space transmission devices 8, 11 provided on the side surface of the zoom lens 1.
The light is received by 1b, converted from an optical signal into an electric signal, and becomes a signal for driving the zoom lens 1.

【0011】図4は第2の実施例の平面図であり、第1
の実施例においてズームレンズ1の両側面に個々に設け
た光空間伝送装置8、11に代えて、共用の光空間伝送
装置13の受光部13bがズームレンズ1の上面に設け
られている。
FIG. 4 is a plan view of the second embodiment.
In the embodiment, instead of the optical space transmission devices 8 and 11 individually provided on both side surfaces of the zoom lens 1, the light receiving portion 13b of the shared optical space transmission device 13 is provided on the upper surface of the zoom lens 1.

【0012】図5は第3の実施例の平面図であり、第1
の実施例の光空間伝送装置6、8、9、11の全てが発
光部6a、8a、9a、11a及び受光部6b、8b、
9b、11bの双方を有するようになっている。従っ
て、双方向の通信が可能になり、ズームサーボコントロ
ーラ7上にはズームインジケータ7a、フォーカスサー
ボコントローラ9上にはフォーカスインジケータ10a
が設けられていて、ズームレンズ1の作動状態が表示さ
れるようになっている。
FIG. 5 is a plan view of the third embodiment.
All of the optical space transmission devices 6, 8, 9, 11 of the embodiment of the present invention include light emitting units 6a, 8a, 9a, 11a and light receiving units 6b, 8b.
It has both 9b and 11b. Therefore, bidirectional communication becomes possible, and the zoom indicator 7a is provided on the zoom servo controller 7 and the focus indicator 10a is provided on the focus servo controller 9.
Is provided, and the operating state of the zoom lens 1 is displayed.

【0013】[0013]

【発明の効果】以上説明したように本発明に係るテレビ
用ズームレンズ装置は、ケーブルやコネクタに代って光
空間伝送装置を使用して指令装置からの信号を伝送する
ため、ケーブルによって影響されてきた強電波ノイズに
よる誤作動、ケーブルの引き廻しによる撮影障害、コン
トローラの取り付けの自由度の制限等がなくなり、しか
も双方向、デジタル通信等が可能になって通信情報量も
拡大することができる。
As described above, since the television zoom lens device according to the present invention uses the optical space transmission device instead of the cable or the connector to transmit the signal from the command device, it is affected by the cable. There is no malfunction due to strong radio wave noise, shooting obstacles due to cable routing, restrictions on the freedom of controller mounting, etc., and bidirectional, digital communication etc. are possible and the amount of communication information can be expanded. .

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

【図1】第1の実施例の側面図である。FIG. 1 is a side view of a first embodiment.

【図2】平面図である。FIG. 2 is a plan view.

【図3】光空間伝送装置の構成図である。FIG. 3 is a configuration diagram of an optical space transmission device.

【図4】第2の実施例の平面図である。FIG. 4 is a plan view of the second embodiment.

【図5】第3の実施例の平面図である。FIG. 5 is a plan view of the third embodiment.

【符号の説明】 1 ズームレンズ 2 テレビカメラ 3a、3b パン棒 6、8、9、11、13 光空間伝送装置[Explanation of reference numerals] 1 zoom lens 2 television camera 3a, 3b pan rod 6, 8, 9, 11, 13 optical space transmission device

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ズームレンズ駆動制御信号伝送手段とし
て、ズームレンズ及びコントローラー側に光空間伝送装
置を設けたことを特徴とするテレビ用ズームレンズ装
置。
1. A zoom lens device for a television, wherein an optical space transmission device is provided on the zoom lens and the controller side as a zoom lens drive control signal transmission means.
JP3323786A 1991-11-12 1991-11-12 Television zoom lens device Pending JPH05137043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3323786A JPH05137043A (en) 1991-11-12 1991-11-12 Television zoom lens device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3323786A JPH05137043A (en) 1991-11-12 1991-11-12 Television zoom lens device

Publications (1)

Publication Number Publication Date
JPH05137043A true JPH05137043A (en) 1993-06-01

Family

ID=18158605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3323786A Pending JPH05137043A (en) 1991-11-12 1991-11-12 Television zoom lens device

Country Status (1)

Country Link
JP (1) JPH05137043A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9167145B2 (en) 2010-04-09 2015-10-20 Canon Kabushiki Kaisha Receiving device for receiving a wireless operation signal for controlling a lens or a camera by a first or a second method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9167145B2 (en) 2010-04-09 2015-10-20 Canon Kabushiki Kaisha Receiving device for receiving a wireless operation signal for controlling a lens or a camera by a first or a second method

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