JPH05122704A - Gatedoor camera equipment - Google Patents

Abstract

PURPOSE:To display a visitor or the like onto a monitor equipment under the condition easy to see by detecting a tone signal generated from a telephone set in a house and using control data corresponding to the tone signal so as to control an angle and lightness of a camera. CONSTITUTION:When a video image picked up by a camera is on the outside of a center of a pattern and not easily observed, a resident operates a dial button of a handset to control the angle of the camera 1 by using an outputted tone signal. That is, based on the standard setting angle of the camera 1, the dial button to vary an angle by a prescribed value (e.g. 30 deg.) in the upper/lower/ left/right directions is selected respectively to be '1,2,3,4', for example and control data corresponding to the tone signal of the button are registered respectively in a memory 6 as the standard data. For example, when the camera 1 is desired to be changed upward, the button 1 is depressed, then its tone signal is detected by a tone detection section 5 and relevant control data are read from the memory 6 and outputted to a camera control section 8 to direct the camera upward by a prescribed angle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entrance television camera device (hereinafter abbreviated as a camera) installed at an entrance or the like, and controls the angle of the camera by a tone signal (DTMF signal) from a telephone in a dwelling unit. Regarding what you do.

[0002]

2. Description of the Related Art In a front door camera device in which a camera is installed at a front door and a video of the visitor captured by the camera is checked on a monitor in a dwelling unit to talk with the visitor, the camera is fixed or installed. It was supported only by adjusting the time. This setting is optimized to image a visitor standing at a height of about 160 cm and 50 cm in front of the camera, and covers a range of 60 to 80 degrees in the vertical and horizontal directions. .. Therefore, if an image is taken in the installed standard state, the visitor may not be seen well due to differences in height or standing position. Also, if the auto iris is used as it is, it may not be possible to discriminate the face of the visitor due to backlight or the like. In such a case, there is a problem that the installed camera does not function as intended.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and controls the angle and iris of a camera installed at a front door or the like by a tone signal from a telephone in a dwelling unit to capture an easily viewable image. The present invention provides an entrance camera device that is displayed on a monitor of a dwelling unit.

[0004]

In order to solve the above-mentioned problems, the present invention takes a picture of a visitor or the like with a camera installed at a front door, and confirms the image on a monitor with a doorphone and a telephone in a house. In a front door camera device for making a call, a signal detection unit that detects a tone signal or the like from a telephone in a dwelling unit, a memory that stores control data corresponding to the tone signal, and a camera that controls the camera by the control data Provided is an entrance camera device configured of a control unit and a control unit for controlling the signal detection unit, the memory, and the camera control unit, respectively, and configured to control the angle of the camera and the like by a tone signal from a telephone in the house. It is a thing.

[0005]

With the above construction, in the entrance camera device according to the present invention, the tone signal from the telephone in the dwelling unit is detected, and the angle of the camera installed at the entrance or the like is detected by the control data corresponding to the detected tone signal. Etc. are controlled and displayed on the monitor in the dwelling unit on a screen that makes it easy to see the images of visitors.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the entrance camera device according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram of essential parts of an embodiment of an entrance camera device according to the present invention. In the figure, a is an entrance device, and b is a dwelling unit device. Reference numeral 1 denotes a camera, which is installed at the entrance to image a visitor or the like and output a video signal. An intercom 2 is used to make a call with the in-dwelling unit telephone 4 through the calling device 3 by a call operation of a visitor. A tone detector 5 detects a tone signal from the telephone 4.
A memory 6 stores control data and the like corresponding to each tone signal. Reference numeral 7 denotes a control unit, which is connected to the communication device 3 by a calling operation from the intercom 2 and reads out and outputs corresponding control data from the memory 6 based on the detection signal of the tone detection unit 5. A camera control unit 8 controls the angle and iris of the camera based on the control data from the control unit 7. Reference numeral 9 denotes a monitor, which displays an image of a visitor or the like captured by the camera 1.

Next, the operation of the entrance camera device according to the present invention will be described. When a visitor at the entrance operates the door horn to notify the visitor, the communication device 3 connects the control unit 7 to the communication line and outputs a call signal to the telephone 4 to call the resident. The resident can answer the call by off-hooking the telephone 4 and checking the image of the visitor on the monitor 9 to talk. Now, if the image captured by the camera is off the screen center and difficult to see, the resident operates the dial button on the handset,
The output tone signal controls the angle of the camera 1. That is, dial buttons for changing a predetermined angle (for example, 30 degrees each) up, down, left, and right with reference to the standard set angle of the camera 1 are, for example, "1, 2, 3, 4". , And the control data corresponding to the tone signal of the button is registered in the memory 6 together with the standard setting data. Now, for example, when it is desired to change the camera 1 upward, when the button 1 is pressed, the tone signal is detected by the tone detector 5, the corresponding control data is read from the memory 6 and output to the camera controller 8. , The camera points up by 30 degrees. Similarly, if the visitor's face is not clearly visible due to backlight or the like, use a dial button to increase or decrease the predetermined brightness based on the standard brightness setting value, for example, "#, *". Correspondence and control similar to the angle may be performed. Further, the angle and brightness of the camera 1 are controlled by one button (for example, 1, 2), and each time the button is pressed, the standard set value is changed from the top → bottom → left → right → top and light → You may control like dark → light. When the telephone call is completed and the telephone 4 is hooked on, the control unit 7 reads the standard setting data from the memory 6 and outputs it to the camera control unit 8, and the camera 1 returns to the initial setting.

FIG. 2 is a block diagram of a main part of another embodiment of the entrance camera device according to the present invention, showing an embodiment in a collective housing such as a condominium. In the figure, the same parts as those in FIG. C is a common entrance and common unit device of an apartment house, and D is each dwelling unit device. Reference numeral 9 is a lobby telephone, which is a residential unit telephone 4 via a private branch exchange 11.
And make a call. Reference numeral 12 denotes a modulation / mixing unit, which appropriately converts a video signal picked up by the camera 1 into an empty channel such as television broadcasting, mixes it with a television signal of synoptic vision, and delivers it to each dwelling unit. Reference numeral 13 is an adapter for branching and outputting the high frequency signal from the modulation / mixing unit 12. Reference numeral 14 denotes a television receiver, which displays an image of a visitor or the like captured by the camera 1. 15 and 16
Is an input / output unit of another dwelling unit. In this case, the lobby phone
If the private branch exchange 11 and the private branch exchange 11 are replaced with the intercom 1 and the communication device 3, respectively, the camera 1 can be controlled by the in-house telephone 4 as in the above-described operation description.

[0009]

As described above, according to the entrance camera apparatus of the present invention, the angle of the camera and the brightness of the image are controlled by the tone signal or the like from the telephone in the dwelling unit. Even if there is a difference in the height or the standing position, or when it is difficult to see due to backlight or the like, it is possible to easily control while viewing the screen. Therefore, a visitor or the like can be photographed under conditions that are easy to see and can be displayed on the monitor device in the dwelling unit.

[Brief description of drawings]

FIG. 1 is a block diagram of essential parts of an embodiment of an entrance camera device according to the present invention.

FIG. 2 is a block diagram of a main part of another embodiment of the entrance camera device according to the present invention.

[Explanation of symbols]

 1 camera 2 doorphone 3 communication device 4 telephone 5 tone detector 6 memory 7 controller 8 camera controller 9 monitor

Claims (1)

[Claims] 1. An entrance camera device in which an image of a visitor or the like is picked up by a camera installed at an entrance, and a video call is made between an intercom and a telephone in the house while checking the image on a monitor. A signal detection unit that detects a tone signal and the like, a memory that stores control data corresponding to each tone signal, a camera control unit that controls the camera by the control data, the signal detection unit, the memory, and the camera control unit. An entrance camera device comprising a control unit for controlling each, and configured to control a camera angle and the like by a tone signal from a telephone in a dwelling unit.