JP2006254315A - Video intercom system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the security functions, when recorded image data as still pictures or motion pictures which are shot by a camera of a slave unit and are stored in a memory of a master unit are reproduced or erased and to easily confirm the information or history of the recorded image data deleted from the memory. <P>SOLUTION: When recorded video data imaged by a camera 11 of a slave unit 1 stored as still images or motion pictures in the memory 24 of the master unit 2 are erased from the memory 24, the video intercom system stores information on erasing, such as the date and the hour of erasing of the recorded image data, by erasing the operations performed by an operating part 29 of the master unit 2, the deletion method, the number of deleted recorded pictures, the data and hour of recording of the erased image, the recording method, the number of recorded videos and the like or the history of deleting operations as information on the deleted recorded image in the memory. It is essential that the password be input, when deletion operations are performed or reproducing operations are performed for outputting recorded image data stored in the memory onto a monitor 25. It can also easily indicate information or history stored in the memory 24 on the monitor 25. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a television doorphone device, and more particularly, a television that can reproduce or erase recorded data as a still image or a moving image that is an image captured by a camera of a child device and is stored in a memory of the parent device. The present invention relates to a door phone device.

  Conventionally, as this type of TV door phone device, a call from a visitor using a collective entrance machine installed at the entrance of a housing complex such as an apartment, or a dwelling unit installed at the entrance of a dwelling unit has been used. When a resident cannot respond to a call from a visitor for reasons such as going out, not only can the visitor's image (video) be recorded in the memory of the in-house terminal, but also the memory capacity can be used effectively. A housing information system that can be used is disclosed (for example, see Patent Document 1).

JP 2002-111183 A (paragraph numbers 0018 to 0069, FIGS. 1 to 5)

  In recent years, a suspicious person who attempts to illegally enter a dwelling unit in a detached house as well as a condominium has called the dwelling terminal by calling the dwelling unit or dwelling unit, and the resident who responds to this call After deciding whether the resident is present in the dwelling unit or absent due to reasons such as going out based on the presence or absence of the response, the intruder entered the dwelling unit only when it was absent.

  However, in applying the conventional home information system, when the call operation as described above is performed, an image (video) captured by the camera of the collective entrance machine or the camera of the dwelling unit is used. Although recorded in the memory, the recorded data not only can be easily displayed on the monitor by the suspicious person who illegally entered the dwelling unit by performing a predetermined playback operation on the dwelling unit, When this suspicious person performs a predetermined erasure operation, the recorded data that he / she is showing can be easily erased, so there is a possibility that the suspicious person will leave without leaving any trace of intrusion, and from inside the house Residents who came home may not be aware of suspicious individuals who illegally entered the dwelling unit.

  In addition, it has been updated so that past recorded data will be erased, exceeding the upper limit of the memory capacity of the terminal in the dwelling unit that records images (video) captured by the camera of the entrance hall or the dwelling unit. In this case, there was no information or history that the past recorded data was deleted.

  The present invention has been made in order to solve the above-mentioned problems, and plays back recorded data as a still image or a moving image which is an image captured by a camera of a slave unit and stored in a memory of the master unit. An object of the present invention is to provide a TV door phone device that can improve crime prevention and can easily confirm information and history of recorded data erased from a memory.

  In order to achieve the above-described object, the television door phone device according to the first aspect of the present invention displays a video image captured by the camera of the slave unit on the monitor of the master unit, and displays the video image captured by the camera. This is an apparatus for saving as a still image or a moving image in the memory of the parent device by operating the operation unit of the parent device. When deleting the recorded data stored in the memory by operating the control unit of the main unit, the date and time of deletion, the deletion method, the number of recorded videos deleted, the date and time when the deleted recorded video was recorded, The recording method, the deletion information such as the number of recorded videos, or the history of the deletion operation as the deleted recording information is stored in a memory.

  The second aspect of the present invention is the television door phone apparatus according to the first aspect of the present invention, in which the operation unit is operated when the recorded data stored in the memory of the master unit is reproduced or deleted. Enter the password.

  According to the television door phone device of the present invention, when deleting the recorded data, which is a video captured by the camera of the slave unit and stored as a still image or a moving image in the memory of the master unit, from the memory, The date and time when the recorded data was erased by the erasing operation performed on the operation unit, the erasing method, the number of recorded videos that were erased, the date and time that the erased recorded video was recorded, the recording method, the number of recorded videos, etc. In addition to being able to save erasure information or history of erasure operations as erased recording information in the memory, the above erasure operation or playback operation to output the recorded data saved in the memory to the monitor If you are a suspicious person who has illegally entered your home without knowing this password, you will be shown your video. Playback and erase the crime prevention becomes difficult of image data can be enhanced.

  In addition, even if the past recording data has been updated to exceed the upper limit of the memory capacity of the master unit for storing the recording data and the past recording data has been deleted, the past recording data has been deleted. The information and history can be stored in the memory, and the information and history can be easily confirmed by displaying on the monitor.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, exemplary embodiments to which a television door phone device of the invention is applied will be described with reference to the drawings.

  FIG. 1 is a block diagram showing a specific configuration of a television door phone device according to an embodiment of the present invention.

  The TV door phone apparatus shown in the block diagram of FIG. 1 is usually installed at the entrance (consent with the entrance of the dwelling unit), and a child device 1 for a visitor to call a resident in the room and establish a call. Then, the call from the handset 1 installed in the dwelling unit and connected via the transmission line L1, that is, the call from the visitor is notified, and the resident who responds to the call makes a call with the visitor. It is comprised from the main | base station 2 for establishing.

  Further, the slave unit 1 includes a call button 10 for a visitor to perform a call operation, and a CCD (Charge Coupled Device) image sensor for capturing an image of the vicinity of the visitor who has performed the call operation and a front door. A camera 11 such as a CMOS (Complementary Metal Oxide Semiconductor) imaging device and a video processing circuit (hereinafter referred to as a slave unit video processing circuit) 12 for signal processing, for example, FM modulation, of an image captured by the camera 11. When a visitor establishes a call with a resident, the visitor establishes a call together with a microphone (hereinafter referred to as a slave microphone) 13 for inputting a transmitted voice and a slave microphone 13. A speaker (hereinafter referred to as a “slave unit speaker”) 14 that is used and outputs (sounds) received voice, which is a voice from a resident, and a transmitted voice that is input to the slave unit microphone 13 and is signal-processed. A speech circuit (hereinafter referred to as a speech circuit for converting or amplifying a speech signal, which is a received voice output (sounded) from the handset speaker 14) , 15 and a DC power supply from a power supply circuit 21 (to be described later) of the master unit 2, and the received DC power source is a standby power source for each component / circuit of the slave unit. A power supply circuit (hereinafter referred to as a slave unit power supply circuit) 16 for supplying power as an operation power supply, each of the slave unit video processing circuit 12, the slave unit call circuit 15, the slave unit power supply circuit 16, and the transmission line L1 And an interface circuit (hereinafter referred to as a slave unit I / F) 17 for forming a signal transmission line and a power supply line therebetween.

  Further, the base unit 2 controls the respective components / circuits of the base unit and has a CPU (Central Processing Unit) (hereinafter referred to as “base unit CPU”) 20 having a clocking function, and rectifies / smooths the commercial power supply. A power supply circuit for supplying power as a standby power supply and an operation power supply for each component / circuit of the master unit and each component / circuit of the slave unit 1 using the DC power supply and / or the DC power stored in advance (Hereinafter referred to as “base unit power supply circuit”) 21 and video processing for FM demodulation of the video modulation signal transmitted through the transmission line L 1 after being FM-modulated via the slave unit video processing circuit 12 of the slave unit 1. A circuit (hereinafter referred to as a “master video processing circuit”) 22 and an FM demodulated video signal via the master video processing circuit 22 are compressed, and recorded data read from a memory 24 described later is expanded. And a memory 24 such as a RAM (Random Access Memory) and an EEPROM (Electrically Erasable Programmable Read Only Memory) for storing the recording data compressed via the recording circuit 23 as a still image or a moving image. And the video signal demodulated through the base unit video processing circuit 22 or the recorded data read out from the memory 24 and expanded through the recording circuit 23, and then captured by the camera 11 of the handset unit 1. A monitor such as an LCD (Liquid Crystal Display), an organic EL (Electro Luminescence) display, etc. for displaying recorded information and a history of recorded data erased from the memory 24 as well as a still image or a moving image. 25 and a ringing sound (voice message) indicating that the call button 10 of the handset 1 has been operated, that is, that there is a call from a visitor. A speaker that outputs (sounds) the received voice, which is the voice from the visitor when the resident establishes a call with the visitor (hereinafter referred to as “sound”). 26, a microphone used by a resident to establish a call together with the master speaker 26 (hereinafter referred to as “master microphone”) 27, and a master microphone. 27, the voice signal that is the transmitted voice and processed by the signal is converted into four-line / 2-line or amplified, while the voice signal that is the received voice output (sound) from the parent speaker 26 is converted into two-line / two-line. Call circuit for 4-wire conversion and amplification (hereinafter referred to as “base phone call circuit”). ) 28 and the resident who confirmed the call from the visitor performs a response operation for establishing a call with the visitor, selects the recorded data to be saved in the memory 24, and is saved in the memory. Erasing operation for erasing the recorded data, key buttons for performing absence setting before the resident is out of the house due to going out, etc., an operation unit 29 such as a touch panel, the master CPU 20, the master power source Interface circuits (hereinafter referred to as “base unit I / F”) for forming a signal transmission line and a power supply line between the circuit 21, the base unit video processing circuit 22, the base unit call circuit 28 and the transmission line L1. 30).

  In the TV door phone apparatus according to the embodiment of the present invention configured as described above, a specific operation will be described below.

  When the TV door phone apparatus shown in the block diagram of FIG. 1 is in a standby state, that is, when there is no visitor at the entrance and the call button 10 of the child device 1 is not operated, the parent device power supply circuit 21 of the parent device 2 A DC power source rectified / smoothed with respect to a commercial power source (not shown) and / or a DC power source stored in advance as a standby power source of a predetermined voltage level are used to configure each part / circuit of the parent device and the parent device I / Power is supplied to the handset power supply circuit 16 via F30, the transmission line L1, and the handset I / F17 of the handset 1.

  The slave unit power supply circuit 16 of the slave unit 1 receives power supply from the master unit 2 (the master unit power supply circuit 21), and serves as a standby power source of a predetermined voltage level. Supply power to each.

  Next, in the standby state as described above, when a visitor at the entrance operates the call button 10 of the handset 1 to call a resident in the residence, the handset I / F 17 and the base unit The standby power supply voltage level previously superimposed on the transmission line L1 connecting the two master unit I / Fs 30 drops, and it is detected that there is a call from a visitor based on this voltage drop. The base unit CPU 20 outputs (sounds) a ringing sound (including a voice message) to that effect from the base unit speaker 26, and an operating power source having a voltage level higher than the standby power source described above is the configuration of the base unit. Configuration of Each Unit / Circuit and Slave Unit 1 Not only the master unit power supply circuit 21 is controlled so that power is supplied to each unit / circuit, but also the master unit video processing circuit 22 and the monitor 25 are controlled to be active. .

  The master CPU 20 of the master device 2 that has detected a call from the slave device 1 on which a call operation has been performed by a visitor can also display a message to that effect on the monitor 25.

  In addition, the master CPU 20 of the master unit 2 that has detected a call from the slave unit 1 on which a call operation has been performed by a visitor is set as recording setting information that is preset by a resident's operation using the operation unit 29. It is discriminated whether the recording method for the memory 24 is the automatic recording setting or the manual recording setting, and the recording circuit 23 (and the memory 24) is controlled to be active only when the recording method is the automatic recording setting.

  The slave unit power supply circuit 16 of the slave unit 1 receives a DC power source having a voltage level higher than the voltage level of the standby power source from the master unit 2 (the master unit power supply circuit 21), and each component / circuit of the slave unit Are supplied as operating power sources.

  Further, the camera 11 driven by the power supply from the handset power supply circuit 16 of the handset 1 starts to pick up an image of the vicinity of the visitor who has performed the calling operation or the entrance. This video is transmitted to the handset video processing circuit 12 as a video signal that has been processed into an electrical signal.

  The child image processing circuit 12 of the child device 1 uses the child device I / F 17, the transmission line L 1, and the parent device I / F 30 of the parent device 2 for the video modulation signal obtained by FM-modulating the video signal from the camera 11. This is output to the master image processing circuit 22.

  The master unit video processing circuit 22 of the master unit 2 outputs the video signal obtained by FM demodulation of the video modulation signal from the slave unit 1 (the slave unit video processing circuit 12) to the recording circuit 23 and the monitor 25, respectively. The video imaged by the camera 11 of the slave unit 1, that is, the video image of the visitor who performed the call operation or the vicinity of the front door is displayed on the monitor 25 as a still image or a moving image. Only in the case of automatic recording setting, recorded data as a still image or a moving image compressed via the recording circuit 23 can be stored in the memory 24.

  The recording data stored in the memory 24 of the main unit 2 by automatic recording is recorded under the control of the main unit CPU 20 such as the recording date and time of the recording data, the recording method indicating the automatic recording, the number of recorded videos, and the like. Information is assigned.

  Next, the call notification as described above, that is, the output (sound emission) of the ringing sound (including a voice message) from the parent unit speaker 26 of the parent unit 2 and the surroundings of the visitor or the front door that performed the calling operation When an image of the vicinity (including a message) is displayed on the monitor 25, the resident is present in the dwelling unit, and the visitor who performed the call operation is combined with the identification of the visitor. After confirming, when a predetermined response operation is performed on the operation unit 29, the master CPU 20 that has detected this response operation activates the time measuring function and starts measuring the preset call time and is used by the resident. Used by a visitor via the parent device speaker 26 and the parent device microphone 27, the parent device communication circuit 28, the parent device I / F 30, the transmission line L1, the child device I / F 17 of the child device 1, and the child device communication circuit 15. With the handset microphone 13 and handset speaker 14 By controlling the master phone call circuit 28 so that a call line between the two is formed, voice signals can be transmitted and received through the call line thus formed, and a call is established between the visitor and the resident In particular, for the resident, the call can be established while confirming the video of the visitor displayed on the monitor 25.

  Further, when a call line is formed between the parent device speaker 26 and the parent device microphone 27 of the parent device 2 and the child device microphone 13 and the child device speaker 14 of the child device 1 and a call is established, as described above. When the automatic recording is not performed, the resident can perform a predetermined manual recording setting with the operation unit 29 as necessary, and the master CPU 20 that detects the setting operation receives the recording circuit 23 (and The memory 24) is controlled to be active, and the recorded data as a still image or a moving image compressed via the recording circuit 23 can be stored in the memory 24.

  Note that the recording data stored by manual recording in the memory 24 of the base unit 2 is recorded by the control of the base unit CPU 20 such as the recording date and time of the recording data, the recording method indicating that the recording is manual, the number of recorded videos, and the like. Information is assigned.

  Further, when the call time counted by the master CPU 20 of the master unit 2 is timed up or when a predetermined end call operation by the resident performed by the operation unit 29 is detected, The call between the visitor and the resident is terminated by controlling the circuit 28 to cut off the above-described call line.

  Next, when reproducing the recorded data stored in the memory 24 of the main unit 2 by the automatic recording and / or manual recording as described above, The master CPU 20 that has detected the playback activation operation reads from the memory 24 a screen for requesting the resident to input a password (for playback of recorded data) (hereinafter referred to as a playback operation screen), and monitors 25. To display.

  In addition, a resident who has confirmed the playback operation screen displayed on the monitor 25 of the main unit 2 cannot know a suspicious person who illegally enters the dwelling unit through the operation unit 29 (reproduction of recorded data). When the password is input, the master CPU 20 collates the password (for reproduction of the recorded data) input on the operation unit 29 with the reproduction password stored in the memory 24.

  Here, when the passwords match as a result of the comparison described above, the master CPU 20 of the master unit 2 requests a resident to select recording data as a still image or a moving image to be displayed on the monitor 25 ( Hereinafter, the reproduction image selection request screen is read from the memory 24 and displayed on the monitor 25.

  Further, when the resident who has confirmed the reproduction image selection request screen displayed on the monitor 25 of the master unit 2 selects desired recording data with the operation unit 29, the master CPU 20 that has detected this selection operation is selected. The recorded data is read from the memory 24, and the read recording data is expanded via the recording circuit 23, so that the still image or moving image selected by the resident is displayed on the monitor 25.

  On the other hand, if the passwords do not match as a result of the comparison described above, the base unit CPU 20 of the base unit 2 does not input the password (for reproducing the recorded data) in the operation unit 29 by the resident. It is not detected that the reproduction image selection request screen is read from the memory 24 and displayed on the monitor 25 by detecting that it has been performed by a suspicious person who has illegally entered a dwelling unit where the password for reproduction is not known. Since the recorded data as a still image or a moving image on which the suspicious person's own video is projected is not displayed on the monitor 25, the crime prevention property is improved.

  Next, when the resident performs a predetermined erasure start operation on the operation unit 29 in erasing the recorded data stored in the memory 24 of the main unit 2 by automatic recording and / or manual recording as described above, The master CPU 20 that has detected the erasure activation operation reads from the memory 24 a screen for requesting the resident to input a password (for erasing the recorded data) (hereinafter referred to as an erasure operation screen), and monitors the monitor 25. To display.

  Further, a resident who has confirmed the erasure operation screen displayed on the monitor 25 of the main unit 2 cannot know a suspicious person who illegally enters the dwelling unit by using the operation unit 29 (deletion of recorded data). When the password is input, the master CPU 20 collates the password (for deleting the recorded data) input on the operation unit 29 with the deletion password stored in the memory 24.

  Here, if the passwords match as a result of the comparison, the master CPU 20 of the master unit 2 requests a resident to select recording data to be erased from the memory 24 (hereinafter referred to as an erased image selection request screen). .) Is read from the memory 24 and displayed on the monitor 25.

  Further, when the resident who has confirmed the erased image selection request screen displayed on the monitor 25 of the master unit 2 selects desired recording data on the operation unit 29, the master unit CPU 20 that has detected this operation selects the selected recording data. The recorded data is erased from the memory 24, the erased date and time, one screen erase, one visit erase, or batch erase to erase all the recorded data. Erasing method such as whether main unit CPU 20 automatically deleted and deleted past recorded data, number of recorded videos deleted, date and time when deleted recorded video was recorded, automatic recording or manual recording The memory 24 stores the erasing information such as the recording method indicating the existence, the erasing information such as the number of recorded videos, or the erased recording information.

  On the other hand, if the passwords do not match as a result of the comparison described above, the base unit CPU 20 of the base unit 2 does not input the password (for deleting the recorded data) in the operation unit 29 by the resident. It is not detected that the deletion image selection request screen is read from the memory 24 and displayed on the monitor 25 by detecting that it has been performed by a suspicious person who has illegally entered a dwelling unit where the password for deletion cannot be known. Since the recorded data as a still image or a moving image on which the suspicious person's own video is projected is not erased from the memory 24, the crime prevention property is improved.

  Further, when the resident performs a predetermined read operation on the operation unit 29 when reading the above-described deletion information or history stored in the memory 24 of the base unit 2, the base unit CPU 20 that has detected the read operation, An information screen as shown in the explanatory diagram of FIG. 2 read from the memory 24 can be displayed on the monitor 25. This information screen includes the date and time of deletion, deletion of one screen, deletion of one visit, and recorded data. Erase method, such as whether to erase all, or to erase past recording data by the master CPU 20 automatically judging that there is no free space in the recording storage area of the memory, and erased recording The number of videos, the date and time when the erased recorded video was recorded, the recording method indicating whether it was automatic recording or manual recording, erase information such as the number of recorded videos, or erased recording information Since the history of deletion operation is displayed, even if the past recording data is updated so that the upper limit of the capacity of the memory 24 is exceeded and the past recording data is deleted, the past recording data that has been deleted exists. You can easily check information and history of what was happening.

  In addition, in the television door phone device according to the embodiment of the present invention, the slave unit 1 is applied to a detached house so that the slave unit 1 is installed at the entrance of the dwelling unit, and the master unit 2 is installed in the dwelling unit. It is also possible to install the slave unit 1 at the entrance of an apartment house such as a condominium (agree with the collective entrance and shared entrance) and the master unit 2 (2, 2,...) Have the same effect.

The block diagram which shows the concrete structure of the television door phone apparatus by the Example of this invention. Explanatory drawing which shows an example of the screen (information screen) displayed on the monitor of a main | base station in the television door phone apparatus by the Example of this invention.

Explanation of symbols

1 …… Slave unit 11 …… Camera 2 …… Base unit 24 …… Memory 25 …… Monitor 29 …… Operation unit

Claims (2)

The image captured by the camera (11) of the child device (1) is displayed on the monitor (25) of the parent device (2), and the image captured by the camera is displayed on the operation unit (29) of the parent device. A TV door phone device that stores as a still image or a moving image in the memory (24) of the parent device by the operation
When erasing the recorded data stored in the memory by operating the operation unit of the base unit, the date and time of erasure, the erasing method, the number of erased recorded videos, and the erased recorded video are recorded. A TV door phone apparatus, wherein the memory stores erasure information such as date and time, recording method, number of recorded videos, etc., or erasure operation history as erased recording information.   2. The TV door phone apparatus according to claim 1, wherein when the recorded data stored in the memory of the parent device is reproduced or deleted, the operation unit is operated and a password is input.

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