JPH0819020A - Cordless communication system - Google Patents

Abstract

PURPOSE:To automatically inform a concerned base station or the like of a schedule registered in advance by displaying a schedule content to the concerned base station or a concerned terminal equipment in reply with a call of a call start means. CONSTITUTION:Schedule data are registered in a master set 1 and when a prescribed schedule time comes, the schedule data corresponding to the schedule time are read from a schedule memory. Then a concerned slave set 2 is discriminated from the read schedule data and an extension call is started to the concerned slave set 2. In this case, a call signal to the concerned slave set 2 is modulated by a MODEM by an instruction from the control section and the modulated signal is sent from an antenna via a high frequency section. On the other hand, the control section of the slave set 2 receives the schedule data from the received master set 1, and the schedule name, time and location or the like are displayed on the display section by the instruction of the control section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless communication system having a schedule management function.

[0002]

2. Description of the Related Art Recently, cordless communication systems having portable terminals that communicate via base stations connected to communication lines have become widespread. A cordless telephone system is a typical example of this. Various cordless telephone systems have been considered, but they can be mainly divided into an analog cordless telephone system and a digital cordless telephone system. As an analog cordless telephone system, a so-called cordless telephone system having a handset connected to a home base unit by analog communication, or a so-called analog mobile phone having a mobile terminal connected by analog communication via an outdoor base station. There is a system. In addition, as a digital cordless telephone system, a so-called digital mobile telephone system in which analog communication is replaced by digital communication is used, or a base station (parent station) installed in a home is wirelessly connected to a child device (digital communication). There is a PHS (Personal Handyphone System) that has a mobile terminal and can be used as a mobile phone through a public base station installed outdoors if the mobile device is carried out outdoors.

By the way, conventionally, as one of the functions of the cordless communication system, there is one having an alarm function in the base station and each terminal. In other words, such an alarm function is such that when a predetermined time is set in the base station or each terminal, an alarm is output at the set time due to the timekeeping operation by the internal clock, which is used for schedule management such as meetings. Has been done.

[0004]

However, the conventional function for schedule management is that the base station and the terminal are
Since they are independent functions, the alarms set by the base station cannot be used by the terminal, and conversely, the alarm set by the terminal cannot be used by the base station or other terminals. There was a problem that it was difficult to use.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cordless communication system capable of automatically notifying a corresponding base station or child terminal of a previously registered schedule. .

[0006]

The present invention provides a cordless communication system in which a plurality of terminals are provided for a base station connected to a communication line, and the cordless communication system is provided in at least one of the communication line, the base station and the terminal. And a schedule storage means for storing the schedule, a clock means for clocking the schedule time, a schedule reading means for reading the schedule corresponding to the schedule time from the schedule storage means by the clocking means, and a schedule reading means for reading the schedule. And a call activation means for determining a corresponding base station or terminal from the issued schedule and for activating a call to the corresponding base station or terminal, and for responding to a call made by the call activation means. Display schedule details for the corresponding base station or terminal Is constructed sea urchin.

Further, in the present invention, in a cordless communication system in which a plurality of terminals are provided for a base station connected to a communication line, the base station clocks a schedule storage means for storing a schedule and a schedule time. The time measuring means and the schedule reading means for reading the schedule corresponding to the schedule time from the schedule storing means by the time counting by the time measuring means, and determining the corresponding terminal from the schedule read by the schedule reading means, A call activation means for activating a call to the terminal, the terminal responding means for responding to the call by the call activation means of the base station, and a response from the response means from the base station. And a display means for displaying the contents of the schedule that has been sent.

[0008]

As a result, according to the present invention, schedule storing means for storing a schedule is prepared in at least one of the base station and the terminal, and when the predetermined time is indicated by the time measuring means for measuring the schedule time,
The schedule corresponding to this schedule time is read from the schedule storage means, the corresponding base station or terminal is determined from the read schedule, and the call activation means activates the call to the corresponding base station or terminal, The schedule contents are displayed on the corresponding base station or terminal that responds to this call.
As a result, the schedule contents such as the schedule name, time and place stored in the schedule storage means can be automatically notified to the corresponding base station or terminal at each schedule time.

Further, according to the present invention, schedule storing means for storing the schedule is prepared on the base station side, and when the schedule time is indicated by the time measuring means for measuring the schedule time, the schedule time is dealt with. The schedule is read from the schedule storage means, the corresponding terminal is determined from the read schedule, and the call initiation is started to the relevant terminal by the call initiation means, while the terminal side makes a call to the base station. When the response means responds to the call from the activation means, the schedule name, time, place, and other schedule contents sent from the base station are displayed on the display means. As a result, the schedule contents collectively stored on the base station side can be automatically notified to the corresponding terminal at each scheduled time, and the centralized management of the schedule can be realized.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of a digital cordless telephone system to which the present invention is applied. In the figure, reference numeral 1 denotes a master device, and a plurality of slave devices 2 can be connected to the master device 1 by a wireless line. Further, the master unit 1 is connected to the central office line 3. On the other hand, a public base station 4 installed outdoors is connected to the station line 3, and the cordless handset 2 taken outside to the public base station 4 can be connected by a wireless line.

FIG. 2 shows a schematic configuration of the base unit 1.
In the figure, reference numeral 11 denotes an antenna, and a high frequency section 12 is connected to the antenna 11. This high frequency part 12
Performs frequency conversion processing, and has an antenna switch unit 121, a reception unit 122, a transmission unit 123, and a PLL synthesizer 124.

Here, the antenna switch section 121 sends the input signal from the antenna 11 to the receiving section 122 and the transmitting section 1
The output signal from 23 is distributed to the antenna 11. The reception unit 122 receives the reception signal input from the antenna 11 via the antenna switch unit 121.
For example, frequency conversion is performed by a two-stage mixer, and 1.9 GH
z from 150 to 250 MHz, further 10 MHz IF
I am trying to generate a signal. The transmitting unit 123 frequency-converts a π / 4-shift QPSK modulated wave input from the modem 13 described later into 1.9 GHz by a mixer and outputs the frequency-modulated wave to the antenna 11 via the antenna switch unit 121. And the PLL synthesizer 12
4 is for performing local oscillation for frequency conversion in the receiving unit 122 and the transmitting unit 123.

The high frequency section 12 has a modem 13
The TDMA processing unit 14, the speech codec 15 and the PCM codec 16 are connected, and the speech network 17 is connected to the PCM codec 16.

Here, the modem 13 uses a π / 4 shift QP
It performs SK modulation and demodulation processing, and at the receiving side, the receiving unit 1
The IF signal from 22 is demodulated and separated into IQ data,
The data is transferred to the TDMA processing unit 14 as a data string, and on the transmitting side, IQ data is created from the data transferred from the TDMA processing unit 14, π / 4 shift QPSK modulation is performed, and the data is sent to the transmitting unit 123. I have to.

The TDMA processing unit 14 performs frame synchronization and slot format processing. On the receiving side, a unique word (synchronization signal) is extracted from the received data sent from the modem 13 to perform frame synchronization. In addition, the scrambling of the control data part and the voice data part in the received data is descrambling, the control data is sent to the control part 20 described later, and the voice data is the speech codec 1
5, the transmission side creates control data by adding control data to the voice data transferred from the speech codec 15, scrambles it, formats it by adding unique words, etc.
The frame A is inserted at a predetermined timing and transferred to the modem 13.

The speech codec 15 performs compression / expansion processing of digital data.
The ADPCM audio signal (4 bit × 8 KHz = 32 Kbps) sent from the MA processing unit 14 is expanded by decoding it into a PCM audio signal (8 bit × 8 KHz = 64 Kbps) and output to the PCM codec 16.
On the transmitting side, the PCM audio signal sent from the PCM codec 16 is compressed by being encoded into an ADPCM audio signal and sent to the TDMA processing unit 14.

The PCM codec 16 performs analog / digital processing. On the receiving side, the PCM voice signal sent from the speech codec 15 is D / A converted to output an analog signal to the speech network 17, and On the transmitting side, the PCM voice signal obtained by A / D converting the analog voice signal input from the speech network 17 is output to the speech codec 15.

The speech network 17 performs communication control and mutual conversion between call voice and voice signals.
Here, the handset 18 and the office line 19 are connected.
A control unit 20 is connected to the high frequency unit 12, the modem 13, the TDMA processing unit 14, the speech codec 15, and the PCM codec 16, and the control unit 20 includes a ROM 21, a RAM 22, a schedule memory 23, and a clock unit. In addition to 24, a ringer speaker 25, a key input unit 26, and a display unit 27 are connected.

Here, the RAM 22 temporarily stores the data handled under the control of the control unit 20.
The schedule memory 23 stores various schedules. For example, as shown in FIG. 4, each schedule data, such as schedule name, time, place, and corresponding slave device, is stored in the schedule memory 23. Clock part 24
Is for measuring the schedule time.

The ringer speaker 25 is for notifying an incoming call. The key input unit 26 provides the control unit 20 with a key input for setting each function. The display unit 27 displays input data and results for various controls, schedule contents, and the like.

The control unit 20 outputs a control command to each circuit in accordance with a control program stored in the ROM 21, and here, a schedule memory 23 stores a schedule corresponding to a schedule time measured by the clock unit 24.
Read out, activate an extension call to the corresponding slave unit 1, convert the schedule data into a command, and output it. Further, when the owner of the corresponding slave unit 2 is out, It has a function of activating an outside line call of the public telephone number and converting schedule data into, for example, a DTMF tone and outputting the schedule data.

On the other hand, FIG. 3 shows a schematic configuration of the slave unit 2. In this case, 31 is an antenna and 32 is a high frequency part. The high frequency unit 32 is the antenna switch unit 3
21, a receiver 322, a transmitter 323, and a PLL synthesizer 324.

The high frequency section 32 has a modem 33,
The TDMA processing unit 34, the speech codec 35 and the PCM codec 36 are connected, and the speaker 382 on the receiving side and the microphone 39 on the transmitting side are connected to the PCM codec 36 via the tone decoder 37 and the amplifier 381. The tone decoder 37 here is
The DTMF tones relating to the schedule sent from the base unit 1 side via the office line 30 are decoded into predetermined data.

Further, the control unit 40 includes a ROM 41 and a RAM.
42, ringer speaker 43, key input section 44, display section 4
5 are connected. In this case, the details of each of these units are the same as the configuration of the parent device described in FIG. 2, and therefore description thereof is omitted here.

Next, the operation of the embodiment configured as described above will be described. First, the master device 1 registers schedule data. In this case, the key input unit 26 sets the schedule registration mode and inputs the schedule data. Then, according to an instruction from the control unit 20, each data such as the schedule name, time, place, and applicable slave unit is written in the schedule memory 23 as shown in FIG.

The registration of the schedule data is performed not only from the master unit 1 but also from the slave unit 2 to call the master unit 1.
This can also be performed by setting the schedule registration mode with the key input unit 44 of the child device 2 and inputting schedule data.

From this state, the reading of the schedule data stored in the schedule memory 23 is executed as follows. In this case, step 40 shown in FIG.
At 1, the schedule time is monitored by the clock of the clock unit 24. After that, when the predetermined schedule time comes, in step 402, the schedule data corresponding to this schedule time is read from the schedule memory 23.

Then, the corresponding slave unit 2 is determined from the schedule data read from the schedule memory 23, and in step 403, the extension call to the corresponding slave unit 2 is activated. In this case, according to an instruction from the control unit 20, the call signal to the corresponding slave unit 2 is modulated by the modem 13 and transmitted from the antenna 11 via the high frequency unit 12.

Here, if there is a response from the corresponding slave unit 2, YES is determined in step 404. In this case, the corresponding slave unit 2 receives the master unit 1 received from the antenna 31.
A call signal from the modem 33 via the high frequency unit 32.
It is demodulated by and is taken into the control unit 40 via the TDMA processing unit 34. Then, the control unit 40 waits for the allocation of the call channel and shifts the frequency to the designated call channel,
The ringer speaker 43 is activated to output a ringing tone.

After that, when the corresponding slave unit 2 responds to the ringing tone, in step 405, the control unit 20 of the master unit 1 operates.
Converts the schedule data read from the schedule memory 23 into a command and transmits the command to the corresponding slave 2.
The schedule data in this case is also modulated by the modem 13 and transmitted from the antenna 11 to the corresponding slave unit 2 via the high frequency unit 12 in the same manner as the call signal described above.

Also in the corresponding slave unit 2, the schedule data from the master unit 1 received from the antenna 31 in step 406 is demodulated by the modem 33 via the high frequency unit 32, and TD
It is taken into the control unit 40 via the MA processing unit 34.

Then, in step 407, the schedule name, time, place, and the like, which form the schedule data, are displayed on the display unit 45 according to an instruction from the control unit 40. Then, in step 408, the telephone line is disconnected, and the process ends.

On the other hand, when the owner of the slave unit 2 is out and no response is obtained to the calling of the slave unit 2 from the master unit 1 described above, it is determined as NO in step 404 and step 409. Then, in step 409, the control unit 20 of the parent device 1 activates an outside line call of the public telephone number of the corresponding child device 2. In this case, according to an instruction from the control unit 20, the public telephone number corresponding to the corresponding slave unit 2 is output to the office line 19 via the speech network 17.

Here, a call is activated from the public base station 4 shown in FIG. 1 to the corresponding slave unit 2. Then, when the corresponding slave unit 2 responds to this call at step 410, the control unit 20 of the master unit 1 sends the schedule data read from the schedule memory 23 to the DTM at step 411.
It is converted into an F tone and transmitted from the station line 19 to the corresponding slave unit 2 through the public base station 4.

As a result, the corresponding slave unit 2 performs step 4
D from the public base station 4 received from the antenna 31 at 12
The TMF tone schedule data is demodulated by the modem 33 via the high frequency unit 32 and taken into the tone decoder 37 via the TDMA processing unit 34, the speech codec 35, and the PCM codec 36. And step 41
In step 3, the DTMF tone is decoded into predetermined data by the tone decoder 37 and given to the control unit 40, and step 41
In 4, the schedule name, time, place, etc., which form the schedule data, are displayed on the display unit 45 according to the instruction from the control unit 40.

Then, in step 415, the telephone line is disconnected and the process is terminated. Therefore, according to such an embodiment, when the schedule data is registered in advance in the schedule memory 23 of the parent device 1 and the timekeeping section 24 indicates the schedule time, the schedule data of the schedule memory 23 corresponding to this schedule time. Determines the applicable slave unit 2 and makes an extension call to the applicable slave unit 2, waits for a response from the applicable slave unit 2, and sends schedule data to the applicable slave unit 2 to send the schedule name, time, and location. Since it is possible to display such as on the display unit 45, it is possible to read the schedule contents centrally stored in the schedule memory 23 of the parent device 1 at each scheduled time and automatically notify the corresponding child device 2 of this. Therefore, centralized management of the schedule can be realized.

When the owner of the corresponding slave unit 2 is out, the outside line call of the public telephone number of the corresponding slave unit 2 is made to the office line 19, and the corresponding public base station is used. Waiting for a response from the cordless handset 2, the schedule data can be transmitted to the cordless handset 2 and the schedule name, time, place, etc. can be displayed on the display unit 45, so that the schedule can be given to the cordless handset 2 owner at the destination. The contents can be notified automatically.

The present invention is not limited to the above-mentioned embodiments, and can be carried out by appropriately modifying it within the scope of the invention. For example, in the above-described embodiment, the schedule memory is provided only in the master unit, but by providing the schedule memory in each slave unit as well, the schedule memory between the master unit and the slave unit and between the slave units can be set. You can also enable notifications. Further, in the above-described embodiment, each schedule is stored as data in the schedule memory, but each schedule may be stored as voice information and notified at each schedule time.

Further, in the present embodiment, an example in which it is applied to a system assuming a home base station is shown, but it goes without saying that it can be applied to a system assuming a business base station. In this case, the PBX (Private Branch Exchange) may be provided with the schedule memory.

Further, in the present embodiment, the present invention is applied to the digital cordless telephone system (particularly PHS),
The present invention is not limited to this, and may be applied to other digital cordless telephone systems (for example, digital mobile phones). In this case, the schedule memory is provided on the network side (station line side) and is provided as a service of the communication carrier. That is, request this schedule service from the mobile terminal,
This is performed by registering the schedule as in the above embodiment in advance. Further, it goes without saying that the present invention may be applied to an analog cordless telephone system.

Further, in the above embodiment, the data is transmitted by the DTMF tone, but the invention is not limited to this, and if the network and the wireless communication are digital, the digital data can be transmitted. Even if a part of the network or wireless communication is analog, it is possible to provide a modem for converting digital data into an analog signal or converting an analog signal into digital data in the network, the base station or the terminal.

Furthermore, the present invention is not limited to a cordless telephone system, but is also applicable to other cordless communication systems, such as PDAs (Personal Digital Assass) for data communication.
istant) and so on.

[0043]

As described above, according to the present invention, the schedule storage means for storing the schedule is prepared in at least one of the communication line, the base station, and the terminal, and the schedule corresponding to each schedule time is stored. Since the base station or terminal determined by the read schedule is called and the schedule content can be displayed on the corresponding base station or terminal that responds to the call, the schedule storage means Schedule contents such as schedule name, time and place stored in can be automatically notified to the corresponding base station or terminal at each scheduled time, and if the schedule storage means is provided in one place, Centralized schedule management can also be realized and effective as a secretary function A.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is a diagram showing a schematic configuration of a parent device used in one embodiment.

FIG. 3 is a diagram showing a schematic configuration of a slave unit used in one embodiment.

FIG. 4 is a diagram showing an example of a schedule memory.

FIG. 5 is a flowchart for explaining the operation of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Master, 2 ... Slave, 3 ... Station line, 4 ... Public base station, 11, 31 ... Antenna, 12, 32 ... High frequency part, 121, 321, ... Antenna switch part, 122, 322 ... Receiving part, 123 323 ... Transmission unit, 124, 324 ... PLL synthesizer, 13, 33 ... Modem, 14, 34 ... TDMA, 15, 35 ... Speech codec, 16, 36 ... PCM, 17 ... Speech network, 18 ... Handset, 19 ... Station Lines, 20, 40 ... Control unit, 21, 41 ... ROM, 22, 42 ... RAM, 23 ... Schedule memory, 24 ... Timing unit, 25, 43 ... Ringer speaker, 26, 44 ... Key input unit, 27, 45 ... Display unit, 37 ... Tone decoder, 381 ... Amplifier, 382 ... Speaker, 39 ... Microphone.

Claims (2)

[Claims] 1. A cordless communication system in which a plurality of terminals are provided for a base station connected to a communication line, and a schedule storage means is provided in at least one of the communication line, the base station and the terminal and stores a schedule. A time measuring means for measuring the schedule time, a schedule reading means for reading the schedule corresponding to the schedule time from the schedule storing means by the time measuring by the time measuring means, and a base corresponding to the schedule read by the schedule reading means. A call origination means for deciding a station or a terminal and for activating a call to the corresponding base station or terminal, to the corresponding base station or terminal which responds to the call made by the call origination means. Code that displays schedule contents by To communicate system. 2. A cordless communication system in which a plurality of terminals are provided for a base station connected to a communication line, wherein the base station includes a schedule storage unit that stores a schedule, and a clocking unit that counts a schedule time. A schedule reading unit that reads a schedule corresponding to the schedule time from the schedule storage unit according to the time counting by the time counting unit and a corresponding terminal is determined from the schedule read by the schedule reading unit, and a call is made to the corresponding terminal. The terminal has a calling activation means for activating, the terminal is sent from the base station in response to the calling in the calling activation means of the base station, and a response in the response means. A cordless communication system characterized by having display means for displaying schedule contents. Beam.