JPH066474A - Residential information equipment - Google Patents

Abstract

PURPOSE:To decrease wiring density, to simplify tasks and to reduce debugging man-hour by connecting an analog CPU and a digital CPU with a command data line. CONSTITUTION:A residential information terminal EQ1 is divided into a digital part 1 and an analog part 11 and the digital CPU 6 and the analog CPU 12 are connected with the command data line L2. A graphic/character liquid crystal display panel 2 for displaying communication menus such as a line wire, an intercom and an extension, etc., is provided in the digital part 1, the various kinds of commands are transmitted/received between the digital CPU 6 and the analog CPU 12 according to the communication menu, video signal processed by the video circuit 15 of the analog part 11 are transmitted to the graphic/ character liquid crystal display panel 2 of the digital part 1 and audio signals are transmitted/received within the extensions and between the line wire or the intercom 22 with a camera and the extensions.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a home information device,
The present invention relates to a home information device including a home information terminal including an analog unit and a digital unit.

[0002]

2. Description of the Related Art As shown in FIG. 2, a conventional housing information device has a graphic display liquid crystal panel 31, a liquid crystal panel drive circuit 32, a ten-key pad 33, an input circuit 34, a data circuit 35, a transmission / reception device. Circuit 36 to which the device 38 is connected, the video circuit 37, the demultiplexing circuit 39 and the CPU
Housing information terminals EQ ₂₁ , EQ ₂₂ ... Having 40, and a main device 21 and a camera eye 22a to which the outside line L ₁ is connected,
It is composed of a door intercom 22 with a camera in which a speaker 22b, a microphone 22c, and a call button 22d are mounted. Under the control of the main unit 21, the house information terminals EQ ₂₁ , EQ ₂₂ ... External line call via L ₁ and residential information terminals EQ ₂₁ , EQ ₂₂ .. ・ Mutual extension line call is possible.

The numeric keypad 33 is connected to the CPU 40 of the housing information terminal EQ ₂₁ via the input circuit 34. Further, the data circuit 35 to which the control line of the CPU 40 is connected,
The audio circuit 36 and the video circuit 37 are connected to the demultiplexing circuit 39, and the demultiplexing circuit 39 is connected to the main device 21 via the terminal T ₅ in a bus system. Further, a video circuit 37 is connected to the liquid crystal panel drive circuit 32 controlled by the CPU 40, and a video signal output from the video circuit 37 is sent to the graphic display liquid crystal panel 31 via the liquid crystal panel drive circuit 32.

With the above-mentioned housing information device, a housing information terminal EQ ₂₁
When making a doorphone call between the camera and the intercom 22 with camera, when the handset 38 is off-hook, the CPU 40 sends a control signal to the liquid crystal panel drive circuit 32. When the liquid crystal panel drive circuit 32 receives the control signal, the liquid crystal panel drive circuit 32 drives the graphic display liquid crystal panel 31, so that the graphic display liquid crystal panel 31 displays an outside line, an extension line, and a menu for intercom conversation. When, for example, 3 is pressed with the ten-key 33 to select the menu for the intercom call, a call menu selection signal is sent from the input circuit 34 to the CPU 40. When the CPU 40 receives the call menu selection signal, it sends a control signal to the main unit 21 via the data circuit 35 and controls the audio circuit 36 and the video circuit 37. A video signal and a speaker 22b captured by the camera eye 22a of the intercom 22 with camera
The voice signal is multiplexed and sent to the demultiplexing circuit 39 via the main unit 21. The video signal separated by the demultiplexing circuit 39 is sent to the liquid crystal panel drive circuit 32 via the video circuit 37 and is monitored by the graphic display liquid crystal panel 31. The voice signal is received by the handset 38, and the voice signal on the transmission side is sent from the demultiplexing circuit 39 to the intercom 2 with camera.
It is sent to the second speaker 22b.

In this housing information device, since one CPU realizes many functions, the hardware is constructed on one board, and various circuits connected to the CPU and I / O system for inputting / outputting. , The wiring density increases,
There are difficulties such as the need for advanced packaging technology. Further, the software also controls all the interfaces, which causes a problem that the number of tasks increases and a large ROM is required. Therefore, there is a problem that it is necessary to debug man-hours according to the number of tasks.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks. The function is divided into an analog section and a digital section, and the analog CPU and the digital CPU are connected by a command data line, whereby the wiring density is reduced and the task is reduced. It is an object of the present invention to provide a housing information device with high flexibility in system change and development by simplifying the system, reducing the number of debugging steps.

[0007]

A housing information device according to the present invention is a housing information terminal, a main device to which a doorphone with a camera and an outside line are connected, and a housing information terminal connected to the main device and capable of mutual extension communication. The housing information terminal is provided with a graphic / character liquid crystal display panel for displaying a call menu such as an outside line, an intercom, and an extension line, and a digital CPU for performing control according to the call menu displayed on the graphic / character liquid crystal display panel. A digital section, an analog section provided with an analog CPU for controlling an audio circuit, a video circuit, and a data circuit for transmitting / receiving an analog audio / video signal and data through a demultiplexing circuit connected to the main device; and a digital section. And a command data line for connecting the analog section.

[0008]

[Function] When the housing information terminal is divided into a digital section and an analog section and the digital CPU and the analog CPU are connected by the command data line, the graphic / character liquid crystal display panel provided in the digital section can be used for a call menu such as an outside line, a doorphone, and an extension line. Is displayed. According to this call menu, digital CPU
Various commands are sent and received between the analog CPU and the analog CPU, and the video signal processed by the video circuit of the analog section is sent to the graphic / character liquid crystal display panel of the digital section, and the voice signal is adjusted to the extension line, the external line or the camera according to the call menu. It is sent and received with the intercom and the extension.

[0009]

[Embodiment] An embodiment of a home information system according to the present invention
Will be described in detail with reference to FIG. The housing information device according to the present invention is
As shown in FIG. 1, a graphic / character liquid crystal display panel 2, a liquid crystal
Panel drive circuit 3, numeric keypad 4, input circuit 5 and digitizer
A digital section 1 provided with a CPU 6, a data circuit 13,
An audio circuit 14, a video circuit 15, to which a handset 16 is connected,
An analog circuit provided with the demultiplexing circuit 17 and the analog CPU 12.
Housing information terminal EQ with log unit 11₁, EQ₂.....
And the outside line L₁Main device 21 and camera eye 2 connected to
2a, speaker 22b, microphone 22c, call button 22d
The main device 21 is composed of the mounted doorphone 22 with a camera.
House information terminal EQ by control of ₁, EQ₂.... and camera
Doorphone 22 with intercom, outside line L₁Outside line through
Call and housing information terminal EQ₁, EQ₂.... Mutual extension
I can talk.

The digital CPU 6 of the digital section 1 of the housing information terminal EQ ₁ and the analog CPU 12 of the analog section 11 are connected by the command data line L ₂ via terminals T ₁ and T ₃ , and the liquid crystal panel drive circuit 3 and the video circuit 15 are connected. Is terminal T ₂ ,
The image line L ₃ is connected via T ₄ . Further, the numeric keypad 4 of the digital section 1 is connected to the digital CPU 6 via the input circuit 5.
, The control line of the digital CPU 6 is connected to the liquid crystal panel drive circuit 3, and the liquid crystal panel drive circuit 3 is connected to the graphic / character liquid crystal display panel 2.

The control line of the analog CPU 12 of the analog section 11 is connected to the data circuit 13, the audio circuit 14 and the video circuit 15 to which the handset 16 is connected, and the data circuit 13,
The audio circuit 14 and the video circuit 15 are connected to the demultiplexing circuit 17. Also, the demultiplexing circuit 17 is the housing information terminal EQ.
It is connected to the main unit 21 via the terminal T ₅ of _{1 by} a bus method.

With the above-mentioned housing information device, housing information terminal EQ ₁
If the handset 16 is off-hook when an intercom call is made between the camera-equipped intercom 22 and the camera-equipped intercom 22, the audio circuit 14 informs the analog CPU 12 that the handset 16 is off-hook.
To notify. The analog CPU 12 sends this notification to the digital CPU 6 via the terminal T ₃ , the command data line L ₂ , and the terminal T ₁ . The digital CPU 6 controls the liquid crystal panel drive circuit 3 by the command data received via the command data line, and the liquid crystal panel drive circuit 3 drives the graphic / character liquid crystal display panel 2 by this control.
The graphic / character liquid crystal display panel 2 displays an outside line, an extension line, and a menu for intercom communication. When, for example, 3 is pressed with the ten-key 4 to select the menu for the intercom call, a call menu selection signal is sent from the input circuit 5 to the digital CPU 6. When the digital CPU 6 receives the call menu selection signal, it sends command data to the analog CPU 12 via the command data line L ₂ to indicate that the call menu for intercom communication is selected. Analog CPU1
2 sends a control signal to the main unit 21 via the data circuit 13 by this command data and controls the audio circuit 14 and the video circuit 15. Video signal and speaker 22 photographed by the camera eye 22a of the doorphone 22 with camera
The audio signal of b is multiplexed and sent to the demultiplexing circuit 17 via the main unit 21. The video signal separated by the demultiplexing circuit 17 is sent from the video circuit 15 to the liquid crystal panel drive circuit 3 via the video line L3 and monitored by the graphic / character liquid crystal display panel 2. In addition, the callee telephone number is displayed in characters for outside line calls, etc.

[0013]

In the housing information device according to the present invention, the function is divided into the analog part and the digital part, and the analog CPU and the digital CPU are connected by the command data line.
Wiring density is reduced, tasks are simplified, debugging man-hours are reduced, and system changes and development are highly flexible.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a house information device according to the present invention.

FIG. 2 is a block diagram of a conventional home information device.

[Explanation of symbols]

1-Digital unit 6-Digital CPU 11-Analog unit 12-Analog CPU 21-Main device 22- ... with a camera-equipped intercom L ₃ ······ command data lines

Claims (1)

[Claims] 1. A house information device comprising a doorphone with a camera, a main device to which the doorphone with the camera and an outside line are connected, and a house information terminal connected to the main device and capable of mutual extension communication, wherein the outside line is provided. , A digital unit provided with a graphic / character liquid crystal display panel for displaying a call menu such as an intercom and an extension line, and a digital CPU for performing control according to the call menu displayed on the graphic / character liquid crystal display panel,
An analog section provided with an analog CPU for controlling an audio circuit, a video circuit, and a data circuit for transmitting and receiving an analog audio / video signal and data through a demultiplexing circuit connected to the main device, the digital section and the analog section And a command data line for connecting to the housing information device.