JP2000270111A - Interphone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a security by integrating an identification number input button with the calling button of an intercom slave unit and hiding the identification number input button. SOLUTION: In this interphone system, the intercom slave unit 1 is provided with the identification number input button 4 for unlocking an electric lock 13 by an identification number in an unlocking mode and the calling button 9 for calling a living room master unit 12 in a calling mode, the calling button 9 and the identification number input button 4 are formed into an integrated button 10, the calling button 9 is exposed from the hole 22 of a lid 21 and the identification number input button 4 is hidden by the lid 21. The calling button 9 becomes callable by switching a mode switching part 8 by a mode changeover and reset button 6 and turning a calling detection part 2 and an interphone circuit part 3 to a connected state. The identification number input button 4 unlocks the electric lock 13 by switching the mode switching part 8 by the mode changeover and reset button 6 and turning a button input detection part 5 and an electric lock controller 11 to the connected state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an intercom apparatus, and more particularly, to an intercom apparatus having a password input button integrated with a call button of a door phone slave unit.

[0002]

2. Description of the Related Art Conventionally, there has been known an intercom apparatus which unlocks an electric door of a front door provided with an electric lock which is installed at an entrance and which does not unlock unless a personal identification number is inputted by a personal identification number input device. . As shown in FIG. 3, such an intercom apparatus includes a living room master unit 36, a door phone slave unit 34 connected to the living room master unit 36, and a personal identification number input device 30, and the living room master unit 36 has a door phone Handset 3
4 and the password input device 30 are an entrance door 38 with an electric lock.
And the intercom slave unit 34 and the password input device 30 are adjacent to each other. The parent device 36 has an unlocking button 37 and an electric lock adapter 35, and is connected to the personal identification number input device 30 and the electric lock 39 via the electric lock adapter 35.

A password input device 30 for unlocking an electric lock 39 of an entrance door 38 with an electric lock has a dedicated case 31 and a lid 32, and the surface of the case 31 with the lid 32 opened has one face.
There is provided a password input button 33 to which numbers from to 5 are assigned. When the password for unlocking the electric lock 27 is input by pressing the password input button 33, an unlock signal is input from the electric lock adapter 35 to the electric lock 39 of the entrance door 38 with the electric lock. So this electric lock 39
Can be unlocked.

[0004] In response to a call from the intercom slave unit 34, the electric lock 39 can be unlocked from within the room by operating the unlock button 37 of the room master unit 36.

[0005]

However, in such an intercom apparatus, since the password input device 30 is provided separately from the intercom slave unit 34, the location of the password input button 33 is easy to understand, so that anyone can use it. There is a disadvantage that the password number input button 33 can be easily touched.

The present invention has been made to solve such a conventional problem, and provides an intercom apparatus excellent in security by integrating a password input button with a call button of a door phone slave unit. The purpose is to:

[0007]

According to the present invention, there is provided an intercom apparatus for unlocking an electric lock using a password in an unlocking mode by a password, and for calling a parent device in a living room in a calling mode. Button on the intercom slave unit, a button input detector that detects the input of a PIN from the PIN input button, a call detector that detects the input of the PIN from the call button, and recognizes the selection of the call mode and unlock mode Mode switching and reset button, mode switching input detecting unit that detects input from the mode switching and reset button, mode switching unit that performs mode switching operation to the electric lock or living room master unit based on the output from the mode switching input detecting unit The call button and the password input button are formed as an integrated button to expose the call button from the hole in the lid and The signal input button is obtained by hidden by the lid.

According to such an intercom apparatus of the present invention, since the password input button is integrated with the call button of the intercom slave unit, it is not necessary to separately provide a password input apparatus. Since the number input button is provided so that it cannot be seen without opening the lid of the subcom unit, security can be improved.

Further, in the intercom apparatus of the present invention, it is preferable that the lid is provided with a mode switching button knob for operating a mode switching and reset button according to opening and closing of the lid. Thus, in the intercom unit in which the call button and the password input button are integrated, a call mode in which the intercom sub unit can call by simply opening and closing the lid, and the electric lock can be unlocked. An unlock mode can be selected.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an intercom apparatus according to the present invention will be described below with reference to the drawings. As shown in FIG. 1A, the intercom apparatus of the present invention includes a door phone slave unit 1 and a living room master unit 12 connected to the door phone slave unit 1, and the door phone slave unit 1 and the living room master unit 12 are electrically locked. The electric lock controller 11 is connected to an electric lock 13 of an entrance door with electric lock (not shown).

The intercom slave unit 1 has a password input button 4 for unlocking the electric lock 13 with the password in the unlock mode.
And a call button 9 for calling the living room master unit 12 in the call mode, and a mode switching and reset button 6 for recognizing selection between the call mode and the unlock mode. The intercom slave unit 1 provided with the password input button 4, the call button 9, and the mode switching and reset button 6 includes:
A button input detector 5 for detecting a password input from a password input button 4; a call detector 2 for detecting a call input from a call button 9;
Mode switching input detecting unit 7 for detecting an input from the control unit, a mode switching unit 8 for performing a mode switching operation to the electric lock 13 or the living room master unit 12 based on an output from the mode switching input detecting unit 7, a speaker SP and a microphone. Mic is connected, and the intercom circuit unit 3 that enables a call with the parent device 12 when the call mode is selected by the mode switching unit 8 is provided.

As shown in FIG. 1 (b), the intercom slave unit 1 provided with the password input button 4, the call button 9, and the mode switching and reset button 6 has a dedicated case 24 and a lid 21 as shown in FIG. Case 24 with the lid 21 opened
Is provided with a button 10 in which a call button 9 and a password input button 4 are integrated. This button 10
Is formed in a shape corresponding to the number of digits of the personal identification number.
As shown in FIG. 5, a star-shaped (☆) PIN number input button 4 having five vertices and a star-shaped PIN input button 4
And a circular call button 9 disposed at the center of the button. Each of the vertices of the star-shaped password input button 4 is assigned a number from 1 to 5 by one. Pressing each of these vertices inputs a password for unlocking the electric lock 13. be able to. The cover 21 is provided with a hole 22 so that only the circular call button 9 of the button 10 is exposed when the cover 21 is closed.

FIG. 1A shows the surface of the case 24.
, A speaker SP, a microphone Mic, and a mode switching and resetting button 6 are also provided. Note that the cover 21 is provided with a speaker hole 25 and a microphone hole 26 so that the speaker SP and the microphone Mic are exposed when the cover 21 is closed. Furthermore, this lid 2
1 is provided with a mode switching button knob 23 for operating the mode switching and reset button 6 according to the opening and closing of the lid 21.

The unlocking / calling operation of the intercom apparatus configured as described above will be described. First, in order to unlock the electric lock 13 of the entrance door with an electric lock by inputting a personal identification number, the lid 21 of the intercom slave unit 1 is opened and the star-shaped personal identification number input button 4 of the button 10 is exposed. . At this time, since the mode switching button knob 23 of the lid 21 is disengaged from the mode switching / reset button 6, the mode switching input unit 7 recognizes that the mode switching input for performing the unlocking operation has been input, and 8 outputs an output signal for selecting the unlock mode. Thereby, the button input detection unit 5 and the electric lock controller 11 are connected.

In this connection state, when a predetermined password is input with the star-shaped password input button 4, the button input detection unit 5 recognizes the input password, and the electric lock controller via the mode switching unit 8. The signal of the personal identification number input to 11 is transmitted. The electric lock controller 11 unlocks the electric lock 13 only when the transmitted code number signal matches the registered code number.

Next, the case where the electric lock 13 of the entrance door with electric lock is unlocked from the living room by a call from the intercom slave unit 1 will be described. When the call button 9 of the button 10 is pressed with the lid 21 of the intercom slave unit 1 closed, the mode switching button knob 23 of the lid 21 keeps the mode switching and reset button 6 pressed, so the mode switching input is performed. The detecting unit 7 is in a state where the calling mode is selected. In this case, the call detection unit 2 and the intercom circuit unit 3 are in a connected state. In this connection state, when an input from the call button 9 is sent to the call detection unit 2 as a call signal, the call signal detected by the call detection unit 2 is input to the intercom circuit unit 3 via the mode switching unit 8. . As a result, since it is possible to recognize that there is a call in the living room master unit 12, the electric lock 13 can be unlocked from the living room. Since the call detection unit 2 and the intercom circuit unit 3 are in a connected state, the speaker S of the
A call can be made between P and the microphone Mic and a handset (not shown) of the living room base unit 12.

According to the preferred embodiment of the present invention, the password input button 4 is formed in a star shape. However, the present invention is not limited to this. The password input button 4 can be concealed by the cover 21, and any shape may be used as long as the password can be easily input.

[0018]

As is apparent from the above description, according to the intercom apparatus of the present invention, the security code input button for inputting the security code is provided on the intercom slave unit, and is hidden by the lid of the intercom slave unit. Therefore, an intercom apparatus excellent in security can be provided.

[Brief description of the drawings]

FIG. 1 is a diagram showing a preferred embodiment of an intercom apparatus according to the present invention, wherein (a) is a circuit block diagram and (b)
Is a configuration diagram of a door phone handset.

FIG. 2 is a detailed view showing a button and a mode switching and reset button provided on a door phone slave unit used in the intercom apparatus of the present invention.

FIG. 3 is a configuration diagram showing a conventional intercom device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Door phone slave unit 2 ... Call detection part 4 ... PIN input button 5 ... Button input detection part 6 ... Mode switching and reset button 7 ... Mode switching input detection part 8. ..Mode switching part 9 ・ ・ ・ Call button 10 ・ ・ ・ Button 12 ・ ・ ・ Room parent machine 13 ・ ・ ・ Electric lock 21 ・ ・ ・ Cover 22 ・ ・ ・ Hole 23 ・ ・ ・ Mode switching button knob

Claims (2)

[Claims] 1. A security code input button (4) for unlocking an electric lock (13) with a security code in an unlock mode and a call button (9) for calling a living room master unit (12) in a call mode.
A button input detection unit (5) for detecting a password input from the password input button, a call detection unit (2) for detecting a call input from the call button, and the call A mode switching and reset button (6) for recognizing selection of a mode and the unlocking mode, a mode switching input detecting section (7) for detecting an input from the mode switching and reset button, and an output from the mode switching input detecting section And a mode switching unit (8) for performing a mode switching operation to the electric lock or the living room master unit by forming a button (10) in which the call button and the password input button are integrated. Button the lid (2
An intercom apparatus, wherein the interphone apparatus is exposed from the hole (22) of 1) and the password input button is hidden by the lid. 2. The intercom apparatus according to claim 1, wherein said lid is provided with a mode switching button knob for operating said mode switching and reset button in accordance with opening and closing of said lid.