JPH09200737A - Door camera system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save labor and time for setting and to automatically record a call when there is calling from the entrance hand set of an intercom by using a recording and reproducing device having plural overwrite enabled frame memories. SOLUTION: When a calling button 4 is pushed, a timer 30 starts a camera 11, a recording and reproducing device 20 and an A/D converter 21, the video signal of a visitor is converted to a digital video signal and recorded in the recording and reproducing device 20, and a chime is sounded from a speaker 44 at a master unit. When a hand set 41 is picked up at the time of performing speaking at once, changeover switch 50 is switched to an intercom entrance hand set side 5a camera, speaking is started between the intercom entrance hand set and the intercom master unit, and the video signal generated by the camera 11 is projected on a monitor 42. When it is desired to confirm the visitor before speaking and a memory reproducing button 43 is pushed, the changeover switch 50 is switched to the side of a recording and reproducing device 5b and the video data of the visitor are immediately projected on the monitor 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door camera system, and more particularly to a door camera system capable of recording and reproducing a video signal from a camera provided in an intercom door subunit.

[0002]

2. Description of the Related Art A conventional door camera system with a memory is
For example, in the part relating to the intercom system described in Japanese Unexamined Patent Publication No. Hei 4-213989, "Telephone answering function-equipped video communication device", as shown in FIG. It is composed of an intercom doorphone 61, a handset 67, a CRT 68, a speaker 69, a monitor-equipped intercom base having a mode setting key 70 to 71, and a recording / reproducing device 72. At home / answering machine is switched by the mode setting key,
In the home mode, the video generated by the camera provided in the intercom doorphone is output to the monitor provided in the intercom base unit to talk, and in the answering machine, the video signal is recorded in the recording / reproducing device (VTR, etc.). is there.

[0003]

In such a conventional door camera system, it is necessary to set the answering machine mode in advance in order to record the video signal generated by the door intercom with camera. There was a problem that you could not record if you forget to do it.

An object of the present invention is to provide a mode setting key so that the time and effort for setting can be saved, and when a call is made from a doorphone entrance slave, the chime of the doorphone master is sounded and an analog image is automatically displayed. The signal is converted into digital image data and recorded in the frame memory. Another object of the present invention is to provide a door camera system capable of confirming a visitor immediately by playing back this memory before starting a call and confirming a plurality of guests who are out of office in a short time.

[0005]

A door-equipped camera system with a memory according to the present invention is provided with a door-door intercom with camera for making a call and generating a video signal, and with a monitor to which the door-interphone with camera is connected. An intercom base unit, a recording / reproducing apparatus having a plurality of overwritable frame memories capable of recording image data, a timer for operating the recording / reproducing apparatus and the camera for a certain period of time by a call button of a door intercom with a camera. The intercom main unit with monitor, the intercom main unit with camera, and the intercom main unit with monitor and a switching device for switching connection between the recording and reproducing device.

In FIG. 1, when the call button 14 of the door intercom with camera 10 is pressed, the chime of the intercom with monitor main unit sounds, and at the same time, the timer 30 activates the recording / reproducing device 20 and the camera 11 for a predetermined time. To do. When the system owner picks up the handset, the customer is displayed on the monitor 42 and the call is started. When the system owner wants to confirm the visitor before starting the call, the memory playback button 43 is pressed so that the switching device is connected to the recording / playback device side (5
Switch to b) and you can check without being noticed by the visitor. The system owner then chooses to pick up the handset and start talking, or to use the absence.

When the system owner wants to confirm a guest who is away from home when he or she returns home, the latest image is displayed on the monitor by pressing the memory playback button. Then, if you press it one after another within a certain period of time, the new ones will be displayed on the monitor in order from the old ones.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a door camera system with a memory according to the present invention will be described in detail below with reference to FIG. As shown in FIG. 1, a door-equipped camera system with memory according to the present invention includes a door-phone intercom with camera 10, a recording / reproducing device 20, a timer 30, a door-phone intercom with monitor 40, and a switching device 50.

The intercom door station with camera 10 comprises a camera 11 for generating a video signal, a speaker 12 and a microphone 13 for making a call, and a call button 14.

The recording / reproducing apparatus 20 has an A for converting an analog video signal into digital image data on the input side.
The D / A converter and the D / A converter for converting digital image data into an analog video signal are provided on the output side.

The intercom base station with monitor includes a handset 41 for talking, a monitor 42 for displaying an image,
A memory playback button 43, a speaker 44 for sounding a chime, an output terminal 45 for outputting a video signal to the outside, and a chime volume changeover switch 46 are provided. The handset 41 includes a microphone and a speaker (not shown) for making a call.

When the call button 14 is pressed, the timer 3
0 activates the camera 11, the recording / reproducing device 20, and the A / D converter 21, converts the video signal of the visitor into digital video data and records it in the recording / reproducing device 20, and a chime sounds from the speaker 44 of the parent device. . The volume of the chime at this time can be set by the volume changeover switch 46.

When the system owner is at home, the owner can select the following actions.

When making a call immediately, the handset 41
When taking up, the changeover switch 50 is switched to the door intercom sub-unit 5a side with camera, a call is started between the intercom sub-unit with door intercom and the intercom main unit, and the video signal generated by the camera 11 is displayed on the monitor 42.

When it is desired to confirm the visitor before making a call, when the memory reproduction button 43 is pressed, the changeover switch 50 is switched to the recording / reproducing apparatus side 5b, and the latest information, that is, the video data of the present visitor is stored in the D / A converter 22. It is immediately displayed on the monitor 42 via the screen. If you pick up the handset after confirming the visitor, you can talk like the above,
You can also use the absence because you cannot notice your home.

If the system owner has a visitor when he / she is not present, the owner presses the memory reproduction button 43 after returning home so that the latest image of the recording / reproducing apparatus 20 can be reproduced by the D / A converter 2.
2. The image is displayed on the monitor 42 via the switching device 50.
Then, by pressing the memory reproduction buttons 42 one after another within a fixed time, the new ones are displayed on the monitor 42 in order from oldest ones.

A plurality of recording / reproducing devices 20 (1, 2, ...
., N) has a frame memory capable of overwriting. By using the frame memory as a storage medium, it is possible to reproduce in a short time when confirming a plurality of visitors one after another. The recording / reproducing apparatus sequentially records from the memory 1, and when recording to the memory N, the memory 1 is recorded again.
Overwrite from (oldest information).

The recording / reproducing apparatus 20 also records the date and time when recording the image data, and also displays the date and time information when the image data is reproduced.

Further, the door-phone intercom with monitor has an external output terminal, and an external recording / reproducing device (for example, VTR).
A large amount of data can be recorded by connecting to.

[0020]

By constantly recording the video signal of the doorphone with a camera, the visitor who is out of the house can be confirmed without the trouble of setting the answering machine. Further, by using the frame memory, it is possible to confirm a plurality of visitors in a short time. In addition, even at home, the visitor can be confirmed before the call is started without being noticed by the visitor. Furthermore, a large amount of data can be recorded by connecting an external recording / reproducing device.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a door camera system with a memory according to the present invention.

FIG. 2 is a door camera system with an answering machine according to the prior art.

[Explanation of symbols]

 10 ... Door intercom with camera, 11 ... Camera, 12 ... Speaker, 13 ... Microphone, 14 ... Call button, 20 ... Recording / reproducing device, 21 ... A / D converter, 22 ... D / A converter, 30 ... Timer, 40 ... Door phone master unit with monitor, 41 ... Handset, 42 ... CRT, 43 ... Memory playback button, 44 ... Speaker, 45 ... Output terminal, 46 ... Chime volume selector switch, 50 ... Switching device.

Claims (2)

[Claims] 1. An intercom system comprising a door intercom with a camera for generating a video signal, an intercom base unit, and a recording / reproducing device, wherein a recording / reproduction is performed with a camera in conjunction with a calling means of the intercom with a camera. The device powers on,
Doorphone A door camera system that records the image generated by the camera of the entrance cordless handset. 2. The door camera system according to claim 1, wherein the recording / reproducing apparatus uses a plurality of overwritable frame memories.