CN1256433A

CN1256433A - Twin-lens camera with two shutters for taking photos of single or double width

Info

Publication number: CN1256433A
Application number: CN 98123080
Authority: CN
Inventors: 劳国华; 劳国辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-12-05
Filing date: 1998-12-05
Publication date: 2000-06-14

Abstract

One kind of double-lens camera is used to take single frame for planar picture or double frames for stereo picture. The camera has two lenses and two independently operated shutters and features its two shutter buttons, one of which is used to open one shutter related to one lens to take single frame image and the other of which is used to open two shutters to take one pair of stereo images. The camera has one forward film rolling part to roll forward the film according to the use of the camera.

Description

There are two shutters to be used for absorbing the bicamera of double width or single width image

Multiple lens camera all is used for absorbing stereoscopic image for many years.Mostly existing multiple lens camera is to design for 35 centimetres of films, and the width of every egative film picture approximately is 17 centimetres, promptly is half of full frame egative film of 35 centimetres of cameras picked-ups of common plane.The weakness of this class multiple lens camera is to absorb single image as the common plane camera.And, though the form of image is to be suitable for the printing stereo photo,, be unsuitable for printing the plane photo that can satisfy the ordinary consumer requirement because form is narrow.United States Patent (USP) the 5th, 465, No. 128 people such as () Wah Lo disclose a kind of multiple lens camera, and the image that one of them camera lens absorbed is wealthyer than the image of other camera lens picked-up.This wealthyer image can be a full frame, can be used for printing the common planar photo.The weakness of this camera is can not be used as common plane camera picked-up single image to save film.United States Patent (USP) the 5th, 294, No. 951 (Lo) disclose a kind of triplex camera of double-purpose type, wherein contain the anti-dazzling screen of some formulas of living, and can be used for the film of camera lens back is divided into three and half pictures so that the picked-up stereoscopic photograph; Also can be used for covering the camera lens of both sides, so that absorb the photo of a full frame.The weakness of this camera is: wherein the parts design in order to conversion plane and three-dimensional purposes is complicated.

Preferably can supply a kind of simple and cheap double-purpose camera, not only can absorb individual egative film and print the plane photo, also can absorb many egative films and come the printing stereo photo.

An object of the present invention is to supply a kind of double-purpose camera, individual picture or many pictures can be used for photographing.

Another object of the present invention is that individual picture of its picked-up of a kind of double-purpose camera of supply is a full frame, is suitable for printing the common planar photo.

Another purpose of the present invention is a kind of double-purpose camera of supply, and the distance of each photography back scrolling film is to decide according to the number of pickup image.

Above-mentioned purpose can be reached by the double-purpose camera of a kind of twin-lens of supply, and having a camera lens among this camera at least is the image that is used for absorbing full frame, contains two independent used shutters and two shutter release buttons again.One of them button is to be used for only opening a shutter to absorb the single width image, and another button is opened two shutters simultaneously and absorbed a pair of stereoscopic image.Such two buttons are arranged, and the user just can select suitable button to absorb plane or stereo-picture.The user does not need to pull to dial, the mode of turn-button is changed the purposes of camera.This camera contains the automatic parts of scrolling film forward again.When camera is to be used for taking the photograph limit one single width when image, the film distance of the scrolling picture that enough will expose is just forward removed.When camera is when being used for absorbing two pictures, the film distance of scrolling forward is so that the picture of two exposures is removed.

Preferably the picture that each camera lens exposed all is a full frame.Have the egative film of this form just can print the plane photo, and two photos that are printed to by a pair of stereoscopic image can be seen and resemble device and watch with solid with general commercial plane printer.The couple of stereo-picture can be used for the printing stereo photo again.

Purpose of the present invention just can be understood in the reading the description of the drawings.

Fig. 1 represents double-purpose camera of the present invention.

Fig. 2 is the front elevation of camera.

Fig. 3 represents the restrictions frame in the camera slide viewer.

Fig. 4 be illustrated on the film a kind of monumented point in order to the difference camera using method.

Fig. 1 is a kind of practical body of double-purpose camera of the present invention.In Fig. 1, camera 1 contain two camera lenses 11 and 12 and with connected two shutters 15 of camera lens and 16.The back of shutter is a light hurdle 52,54 and 56, in order to form the imaging scope of light tight chamber and the restrictions film before pressing plate 38.Preferably: the width of the imaging picture of camera lens 11 back is full frames, and its form is the normal negative size of 35 centimetres of used cameras of general closed planar photography.But the imaging picture width of camera lens 11 back also can be between 33 and 38 centimetres.The imaging picture width of camera lens 12 back as light hurdle 54 and 56 limit persons, can equal the width of the imaging picture of camera lens 11 back.Such design, the distance that forms between two camera lenses approximately is between 34 and 39 centimetres.But the imaging picture of camera lens 12 back also can be less than the picture of camera lens 11 back.

The characteristics of this camera are to contain two shutter release buttons 21 and 22.When button 21 is pressed when photographing, have only shutter 15 to open, make the exposure on the film 35 that is imaged on of camera lens 11.Along with, the parts of scrolling forward of film with the film segment distance that moves forward, Duo several centimetres than the imaging picture of camera lens 11.When button 22 is pressed when photographing, shutter 15 is opened simultaneously with shutter 16, and two width of cloth pictures of camera lens 11 and 12 imagings are exposed on film 35.Along with, the parts of scrolling forward of film with the film segment distance that moves forward, Duo several centimetres than the imaging picture of two camera lenses.Camera has so two simple push button, and the user is easy to select the purposes of camera, the single width picture that picked-up plane photo is used, or the stereoscopic picture plane couple used of stereoscopic photograph.

Fig. 2 is the front elevation of bicamera.As shown in Figure 2, camera also contains the field range that a slide viewer 60 comes the oblatio twin-lens.Preferably: camera is supplied suitable luminosity when needed with flashlamp 70.

Fig. 3 represents the restrictions frame in the slide viewer of bicamera.Preferably: contain the field range of two restrictions frames in the slide viewer 60 for two camera lenses of expression.The design of restrictions frame 65 is in order to be illustrated in the field range of picked-up camera lens 11 (Fig. 1) during individual plane picture.66 of restrictions frames are illustrated in picked-up camera lens 11 and field range of 12 during one stereoscopic image.

Fig. 4 is illustrated in the monumented point that exposes on the film, and those pictures absorb for the printing stereo photo in order to debate not.Especially, rough identical the time when the imaging picture size of two camera lens back, just be difficult to debate not which be print the single width picture of plane photo, which is the double width picture for the printing stereo photo.Therefore, preferably when photography, on film, print a sign.For example, can on the picture of camera lens 12 (Fig. 1) back, add a sign at small light source of placement on the compressing tablet, and this light source only when being used to absorb stereoscopic photograph, is being opened just by camera such as LED.That shown in Figure 4 is a bit of film, the

imaging picture

71,72,73 and 74 that has the double-purpose camera to be absorbed on it.Have only picture 73 to contain a monumented point 85, expression picture 72,73rd is for a stereoscopic image of printing stereo photo.And

picture

71 and 74 is in order to print the single width picture of plane photo.Certainly,

picture

72 and 73 also can be used for printing the plane photo.Should know that monumented point shown in Figure 4 is just for setting forth convenient illustrating.In fact, many difform signs can be used for offering an explanation the classification of picture.And the position of sign can be within the picture, or outside the picture, as shown in the figure; Also can be both two width of cloth pictures that are placed on stereo-picture.

The present invention is open with the type body of practicality, and one of ordinary skill in the art should be understood, and disclosed practical body is changed, changes and replaces wherein element, does not still leave scope of the present invention.

Claims

1. bicamera is used for taking pictures and image is recorded image on a volume photographic film, and this camera comprises:

First camera lens, there is first image frame its back, and in order to the exposure range of restrictions on film, this first image frame has a width;

First shutter is relevant with this first camera lens;

First shutter release button, in order to open this first shutter so that the formed image of this first camera lens is exposed on this first image frame;

Second camera lens, there is second image frame its back, and in order to the exposure range of restrictions on film, this second image frame has a width;

Second shutter is relevant with this second camera lens;

Second shutter release button is used for opening simultaneously this first shutter and second shutter, so that first camera lens and formed two width of cloth images of second camera lens are exposed on the image frame of correspondence;

A kind of parts of the film of scrolling forward, when these parts are subjected to first shutter release button and involve with film forward one section of scrolling than the big slightly distance of the first image frame width, when these parts are subjected to involving of second shutter release button with film one section two distance that width is big slightly of scrolling forward than first image frame and second image frame; And

A slide viewer.

2. camera as claimed in claim 1, wherein the width of second image frame approximately equates with the width of first image frame.

3. camera as claimed in claim 1, wherein the width of second image frame is less than the width of first image.

4. camera as claimed in claim 1, wherein the width of first image frame is between 33 centimetres and 38 centimetres.

5. camera as claimed in claim 1 has a kind of sign among its slide viewer, in order to the expression field range relevant with first camera lens.

6. camera as claimed in claim 1 has a kind of sign among its slide viewer, in order to expression and first camera lens and the relevant field range of second camera lens.