JP2001007927A - Interphone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve user-friendliness for reporting and conforming of paging contents. SOLUTION: When the paging channel selecting function and the speaking function of one of plural interphone master machines 1a, 1b, 1c,...1n are made active, contents of paging are reported from plural speakers 5a, 5m, 5c,...5n for paging through a paging adapter 2 and an amplifier 3 for paging, and they are recorded in a sound storage part 4a included in a paging storage device 4 while the paging channel selecting function is made active. The activated paging channel selecting function is made inactive, time counting of a timer part 4b included in the paging storage device is started, and contents of paging recorded in the sound storage part are erased after a certain time. Contents of paging recorded in the sound storage part are reproduced while the paging storage device channel selecting function of one interphone master machine is made active.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom apparatus, and more particularly to an intercom apparatus with improved convenience when notifying and confirming paged contents.

[0002]

2. Description of the Related Art Conventionally, as an intercom apparatus having a paging function, an intercom apparatus having a configuration shown in a block diagram of FIG. 2 has been proposed.

The intercom apparatus shown in FIG. 1 has a plurality of intercom master units 51a, 51b, 51c,... 51 provided with functions of channel selection (paging channel selection), calling, and talking.
n, a paging adapter 52 provided with a communication path forming switch SW51 controlled (paging selection control) via a paging selection control line L51 by a channel selection function of the intercom master unit, a communication path line L52, and paging. A paging amplifier 53 and a paging amplifier 5 that amplify an audio signal generated by the call function of the intercom master unit via a paging channel transmission switch L51 and a paging audio transmission line L53.
., 54n, which is connected to the bus 3 and is sounded by an audio signal via the paging amplifier and paging. In addition, each intercom master unit 51a, 51b,
The illustration and description of the lines that control operations such as calling, calling notification, and calling established between 51c,... 51n are omitted.

In the intercom apparatus thus configured, a plurality of paging speakers 54a, 54b,
When a person who wants to page at 54c,... 54n activates the channel selection function of an arbitrary (one) intercom master device, here, intercom master device 51a, the paging channel selection control line L51 is transmitted from the intercom master device 51a. The normally open contact of the communication path formation switch SW51 forming the paging adapter 52 is closed by the paging channel selection control via the paging adapter 52, and the communication path line L52 from the intercom master unit 51a and the closed communication path formation switch SW5 forming the paging adapter 52 are closed.
1. An audio signal transmission path between the paging audio transmission lines L53 is formed. Here, when the call function of the intercom master unit 51a is activated and a voice signal is input, the voice signal is amplified by the paging adapter 53 via the above-described voice signal transmission path, and a plurality of paging speakers are provided. By ringing each of 54a, 54b, 54c,... 54n, the contents of the paging are notified.

[0005]

However, since the conventional intercom apparatus is configured as described above,
In addition to the disadvantage that it is likely that some of the contents of the paging will be overlooked due to sudden paging, in addition to identifying the intercom master unit that is the source of the paging even when trying to hear the details of the missed paging, There is a possible disadvantage, which hinders the convenience of notifying and confirming the paged contents.

[0006] As means for solving the above-mentioned difficulties,
A paging broadcast system in an automatic exchange system capable of confirming the contents of paging (Japanese Patent Laid-Open Publication No. 6-268750) has been proposed. A dedicated device (broadcast information display device) must be used for confirmation, which increases the cost, and the contents of the paging recorded for paging remain over time, which is inefficient. There was a disadvantage.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned difficulties. The present invention has been made to record the contents of a page after the notification of the contents of the page, delete the contents with a lapse of a predetermined time, and delete the contents of the page that has been missed. It is an object of the present invention to provide an intercom apparatus in which re-listening is possible, thereby improving the convenience of notifying and confirming the paged contents.

[0008]

In order to achieve the above object, an intercom apparatus according to the present invention provides a paging adapter controlled by one interphone master among a plurality of interphone masters. And an intercom apparatus for performing paging to a plurality of paging speakers via a paging amplifier, wherein a paging channel selection signal from one intercom master unit is input from a paged content of an audio signal output from a paging adapter. While the recording is stopped, the recording is stopped when the paging channel selection signal is lost, and the content is reproduced while the paging storage device selection signal is input from the other intercom master unit, and the reproduced audio signal is reproduced. Memory to send the other to the intercom master unit, and whether the recording was stopped Those having a paging storage device having a timer unit for erasing the storage erase signal the contents of the recorded paged voice storage unit after a predetermined time elapses.

According to such an intercom apparatus, when the paging channel selection function and the call function of one of the plurality of intercom masters become active,
The contents of the paging are reported from a plurality of paging speakers via a paging adapter and a paging amplifier, and are recorded in a voice storage unit forming a paging storage device while the paging channel selection function is active. When the paging channel selection function is changed from active to inactive, the timer of the paging storage device starts counting time, and the contents of the paging recorded in the voice storage unit are erased as a certain time elapses. Further, while the paging storage device tuning function of one intercom master unit is active, the contents of the paging recorded in the audio storage unit are reproduced. Thereby, the convenience at the time of notification and confirmation of the paged content is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment to which an intercom apparatus according to the present invention is applied will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of an intercom apparatus according to the present invention. The respective functions of channel selection (paging channel selection, paging storage device channel selection), calling, and calling (including paging notification). Are provided, and a first communication path formation switch SW1 controlled by the paging channel selection function of the interphone parent device (paging channel selection control). And a paging amplifier 3 for inputting and amplifying an audio signal by a call function of the intercom master unit via a first call path forming switch SW1 controlled by the paging channel which forms the paging adapter 2; In the same manner as described above, the paging adapter 2 controls the paging channel through the first communication path forming switch SW1 and controls the paging. Recording the paged content of the audio signal by the calling function of the master unit, ending the recording with the end of the paging channel selection control, and paging the audio signal recorded by the paging storage device channel selection function of the intercom master unit. Voice storage unit 4 for playing back the contents
a, a timer section 4b provided with a memory erasing function for erasing a paged content of an audio signal recorded after a lapse of a predetermined period of time from the end of paging channel selection control, and a paging memory of the intercom master unit. A paging storage device 4 composed of a second communication path formation switch SW2 controlled by a device selection function (paging storage device tuning control), and a plurality of paging devices which are sounded and paged by an audio signal via a paging amplifier 3. .. 5n. The speakers 5a, 5b, 5c,.

Each intercom master unit 1a, 1b, 1c,...
1n is a first communication path forming switch SW1 which forms the paging adapter 2 via the paging channel control line L1
, A first control input unit of the voice storage unit 4a forming the paging storage device 4 and a control input unit of the timer unit 4b, respectively, and the first forming the paging adapter 2 through the communication line L2. Communication path formation switch S
Second switching contact of W1 and paging storage device 4
And a second control input unit of a voice storage unit 4a forming a paging storage device 4 via a paging storage device selection control line L3 and a second communication terminal. Each is connected to the control input of the road forming switch SW2. The paging speakers 5a, 5b, 5c,... 5n are connected to the normally open contact of the first communication path forming switch SW1 forming the paging adapter 2 via the paging audio transmission line L4 and the paging amplifier 3. In addition to being connected to a bus, a voice input unit of a voice storage unit 4a constituting the paging storage device 4 is connected via a paging voice transmission line L4. Further, a control output section of the timer section 4b is connected to a third control input section of the voice storage section 4a of the paging storage device 4, and a normally open contact of the second communication path formation switch SW2 is connected to the voice output section. Have been.

As in the prior art, illustration and description of the line for controlling operations such as calling, calling notification, and talking between the intercom master units 1a, 1b, 1c,. Omitted.

The operation of the intercom apparatus configured as described above will be described below.

A plurality of paging speakers 5a, 5b,
The person who wants to page at 5c,... 5n is arbitrary (1
) Intercom master, here intercom master 1
When the paging channel selection function a is activated, a paging channel selection signal S1 is output from the intercom master unit 1a. The paging channel selection signal S1 is transmitted via a paging channel control line L1 to a control input section of a first communication path forming switch SW1 forming a paging adapter 2 and a first input of a voice storage section 4a forming a paging storage device 4. The input to the control input unit and the control input unit of the timer unit 4b respectively closes the normally open contact of the first communication path formation switch SW1, and the communication path line L
2. A plurality of paging speakers 5a, 5b, 5c via a closed first communication path forming switch SW1 forming a paging adapter 2 and a paging voice transmission line L4.
.. A first voice signal transmission path between the paging amplifiers 3 connected to the bus 5n, and a closed first communication path forming switch forming the communication path line L2 and the paging adapter 2 from the intercom master unit 1a. A second audio signal transmission path between the audio storage units 4a forming the paging storage device 4 is formed via the SW1 and the paging audio transmission line L4. Here, when the call function of the intercom master unit 1a is activated and a voice signal is input, the voice signal S2 is amplified by the paging amplifier 3 via the first voice signal transmission path formed as described above. A plurality of paging speakers 5a, 5b, 5c,...
Is transmitted to the voice input unit of the voice storage unit 4a forming the paging storage device 4 via the voice signal transmission path of
a is a paging channel selection signal S from the intercom master unit 1a.
Record the paged contents of the audio signal while 1 is being input. The timer section 4b is inactive while the paging channel selection signal S1 is being input from the intercom master 1a.

Thereafter, when the paging channel selection function of the intercom master unit 1a is deactivated and the input of the paging channel selection signal S1 to the voice storage unit 4a and the timer unit 4b constituting the paging storage unit 4 is stopped, the voice storage unit The recording of the audio signal to 4a is stopped, and at the same time, the timer unit 4b becomes active and time measurement is started. When the timer section 4b detects that the predetermined time has elapsed and the time is up, the storage section erase signal S3 is output and the second section of the voice storage section 4a is output.
Is input to the control input unit. By detecting the memory erasure signal S3 in the audio storage unit 4a, the paged contents of the recorded audio signal S2 are erased.

Next, each of the above-mentioned paging speakers 5
a, 5b, 5c,... 5n, to confirm the person who missed the contents of the paging notified (one)
When the paging storage device selecting function of the intercom master device 1b, here, the intercom master device 1b is activated, the paging storage device tuning signal S4 is output from the intercom master device 1b. The paging storage device tuning signal S4 is supplied to the control input section of the second communication path forming switch SW2 forming the paging storage device 4 and the third control input of the voice storage section 4a via the paging storage device tuning control line L3. The second communication path formation switch SW
2 normally open contacts are closed, and a plurality of intercom master units 1a,
.. 1n form a third voice signal transmission path between the voice storage units 4a via the voice path line L2 and the closed second voice path formation switch SW2 forming the paging storage device 4. Is done. The audio storage unit 4a reproduces (outputs) the audio signal S2 recorded while the paging storage device tuning signal S4 is being input. The audio signal S2 is transmitted to the plurality of intercom master units 1a, 1b, 1c,.
By activating the paging notification function transmitted to each other and forming a call function, a person who has missed the contents of the paging can check the contents of the paging with the intercom master unit 1b having the paging storage device channel selection function activated. Can be.

[0018]

As is apparent from the above description, according to the intercom apparatus of the present invention, the paged content is recorded after the notification of the paged content, and the paged content is erased with the lapse of a predetermined time, and is missed. By making it possible to hear the contents of the paging again, it is possible to improve the convenience of notifying and confirming the contents of the paging.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of an intercom apparatus according to the present invention.

FIG. 2 is a block diagram showing a configuration of a conventional intercom apparatus.

[Explanation of symbols]

1a, 1b, 1c,... 1n... Plural intercom master units 2... Paging adapter 3... Paging amplifier 4... Paging storage device 4a. ..Sound storage unit 4b ........ Timer unit 5a, 5b, 5c,... 5n... Multiple paging speakers S1... Paging selection signal S2. Signal S3: Memory erasing signal S4: Paging memory station selection signal

Claims (1)

[Claims] A plurality of intercom master units (1a, 1b, 1);
c,... 1n), a plurality of paging speakers (5a, 5b) from one intercom master via a paging adapter (2) and a paging amplifier (3) controlled by the one intercom master. , 5c, ... 5
n) for performing paging on the audio signal (S) output from the paging adapter.
The paged content of 2) is recorded while the paging channel selection signal (S1) is being input from the one intercom master unit, and if the paging channel selection signal is no longer input, the recording is stopped and the other interphones are stopped. An audio storage unit (4a) for reproducing the contents while the paging storage device tuning signal (S4) is being input from the master unit and transmitting the reproduced audio signal to the other intercom master unit; A paging storage device (4) having a timer unit (4b) for erasing the contents of paging recorded in the voice storage unit by a storage erasure signal (S3) after a predetermined time has elapsed from the time when the recording was stopped. An intercom device comprising: