JPH0321194A - Electronic still camera - Google Patents

Abstract

PURPOSE:To attain photographing of a stereoscopic still picture free from time difference by preparing a switch for selecting two photographing modes, i.e., stereoscopic recording and normal recording. CONSTITUTION:A change-over switch 9 switches and selects a stereoscopic photographing mode and a normal photographing mode. In the case of executing stereoscopic photographing, the switch 9 is turned to the stereoscopic photographing mode and a release switch 8 is depressed, so that an image pickup system driving circuit 7 is turned on and photographing can be executed. An L or R direction picture is recorded in the 1st field and an R or L direction image is recorded in the 2nd field by using a method for expressing one picture in two screens of the 1st and 2nd fields. Since L and R direction images are automatically changed by executing frame reproduction, a stereoscopic still picture free from time difference can be taken.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field in Icheon] The present invention relates to an electronic still camera capable of recording images by electronic means.

[Prior Art] Conventionally, as a stereoscopic television system, there is a system called the Samurai split system that uses the principle of binocular parallax. In this system, left and right images are displayed on a single display by switching each field, and electronic shutters for the left and right eyes are opened and closed in synchronization with the field period to provide stereoscopic viewing.

As shown in Fig. 3, this photographing method uses two video cameras 25 and 26 to capture the subject 29 while maintaining the left and right eye positions.
The output signals from the respective video cameras 25 and 26 are supplied to the signal switch 27, and the left and right video signals are switched by the signal switch 27 or an appropriate synchronization signal, and these two are output. There is a method of outputting the video signal to the recorder 28.

[Problem to be solved by the invention] However, when taking pictures with a conventional electronic still camera such as the one described above, the left and right images have a time difference equal to the output interval of the synchronization signal, so a three-dimensional still image is not produced. There was a problem with not being able to take pictures.

The present invention has been made to solve the above problems, and provides an electronic still camera that can switch between two shooting modes, 1-' and 3D photography, to take 3D still images without time lag. There are 11 things to offer.

[A Thousand Steps to Solve the Problem] In order to achieve the above object, the electronic still camera of the present invention has a first imaging system located at a distance approximately equivalent to the distance between the left and right eyes with respect to the first imaging system. 2 imaging systems, and a circuit for recording image force signals of the first and second imaging systems in different fields, respectively, and a switch for selecting two imaging modes, stereoscopic recording and normal recording. , and a signal switcher for switching the output signal to the recording system using the switch.

[Function] According to the present invention, there is a switch for switching modes 1 to 1 for normal photography and stereoscopic photography, and by moving the finer, it is possible to perform normal photography and stereoscopic photography with one electronic still camera. .

[Example] The fJSl diagram is a block diagram showing an example of the electronic still camera invented by Wood. In the figure, 1 is the photographing lens at the position corresponding to the left eye (hereinafter referred to as the L direction), and 2 is the right eye. 3 is an image sensor in the L direction, 4 is an image sensor in the R direction, 5 is an image signal processing IC in the L direction, 6 is an image signal processing IC in the R direction, and 7 is an image sensor in the R direction. A drive circuit for the imaging system; 8 is a release switch for starting driving the imaging system; 9 is a changeover switch for selecting the normal imaging mode from stereoscopic imaging mode 1; 10 is a power source for operating the system; 1l is an imaging switch. A signal switching device selects the output and distributes it to a recorder, 12 is a recorder for recording the outputs in the L direction and R direction, 13 is the camera body according to the present invention, and 14 is the subject.

When performing stereoscopic photography, first the selector switch 9 is switched to stereoscopic photography modes 1 to 3. Next, press release switch 8,
As a result, the drive circuit 7 is turned on and photographing is performed. This example uses the application of frame recording of an electronic still camera as a recording force method, that is, the first field and the second field.
Using a method such as representing one screen by two screens to field 1, the L (or R) direction image,
An R (or L) direction image is recorded in the second field (hereinafter referred to as pseudo frame recording). By doing this, during frame playback, the image in the L direction and R direction changes dynamically, and when playing back the frame using the conventional time-division stereoscopic method. Using the synchronization signal for switching between the first field and the second field 1~, the electronic shutters of the left and right eyes can be opened and closed in synchronization with this cycle to provide stereoscopic viewing. Furthermore, since the electronic still camera of this embodiment is capable of normal shooting as well as stereoscopic shooting, the viewfinder is placed at a position that matches the main optical system, which is the first imaging system, during normal shooting. During stereoscopic photography, in order to ensure that the moat is centered between the first and second imaging systems, the deviation between the two motes and the imaging system must be corrected by, for example, using a removable type as shown in Figure 2. A mechanism is needed.

Figure S2 is a perspective view showing an overview of an embodiment of the electronic still camera of the present invention, in which 16 is the main imaging system, 17.18 is the finer lens during normal shooting and stereoscopic shooting, respectively.
19 is a second imaging system, 20 is a strobe, 21 is a lens button, 22 is a mode 1 to changeover switch, 23 is a viewfinder, and 24 is a finder leg.

The signal switch l1 in FIG. 1 plays a main role in switching the output signal between normal frame photography and stereoscopic pseudo frame photography.

If an interlocking switch mechanism is used that turns the viewfinder ON and OFF by changing the finder, a device having the same effect as that shown in FIG. 1 can be obtained even without the changeover switch 9.

[Effects of the Invention] As explained above, the present invention provides a second imaging system at a position spaced apart from the first imaging system by the distance between the left and right eyes, and the first and second imaging systems. It has a built-in circuit that distributes the image output signal from the imaging system to different fields and records pseudo frames, and can compensate for the misalignment between the switching switch for both normal photography and stereoscopic photography and the photography lens. By providing a finder, it is possible to capture stereoscopic still images without time lag.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of an electronic still camera according to the present invention, FIG. 2 is a perspective view showing an overview of an embodiment of an electronic still camera according to the present invention, and FIG. A diagram is provided to explain the method. During the bath. 2: Photographic lens 4: Imaging device 6: Imaging signal processing IC Drive circuit Release switch changeover switch Signal changeover camera body 10: Power supply 12/Recorder 14: Subject

Claims (1)

[Claims] A second imaging system is provided at a distance approximately equivalent to the distance between the left and right eyes with respect to the first imaging system.
A switch that includes a circuit that records the image output signals of the second imaging system in different fields, and selects two shooting modes, 3D recording and normal recording, and a signal that switches the output signal to the recording system by the switch. An electronic still camera characterized by being equipped with a switch.