JP2002374360A - Intercom system, telephone equipment, wireless data communication adapter device and wireless data communication method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To report the presence of calling of an intercom to the operator of an information processor as well, when the data communication of the information processor utilizing a public line is repeated by telephone equipment while using the telephone equipment also as an indoor side call device of the intercom. SOLUTION: When the telephone equipment detects calling of the intercom, just during data communication between the telephone equipment connected to the public line and information processing terminal equipment, calling notice information showing the presence of calling of the intercom is set from the telephone equipment to the side of information processing terminal and the existence of calling of the intercom is reported on the side of information processing terminal. Especially, calling notice information is set into control data to be sent out, together with the substance data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door phone system capable of responding to a call of a door phone with a telephone device, a telephone device capable of responding to a call of a door phone, and data between the telephone device and an information processing device. The present invention relates to a wireless data communication adapter device that performs communication wirelessly, and a wireless data communication method that wirelessly performs data communication between a telephone device and an information processing device.

[0002]

2. Description of the Related Art There is known an intercom system in which an intercom can be connected to a telephone device so that the intercom can answer a call of the intercom. In such an intercom system, a visitor can be answered by a telephone device, so that a dedicated telephone device is not required on the indoor side, and high convenience can be obtained by using a slave unit of the telephone device.

On the other hand, data communication of an information processing apparatus such as a personal computer using a public telephone line is relayed by a telephone apparatus, and data communication between the telephone apparatus and the information processing apparatus is performed wirelessly. Systems are known. In such a wireless data communication system, high convenience can be obtained because troublesome routing of the communication cable is eliminated.

[0004]

However, when the above intercom system and the wireless data communication system are combined, it is necessary to notify a person who operates the intercom during the data communication of the information processing apparatus that the intercom is called. Is made more convenient. Therefore, according to the present invention, in the intercom system, the telephone device, the wireless data communication adapter device, and the wireless data communication method, the telephone device also serves as the indoor communication device of the intercom and the data communication of the information processing device using the public line. It is an object of the present invention to enable the information processing apparatus to notify that the intercom has been called when the telephone is relayed by a telephone device.

[0005]

In order to achieve the above object, according to the present invention, there is provided an intercom system in which a telephone device connected to the intercom can respond to a call of the intercom. Wireless data communication means for wirelessly performing data communication between a telephone device connected to a public line and an information processing device, and calling the intercom during the data communication via the wireless data communication means. Is detected, the call notification information indicating that there is a call of the intercom is transmitted from the telephone device to the information processing device side,
It is assumed that the information processing apparatus notifies that the intercom has been called. According to this, it is possible to notify the operator of the information processing device that the intercom has been called. In this case, the telephone device side and the information processing device side are respectively provided with wireless signal transmitting and receiving means as wireless data communication means, and in particular, the wireless data communication adapter device separate from the information processing device is provided as the information processing device side transmitting and receiving means. In the case where the wireless communication adapter is provided, it is convenient to make the wireless data communication adapter device perform the notification operation.

In the intercom system, the call notification information can be set in control data transmitted together with the entity data, as described in claim 2, and the control information can be set as described in claim 3. It is possible to adopt a configuration in which data is transmitted using the low-speed associated control channel SACCH that is always associated with the information channel TCH that transmits the actual data. According to this, the call notification information can be transmitted without obstructing data communication between the telephone device and the information processing device.

The intercom system has a plurality of intercoms, and the call notification information is set to different contents for each of the plurality of intercoms.
It is possible to adopt a configuration in which any of a plurality of doorphones is notified so as to be identifiable. According to this, it is possible to determine which doorphone the visitor uses, and the convenience is further improved. In this case, a content value may be determined for each of the plurality of doorphones, the content value may be used to determine which of the doorphones to call, and a notification operation corresponding to the corresponding doorphone may be performed.

According to the present invention, in a telephone device in which a door phone is connected to be able to respond to a call of the door phone, wireless data for wirelessly performing data communication with an information processing device is provided. Communication means are provided,
When the intercom call is detected during the data communication by the wireless data communication means, call notification information indicating that the intercom is called is set in the data transmitted to the information processing apparatus. According to this, it is possible to notify the operator of the information processing device that the intercom has been called.

In the telephone device, a slave unit capable of wireless communication is provided, and when the data communication with the information processing device is not performed by the wireless data communication means, the intercom is called. Upon detection, it is possible to adopt a configuration in which a call notification signal indicating that there is a door phone call is transmitted to the slave unit, and the slave unit notifies that there is a door phone call. According to this, it is possible to avoid unnecessary notification on the information processing device side having a high probability that the operator is absent because data communication with the information processing device is not performed.

Further, according to the present invention, in a wireless data communication adapter device connected to an information processing device and performing data communication with a telephone device connected to a public line, the present invention provides Information detecting means for extracting call notification information indicating that there is a call for a connected door phone from the data received from the telephone device side, and notifying means for notifying that there is a call for the door phone based on the detection result of the information detecting means. It was provided with. According to this, it is possible to notify the operator of the information processing device that the intercom has been called.

Further, according to the present invention, in a wireless data communication method for wirelessly performing data communication between a telephone device connected to a public line and an information processing device, the present invention relates to a wireless data communication method for connecting to a telephone device. Call notification information indicating that there is an intercom call is set in the data transmitted from the telephone device to the information processing device so that the information processing device can be notified of the intercom call. did.
According to this, it is possible to notify the operator of the information processing device that the intercom has been called.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an overall configuration of a door phone system according to the present invention. Here, a plurality of doorphones 1a to 1d are connected to a telephone base unit 3 via a doorphone adapter 2, and the telephone base unit 3 or a telephone handset 4 capable of wireless communication with the telephone base unit 3 can respond to visitors. ,
Furthermore, in order to relay data communication in a PC (information processing device) 5 using a public line, wireless data communication is performed between a data communication adapter 6 connected to the PC 5 and the telephone base unit 3. I have.

In this door phone system, the PC 5
When the telephone base unit 3 detects that there is a call in any of the doorphones 1a to 1d during data communication, call notification information indicating that there is a call from these doorphones 1a to 1d is transmitted from the telephone base unit 3 to the data. It is transmitted to the communication adapter 6 and based on the call notification information, the data communication adapter 6
Is notified that there is a call of the intercom 1a to 1d.

FIG. 2 is a block diagram showing a schematic configuration of telephone base unit 3 shown in FIG. Here, a signal from the public line is sent to the modem unit 12 via the line control unit 11,
After being demodulated here, the data is sent to the CPU 13 to generate encoded data. The encoded data is modulated by the wireless protocol control unit 14 and transmitted to the data communication adapter 6 or the telephone handset 4. Further, during the data communication with the data communication adapter 6, the call of the intercom is detected, that is, when the intercom incoming signal from the intercom adapter 2 is input to the intercom interface 15, the intercom call is generated. Is set in the coded data by the CPU 13. On the other hand, the data communication adapter 6
Is processed in the reverse procedure and sent to the public line.

The transmission and reception of the call voice and the control signal with the telephone handset 4 may be performed by a data transmission method different from that of the data communication adapter 6. Further, a configuration for transmitting and receiving data in an analog system separately from the data communication adapter 6 is also possible. In addition, it is also possible to use a wireless data communication unit of the telephone handset and to add a connection unit to the information processing apparatus to thereby use the telephone handset as a wireless data communication adapter.

FIG. 3 is a block diagram showing a schematic configuration of the data communication adapter shown in FIG. A wireless signal from the telephone base unit 3 is demodulated into encoded data by the wireless protocol control unit 22, and PCM data extracted from the encoded data by the CPU 23 is D / A-converted by the PCM codec 24, and the modem control unit 25 to the PC 5 modem. When the CPU (information detecting means) 23 detects the call notification information of the intercom in the control data extracted from the encoded data, the call signal generator 26 generates a call sound corresponding to the intercom by using a speaker (notification). Means) 2
7 and the lamp (notifying means) 28 corresponding to the doorphone is turned on. On the other hand, the signal from the PC 5 is processed in a procedure reverse to that described above and is sent out to the telephone base unit 3. Here, the PCM codec 24 and the modem control unit 25 are provided in order to connect to a modem provided in advance in the PC 5, but instead of this, it is possible to connect to an input / output interface unit (for example, RS-232C) of the PC 5. It is good also as a structure provided with an interface part.

In data communication between the telephone base unit 3 and the data communication adapter 6, control data is transmitted together with actual data (main information data), and call notification information of the intercom is set in the control data. . Here, RCR
-TDMA-TDD with wireless protocol based on STD28
The paging notification information is transmitted using a low-speed associated control channel for transmitting control data always accompanying an information channel for transmitting actual data.

FIG. 4 is a conceptual diagram showing the configuration of a basic physical slot and a low-speed associated control channel SACCH used for data transmission between a data communication adapter and a telephone master unit. The basic physical slot has a ramp time R for transient response.
, A start symbol SS, a preamble PR, a synchronization word UW, a channel type CI, a low-speed associated control channel SACCH, an information channel TCH, and a cyclic signal CRC.

In this data communication, PCM data is transmitted using the information channels TCH of the two front and rear physical slots. The low-speed associated control channel SACCH is always associated with the information channel TCH.
16 bits are allocated to the CCH, and a total of 32 bits constitute one frame in combination with the corresponding channel of the next physical slot. In this low-speed associated control channel SACCH, the first one bit is allocated as a slot order bit, whereby the context is identified, and the control field has 14 bits and the information field has a total of 16 bits.
Bits are allocated and various messages are transmitted using this information field.

FIG. 5 shows a low-speed associated control channel SACCH.
FIG. 6 is a diagram showing the content of an additional information message transmitted by the. The intercom call notification information is set in the signal information element of the information elements constituting the message, and the signal content values 70 to 73 correspond to the intercom 1a to 1 shown in FIG.
d, it is possible to determine which of the intercoms 1a to 1d to call based on the signal content value.

FIG. 6 shows the door phone adapter shown in FIG.
FIG. 7 is a sequence diagram showing operations of the telephone master unit and the data communication adapter. When the visitor presses the call button of the intercom while the PC is performing data communication, the intercom adapter detects the press of the call button and sends the intercom signal to the main phone. In response to the intercom signal from the intercom adapter, the telephone master sets call notification information in an additional information message transmitted using the low-speed associated control channel SACCH, and sends the information to the data communication adapter. When the data communication adapter detects the call notification information in the additional information message, the data communication adapter notifies the user by sounding a ringing sound and turning on the lamp, and turns off the lamp after a predetermined time elapses after the timer starts.

FIG. 7 is a flow chart showing an operation when the telephone master unit calls the intercom. Here, first, step 10
If it is determined in step 1 that there is a communication request from the data communication adapter, the flow advances to step 102 to perform data communication. In step 103, it is determined whether or not the intercom call has been detected. If not, step 10
4 to determine whether or not the data communication has been completed. If the data communication has been completed, the process proceeds to step 105 to perform a data communication end process, returns to step 101, and terminates the data communication in step 104. If it is determined that the communication has not been performed, the process returns to step 102 to continue the data communication.

On the other hand, if the call of the intercom is detected in step 103, the flow advances to step 106 to create an additional information message in which required call notification information is set. Is stored once in the memory of
The message is transmitted to the data communication adapter using the information field of the low-speed associated control channel SACCH. Then, it is determined in step 109 whether or not the message transmission has been completed. If the message transmission has been completed, the process returns to step 102 to continue the data communication.

When data communication with the data communication adapter is not performed, the intercom call notification information is not sent to the data communication adapter. That is, when there is no communication request of the data communication adapter in step 101, when a call from the intercom adapter is detected,
A call notification signal indicating that there is a door phone call is sent to the telephone handset, and the telephone handset notifies that there is a door phone call. The notification at the slave unit may be sounding of a ringing tone and lighting of a lamp. Further, when a call of the intercom is detected during the telephone call of the child device, it is preferable to notify the caller of the child device of the call sound by adding a ringing sound to the call voice.

FIG. 8 is a flowchart showing the operation of the data communication adapter when calling the intercom. First step 20
In step 1, if it is determined that there is a request for data communication from the PC, the process proceeds to step 202 to perform data communication.
In the next step 203, it is determined whether or not a message is detected in the data sent from the telephone base unit. If no message is detected, the process proceeds to step 204, in which it is determined whether or not the data communication is completed. If the data communication has been completed, a predetermined data communication end process is performed in step 205, and the process returns to step 201. If the data communication has not been completed, the process returns to step 202 to continue the data communication.

If it is determined in step 203 that there is a message, the process proceeds to step 206, where the message is analyzed. In step 207, it is determined whether or not there is an additional information message. If there is no message, the process proceeds to step 208 to process the corresponding message, and then returns to step 202 to continue data communication.

If it is determined in step 207 that there is an additional information message, the flow advances to step 209 to extract the intercom call notification information from the additional information message. A ringing tone corresponding to the intercom is sounded by the speaker, and in step 211, a lamp corresponding to the intercom specified by the call notification information is turned on and a timer is started. In step 212, the lamp is turned off when the timer times out, and the process returns to step 202 to continue data communication.

[0029]

As described above, according to the present invention, it is possible to notify the operator of the information processing apparatus that there is a call of the door phone, thereby improving the convenience. In particular, by setting call notification information indicating that there is a door phone call in the control data transmitted together with the entity data, data communication between the telephone device and the information processing device is not obstructed. By notifying which of the calls is distinguishable, the convenience can be further improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an overall configuration of a door phone system according to the present invention.

FIG. 2 is a block diagram showing a schematic configuration of the telephone base unit shown in FIG. 1;

FIG. 3 is a block diagram showing a schematic configuration of the data communication adapter shown in FIG. 1;

FIG. 4 is a conceptual diagram showing a configuration of a basic physical slot and a low-speed associated control channel SACCH used for data transmission between the data communication adapter and the telephone master unit shown in FIG.

FIG. 5 is a diagram showing the content of an additional information message transmitted on the low-speed associated control channel SACCH.

FIG. 6 is a sequence diagram showing operations of the door phone adapter, the telephone master unit, and the data communication adapter shown in FIG.

FIG. 7 is a flowchart showing an operation when a door phone is called by the telephone master unit.

FIG. 8 is a flowchart showing an operation when a door phone is called by the data communication adapter.

[Explanation of symbols]

 1a to 1d Door phone 2 Door phone adapter 3 Telephone base unit 4 Telephone handset 5 PC (information processing device) 6 Data communication adapter

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Claims (8)

[Claims] 1. A door phone system in which a telephone device connected to a door phone can respond to a call of the door phone, wherein data communication between the telephone device connected to a public line and an information processing device is wirelessly performed. When the telephone device detects a call of the intercom during data communication through the wireless data communication device, the telephone device transmits call notification information indicating that there is a call of the intercom. The information processing apparatus sends a notification to the effect that the intercom is called by the information processing apparatus. 2. The intercom system according to claim 1, wherein the call notification information is set in control data transmitted together with the entity data. 3. The intercom system according to claim 2, wherein the control data is transmitted using a low-speed associated control channel that is always associated with an information channel for transmitting the entity data. 4. A plurality of doorphones, wherein the call notification information is set to different contents for each of the plurality of doorphones, and a notification is made so as to identify which one of the plurality of doorphones to call. The intercom system according to claim 1, wherein 5. A telephone device connected to an intercom and capable of responding to a call of the intercom, wherein a wireless data communication means for wirelessly performing data communication with the information processing device is provided. A telephone apparatus which, upon detecting a call of the intercom during data communication by means, sets call notification information indicating that the intercom is called in data transmitted to the information processing apparatus. 6. An intercom call is detected when a call to the intercom is detected when data communication between the information processing apparatus and the information processing apparatus is not performed by the wireless data communication means. 6. The telephone device according to claim 5, wherein a call notification signal to the effect is sent to the handset, and the handset notifies that the intercom has been called. 7. A wireless data communication adapter device that is connected to an information processing device and performs data communication with a telephone device connected to a public line, and that a door phone connected to the telephone device is called. Information notification means for extracting the call notification information from the data received from the telephone device side, and notification means for notifying that there is a call of the intercom based on the detection result of the information detection means. Wireless data communication adapter device. 8. A wireless data communication method for wirelessly performing data communication between a telephone device connected to a public line and an information processing device, wherein a call indicating that a door phone connected to the telephone device is called. Wireless data, wherein notification information is set in data transmitted from the telephone device side to the information processing device side, so that the information processing device side can notify that there is a call by the intercom. Communication method.