JP2002090856A - Camera - Google Patents
CameraInfo
- Publication number
- JP2002090856A JP2002090856A JP2000277376A JP2000277376A JP2002090856A JP 2002090856 A JP2002090856 A JP 2002090856A JP 2000277376 A JP2000277376 A JP 2000277376A JP 2000277376 A JP2000277376 A JP 2000277376A JP 2002090856 A JP2002090856 A JP 2002090856A
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- camera
- imaging unit
- rotating body
- light receiving
- 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
- Viewfinders (AREA)
- Lens Barrels (AREA)
- Cameras In General (AREA)
- Blocking Light For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Studio Devices (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は光学全長を抑えなが
ら画角変更を可能とする機構を備えたカメラに関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera provided with a mechanism capable of changing the angle of view while suppressing the total optical length.
【0002】[0002]
【従来の技術】光学全長を抑え、カメラ厚を薄型化する
ことのできるカメラとして特開平7−318849号公
報を挙げることができる。2. Description of the Related Art Japanese Patent Application Laid-Open No. 7-318849 is an example of a camera capable of reducing the overall optical length and reducing the thickness of the camera.
【0003】[0003]
【発明が解決しようとする課題】しかし、特開平7−3
18849号公報の技術では、画角を変更できない。そ
こで、一般に広く用いられているズーム鏡筒と同じ原理
を導入することによって画角変更機能を実現しようとす
ると、画角変更のためにレンズ間の空気間隔を変化させ
なければならないため、光学系の全長が、単焦点光学系
よりも長くなってしまい、カメラの薄型化というメリッ
トを損なうことになる。However, Japanese Patent Application Laid-Open No. 7-3
With the technique of 18849, the angle of view cannot be changed. Therefore, if an attempt is made to implement the angle-of-view changing function by introducing the same principle as that of a widely used zoom lens barrel, the air space between lenses must be changed in order to change the angle of view. The total length of the camera becomes longer than that of the single focus optical system, which impairs the merit of making the camera thinner.
【0004】また、ピンホールカメラは、光学系が比較
的単純であるというメリットとのトレードオフとして、
画像の歪みなどの収差や周辺光量比などの光学特性が通
常の光学系よりも劣る。しかも画角が変わると、一般に
これらの光学特性は変わってしまうという問題がある。[0004] The pinhole camera has a trade-off with the merit that the optical system is relatively simple.
Optical characteristics such as aberrations such as image distortion and peripheral light amount ratio are inferior to ordinary optical systems. Moreover, when the angle of view changes, these optical characteristics generally change.
【0005】また、鏡筒部としてピンホール光学部を使
用した場合であっても、画角を切り換えると読み込み画
像の品質が変化してしまう問題がある。本発明は、薄型
でありながら画角を変更できるカメラを提供することを
目的とする。Further, even when a pinhole optical section is used as the lens barrel, there is a problem that the quality of a read image changes when the angle of view is switched. An object of the present invention is to provide a camera which can change the angle of view while being thin.
【0006】また、鏡筒部としてピンホール光学部を使
用した場合であっても、画角を切り換えても読み込み画
像の品質が安定しているカメラを提供することを目的と
する。It is another object of the present invention to provide a camera in which the quality of a read image is stable even when the angle of view is switched, even when a pinhole optical unit is used as the lens barrel.
【0007】[0007]
【課題を解決するための手段】本発明のカメラは、撮像
部に対して移動自在の移動体と、画角が異なるとともに
所定間隔おきに前記移動体に取り付けられた複数の鏡筒
部とを設け、前記移動体を移動させて前記撮像部への光
路に介装される鏡筒部を入れ換えるように構成したこと
を特徴とする。According to the present invention, there is provided a camera comprising a movable body movable with respect to an image pickup unit, and a plurality of lens barrels having different angles of view and attached to the movable body at predetermined intervals. Wherein the movable body is moved to replace a lens barrel interposed in an optical path to the imaging unit.
【0008】この構成によると、ズーム鏡筒の原理を導
入しなくても画角を切り換えることができ、薄型化を実
現できる。According to this configuration, the angle of view can be switched without introducing the principle of the zoom lens barrel, and a reduction in thickness can be realized.
【0009】[0009]
【発明の実施の形態】本発明の請求項1記載のカメラ
は、撮像部に対して移動自在の移動体と、画角が異なる
とともに所定間隔おきに前記移動体に取り付けられた複
数の鏡筒部とを設け、前記移動体を移動させて前記撮像
部への光路に介装される鏡筒部を入れ換えるように構成
したことを特徴とする。A camera according to a first aspect of the present invention comprises a movable body movable with respect to an image pickup unit and a plurality of lens barrels having different angles of view and attached to the movable body at predetermined intervals. And a lens unit, which is configured to move the moving body to replace a lens-barrel interposed in an optical path to the imaging unit.
【0010】本発明の請求項2記載のカメラは、撮像部
に対して回転自在に取り付けられた回転体と、画角が異
なるとともに所定角度おきに前記回転体に取り付けられ
た複数の鏡筒部とを設け、前記回転体を回転させて前記
撮像部への光路に介装される鏡筒部を入れ換えるように
構成したことを特徴とする。According to a second aspect of the present invention, there is provided a camera, comprising: a rotating body rotatably attached to an image pickup unit; and a plurality of lens barrels attached to the rotating body at different angles of view and at predetermined intervals. And a configuration in which the rotating body is rotated to replace a lens barrel interposed in an optical path to the imaging unit.
【0011】本発明の請求項3記載のカメラは、請求項
2において、回転体の停止位置を検出する位置検出手段
を設け、位置検出手段の出力に基づいて複数の鏡筒部の
内の何れの鏡筒部が撮像部への光路に介装されるかを識
別して前記撮像部の出力信号の信号処理を制御する演算
処理装置を設けたことを特徴とする。According to a third aspect of the present invention, there is provided the camera according to the second aspect, further comprising a position detecting means for detecting a stop position of the rotating body, and any one of the plurality of lens barrels based on an output of the position detecting means. An arithmetic processing unit is provided for identifying whether or not the lens barrel is interposed in the optical path to the imaging unit and controlling the signal processing of the output signal of the imaging unit.
【0012】本発明の請求項4記載のカメラは、請求項
3において、演算処理装置を、使用中の鏡筒部に応じて
収差補正処理特性または輝度補正処理特性を切り換える
ように構成したことを特徴とする。According to a fourth aspect of the present invention, in the camera of the third aspect, the arithmetic processing unit is configured to switch an aberration correction processing characteristic or a luminance correction processing characteristic according to a lens barrel in use. Features.
【0013】本発明の請求項5記載のカメラは、請求項
2において、撮像部と使用中の鏡筒部の出射側端部との
間の隙間を閉塞する遮光部材を設けたことを特徴とす
る。本発明の請求項6記載のカメラは、請求項2におい
て、撮像部の撮像範囲を鏡筒部の有効結像範囲よりも大
きくするとともに、前記撮像部の出力を読み取って信号
処理して有効結像範囲のデータだけを切り出す演算処理
装置を設けたことを特徴とする。According to a fifth aspect of the present invention, there is provided the camera according to the second aspect, further comprising a light-shielding member for closing a gap between the imaging unit and the emission side end of the lens barrel in use. I do. The camera according to claim 6 of the present invention is the camera according to claim 2, wherein the imaging range of the imaging unit is made larger than the effective imaging range of the lens barrel unit, and the output of the imaging unit is read to perform signal processing to enable effective imaging. An arithmetic processing device for cutting out only data in the image range is provided.
【0014】本発明の請求項7記載のカメラは、請求項
6において、演算処理装置による有効結像範囲のデータ
の切り出しを、鏡筒部の有効結像範囲の大きさに対応し
た開口を有するマスクを設定し、このマスクで撮像部の
撮像範囲を走査して、各位置におけるマスク内の輝度値
の和を計算し、輝度値の和が最大となった位置のマスク
範囲を有効結像範囲として切り出すように構成したこと
を特徴とする。According to a seventh aspect of the present invention, in the camera according to the sixth aspect, the data of the effective imaging range is cut out by the arithmetic processing unit and has an opening corresponding to the size of the effective imaging range of the lens barrel. A mask is set, the imaging range of the imaging unit is scanned with this mask, the sum of the luminance values in the mask at each position is calculated, and the mask range at the position where the sum of the luminance values is the maximum is the effective imaging range. It is characterized by being configured to be cut out.
【0015】本発明の請求項8記載のカメラは、請求項
2において、筐体に、前記撮像部と前記回転体および複
数の前記鏡筒部とを組み込むとともに、前記回転体にフ
ァインダー窓を形成し、ファインダー窓に対応して前記
筐体には接眼用透光窓を形成したことを特徴とする。In a camera according to an eighth aspect of the present invention, in the second aspect, the image pickup section, the rotating body and the plurality of lens barrels are incorporated in a housing, and a finder window is formed in the rotating body. A light-transmitting window for an eyepiece is formed in the housing corresponding to the finder window.
【0016】本発明の請求項9記載のカメラは、請求項
8において、ファインダー窓の大きさを、鏡筒部の画角
に応じて異ならせたことを特徴とする。本発明の請求項
10記載のカメラは、請求項2において、前記撮像部を
扁平状の筐体の内側底部に受光面を上に向けて配設し、
前記回転体が筐体の底部と平行な姿勢で回転する円盤
で、この円盤の筐体の前記底部と対向する面に前記鏡筒
部を取り付け、前記円盤を回転させて撮像部の前記受光
面への光路に介装される鏡筒部を入れ換えることを特徴
とする。According to a ninth aspect of the present invention, there is provided the camera according to the eighth aspect, wherein the size of the finder window is changed according to the angle of view of the lens barrel. The camera according to claim 10 of the present invention is the camera according to claim 2, wherein the image pickup unit is disposed on the inner bottom of the flat casing with the light receiving surface facing upward,
A rotating disk in which the rotating body rotates in a posture parallel to the bottom of the housing; the lens barrel is attached to a surface of the housing of the disk which faces the bottom, and the light receiving surface of the imaging unit is rotated by rotating the disk; The optical system is characterized in that the lens barrel portion interposed in the optical path to the optical path is replaced.
【0017】本発明の請求項11記載のカメラは、請求
項2において、前記撮像部を扁平状の筐体の内側底部に
受光面を上に向けて配設し、前記回転体が筐体の底部と
平行な姿勢で内周面が回転するリングで、このリングの
前記内周面に前記鏡筒部を取り付け、撮像部の受光面の
上方に前記鏡筒部からの光を撮像部の受光面に導く光路
変更手段を設け、前記リングを回転させて撮像部の前記
受光面への光路に介装される鏡筒部を入れ換えるように
構成したことを特徴とする。[0017] In a camera according to an eleventh aspect of the present invention, in the second aspect, the imaging unit is disposed on the inner bottom of the flat casing with the light receiving surface facing upward, and the rotating body is provided on the casing. A ring whose inner peripheral surface rotates in a posture parallel to the bottom. The lens barrel is attached to the inner peripheral surface of the ring, and light from the lens barrel is received by the imaging unit above a light receiving surface of the imaging unit. An optical path changing means for guiding to a surface is provided, and the ring is rotated to replace a lens barrel interposed in an optical path to the light receiving surface of the imaging unit.
【0018】本発明の請求項12記載のカメラは、請求
項2において、前記回転体が前記撮像部を中央にしてそ
の受光面と裏面との方向に回転し、この回転体の前記内
周面に前記鏡筒部を取り付け、前記回転体を回転させて
撮像部の前記受光面への光路に介装される鏡筒部を入れ
換えるように構成したことを特徴とする。According to a twelfth aspect of the present invention, in the camera according to the second aspect, the rotator rotates in a direction of a light receiving surface and a back surface of the rotator with the imaging unit as a center, and the inner peripheral surface of the rotator. The optical system is characterized in that the lens barrel is attached to the camera and the rotating body is rotated to replace the lens barrel interposed in the optical path to the light receiving surface of the imaging unit.
【0019】本発明の請求項13記載のカメラは、請求
項1〜請求項12の何れかにおいて、前記鏡筒部を、ピ
ンホールを第1面とするピンホール光学部としたことを
特徴とする。A camera according to a thirteenth aspect of the present invention is the camera according to any one of the first to twelfth aspects, wherein the lens barrel is a pinhole optical part having a pinhole as a first surface. I do.
【0020】以下、本発明の各実施の形態を図1〜図1
4に基づいて説明する。 (実施の形態1)図1〜図10は本発明の(実施の形態
1)を示す。Hereinafter, embodiments of the present invention will be described with reference to FIGS.
4 will be described. (Embodiment 1) FIGS. 1 to 10 show (Embodiment 1) of the present invention.
【0021】図1(a)(b)に示すように、扁平型
(具体的には、厚みが10mm以下のカード状)のカメ
ラ本体1には、撮像部としてのCCD素子3と演算処理
装置9およびメモリ10などが搭載されたプリント基板
16が内蔵されている。メモリ10に書き込まれた画像
データは通信ケーブルまたはワイヤレスで外部に転送さ
れる。As shown in FIGS. 1A and 1B, a flat (specifically, card-shaped card having a thickness of 10 mm or less) camera body 1 includes a CCD element 3 as an image pickup unit and an arithmetic processing unit. 9 and a printed circuit board 16 on which the memory 10 and the like are mounted. The image data written in the memory 10 is transferred to the outside by a communication cable or wirelessly.
【0022】カメラ本体1の上面部で前記CCD素子3
の受光窓に対向する部分には、開口1aが形成されてい
る。カメラ本体1の底部に基端が回転自在に支持された
回転軸5は、開口1aからカメラ本体1の外部に延設さ
れ、回転軸5の先端には開口1aを覆うように撮像部に
対して回転自在となる回転体4が取り付けられている。
回転体4の裏面には、同一の半径上に所定間隔おきに複
数の鏡筒部2a,2b,2cが設けられている。The CCD 3 is mounted on the upper surface of the camera body 1.
An opening 1a is formed in a portion facing the light receiving window. A rotation shaft 5 whose base end is rotatably supported at the bottom of the camera body 1 extends from the opening 1a to the outside of the camera body 1, and a tip of the rotation shaft 5 is provided to the imaging unit so as to cover the opening 1a. A rotatable body 4 that can rotate freely is attached.
A plurality of lens barrels 2a, 2b, 2c are provided on the back surface of the rotating body 4 at predetermined intervals on the same radius.
【0023】鏡筒部2aは図2に示すように構成されて
いる。鏡筒部2aは、カップ状で底部に開口13aが穿
設され前記回転体4に取り付けられた鏡筒13と、中央
にピンホール12が穿設され前記鏡筒13の上端開口を
閉塞するように取り付けられたピンホール板11と、ピ
ンホール板11の裏面に取り付けられたレンズ14とで
構成されている。鏡筒部2b,2cも鏡筒部2aと同様
に構成されており、鏡筒部2a〜2cは互いのピンホー
ル11の断面形状やレンズ14の形状、材質,レンズ1
4とCCD素子3との距離が異なる。The lens barrel 2a is configured as shown in FIG. The lens barrel 2a has a cup-like shape with an opening 13a drilled at the bottom and attached to the rotating body 4, and a pinhole 12 drilled at the center to close the upper end opening of the lens barrel 13. And a lens 14 attached to the back surface of the pinhole plate 11. The lens barrels 2b and 2c have the same configuration as the lens barrel 2a, and the lens barrels 2a to 2c have the cross-sectional shape of the pinhole 11 and the shape, material,
4 and the CCD element 3 have different distances.
【0024】このように構成したため、回転体4の前記
カメラ本体1の側面から外側へ露出した部分Aに利用者
が指を掛けて回転軸5を中心に回転体4を回動操作する
ことによって、CCD素子3の受光窓の前方に位置する
鏡筒部2a〜2cを入れ換えることができる。With such a configuration, the user puts his / her finger on the portion A of the rotating body 4 exposed to the outside from the side surface of the camera body 1 and rotates the rotating body 4 about the rotating shaft 5 to thereby rotate the rotating body 4. The lens barrels 2a to 2c located in front of the light receiving window of the CCD element 3 can be replaced.
【0025】なお、カメラ本体1の底部には図1(b)
に示すように接眼用透過窓1cが形成されており、回転
体4には鏡筒部2a〜2cの近傍位置に接眼用透過窓1
cに対応してファインダー窓6a〜6cが穿設されてい
る。このファインダー窓6a〜6cの大きさは図3
(a)(b)(c)に詳細を示すようにそれぞれの鏡筒
部2a〜2cの画角に応じた撮影範囲を示す大きさに作
られている。FIG. 1B shows the bottom of the camera body 1.
The eyepiece transmission window 1c is formed in the rotary body 4 at a position near the lens barrels 2a to 2c as shown in FIG.
Finder windows 6a to 6c are formed in correspondence with c. The size of the finder windows 6a to 6c is shown in FIG.
As shown in detail in (a), (b), and (c), each of the lens barrels 2a to 2c has a size indicating a shooting range corresponding to the angle of view.
【0026】鏡筒部2a〜2cの何れかがCCD素子3
の受光窓の前方位置でクリック停止できるように、回転
体4の裏面側には図1および図4(a)(b)(c)に
示すように前記回転軸5を中央にして互いに異なる半径
r1,r2,r3上にクリック機構17a〜17cが設
けられている。One of the lens barrels 2a to 2c is a CCD element 3
1 and 4 (a), (b), and (c), different radii from the center of the rotation shaft 5 as shown in FIGS. Click mechanisms 17a to 17c are provided on r1, r2, and r3.
【0027】クリック機構17aは図5(a)(b)に
示すように回転体4の裏面に形成された凹部30とその
内側に仕組まれたボール18aとこのボール18aを前
記カメラ本体1における前記回転体4の対向部分に押し
出す圧縮バネ19とで構成されている。鏡筒部2aがC
CD素子3の受光窓の前方位置で停止した状態でボール
18aが係合するように前記カメラ本体1における前記
回転体4の対向部分には図5(b)に示すように凹部2
0aが形成されている。As shown in FIGS. 5A and 5B, the click mechanism 17a includes a concave portion 30 formed on the back surface of the rotating body 4, a ball 18a formed inside the concave portion 30, and the ball 18a. And a compression spring 19 that pushes out the opposing portion of the rotating body 4. The lens barrel 2a is C
As shown in FIG. 5 (b), a concave portion 2 is formed in a portion of the camera body 1 facing the rotating body 4 so that the ball 18a is engaged in a state where the ball 18a is stopped in front of the light receiving window of the CD element 3.
0a is formed.
【0028】クリック機構17b,17cもクリック機
構17aと同様に構成されており、前記カメラ本体1に
おける前記回転体4の対向部分には図4(d)に示すよ
うに、鏡筒部2bがCCD素子3の受光窓の前方位置で
停止した状態でクリック機構17bのボール18bが係
合するように凹部20bが形成され、鏡筒部2cがCC
D素子3の受光窓の前方位置で停止した状態でクリック
機構17cのボール18cが係合するように凹部20c
が形成されている。さらに、各凹部20a〜20cの底
部にはスイッチ21a,21b,21cを設け、スイッ
チ21a〜21cの検出状態を検出すれば鏡筒部2a〜
2cの何れがCCD素子3の受光窓の前方位置で停止し
ているかを確認できる。The click mechanisms 17b and 17c have the same structure as the click mechanism 17a. A lens barrel 2b is provided at the portion of the camera body 1 facing the rotating body 4 as shown in FIG. A recess 20b is formed so that the ball 18b of the click mechanism 17b is engaged with the lens barrel 2c stopped at a position in front of the light receiving window of the element 3, and the lens barrel 2c is connected to the CC.
The recess 20c is engaged with the ball 18c of the click mechanism 17c while stopped at a position in front of the light receiving window of the D element 3.
Are formed. Further, switches 21a, 21b, and 21c are provided at the bottom of each of the recesses 20a to 20c, and when the detection state of the switches 21a to 21c is detected, the lens barrels 2a to 2c are provided.
It can be confirmed which of 2c is stopped at a position in front of the light receiving window of the CCD element 3.
【0029】具体的には、鏡筒部2aがCCD素子3の
受光窓の前方位置で停止した状態ではスイッチ21aが
ボール18aの係合を検出し、スイッチ21b,21c
はボール18b,18cの係合を検出していない。鏡筒
部2bがCCD素子3の受光窓の前方位置で停止した状
態ではスイッチ21bがボール18bの係合を検出し、
スイッチ21a,21cはボール18a,18cの係合
を検出していない。鏡筒部2cがCCD素子3の受光窓
の前方位置で停止した状態ではスイッチ21cがボール
18cの係合を検出し、スイッチ21a,21bはボー
ル18a,18bの係合を検出していない。Specifically, when the lens barrel 2a is stopped at a position in front of the light receiving window of the CCD element 3, the switch 21a detects the engagement of the ball 18a, and the switches 21b, 21c
Does not detect the engagement of the balls 18b and 18c. When the lens barrel 2b is stopped at a position in front of the light receiving window of the CCD element 3, the switch 21b detects the engagement of the ball 18b,
The switches 21a and 21c do not detect the engagement of the balls 18a and 18c. When the lens barrel 2c is stopped at a position in front of the light receiving window of the CCD element 3, the switch 21c detects the engagement of the ball 18c, and the switches 21a and 21b do not detect the engagement of the balls 18a and 18b.
【0030】図6に示すように演算処理装置9は、スイ
ッチ21a〜21cの出力状態からCCD素子3の受光
窓の前方位置で停止している鏡筒部が鏡筒部2a〜2c
の何れであるかを認識して、その画角に応じてCCD素
子3の出力信号の収差や周辺光量比の落ち込みを補正処
理してメモリ10に書き込む。As shown in FIG. 6, the arithmetic processing unit 9 determines that the lens barrels stopped at the position in front of the light receiving window of the CCD element 3 from the output states of the switches 21a to 21c are the lens barrels 2a to 2c.
Is recognized, and the aberration of the output signal of the CCD element 3 and the fall of the peripheral light amount ratio are corrected according to the angle of view and written into the memory 10.
【0031】具体的には、図7(a)に示すように糸巻
き形の歪みを伴っている鏡筒部の画像については、演算
処理装置9は図7(b)に示すように予め決められた幾
何変換を実施して読み取り画像の補正を実行する。More specifically, as shown in FIG. 7A, for the image of the lens barrel with pincushion distortion as shown in FIG. 7A, the arithmetic processing unit 9 is predetermined as shown in FIG. 7B. The read image is corrected by performing the geometric transformation.
【0032】図7(c)に示すように樽形の歪みを伴っ
ている鏡筒部の画像については、演算処理装置9は図7
(d)に示すように予め決められた幾何変換を実施す
る。なお、この予め決められた幾何変換は色別(RGB
の色成分)毎に実施するように構成されており、色収差
および歪曲収差を補正し、像の歪みや色ずれの無い画像
をメモリ10に書き込むように構成されている。As shown in FIG. 7C, for the image of the lens barrel with barrel distortion, the processing unit 9
A predetermined geometric transformation is performed as shown in (d). Note that the predetermined geometric transformation is performed by color (RGB
Chromatic aberration and distortion are corrected, and an image free of image distortion and color shift is written to the memory 10.
【0033】さらに演算処理装置9では、図8(a)ま
たは(c)に示すように中央部の光量を100%として
その周辺部に通過光量にバラツキがある鏡筒部の画像に
ついては、演算処理装置9は予め決められた輝度変換を
実施して図8(b)または(d)に示すように画面中に
おける輝度のバラツキを補正する。Further, in the arithmetic processing unit 9, as shown in FIG. 8 (a) or (c), the light amount at the central portion is set to 100%, and the image of the lens barrel portion where the transmitted light amount varies at the peripheral portion is calculated. The processing device 9 performs a predetermined brightness conversion to correct the variation in the brightness in the screen as shown in FIG. 8B or 8D.
【0034】更に具体的には、画像中央部に達する光量
に対する画像周辺部の座標(x,y)に達する光量の比
率(周辺光量比)の関数r(x,y)を各鏡筒部ごとに
予め求めておき、この関数に基づいてCCD素子3から
得られた画像の輝度値をB(x,y)を、B’(x,
y)=B(x,y)/r(x,y)によって補正する。More specifically, a function r (x, y) of a ratio (peripheral light amount ratio) of the light amount reaching the coordinates (x, y) of the peripheral portion of the image to the light amount reaching the central portion of the image is calculated for each lens barrel. , And the brightness value of the image obtained from the CCD element 3 based on this function is B (x, y), and B ′ (x,
y) = B (x, y) / r (x, y).
【0035】このように構成したため、利用者が回転体
4を回動させて接眼用透過窓1cからファインダー窓6
a〜6cを通して被写体を覗いて、適当な画角の鏡筒部
を選択すると、演算処理装置9が選択された鏡筒部を認
識して、鏡筒部2a〜2cの固有の収差や輝度むらを自
動補正するので、構造が単純で、かつ薄型化が可能なピ
ンホール光学部を採用した場合であっても、良好な画像
を得ることができる。With this configuration, the user rotates the rotating body 4 to move the eyepiece transmission window 1c to the viewfinder window 6c.
When the user looks into the subject through a to 6c and selects a lens barrel having an appropriate angle of view, the arithmetic processing unit 9 recognizes the selected lens barrel and recognizes the unique aberrations and brightness unevenness of the lens barrels 2a to 2c. Is automatically corrected, so that a good image can be obtained even when a pinhole optical unit having a simple structure and capable of being thinned is adopted.
【0036】なお、図2に示すようにCCD素子3と鏡
筒部2a〜2cとの間の隙間には、緩衝部材15が介在
しており、隙間から不要光がCCD素子3に入射しない
ように構成されている。具体的には、CCD素子3の受
光窓の周囲に緩衝部材15が設けられており、鏡筒部が
入れ換わる際に緩衝部材15に引っかからないように鏡
筒部2a〜2cの出射側の端面の角部は、面取りされて
いる。As shown in FIG. 2, a buffer member 15 is interposed between the CCD element 3 and the lens barrels 2a to 2c to prevent unnecessary light from entering the CCD element 3 from the gap. Is configured. More specifically, a buffer member 15 is provided around the light receiving window of the CCD element 3, and the emission side end faces of the barrel sections 2 a to 2 c so as not to be caught by the buffer member 15 when the barrel sections are replaced. Are chamfered.
【0037】なお、前記クリック機構17a〜17cと
凹部20a〜20cを設けたので、回転体4を操作して
前記CCD素子3の撮像範囲のほぼ中心に鏡筒部2a〜
2cの何れかの中心を一致させて停止させることができ
るが、CCD素子3の撮像範囲は鏡筒部2a〜2cの有
効結像範囲よりも大きく設定することによって、鏡筒部
2a〜2cの停止位置が僅かにずれても画像の欠けなく
読み取ることができる。Since the click mechanisms 17a to 17c and the recesses 20a to 20c are provided, the rotating body 4 is operated so that the lens barrels 2a to 2c are located substantially at the center of the imaging range of the CCD element 3.
The center of any one of the lens barrels 2a to 2c can be stopped, but the imaging range of the CCD element 3 is set to be larger than the effective imaging range of the lens barrels 2a to 2c so that the lens barrels 2a to 2c can be stopped. Even if the stop position is slightly deviated, the image can be read without missing the image.
【0038】具体的には、図9(b)の31はCCD素
子3の撮像範囲を示し、図9(a)に示すように鏡筒部
2aの中心がCCD素子3の撮像範囲31の中心に一致
した停止位置S0での鏡筒部2aの有効結像範囲32−
0は、CCD素子3の撮像範囲31よりも小さい。鏡筒
部2aの中心がCCD素子3の撮像範囲31の中心に対
して図9(a)に示す停止位置SAまたはSBに僅かに
位置ずれして停止した場合のそれぞれの有効結像範囲3
2−A,32−Bも図9(b)に示すようにCCD素子
3の撮像範囲31に収まるように構成されている。More specifically, reference numeral 31 in FIG. 9B indicates an imaging range of the CCD element 3, and the center of the lens barrel 2 a is located at the center of the imaging range 31 of the CCD element 3 as shown in FIG. The effective imaging range 32- of the lens barrel 2a at the stop position S0 that matches
0 is smaller than the imaging range 31 of the CCD element 3. Each effective imaging range 3 when the center of the lens barrel 2a is slightly shifted from the center of the imaging range 31 of the CCD element 3 to the stop position SA or SB shown in FIG.
2-A and 32-B are also configured to be within the imaging range 31 of the CCD element 3 as shown in FIG.
【0039】このようにCCD素子3の撮像範囲は鏡筒
部2a〜2cの有効結像範囲よりも大きく設定した場合
の前記演算処理装置9による読み出しの具体的な構成を
示す。A specific configuration of reading by the arithmetic processing unit 9 when the imaging range of the CCD element 3 is set to be larger than the effective imaging range of the lens barrels 2a to 2c is shown.
【0040】演算処理装置9は図10(b)に示すステ
ップS1で有効結像範囲の大きさのマスク33を設定す
る。ステップS2では図10(a)に示すCCD素子3
の撮像範囲31内の初期位置におけるマスク33内の輝
度の和を算出し、ステップS3でCCD素子3の撮像範
囲31内におけるマスク33の位置を次の位置に移動さ
せ、ステップS4ではマスク33の位置の移動が完了し
たかどうかを判定し、ステップS2〜ステップS4を繰
り返し実行してCCD素子3の撮像範囲31内の輝度デ
ータを収集し、ステップS5ではマスク33内の輝度の
和の最大値をとるマスク位置が有効結像範囲と決定し
て、演算処理装置9はCCD素子3の撮像範囲31内の
ステップS5で決定された位置のマスク33の範囲内の
画像を読み取るように構成されている。The processing unit 9 sets a mask 33 having the size of the effective image forming range in step S1 shown in FIG. In step S2, the CCD element 3 shown in FIG.
Of the mask 33 at the initial position in the imaging range 31 is calculated, the position of the mask 33 in the imaging range 31 of the CCD element 3 is moved to the next position in step S3, and the position of the mask 33 is shifted in step S4. It is determined whether or not the movement of the position has been completed, and steps S2 to S4 are repeatedly executed to collect luminance data in the imaging range 31 of the CCD element 3. In step S5, the maximum value of the sum of luminance in the mask 33 is obtained. Is determined as the effective imaging range, and the arithmetic processing unit 9 is configured to read the image within the range of the mask 33 at the position determined in step S5 within the imaging range 31 of the CCD element 3. I have.
【0041】したがって、CCD素子3の撮像範囲31
の中心に対する鏡筒部2a〜2cの中心の停止位置がS
AまたはSBに僅かに位置ずれして停止した場合であっ
ても、CCD素子3の撮像範囲31から有効結像範囲の
画像だけを切り出して読み取ることができるので、回転
体4の位置決め精度が緩くても良好な出力画像が得られ
る。Therefore, the imaging range 31 of the CCD 3
The stop position of the center of the lens barrels 2a to 2c with respect to the center of
Even in the case where the position is slightly shifted to A or SB and stopped, since only the image in the effective imaging range can be cut out from the imaging range 31 of the CCD element 3 and read, the positioning accuracy of the rotating body 4 is loose. Thus, a good output image can be obtained.
【0042】なお、演算処理装置9はCCD素子3の出
力信号の収差の補正と周辺光量比の落ち込み補正ならび
に有効結像範囲の画像だけを切り出して読み取る処理と
を実施したが、何れかの補正を実行するだけでも幾分の
画質の改善を期待できる。The arithmetic processing unit 9 performs the correction of the aberration of the output signal of the CCD element 3, the correction of the fall of the peripheral light amount ratio, and the processing of cutting out and reading only the image in the effective image forming range. Can be expected to improve image quality somewhat.
【0043】(実施の形態2)図11と図12は本発明
の(実施の形態2)を示し、(実施の形態1)と同様の
作用をなすものには同一の符号を付けて説明する。(Embodiment 2) FIGS. 11 and 12 show (Embodiment 2) of the present invention, in which components having the same functions as those of (Embodiment 1) are denoted by the same reference numerals. .
【0044】この(実施の形態2)では鏡筒部2a〜2
cの内部で光軸を折り曲げるように構成されており、回
転体4に対する鏡筒部2a〜2cの取り付けの向きが
(実施の形態1)とは異なっている。それに伴い(実施
の形態1)に設けられていた接眼用透過窓1cならびに
ファインダー窓6a〜6cは存在していない。In this (Embodiment 2), the lens barrels 2a-2
The optical axis is bent inside c, and the mounting direction of the lens barrels 2a to 2c with respect to the rotating body 4 is different from that of the first embodiment. Accordingly, the eyepiece transmission window 1c and the finder windows 6a to 6c provided in (Embodiment 1) are not present.
【0045】鏡筒部2a〜2cはレンズ14と光路変更
手段としてのミラー22とで構成されており、回転体4
の外周面にピンホール12が穿設されて構成されてい
る。その他の構成は(実施の形態1)と同じである。The lens barrels 2a to 2c are composed of a lens 14 and a mirror 22 as an optical path changing means.
And a pinhole 12 is formed in the outer peripheral surface of the. Other configurations are the same as those of the first embodiment.
【0046】なお、ここでは鏡筒部2a〜2cにピンホ
ール光学部を用いた場合を示したが、鏡筒部2a〜2c
の光学系はこれに限定されるものではない。 (実施の形態3)図13(a)(b)は本発明の(実施
の形態3)を示す。(実施の形態1)(実施の形態2)
と同様の作用をなすものには同一の符号を付けて説明す
る。Although the case where a pinhole optical section is used for the lens barrels 2a to 2c is shown here, the lens barrels 2a to 2c are used.
Is not limited to this. (Embodiment 3) FIGS. 13A and 13B show (Embodiment 3) of the present invention. (Embodiment 1) (Embodiment 2)
The components having the same functions as those described above will be described with the same reference numerals.
【0047】(実施の形態1)(実施の形態2)では鏡
筒部2a〜2cが取り付けられた回転体4が、回転軸5
で支持されて回動自在に構成されていたが、この(実施
の形態3)では、鏡筒部2a〜2cが取り付けられたス
ライド板34はカメラ本体1に形成された溝35に沿っ
てスライド自在に構成されており、スライド板34を移
動させてCCD素子3の受光窓の前方に位置する鏡筒部
を入れ換えるように構成されている。図13(a)
(b)では鏡筒部2bがCCD素子3の受光窓の前方に
位置している。(Embodiment 1) In Embodiment 2, the rotating body 4 to which the lens barrels 2a to 2c are attached is a rotating shaft 5
In this (Embodiment 3), the slide plate 34 to which the lens barrels 2a to 2c are attached slides along a groove 35 formed in the camera body 1. It is configured such that the slide plate 34 is moved to replace the lens barrel located in front of the light receiving window of the CCD element 3. FIG. 13 (a)
In (b), the lens barrel 2b is located in front of the light receiving window of the CCD element 3.
【0048】なお、鏡筒部2a〜2cの要部の構造は
(実施の形態1)と同一の構成または(実施の形態2)
の場合と同様にこの(実施の形態3)ではスライド板3
4にピンホールを形成した構成、あるいは図13(c)
に示すようにレンズ36,37と絞り板38とで構成す
ることもできる。The structure of the main part of the lens barrels 2a to 2c is the same as that of the first embodiment or the second embodiment.
In this (Embodiment 3), the slide plate 3
4 with pinholes formed, or FIG.
As shown in (1), the lens 36, 37 and the aperture plate 38 may be used.
【0049】(実施の形態4)図14(a)〜(f)は
本発明の(実施の形態4)を示す。(実施の形態1)
(実施の形態2)と同様の作用をなすものには同一の符
号を付けて説明する。(Embodiment 4) FIGS. 14A to 14F show (Embodiment 4) of the present invention. (Embodiment 1)
Components having the same functions as those of the second embodiment will be described with the same reference numerals.
【0050】上記の各実施の形態のカメラ本体1は扁平
状であったが、この(実施の形態4)ではカメラ本体1
が筒状に形成されている。カメラ本体1の端部には、図
14(a)〜(c)に示すようにCCD素子3を内蔵し
た筒状の遮光部材39が形成されている。CCD素子3
は受光窓を遮光部材39の周面に向けて取り付けられて
おり、CCD素子3の受光窓に対応して遮光部材39に
窓40が穿設されている。窓40の周りには緩衝部材1
5が張り付けられている。鏡筒部が入れ換わる際に緩衝
部材15に引っかからないように鏡筒部2a〜2cの出
射側の端面の角部は、面取りされている。Although the camera body 1 in each of the above embodiments has a flat shape, in this (Embodiment 4) the camera body 1
Are formed in a cylindrical shape. As shown in FIGS. 14A to 14C, a cylindrical light-blocking member 39 containing the CCD element 3 is formed at an end of the camera body 1. CCD element 3
The light receiving window is attached with the light receiving window facing the peripheral surface of the light shielding member 39, and a window 40 is formed in the light shielding member 39 corresponding to the light receiving window of the CCD element 3. The cushioning member 1 is provided around the window 40.
5 is attached. The corners of the emission-side end surfaces of the lens barrels 2a to 2c are chamfered so as not to be caught by the buffer member 15 when the lens barrels are replaced.
【0051】この遮光部材39の外側には図14(d)
〜(f)に示すように鏡筒部2a〜2cが取り付けられ
たカップ状の回転体41が回動自在にカメラ本体1に前
記遮光部材39と同軸上に取り付けられている。回転体
41の周面には鏡筒部2a〜2cの取り付け位置にそれ
ぞれピンホール12が穿設されている。FIG. 14D shows the outer side of the light shielding member 39.
As shown in (f), a cup-shaped rotating body 41 to which the lens barrels 2a to 2c are attached is rotatably mounted on the camera body 1 coaxially with the light shielding member 39. Pinholes 12 are formed in the peripheral surface of the rotating body 41 at positions where the lens barrels 2a to 2c are mounted.
【0052】このように構成したため、カメラ本体1に
対して回転体41を回転させることによって、CCD素
子3の受光窓の前方に位置する鏡筒部を入れ換えること
ができ、目的の画角で撮影できる。With this configuration, by rotating the rotating body 41 with respect to the camera body 1, the lens barrel portion located in front of the light receiving window of the CCD element 3 can be replaced, and photographing is performed at a desired angle of view. it can.
【0053】[0053]
【発明の効果】以上のように本発明のカメラは、撮像部
に対して移動自在の移動体もしくは回転区自在の回転体
と、画角が異なるとともに所定間隔おきに前記移動体に
取り付けられた複数の鏡筒部とを設け、前記移動体を移
動させて前記撮像部への光路に介装される鏡筒部を入れ
換えるように構成したため、ズーム鏡筒の原理を導入し
なくても画角を切り換えることができ、薄型化を実現で
きる。As described above, the camera according to the present invention is attached to the moving body with a different angle of view and at predetermined intervals from a moving body or a rotating body freely movable with respect to the imaging unit. A plurality of lens barrels are provided, and the moving body is moved so that the lens barrels interposed in the optical path to the imaging unit are exchanged, so that the angle of view can be achieved without introducing the principle of a zoom lens barrel. Can be switched, and the thickness can be reduced.
【0054】また、前記鏡筒部として鏡筒部を使用する
ことによってより一層の薄型化を実現できる。また、前
記回転体の停止位置を検出する位置検出手段の出力に基
づいて複数の鏡筒部の内の何れの鏡筒部が撮像部への光
路に介装されるかを識別して撮像部の出力信号の信号処
理を制御する演算処理装置を設けることによって、使用
する鏡筒部に応じた画像処理を行うことができ、画角の
異なる別の鏡筒部に切り換わった場合であっても画像の
品質を維持できる。Further, by using a lens barrel as the lens barrel, further reduction in thickness can be realized. Further, based on the output of the position detecting means for detecting the stop position of the rotating body, the imaging unit identifies which of the plurality of lens units is interposed in the optical path to the imaging unit. By providing an arithmetic processing unit that controls the signal processing of the output signal of the above, it is possible to perform image processing according to the lens barrel used, and to switch to another lens barrel having a different angle of view. Can also maintain image quality.
【0055】また、前記演算処理装置を、使用中の鏡筒
部に応じて収差補正処理特性または輝度補正処理特性を
切り換えることによって、画角の異なる別の鏡筒部に切
り換わった場合であっても画像の品質を維持できる。Further, the arithmetic processing device is switched to another lens barrel having a different angle of view by switching the aberration correction processing characteristic or the luminance correction processing characteristic according to the lens barrel in use. Image quality can be maintained.
【0056】また、撮像部と使用中の鏡筒部の出射側端
部との間の隙間を閉塞する遮光部材を設けることによっ
て不要光の入射が無く良好な撮像を実現できる。また、
前記撮像部の撮像範囲を鏡筒部の有効結像範囲よりも大
きくするとともに、演算処理装置は撮像部の出力を読み
取って信号処理して有効結像範囲のデータだけを切り出
すように構成することによって、適正な読み出しを行え
る。Further, by providing a light-blocking member for closing a gap between the imaging section and the exit side end of the lens barrel in use, it is possible to realize good imaging without unnecessary light incidence. Also,
The imaging range of the imaging unit is made larger than the effective imaging range of the lens barrel unit, and the arithmetic processing unit reads the output of the imaging unit, performs signal processing, and cuts out only the data of the effective imaging range. Thus, proper reading can be performed.
【0057】また、演算処理装置による有効結像範囲の
データの切り出しを、鏡筒部の有効結像範囲の大きさに
対応した開口を有するマスクを設定し、このマスクで撮
像部の撮像範囲を走査して、各位置におけるマスク内の
輝度値の和を計算し、輝度値の和が最大となった位置の
マスク範囲を有効結像範囲として切り出すように構成す
ることによって、有効結像範囲のデータだけを切り出す
ことができる。Further, the data of the effective imaging range is cut out by the arithmetic processing unit by setting a mask having an opening corresponding to the size of the effective imaging range of the lens barrel. By scanning, the sum of the luminance values in the mask at each position is calculated, and the mask range at the position where the sum of the luminance values is the maximum is cut out as the effective imaging range, whereby the effective imaging range is calculated. Only data can be cut out.
【0058】また、筐体に、前記撮像部と前記回転体お
よび複数の前記鏡筒部とを組み込むとともに、前記回転
体にファインダー窓を形成し、ファインダー窓に対応し
て前記筐体には接眼用透光窓を形成することによって、
正確に被写体を捉えることができる。Further, the imaging unit, the rotating body and the plurality of lens barrels are incorporated in the housing, and a finder window is formed in the rotating body, and an eyepiece is provided on the housing corresponding to the finder window. By forming a translucent window for
The subject can be accurately captured.
【0059】また、ファインダー窓の大きさを、鏡筒部
の画角に応じて異ならせることによって、適正な画角を
選択して正確に被写体を捉えることができる。また、前
記撮像部を扁平状の筐体の内側底部に受光面を上に向け
て配設し、前記回転体が筐体の底部と平行な姿勢で回転
する円盤で、この円盤の筐体の前記底部と対向する面に
前記鏡筒部を取り付け、前記円盤を回転させて撮像部の
前記受光面への光路に介装される鏡筒部を入れ換えるよ
うに構成することによって、薄型化を実現できる。Further, by making the size of the finder window different according to the angle of view of the lens barrel, an appropriate angle of view can be selected and the subject can be accurately captured. Further, the imaging unit is disposed on the inner bottom of the flat casing with the light receiving surface facing upward, and the rotating body rotates in a posture parallel to the bottom of the casing. By mounting the lens barrel on the surface facing the bottom and rotating the disk to replace the lens barrel interposed in the optical path to the light receiving surface of the imaging unit, the thickness is reduced. it can.
【0060】また、前記撮像部を扁平状の筐体の内側底
部に受光面を上に向けて配設し、前記回転体が筐体の底
部と平行な姿勢で内周面が回転するリングで、このリン
グの前記内周面に前記鏡筒部を取り付け、撮像部の受光
面の上方に前記鏡筒部からの光を撮像部の受光面に導く
光路変更手段を設け、前記リングを回転させて撮像部の
前記受光面への光路に介装される鏡筒部を入れ換えるよ
うに構成することによって、薄型化を実現できる。Further, the imaging unit is disposed on the inner bottom of the flat casing with the light receiving surface facing upward, and the rotating body is a ring whose inner peripheral surface rotates in a posture parallel to the bottom of the casing. Attaching the lens barrel to the inner peripheral surface of the ring, providing light path changing means for guiding light from the lens barrel to the light receiving surface of the imaging unit above the light receiving surface of the imaging unit, and rotating the ring. In this case, the thickness of the imaging unit can be reduced by replacing the lens barrel provided in the optical path to the light receiving surface of the imaging unit.
【0061】また、前記回転体が前記撮像部を中央にし
てその受光面と裏面との方向に回転し、この回転体の前
記内周面に前記鏡筒部を取り付け、前記回転体を回転さ
せて撮像部の前記受光面への光路に介装される鏡筒部を
入れ換えるように構成することによって、薄型化を実現
できる。Further, the rotating body rotates in the direction of the light receiving surface and the back surface with the image pickup unit as a center, the lens barrel is attached to the inner peripheral surface of the rotating body, and the rotating body is rotated. In this case, the thickness of the imaging unit can be reduced by replacing the lens barrel provided in the optical path to the light receiving surface of the imaging unit.
【図1】本発明の(実施の形態1)のカメラの平面図と
一部切り欠き正面図FIG. 1 is a plan view and a partially cutaway front view of a camera according to a first embodiment of the present invention.
【図2】同実施の形態の回転体と鏡筒部の拡大断面図FIG. 2 is an enlarged sectional view of a rotating body and a lens barrel according to the embodiment;
【図3】同実施の形態の接眼用透過窓と各ファインダー
窓を示す説明図FIG. 3 is an explanatory view showing an eyepiece transmission window and each finder window of the embodiment.
【図4】同実施の形態の回転体における各クリック機構
の位置を示す平面図とカメラ本体に形成された凹部を示
す平面図FIG. 4 is a plan view showing a position of each click mechanism in the rotating body of the embodiment and a plan view showing a concave portion formed in the camera body.
【図5】同実施の形態のクリック機構がカメラ本体の凹
部に係合しない状態と係合した状態を示す断面図FIG. 5 is a sectional view showing a state where the click mechanism according to the embodiment is not engaged with the concave portion of the camera body and a state where the click mechanism is engaged;
【図6】同実施の形態の信号処理回路の構成図FIG. 6 is a configuration diagram of a signal processing circuit according to the embodiment;
【図7】同実施の形態の演算処理装置における収差補正
処理の前後の画面の説明図FIG. 7 is an explanatory diagram of a screen before and after an aberration correction process in the arithmetic processing device according to the embodiment;
【図8】同実施の形態の演算処理装置における輝度補正
処理の前後の画面の説明図FIG. 8 is an explanatory diagram of a screen before and after a luminance correction process in the arithmetic processing device according to the embodiment;
【図9】同実施の形態の回転体の停止位置のずれを示す
平面図とCCD素子の撮像範囲と鏡筒部の有効結像範囲
の大きさの違いを示す説明図FIG. 9 is a plan view showing the displacement of the stop position of the rotating body according to the embodiment, and an explanatory diagram showing the difference between the imaging range of the CCD element and the effective imaging range of the lens barrel;
【図10】同実施の形態の演算処理装置における画像信
号読み込み処理のマスクの移動を示す説明図と画像信号
読み込み処理のフローチャート図FIG. 10 is an explanatory diagram showing a movement of a mask in an image signal reading process in the arithmetic processing device of the embodiment and a flowchart of the image signal reading process;
【図11】本発明の(実施の形態2)のカメラの平面図
と一部切り欠き正面図FIG. 11 is a plan view and a partially cutaway front view of a camera according to a second embodiment of the present invention.
【図12】同実施の形態の要部の拡大断面図FIG. 12 is an enlarged sectional view of a main part of the embodiment.
【図13】本発明の(実施の形態3)のカメラの平面図
と一部切り欠き正面図および各実施の形態における鏡筒
部の別の実施例を示す拡大断面図FIG. 13 is a plan view and a partially cutaway front view of a camera according to (Embodiment 3) of the present invention, and an enlarged cross-sectional view showing another example of a lens barrel in each embodiment.
【図14】本発明の(実施の形態4)の回転体を取り外
した状態の正面図とそのA−A断面図および側面図なら
びに回転体を取り付けた状態の正面図とそのB−B断面
図および側面図FIG. 14 is a front view of a state in which a rotating body is removed according to (Embodiment 4) of the present invention, a sectional view taken along the line AA and a side view thereof, and a front view in a state where the rotating body is attached, and a sectional view taken along the line BB thereof. And side view
1 カメラ本体 1a 開口 1c 接眼用透過窓 2a,2b,2c 鏡筒部 3 CCD素子 4 回転体 5 回転軸 6a〜6c ファインダー窓 9 演算処理装置 10 メモリ 11 ピンホール板 12 ピンホール 13 鏡筒 13a 開口 14 レンズ 15 緩衝部材 16 プリント基板 17a〜17c クリック機構 18a,18b,18c ボール 19 圧縮バネ 20a,20b,20c 凹部 21a,21b,21c スイッチ 22 ミラー 30 凹部 31 CCD素子の撮像範囲 32−0,32−A,32−B 鏡筒部2a〜2cの
有効結像範囲 34 スライド板 35 溝 36,37 レンズ 38 絞り板 39 遮光部材 40 窓DESCRIPTION OF SYMBOLS 1 Camera main body 1a Opening 1c Eyepiece transmissive window 2a, 2b, 2c Lens tube part 3 CCD element 4 Rotating body 5 Rotation axis 6a-6c Viewfinder window 9 Arithmetic processing unit 10 Memory 11 Pinhole plate 12 Pinhole 13 Lens tube 13a Opening DESCRIPTION OF SYMBOLS 14 Lens 15 Buffer member 16 Printed circuit board 17a-17c Click mechanism 18a, 18b, 18c Ball 19 Compression spring 20a, 20b, 20c Recess 21a, 21b, 21c Switch 22 Mirror 30 Recess 31 CCD imaging range 32-0, 32- A, 32-B Effective imaging range of lens barrels 2a to 2c 34 Slide plate 35 Groove 36, 37 Lens 38 Aperture plate 39 Light shielding member 40 Window
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) H04N 5/225 H04N 5/225 B 5C022 D 5/232 5/232 Z 5/243 5/243 (72)発明者 村田 茂樹 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Fターム(参考) 2H018 AA01 BA01 BE01 2H044 HC01 2H054 AA01 BB03 2H083 CC07 2H101 DD01 DD64 DD65 5C022 AB19 AB66 AC02 AC34 AC42 AC51 AC54 AC69 AC74 AC78──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) H04N 5/225 H04N 5/225 B 5C022 D 5/232 5/232 Z 5/243 5/243 (72) Inventor Shigeki Murata 1006 Kadoma, Kazuma, Kazuma, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. (reference)
Claims (13)
付けられた複数の鏡筒部とを設け、前記移動体を移動さ
せて前記撮像部への光路に介装される鏡筒部を入れ換え
るように構成したカメラ。A moving body movable with respect to an image pickup unit; and a plurality of lens barrels attached to the moving body at different intervals of view and at predetermined intervals, and the moving body is moved by moving the moving body. A camera configured to replace a lens barrel interposed in an optical path to an imaging unit.
回転体と、 画角が異なるとともに所定角度おきに前記回転体に取り
付けられた複数の鏡筒部とを設け、前記回転体を回転さ
せて前記撮像部への光路に介装される鏡筒部を入れ換え
るように構成したカメラ。2. A rotating body rotatably attached to an imaging section, and a plurality of lens barrels attached to the rotating body at different angles of view and at predetermined angles, and rotating the rotating body. A camera configured to replace a lens barrel interposed in an optical path to the imaging unit.
を設け、 位置検出手段の出力に基づいて複数の鏡筒部の内の何れ
の鏡筒部が撮像部への光路に介装されるかを識別して前
記撮像部の出力信号の信号処理を制御する演算処理装置
を設けた請求項2記載のカメラ。And a position detecting means for detecting a stop position of the rotating body, wherein any one of the plurality of lens barrels is interposed in an optical path to the imaging unit based on an output of the position detecting means. The camera according to claim 2, further comprising an arithmetic processing unit that identifies whether the image is to be processed and controls signal processing of an output signal of the imaging unit.
収差補正処理特性または輝度補正処理特性を切り換える
ように構成した請求項3記載のカメラ。4. The camera according to claim 3, wherein the arithmetic processing unit is configured to switch an aberration correction processing characteristic or a luminance correction processing characteristic according to a lens barrel in use.
間の隙間を閉塞する遮光部材を設けた請求項2記載のカ
メラ。5. The camera according to claim 2, further comprising a light-blocking member that closes a gap between the imaging unit and an emission-side end of the lens barrel in use.
よりも大きくするとともに、前記撮像部の出力を読み取
って信号処理して有効結像範囲のデータだけを切り出す
演算処理装置を設けた請求項2記載のカメラ。6. An arithmetic processing device for making an imaging range of an imaging section larger than an effective imaging range of a lens barrel section, reading an output of the imaging section, performing signal processing, and cutting out only data of the effective imaging range. 3. The camera according to claim 2, wherein the camera is provided.
の切り出しを、鏡筒部の有効結像範囲の大きさに対応し
た開口を有するマスクを設定し、このマスクで撮像部の
撮像範囲を走査して、各位置におけるマスク内の輝度値
の和を計算し、輝度値の和が最大となった位置のマスク
範囲を有効結像範囲として切り出すように構成した請求
項6記載のカメラ。7. A method according to claim 1, wherein a mask having an opening corresponding to the size of the effective imaging range of the lens barrel is set by the arithmetic processing unit to cut out the data of the effective imaging range. 7. The camera according to claim 6, wherein the camera is configured to scan and calculate the sum of the luminance values in the mask at each position, and cut out the mask range at the position where the sum of the luminance values is maximum as the effective imaging range.
数の前記鏡筒部とを組み込むとともに、前記回転体にフ
ァインダー窓を形成し、ファインダー窓に対応して前記
筐体には接眼用透光窓を形成した請求項2記載のカメ
ラ。8. A housing incorporating the imaging section, the rotating body and the plurality of lens barrels, a finder window formed in the rotating body, and an eyepiece on the housing corresponding to the finder window. The camera according to claim 2, wherein a light transmitting window is formed.
に応じて異ならせた請求項8記載のカメラ。9. The camera according to claim 8, wherein the size of the finder window is changed according to the angle of view of the lens barrel.
受光面を上に向けて配設し、 前記回転体が筐体の底部と平行な姿勢で回転する円盤
で、この円盤の筐体の前記底部と対向する面に前記鏡筒
部を取り付け、前記円盤を回転させて撮像部の前記受光
面への光路に介装される鏡筒部を入れ換えるように構成
した請求項2記載のカメラ。10. A disk in which the imaging unit is disposed on the inner bottom of a flat casing with its light receiving surface facing upward, and the rotating body rotates in a posture parallel to the bottom of the casing. 3. The lens barrel according to claim 2, wherein the lens barrel is attached to a surface of the housing facing the bottom, and the disk is rotated to replace a lens barrel interposed in an optical path to the light receiving surface of the imaging unit. Camera.
受光面を上に向けて配設し、 前記回転体が筐体の底部と平行な姿勢で内周面が回転す
るリングで、このリングの前記内周面に前記鏡筒部を取
り付け、 撮像部の受光面の上方に前記鏡筒部からの光を撮像部の
受光面に導く光路変更手段を設け、前記リングを回転さ
せて撮像部の前記受光面への光路に介装される鏡筒部を
入れ換えるように構成した請求項2記載のカメラ。11. The image pickup unit is disposed on the inner bottom of a flat casing with its light receiving surface facing upward, and the rotating body is a ring whose inner peripheral surface rotates in a posture parallel to the bottom of the casing. Mounting the lens barrel on the inner peripheral surface of the ring; providing light path changing means for guiding light from the lens barrel to the light receiving surface of the imaging unit above the light receiving surface of the imaging unit; rotating the ring The camera according to claim 2, wherein a lens barrel interposed in an optical path to the light receiving surface of the imaging unit is exchanged.
の受光面と裏面との方向に回転し、この回転体の内周面
に前記鏡筒部を取り付け、 前記回転体を回転させて撮像部の前記受光面への光路に
介装される鏡筒部を入れ換えるように構成した請求項2
記載のカメラ。12. The rotator rotates in the direction of the light receiving surface and the back surface with the imaging unit as a center, the lens barrel is attached to the inner peripheral surface of the rotator, and the rotator is rotated. 3. The image pickup device according to claim 2, wherein a lens barrel interposed in an optical path to the light receiving surface of the imaging unit is replaced.
The described camera.
るピンホール光学部とした請求項1〜請求項12の何れ
かに記載のカメラ。13. The camera according to claim 1, wherein said lens barrel is a pinhole optical section having a pinhole as a first surface.
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US10715647B2 (en) | 2016-12-07 | 2020-07-14 | Zhejiang Geely Holding Group Co., Ltd. | Mobile terminal |
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2000
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US10715647B2 (en) | 2016-12-07 | 2020-07-14 | Zhejiang Geely Holding Group Co., Ltd. | Mobile terminal |
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