JPS60109974A - Television camera device - Google Patents

Abstract

PURPOSE:To attain image pickup of an object in two planes by one set of camera by switching the horizontal reading direction of a reflecting mirror and a television camera in a television camera device as an office automation equipment. CONSTITUTION:A solid-state image pickup element 17 forming a picture through the reception of an incident light from an object 11 is installed while being directed either of two planes where an object 11 is placed. The reflecting mirror 13 shutting the incident light from the object 11 in one plane and refracting the optical path of the incident light from the other plane toward the solid-state image pickup element 17 is placed in front of the solid-state image pickup element 17 in a reciprocating way. Moreover, the direction of signal transfer in horizontal direction in signal read by the solid-state image pickup element 17 is switched and the image of the object 10 produced through the reflection of the reflecting mirror 13 in synchronizing with the inserting operation of the reflecting mirror 13 is corrected for inversion.

Description

DETAILED DESCRIPTION OF THE INVENTION [Description of the technical field to which the invention pertains] The present invention relates to a television camera device used as office automation equipment for video conferences, video telephone calls, and the like.

[Description of prior art]

The television camera device used as office automation equipment is equipped with a receiving picture monitor that reproduces the image sent from the other party's television camera device, and can switch between images of objects located in perpendicular vertical planes and horizontal planes. However, there is a type that sends the image to the other party's television camera device. In this type of device, a person is generally set as the subject in the vertical plane, while a calligraphic image such as a document is set as the subject in the horizontal plane. It sends it to a television camera device. Conventional devices have a structure in which separate cameras are used for the purposes of capturing images of people and images of documents. FIG. 1 shows an example of the structure of a conventionally used device.

In Figures 1 (G) and (b), ■ is a television camera for photographing people that is set as a subject in a vertical plane, and 2 is a document that is set as a subject in a horizontal plane perpendicular to the vertical plane. 3 is a receiving picture monitor that reproduces images of people and calligraphy sent from the other party's television camera device. As shown in the figure, conventionally two cameras were installed facing vertically and horizontally, and used as dedicated television cameras to create images of people and calligraphy. Since the device is configured with two cameras in this way, if a color TV camera or a high-quality TV camera is used as the camera, the device becomes expensive and lacks practicality as an office automation device. Therefore, the current situation has been to use relatively inexpensive black and white television cameras.

[Detailed description of the invention]

An object of the present invention is to provide a television camera device that makes it possible to transmit images of people and documents using one television camera by switching the horizontal readout of the reflecting mirror and the television camera in one direction. It's about doing.

[Structure of the invention]

The present invention (d) is equipped with an image receiving picture monitor that reproduces images sent from the other party's television camera device, switches and images objects located within orthogonal plate planes, and transmits the images to the other party's television camera device. In a television camera device that transmits light to a camera device, a solid-state image sensor that receives incident light from a subject and creates an image is fixedly installed facing either side of the plate surface where the subject is located; A reflector that blocks the incident light from the subject in one plane and bends the optical path of the incident light from the other plane towards the solid-state image sensor is moved forward and backward in front of the solid-state image sensor in synchronization with the image capture switching command of the subject. In addition, it is equipped with a drive circuit that switches the direction of horizontal signal transfer in signal readout of the solid-state image sensor in order to invert and correct the image generated by the reflection of the reflector in synchronization with the insertion operation of the reflector. This is a television camera device characterized by:

[Explanation of Examples]

Next, embodiments of the present invention will be described in detail with reference to the drawings.

In FIGS. 2 to 4, M is the main body of a television camera device equipped with a picture monitor 3 for image reception on the front side for reproducing images sent from the other party's television camera device. One television camera 12 is built into the main body M,
The solid-state image sensor 17 of the television camera 12, which creates an image by receiving incident light from the subject, is connected to the subject (
Fixedly install it facing the vertical surface ■ where the person) 11 is located. Reference numeral 15 denotes an imaging lens that forms an image on the imaging surface of the solid-state imaging device 17.

On the other hand, the incident light λ1 from within the vertical plane H is blocked and the horizontal plane H
The incident light λ2 from inside is reflected and its optical path is transferred to the solid-state image sensor 1.
A reflecting mirror 13 bent at 7 is supported by a reflecting mirror driving device 14, and the reflecting mirror 13 is installed in front of the solid-state image sensor 17 so as to be movable.

Furthermore, in synchronization with the insertion operation of the reflecting mirror 13, a solid-state image sensor 17 is used for inverting and correcting the image generated by the reflection of the reflecting mirror.
The television camera 12 is equipped with a drive circuit 16 that switches the direction of horizontal signal transfer in signal reading.

To image a person 11 as a subject located within the vertical plane H, the reflecting mirror 13 is removed from the @ plane of the solid-state image sensor 17, and light λ1 from the person 11 is made to enter the television camera 12. The incident light λ1 is focused by the lens 15 onto the imaging surface of the imaging device 17, an image of the subject 11 is formed on the imaging surface, and the imaging device 17 outputs an image signal of a person. This image signal is sent to the other party's television camera device,
The image is reproduced on the picture monitor on the front of the device.

Next, in order to image the calligraphy 10 as the subject located in the horizontal plane H, a push button switch (not shown) is operated to output a command to switch the image of the subject to the reflector driving device 14 and the photographing element drive circuit 6. do. As a result, the reflector and drive device 14 operate, and the reflector 1 is moved to a position that blocks light from the vertical surface.
Push out 3. Therefore, the light λ2 from the calligraphy 10 as a subject located in the horizontal plane H is reflected by the reflecting mirror 13 and inputted to the image sensor 17 through the lens 15,
An image of 1 is formed on the image captured by the image sensor 17.
7 outputs an image signal of calligraphy and drawings. This image signal is based on the subject 10 in the horizontal plane H, which is opposite to the direction of the subject 11.

If you reproduce this on a picture monitor, the image will be upside down. Therefore, the drive circuit 16 switches the direction of horizontal signal transfer during signal readout of the image sensor 17 to correct the inversion of the image. The corrected signal is then sent to the other party's television camera device in the same manner as described above, and reproduced on the picture monitor on the front of the device.

[Detailed description of the invention]

As explained above, according to the present invention, by switching the horizontal readout direction of the reflecting mirror and the television camera, a single television camera is used to image a subject in two orthogonal planes. , the number of television cameras can be reduced by one, and not only can the cost of a device using two black and white cameras be reduced;
Devices using a color camera or devices using a high-quality camera can also be put to practical use.

[Brief explanation of the drawing]

FIG. 1(,) is a front view showing an embodiment of a conventional television camera device, FIG. 1(b) is a side view, and FIGS. 2 and 3 are configuration diagrams showing the basic operation of an embodiment of the present invention. , FIG. 4(a) is a front view showing an embodiment of the present invention, and FIG. 4(b) is a side view. 10, 11 Subject, 12...TV camera, 13...
...Reflector, 14...Reflector drive device, 15...Imaging lens, 16...Image sensor drive circuit Patent applicant NEC Corporation

Claims (1)

[Claims] (1) Equipped with a picture monitor for image reception that reproduces images sent from the other party's television camera device, switches to capture images of objects located within 2,000 orthogonal planes, and transmits the images to the other party's television camera. In the television camera device that transmits light to the device, the solid-state image sensor that receives incident light from the subject and creates an image is fixedly installed facing one of the 2,000 faces where the subject is located, and A reflector is placed in front of the solid-state image sensor and moves back and forth in synchronization with the image capture switching command of the object. In addition, it is equipped with a drive circuit that switches the direction of horizontal signal transfer in signal readout of the solid-state image sensor in synchronization with the insertion operation of the reflector to invert and correct the image generated by the reflection of the reflector. Features and Suru Television Camera Equipment.