JP2801467B2 - Housing information device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing information device,
The present invention relates to a housing information device including a housing information terminal including an analog unit and a digital unit.

[0002]

2. Description of the Related Art As shown in FIG. 2, a conventional house information apparatus has a graphic display liquid crystal panel 31, a liquid crystal panel drive circuit 32, a numeric keypad 33, an input circuit 34, a data circuit 35, and a transmission / reception. Circuit 36, video circuit 37, demultiplexing circuit 39, and CPU
Housing information terminal EQ ₂₁ having a 40, EQ ₂₂ · · · · · · and the main unit 21 and the camera eye 22a of the external line L ₁ is connected,
Speaker 22b, a microphone 22c, consists of a camera equipped intercom 22 which implements the call button 22 d, intercom call housing information terminal EQ _21, EQ ₂₂ · · · · · · and the camera-equipped intercom 22 under the control of the main unit 21, external External line communication via L ₁ and mutual internal line communication can be performed with the housing information terminals EQ ₂₁ , EQ ₂₂ ....

A ten key 33 is connected to a CPU 40 of the house information terminal EQ ₂₁ via an input circuit 34. A data circuit 35 to which a control line of the CPU 40 is connected;
Audio circuit 36, a video circuit 37 is connected to the demultiplexer 39, the demultiplexer 39 is connected to the main unit 21 by a bus system via the terminal T _5. 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.

The above-mentioned house information device uses a house information terminal EQ _21.
When intercoming between the camera and the intercom with camera 22, 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, it drives the graphic display liquid crystal panel 31, so that the graphic display liquid crystal panel 31 displays the outside line, the internal line, and the menu of the intercom call. When, for example, 3 is depressed with the ten keys 33 in order to select the menu for the intercom call, a call menu selection signal is transmitted from the input circuit 34 to the CPU 40. Upon receiving the call menu selection signal, the CPU 40 sends a control signal to the main device 21 via the data circuit 35 and controls the audio circuit 36 and the video circuit 37. Video signal and speaker 22b taken by camera eye 22a of door phone 22 with camera
Are 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 audio signal is received by the handset 38, and the audio signal on the transmitting side is sent from the demultiplexing circuit 39 to the camera-equipped intercom 2.
2 to the second speaker 22b.

[0005] In this house information apparatus, in order to realize many functions by one CPU, hardware is formed on one board, and various circuits connected to the CPU and I / O system for input / output are provided. Are connected, the wiring density increases,
There are disadvantages such as the need for advanced mounting technology. In addition, software also controls all interfaces, and thus has the disadvantage that the number of tasks increases and a large ROM is required, and that the number of steps according to the number of tasks must be debugged.

[0006]

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

[0007]

SUMMARY OF THE INVENTION A housing information apparatus according to the present invention is a housing information terminal having a camera door phone, a main apparatus to which a camera door phone and an outside line are connected, and a home information terminal connected to the main apparatus and capable of making an extension call with each other. The housing information terminal is provided with a graphic / character liquid crystal display panel for displaying a call menu such as an outside line, a door phone, and an extension, and a digital CPU for performing control according to the call menu displayed on the graphic / character liquid crystal display panel. A digital unit, an analog circuit provided with an analog CPU for controlling an audio circuit, a video circuit, and a data circuit for transmitting and receiving analog audio / video signals and data via a demultiplexing circuit connected to the main device; And a command data line for connecting the analog section.

[0008]

When the home information terminal is divided into a digital part and an analog part, and the digital CPU and the analog CPU are connected by a command data line, a communication menu such as an outside line, a door phone, and an inside line is displayed on a graphic / character LCD panel provided in the digital part. Is displayed. According to the call menu, the digital CPU
Various commands are transmitted and received between the CPU and the analog CPU, the video signal processed by the video circuit in the analog section is sent to the graphic / text LCD panel in the digital section, and the audio signal is sent to the extension line, outside line or camera according to the call menu. It is sent and received between the door phone and the extension.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a house information device according to the present invention will be described below in detail with reference to FIG. As shown in FIG. 1, the housing information device according to the present invention includes a digital unit 1 provided with a figure / character liquid crystal display panel 2, a liquid crystal panel drive circuit 3, a numeric keypad 4, an input circuit 5, and a digital CPU 6, a data circuit 13,
An audio circuit 14, a video circuit 15, to which a handset 16 is connected,
Housing information terminals EQ ₁ , EQ _2, ... Provided with a demultiplexing circuit 7 and an analog section 11 provided with an analog CPU 12.
The main device outside line L ₁ is connected 21 and the camera's eye 22
a, a speaker 22b, a microphone 22c, and a door phone with a camera 22 on which a call button 22d is mounted. Under the control of the main unit 21, the home information terminals EQ ₁ , EQ ₂ ... , external L ₁ the external call and housing information terminal EQ _1, EQ ₂ ······ mutual extension call can through.

The digital CPU 6 of the digital unit 1 of the house information terminal EQ ₁ and the analog CPU 12 of the analog unit 11 are connected by a 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 Is the terminal T ₂ ,
Through of T ₄ are connected by a video line L _3. The numeric keypad 4 of the digital unit 1 is connected to a digital CPU 6 via an input circuit 5.
The control line of the digital CPU 6 is connected to the liquid crystal panel driving circuit 3, and the liquid crystal panel driving circuit 3 is connected to the graphic / character liquid crystal display panel 2.

A control line of an analog CPU 12 of the analog section 11 is connected to a data circuit 13, an audio circuit 14 and a video circuit 15 to which a transmitter / receiver 16 is connected.
The audio circuit 14 and the video circuit 15 are connected to the demultiplexing circuit 7. Moreover, the demultiplexer 7 is connected with the main unit 21 and the bus system via the terminal T ₅ of the housing information terminal EQ _1.

[0012] The above-mentioned house information device uses a house information terminal EQ _1.
When the intercom is connected between the camera and the intercom with camera 22, when the handset 16 is off-hook, the audio circuit 14 informs the analog CPU 12 that the handset 16 is off-hook.
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 driving circuit 3 based on the command data received via the command data line, and the liquid crystal panel driving circuit 3 drives the graphic / character liquid crystal display panel 2 by this control.
The graphic / character liquid crystal display panel 2 displays an external line, an internal line, and a menu for a door phone call. When, for example, 3 is depressed on the numeric keypad 4 to select the menu for the intercom call, a call menu selection signal is transmitted from the input circuit 5 to the digital CPU 6. Digital CPU6 sends the command data indicating that the call menus call menus doorphone call via the command data line L ₂ receives the selection signal to the analog CPU12 is selected. Analog CPU
Reference numeral 12 sends a control signal to the main unit 21 via the data circuit 13 in accordance with the command data, and outputs an audio circuit 14
And the video circuit 15. Video signal and speaker 2 captured by camera eye 22a of door phone 22 with camera
The audio signal 2b is multiplexed and sent to the demultiplexing circuit 17 via the main unit 21. Video signal separated by the demultiplexer 17 is sent via the video line L ₃ from the video circuit 15 to the liquid crystal panel drive circuit 3, it is monitored by the graphic / character liquid crystal display panel 2. In the case of an outside call, the call destination telephone number is displayed in characters.

[0013]

According to the housing information apparatus of the present invention, the functions are divided into an analog section and a digital section, and the analog CPU and the digital CPU are connected by a command data line.
Reduction of wiring density, simplification of tasks, and reduction of debugging man-hours have a high effect of system change and development flexibility.

[Brief description of the drawings]

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

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

[Explanation of symbols]

1 Digital part 2 Graphic / character liquid crystal display panel 6 Digital CPU 7 Demultiplexing circuit 11 Analog part 12 ... Analog CPU 13 ... Data circuit 14 ... Audio circuit 15 ... Video circuit 21 ... Main device 22 ... ... intercom with camera L ₃ ······ command data line EQ _1, EQ ₂ ······ housing information terminal

[Brief description of the drawings]

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

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

[Explanation of symbols]

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

Claims (1)

(57) [Claims] 1. A housing information apparatus comprising: a door phone with a camera; a main device to which the door phone with a camera and an outside line are connected; and a housing information terminal connected to the main device and capable of making an internal call with each other. A digital unit having a graphic / character liquid crystal display panel for displaying a call menu such as a door phone and an extension, and a digital CPU for performing control according to the call menu displayed on the graphic / character liquid crystal display panel;
An analog unit having an analog CPU for controlling an audio circuit, a video circuit, and a data circuit for transmitting and receiving analog audio / video signals and data via a demultiplexing circuit connected to the main unit; the digital unit and the analog unit And a command data line for connecting to a home information device.