JP2008211320A - Interphone master unit, and interphone system for multiple dwelling house - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interphone master unit having an internal timer and having a function of storing an occurring event together with its occurrence time, in which the event occurrence time to be recorded as history information is not reversed in time series, especially, even when the internal timer is corrected. <P>SOLUTION: The interphone master unit has an internal timer correcting means 10 of periodically receiving reference time information from external equipment having a reference timer and correcting internal time information, and also temporarily storing the current internal time information, and a storage means 12 of storing the occurring event as a history together with its occurrence time. The internal time correcting means 10 refers to temporarily stored internal time information right before the correction each time an event occurs, and stores time information based on the temporarily stored internal time information right before the correction in the storage means 12 while making it correspond to the occurring event when the current time of the internal timer 10B is slower than the internal time right before the correction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an interphone master unit having an internal clock and having a function of storing an event that has occurred together with the time of occurrence, and in particular, even when the internal clock is corrected, the time at the event occurrence time to be recorded as history information. The present invention relates to an interphone master unit that does not cause a series of inversions, and an intercom system for an apartment house that is configured using the interphone master unit.

  As this type of interphone master unit, an intercom system for collective housing as shown in Patent Document 1 has been proposed.

  This intercom system for collective housing is composed of a lobby intercom installed at the common entrance, an alarm monitoring panel installed in the manager's room, and an interphone master unit installed at each dwelling unit, connected to a doorphone cordless handset. Yes.

  The intercom master unit installed in each dwelling unit can be set in advance by the resident's operation in the home mode and the absence mode. In the home mode, a call can be made from each of the lobby intercom, alarm monitoring panel, and door phone slave unit. If there is, the resident is called, and if the resident answers, both parties can talk.

  On the other hand, in the absence mode, when there is a call from each of the lobby intercom, the alarm monitoring panel, and the door phone slave unit, the operation is as follows. In other words, when there is a call from each of the lobby intercom and the door phone slave unit, it accepts the visitor video and voice message, records the sent visitor video and voice message as a history, and the resident who has returned home can later confirm .

  Further, when there is a call from the alarm monitoring board in the absence mode, the voice message is received and the sent voice message is recorded as a history so that the resident who has returned can check later.

  The interphone master unit has an internal clock that measures the internal time. When a visitor video and a voice message are transmitted (hereinafter referred to as an event occurrence), the time at that time is associated as a time stamp. The internal clock has a function of periodically requesting reference time information from an external device that measures the reference time, and receiving and correcting the reference time information.

An interphone master unit having a function of correcting such an internal clock is also proposed in Patent Document 2 below, and receives reference time information from an NTP server which is an external device via an alarm monitoring panel and a gateway. A housing information board that corrects internal time information based on received reference time information is disclosed.
Japanese Patent No. 2717259 Japanese Patent Laid-Open No. 2003-309662

  However, in the above-described conventional system, when the internal time is advanced from the reference time, the interphone master unit should be associated with the event that occurs after the correction if the internal time information is delayed according to the reference time information by the correction. The time stamp time may be delayed from the time stamp time already stored in association with the event that occurred before correction.

  For example, referring to FIG. 3, if event 1 occurs when the internal time before correction is 11:02, the time stamp time corresponding to event 1 is 11:02. Corresponds to event 2 when the internal time is 11:03 and correction is made to match the reference time 11:00, and then event 2 occurs when the internal time is 11:01 The time stamp time to be performed is 11:01, and the time stamp time of event 2 that occurred after the correction is reversed from the time stamp time of event 1 that occurred before the correction and has already been stored.

  The present invention is proposed in view of such circumstances, and even when the time correction is performed by matching the internal time information with the reference time information, the time stamp time of the event to be stored is time-series. It is an object of the present invention to provide an intercom master unit that prevents the occurrence of reversal, and an intercom system for collective housing constructed using the interphone master unit.

  In order to achieve the above object, in the intercom master according to claim 1 of the present invention, the reference time information is periodically received from an external device equipped with a reference clock to correct the internal time information. Internal clock correction means for temporarily storing the internal time information and storage means for storing the generated event as a history together with the occurrence time. The internal clock correction means temporarily stores the event every time the event occurs. If the current time of the internal clock is later than the internal time immediately before correction, the internal time immediately before correction is temporarily stored. Time information based on the information is stored in the storage unit in association with the event that has occurred.

  The interphone master device according to claim 2 further comprises display means for displaying the events stored in the storage means in order of occurrence.

  The intercom system for collective housing according to claim 3 is configured by combining the intercom master unit according to claim 1 or 2 and the alarm monitoring panel or lobby intercom as the external device according to claim 1 or 2. It is characterized by.

  According to the interphone master device of the first aspect of the present invention, every time an event occurs, the internal time immediately before the correction stored temporarily is referred to by referring to the internal time immediately before the correction stored temporarily. If the current time of the internal clock is later than the time, the time information based on the internal time information immediately before correction temporarily stored is stored in the storage unit in association with the generated event. Therefore, time series inversion does not occur in the event occurrence time to be recorded as history information.

  According to the interphone master device according to the second aspect, the events accumulated in the storage means are displayed in the order of occurrence, so that the occurrence of the event can be grasped in time series.

  According to the intercom system for collective housing according to the third aspect, it is possible to solve the problem that the event history is stored in the intercom master unit of the dwelling unit by being reversed in time series.

  Embodiments of the present invention will be described below.

  FIG. 5 is a system diagram of a system in which the intercom master device of the present invention is applied to an intercom system for a housing complex. In this embodiment, the external device is constituted by an alarm monitoring panel 3 installed in an administrator room or the like.

  The intercom system for an apartment house is an interphone in which a signal line L1 and a communication line L2 are derived from an alarm monitoring panel 3 installed in a manager's room, etc., and a doorphone slave unit 2 is connected to the signal line L1 and the communication line L2. The master unit 1 is connected to a lobby intercom 4 installed at a common entrance.

  In the intercom system for apartment houses having such a configuration, the following different basic operations are performed depending on whether the interphone master unit 1 is in the home mode or the absent mode.

  That is, when the interphone master unit 1 is in the home mode, the interphone master unit 1 calls the resident if there is a call from each of the lobby interphone 4, the alarm monitoring panel 3, and the door phone slave unit 2, and the resident Can answer the call.

On the other hand, when the intercom base unit 1 is in the absence mode, if there is a call from each of the lobby intercom 4, the alarm monitoring panel 3, and the door phone slave unit 2, the operation is as follows.
That is, when there is a call from each of the lobby intercom 4 and the door phone sub unit 2, the customer video and the voice message are received, and the sent customer video and the voice message are associated with the internal time information as the time stamp time. So that the resident who came home can check later.

  Also, when there is a call from the alarm monitoring board 3 in the absence mode, the voice message is received and the sent voice message is recorded in association with the time stamp time at that time. Can be confirmed later. The internal time information refers to the time that the internal clock of the intercom base unit 1 is timing.

  FIG. 4 is a block diagram illustrating an example of a basic configuration of an alarm monitoring panel as an external device. In this example, the external device having a reference clock for measuring the reference time is described, but the lobby intercom 4 may be used.

  The alarm monitoring panel 3 is composed of a CPU or the like, and includes a control unit 30 that controls the following units, a signal transmission / reception unit 31 that transmits and receives signals through the signal line L1, a reference clock 32 that measures a reference time, and a switch input unit 33. An operation switch unit 34 including various switches and the like, and an alarm sound generation unit that generates an alarm sound to be sounded when notified from the intercom base unit 1 that a security sensor of each dwelling unit (not shown) has been issued 35, a display unit 36, a call unit 37 for performing a call through the call line L2, and a storage unit 38 storing a control program and the like.

  FIG. 1 is a block diagram showing an example of the basic configuration of the intercom base unit of the present invention, and FIG. 2 is a flowchart showing an example of an event history storage process that is a basic operation of the intercom base unit of the present invention. FIG. 3 is a time chart showing the basic operation of the event history storage process.

  As shown in FIG. 1, the intercom base unit 1 is composed of a CPU or the like, and is composed of a control unit 10A having an internal clock 10B that counts the internal time, and performs an event history storage process (see FIG. 2) described later. A clock correction means 10, a transmission / reception section 11 for transmitting and receiving signals through the signal line L1, a storage section 12 constituting a storage means, an operation switch section 14 comprising a switch input section 13 and various switches, Call line L2 is connected, and the call line switching unit 15 switches the connection of the call line L2 between the call processing unit 16 side and the door phone slave unit 2 side, and the call is made through the signal line L2 using the microphone MI and the speaker SP. A call processing unit 16 for performing a notification, a notification sound generating unit 17 for generating a notification sound to be sounded when a security sensor (not shown) is issued, and processing a video signal Video processor 18 and displayed as video on the display unit 19 constituting the display means, a display unit 19.

  The internal clock 10B of the control unit 10A measures the internal time based on the operation clock of the CPU, periodically accesses the alarm monitoring panel 3, refers to the reference time information, and converts the internal time information to the reference time. Make corrections that match the information.

In addition, the control unit 10A switches between the home mode and the absent mode by an input operation of the operation switch unit 14. In the home mode, a sound is sounded in response to a call from the door phone slave unit 2, the alarm monitoring panel 3, and the lobby intercom 4, and a call with these devices is enabled by a response operation.
In the absence mode, a visitor video or a voice message is received in response to a call from the door phone slave unit 2, the alarm monitoring panel 3, or the lobby intercom 4, and the storage unit 12 associates the internal time information at that time as a time stamp time. To record.

  In the storage unit 12, the visitor video and voice message received through the signal line L1 are recorded in association with the internal time information at that time, and such processing is performed during the absence mode control. Performed by the unit 10A.

  The call path switching unit 15 connects the call processing unit 16 by a known method according to whether the other party of the call is the door phone 2, the alarm monitoring panel 3 connected to the call line L 2, or the lobby intercom 4. The destination is switched to either the door phone subunit 2 side or the communication line L2 side.

  When the interphone master unit 1 configured as described above is in the absence mode, when a visitor video or a voice message is transmitted from any of the doorphone slave unit 2, the alarm monitoring panel 3, and the lobby intercom unit 4, this is used. An event history storage process is performed in which internal time information is recorded in association with an event.

  Such an event history storage process will be described with reference to the flowchart (100 to 110) in FIG.

  That is, in the intercom base unit 1, the internal clock correction means 10 accesses the alarm monitoring panel 3 to refer to the reference time information every time the reference time reference timing arrives, and temporarily stores the internal time information at that time. Then, correction is performed to match the internal time information with the reference time information (100 to 103).

  When an event occurs, the internal clock correction means 10 compares the internal time at that time, that is, the current time of the internal clock with the internal time temporarily stored in step 102, that is, the internal time immediately before correction, It is determined whether the current time of the internal clock is behind the internal time immediately before correction (104 to 107).

  As a result of the determination, when the current time of the internal clock is later than the internal time immediately before the correction, the time temporarily stored in the internal clock correction means 10 by the generated event, that is, the internal clock immediately before the correction. Is stored in the storage unit 12 as an event history, and if it is not delayed, the current time of the corrected internal clock is associated with the generated event and stored in the storage unit 12 as an event history. (107-110).

  Such event history storage processing will be described more specifically with reference to the time chart of FIG.

  That is, when the reference time reference timing (11:03) arrives, the internal clock correction means 10 refers to the reference time and corrects the internal time information to match the reference time information (the corrected internal time). Time information is 11:00).

  Thereafter, assume that event 2 occurs at internal time 11:01. In this case, since the internal time information immediately before the correction is 11:03 minutes, the current internal time 11:01 is later than the internal time 11:03 immediately before the correction, so the time stamp time of event 2 is corrected. Associated with the immediately preceding internal time 11:03.

  As described above, when the internal time information when the event occurs is delayed from the internal time information immediately before the correction, the internal time information immediately before the correction is associated with the time stamp time. The time stamp time can be set in time series and can be prevented from being reversed.

  In such an event history storage process, events are stored in the storage unit 12 in the order of occurrence, and the control unit 10A accumulates the events in the storage unit 12 when a predetermined reproduction operation is performed. Are displayed in the order of occurrence on the display unit 19. Therefore, even when there are a plurality of events in which the internal time information immediately before correction is added as a time stamp time, the resident can easily confirm the order of occurrence of these events, which is convenient.

The block diagram which shows an example of the basic composition of the intercom main unit of this invention The flowchart which shows an example of the basic operation | movement of the event history storage process in this invention Time chart showing an example of basic operation of event history storage processing in the present invention Block diagram showing an example of the basic configuration of an alarm monitoring panel as an external device System diagram showing an example of an intercom system for an apartment house to which the present invention is applied

Explanation of symbols

1 Intercom base unit 10 Internal clock correction means 10B Internal clock 12 Storage unit 19 Display unit 3 Alarm monitoring panel (external device)
32 Reference clock 4 Lobby intercom

Claims (3)

In the intercom master unit that has an internal clock that counts the internal time and stores the event that occurs in association with the internal time,
An internal clock correction means for periodically receiving reference time information from an external device equipped with a reference clock to correct the internal time information, and temporarily storing the internal time information at that time;
Storage means for accumulating generated events as a history together with the time of occurrence,
The internal clock correction means includes
Each time the event occurs, the internal time information immediately before correction that is temporarily stored is referred to, and if the current time of the internal clock is later than the internal time immediately before correction, The interphone master unit stores time information based on internal time information immediately before correction stored in the storage unit in association with an event that has occurred. In claim 1,
An interphone master unit further comprising display means for displaying events stored in the storage means in order of occurrence. The intercom master unit according to claim 1 or 2,
An intercom system for collective housing, wherein the external device according to claim 1 or 2 is configured by combining an alarm monitoring panel or a lobby intercom.