JPS63237674A - Remote controller for camera - Google Patents
Remote controller for cameraInfo
- Publication number
- JPS63237674A JPS63237674A JP62072087A JP7208787A JPS63237674A JP S63237674 A JPS63237674 A JP S63237674A JP 62072087 A JP62072087 A JP 62072087A JP 7208787 A JP7208787 A JP 7208787A JP S63237674 A JPS63237674 A JP S63237674A
- Authority
- JP
- Japan
- Prior art keywords
- camera
- distance
- signal
- remote
- circuit
- 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
Links
- 238000005259 measurement Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野］
本発明は自動焦点調節機能を備えたカメラにおいて、セ
ルフ撮影に適するカメラのリモコン装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a remote control device for a camera equipped with an automatic focus adjustment function and suitable for self-photography.
［発明の背景］
一般に自動焦点調節機能を備えたカメラでセルフ撮影を
行なう場合、被写体である本人が画面の中心にある測距
ゾーンに正しく位置していないと、被写体にピントを合
わせた撮影が行なえず、測距ゾーンからはずれた位置で
は被写体がボケた写真となる場合がある。そのため、被
写体である本人は常に画面の中心に位置しなければなら
ないことから、構図が単調なものとなりてしまう欠点が
あるとともに、被写体が正しく画面の中心に位置してい
るかどうかの確認も困難であった。[Background of the Invention] Generally, when taking a selfie with a camera equipped with an automatic focus adjustment function, if the subject is not positioned correctly in the focusing zone in the center of the screen, the subject may not be in focus. If this is not possible and the subject is taken at a position outside the distance measurement zone, the subject may be blurred in the photograph. As a result, the subject, the person, must always be positioned at the center of the screen, which has the disadvantage that the composition becomes monotonous, and it is also difficult to confirm whether the subject is correctly positioned at the center of the screen. there were.
［発明の目的］
本発明の目的は、セルフ撮影時には、被写体が測距ゾー
ンに位置しなくても、被写体本人がレリーズ指示を行う
とカメラ側で被写体にピントを自動的に合せることがで
きるようにして上記した欠点を除去できるようにしたカ
メラのリモコン装置を提供せんとするものである。[Object of the Invention] The object of the present invention is to enable the camera to automatically focus on the subject when the subject gives a release instruction even if the subject is not located in the distance measurement zone during self-photography. It is an object of the present invention to provide a remote control device for a camera that can eliminate the above-mentioned drawbacks.
［発明の概要コ
本発明の目的を達成するための要旨は、同一位置から送
出される伝播速度の異なる２つの信号波に応動して自動
焦点調節機能を有するカメラの測距およびレリーズを遠
隔操作するカメラのリモコン装置であって、該測距を動
作させる動作手段は、該２つの信号波の到達時間差によ
り測距するように構成したことを特徴とするカメラのリ
モコン装置にある。[Summary of the Invention] The gist for achieving the object of the present invention is to remotely control distance measurement and release of a camera having an automatic focus adjustment function in response to two signal waves having different propagation velocities transmitted from the same position. The remote control device for a camera is characterized in that the operating means for operating the distance measurement is configured to measure the distance based on the arrival time difference between the two signal waves.
［発明の実施例］
以下本発明を図面に示す実施例に基づいて詳細に説明す
る。[Embodiments of the Invention] The present invention will be described in detail below based on embodiments shown in the drawings.
第１図はリモコン装置の発振器の主要回路のブロック図
、第２図はカメラ本体側の受信部の主要回路のブロック
図である。FIG. 1 is a block diagram of the main circuit of the oscillator of the remote control device, and FIG. 2 is a block diagram of the main circuit of the receiver on the camera body side.
発振器１はセルフ操影時に被写体である本人がカメラに
向けて不図示のスイッチを入れることにより、リモート
レリーズ信号発生回路１−１が動作して近赤外光投光装
置１−２と超音波発生装置１−３を同時に作動させる。When the oscillator 1 turns on a switch (not shown) while facing the camera during self-photography, the remote release signal generating circuit 1-1 operates and generates near-infrared light projector 1-2 and ultrasonic waves. Generators 1-3 are activated simultaneously.
近赤外光投光装置１−２は作動と同時に近赤外光を投光
する装置で、超音波発生装置１−３は作動と同時に超音
波を発生する装置である。The near-infrared light projecting device 1-2 is a device that projects near-infrared light at the same time as it is activated, and the ultrasonic wave generator 1-3 is a device that generates ultrasonic waves at the same time as it is activated.
一方、カメラ本体２における近赤外光受光装置２−１は
近赤外光投光装置１−２からの近赤外光を受光するとあ
る信号Ａを発生し、また超音波受信装置２−２は超音波
発生装置１−２ カ）ら超音波を受信するとある信号Ｂ
を発生するもので、共にその受光面、受信面はカメラの
前方に向けて配置されている。カウント回路２−３は信
号Ａが発生されてから信号Ｂが発生されるまでに、例え
ばクロックパルスをカウントしてその間の時間を算出す
るための回路である。On the other hand, the near-infrared light receiving device 2-1 in the camera body 2 generates a certain signal A when receiving the near-infrared light from the near-infrared light projecting device 1-2, and also generates a certain signal A when the near-infrared light receiving device 2-1 receives the near-infrared light from the near-infrared light projecting device 1-2. is a certain signal B when receiving ultrasonic waves from the ultrasonic generator 1-2 f)
The light-receiving surface and the receiving surface are both placed facing the front of the camera. The count circuit 2-3 is a circuit for counting, for example, clock pulses from the generation of the signal A until the generation of the signal B, and calculates the time in between.
演算回路２−４は、カウント回路２−３によりカウント
された時間をもとに発振器１、すなわち被写体からカメ
ラ本体までの距離を算出する回路である。すなわち超音
波の速度をＶａ、近赤外光の速度をｖｂ、信号Ａを受信
してから信号Ｂを受信するまでの時間をＴとすると、距
ａＶｂ
雛は、Ｖｂ−Ｖａ ×”で算出できる。The arithmetic circuit 2-4 is a circuit that calculates the distance from the oscillator 1, that is, the subject to the camera body, based on the time counted by the counting circuit 2-3. In other words, if the speed of ultrasonic waves is Va, the speed of near-infrared light is vb, and the time from receiving signal A to receiving signal B is T, then the distance aVb chick can be calculated as Vb - Va ×'' .
第１距離情報発生回路２−５は演算回路２−４の演算結
果をある特定な信号形態になおすための回路である。The first distance information generating circuit 2-5 is a circuit for converting the calculation result of the calculation circuit 2-4 into a specific signal form.
測距手段、回路２−６は、カメラ側の通常撮影時に使う
公知の測距手段及び回路である。第２距離情報発生回路
２−７は、測距手段、回路２−６からの距離情報を第１
距離情報発生回路２−５と同じ信号形態になおすための
回路である。The distance measuring means and circuit 2-6 are known distance measuring means and circuits used on the camera side during normal photographing. The second distance information generating circuit 2-7 converts the distance information from the distance measuring means and circuit 2-6 into the first distance information generating circuit 2-7.
This is a circuit for converting the signal into the same signal form as the distance information generating circuit 2-5.
第１信号選択手段２−８は通常撮影時には第２距離情報
発生回路２−７からの信号を次段の自動焦点（ＡＦ）制
御回路２−９に伝え、リモート撮影時には第１距離情報
発生回路２−５からの信号をＡＦ制御回路２−９に伝え
る。The first signal selection means 2-8 transmits the signal from the second distance information generation circuit 2-7 to the next automatic focus (AF) control circuit 2-9 during normal shooting, and the first distance information generation circuit during remote shooting. The signal from 2-5 is transmitted to the AF control circuit 2-9.
第ルリーズ信号発生装置２−１０はＡＦ制御回路２−９
に第１．第２距離情報発生回路２−５．２−７からの信
号が伝達されるとただちに信号Ｃを発生する。第２レリ
ーズ信号発生装置２−１１は、第１．第２距離情報発生
回路２−５．２−７からの信号がＡＦ制御回路２−９に
伝達されると作動状態になりカメラ本体側の不図示のレ
リーズ手段により発生した信号を受け、それにより信号
りを発生する。第２信号選択手段２−１２はリモート撮
影時には信号Ｃを、また通常撮影時には信号りをシーケ
ンス制御回路２−１３に伝えるものである。The Lullize signal generator 2-10 is an AF control circuit 2-9.
1st. Immediately upon receiving the signal from the second distance information generating circuit 2-5.2-7, it generates the signal C. The second release signal generator 2-11 includes the first release signal generator 2-11. When the signal from the second distance information generation circuit 2-5.2-7 is transmitted to the AF control circuit 2-9, it becomes activated and receives the signal generated by the release means (not shown) on the camera body side, and then Generates a signal. The second signal selection means 2-12 transmits the signal C during remote photography and the signal R during normal photography to the sequence control circuit 2-13.
シーケンス制御回路２−１３は信号Ｃあるいは信号りを
受けると、ＡＦ制御回路２−９により不図示のＡＰ機構
を駆動し、さらにその後シャッターの開閉、フィルムの
巻上げなどを行なう。When the sequence control circuit 2-13 receives the signal C or a signal, the AF control circuit 2-9 drives an AP mechanism (not shown), and thereafter opens and closes the shutter, winds the film, etc.
この様な構成にすると、通常の撮影時にはカメラ本体側
の測距手段により測距が行なわれその信号によりＡＦ機
構が制御され、リモート撮影時には超音波と近赤外光の
速度の違いから、カメラ本体とリモート用レリーズ装置
との距離を測りその結果によりＡＦ機構が制御されピン
ト合せが行なわれる。したがってリモート撮影時には被
写体（本人）が測距ゾーンに位置しなくてもカメラ側は
正確なピント合せが行なえるようになる。With this configuration, during normal shooting, the distance is measured by the distance measuring means on the camera body side, and the AF mechanism is controlled by the signal, and during remote shooting, the camera The distance between the main body and the remote release device is measured, and the AF mechanism is controlled based on the result to perform focusing. Therefore, during remote shooting, the camera can perform accurate focusing even if the subject (the person) is not located in the distance measurement zone.
なお、上記した実施例では、近赤外光の投光と超音波の
発生を同時に行うようにしているか超音波の発生を一定
の時間遅らせ、受信部２のカウント回路２−３で算出し
た時間からこの遅れ時間を差し引いて被写体とカメラと
の距離を演算するようにしてもよい。In the above-mentioned embodiment, near-infrared light emission and ultrasonic generation are performed at the same time, or the ultrasonic generation is delayed by a certain period of time, and the time calculated by the counting circuit 2-3 of the receiving section 2 is The distance between the subject and the camera may be calculated by subtracting this delay time from .
また上記実施例では近赤外光と超音波との組合せで説明
したが電波と超音波との組合せでもよい。Furthermore, although the above embodiments have been described using a combination of near-infrared light and ultrasonic waves, a combination of radio waves and ultrasonic waves may also be used.
［発明の効果コ
以上説明したように本発明によれば、リモート撮影時に
被写体側から超音波と近赤外光を発することにより、被
写体までの距離を自動的に測れるので被写体が測距ゾー
ンに位置しなくても正確なピント合せが行なえるので構
図の自由度を広げることができるといった効果が得られ
る。[Effects of the Invention] As explained above, according to the present invention, the distance to the subject can be automatically measured by emitting ultrasonic waves and near-infrared light from the subject side during remote shooting, so that the subject is in the distance measurement zone. Accurate focusing can be performed even when the object is not in the correct position, so the effect is that the degree of freedom in composition can be expanded.
第１図はリモコン装置の発振器の主要回路の一実施例を
示すブロック図、第２図はそのカメラ本体側に設けられ
た受信機の主要回路の一実施例を示すブロック図である
。FIG. 1 is a block diagram showing one embodiment of the main circuit of the oscillator of the remote control device, and FIG. 2 is a block diagram showing one embodiment of the main circuit of the receiver provided on the camera body side.
Claims (1)
に応動して自動焦点調節機能を有するカメラの測距およ
びレリーズを遠隔操作するカメラのリモコン装置であっ
て、該測距を動作させる動作手段は、該２つの信号波の
到達時間差により測距するように構成したことを特徴と
するカメラのリモコン装置。A remote control device for a camera that remotely controls distance measurement and release of a camera having an automatic focus adjustment function in response to two signal waves having different propagation velocities transmitted from the same position, the operation means for operating the distance measurement. A remote control device for a camera, characterized in that it is configured to measure distance based on the arrival time difference between the two signal waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62072087A JPS63237674A (en) | 1987-03-26 | 1987-03-26 | Remote controller for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62072087A JPS63237674A (en) | 1987-03-26 | 1987-03-26 | Remote controller for camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63237674A true JPS63237674A (en) | 1988-10-04 |
Family
ID=13479267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62072087A Pending JPS63237674A (en) | 1987-03-26 | 1987-03-26 | Remote controller for camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63237674A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2229011A (en) * | 1989-02-16 | 1990-09-12 | Asahi Optical Co Ltd | Active AF camera having remote control with single receiver |
| US6466742B1 (en) | 2001-08-22 | 2002-10-15 | Hewlett-Packard Company | Camera remote control |
| JP2015163893A (en) * | 2002-04-15 | 2015-09-10 | クアルコム，インコーポレイテッド | Method and system for obtaining positioning data |
-
1987
- 1987-03-26 JP JP62072087A patent/JPS63237674A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2229011A (en) * | 1989-02-16 | 1990-09-12 | Asahi Optical Co Ltd | Active AF camera having remote control with single receiver |
| US5014080A (en) * | 1989-02-16 | 1991-05-07 | Asahi Kogaku Kogyo Kabushiki Kaisha | Active AF camera having remote control apparatus |
| GB2229011B (en) * | 1989-02-16 | 1993-03-24 | Asahi Optical Co Ltd | Active af camera having remote control apparatus |
| US6466742B1 (en) | 2001-08-22 | 2002-10-15 | Hewlett-Packard Company | Camera remote control |
| JP2015163893A (en) * | 2002-04-15 | 2015-09-10 | クアルコム，インコーポレイテッド | Method and system for obtaining positioning data |
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