JPH09247721A - Radio selective calling receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radio selective calling receiver offering convenience of use on which problems of troublesome input of telephone directory data are solved and character and numerals being telephone directory data are simply inputted by allowing the receiver to recognize a DTMF tone. SOLUTION: A DTMF tone generated externally is inputted by a microphone 13, a DTMF receiver 14 converts the DTMF tone into DTMF digital data and an MPU 7 converts the DTMF tone into a prescribed data and stores the data to an EEPROM 15. The character data stored in the EEPROM 15 are displayed on an LCD 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio selective calling receiver having a telephone directory function, and more particularly to a radio selective calling receiver capable of easily inputting data of a telephone directory.

[0002]

2. Description of the Related Art First, a conventional radio selective calling receiver will be described with reference to FIG. FIG. 3 is a block diagram of a conventional radio selective calling receiver. As shown in FIG. 3, a conventional radio selective calling receiver includes an antenna 1, a radio unit 2, a waveform shaping unit 3, a decoder 4, and a crystal unit 5.
MP having ROM 6, ROM 6, RAM 9 and conversion table 7a
U7 ', speaker 8, LCD driver 10, LC
D11, reset switch 12, E ² PROM (E
It is composed of an EPROM) 15 and a set switch 16.

Next, each part of the conventional radio selective calling receiver will be specifically described. The antenna 1 receives a radio signal. When the wireless unit 2 receives a wireless signal via the antenna 1, the wireless unit 2 amplifies and demodulates the wireless signal and outputs it to the waveform shaping unit 3. When the demodulated radio signal from the radio unit 2 is input, the waveform shaping unit 3 converts the radio signal into a waveform readable by the decoder 4 and outputs the waveform to the decoder 4.

The ROM 6 is a writable read-only memory in which the calling number of the radio selective calling receiver (self) is registered in advance. The crystal oscillator 5 generates a reference clock for synchronizing with the received wireless signal.

The decoder 4 decodes the received wireless signal and converts it into received data. Specifically, for the wireless signal output from the waveform shaping section 3, a reference generated by the crystal unit 5 is used as a reference. Decode in synchronization with the clock and input as received data, and call number and R in the received data
Compare with your own calling number registered in OM6,
When they match, the call signal indicating that there was a call is MP
The message is output to U7 ', and if there is a message in the received data, the received message is output to MPU7'.

The speaker 8 outputs a ringing sound, and is specifically driven by a sounding signal from the MPU 7 '.

The LCD 11 displays the received message. Specifically, the LCD 11 displays the received message in accordance with a display signal output from the LCD driver 10. The LCD driver 10 receives the display data output from the MPU 7 ′, converts it into a display signal according to the specifications of the LCD 11, and outputs the display signal to the LCD 11.

The EEPROM 15 stores a plurality of received messages. Specifically, the received message temporarily stored in the RAM 9 is additionally stored. Here, the characters (name) and numbers (telephone number) received as the received message are sequentially stored in the EEPROM 15 so that they can be used as a telephone directory.

The set switch 16 is a switch for storing the received message in the EEPROM 15.
The reset switch 12 is a switch for stopping the display of the ringing tone and the received message and returning to the standby mode.

The MPU 7 ', which controls the radio selective call receiver, has a conversion table 7a for converting the received message data (code data) input from the decoder 4 into character data, and the conversion table 7a. A RAM 9 is provided for temporarily storing the character data of the received message.

The MPU 7'specifically receives the received message by displaying a received message and making a ringing tone according to the input from the decoder 4.
A registration process for storing in the EPROM 15 and a reset process for returning to the standby mode are performed.

The receiving display processing is, specifically, when a ringing signal is received from the decoder 4, a ringing signal is output to the speaker 8 to output a ringing tone, and further, when code data of a received message is received from the decoder 4, The conversion table 7a is referred to, character data is converted and stored in the RAM 9, and at the same time, the received message is output to the LCD driver 10 as display data, and when the end of the message signal is determined, the decoder 4
Is a process for outputting a signal for stopping the signal transmission to.

The registration process is a process in which the character data of the received message stored in the RAM 9 is additionally stored in the EEPROM 15 by the input of the set switch 16.

The reset process means the reset switch 12
Is input, the output of the sound signal to the speaker 8 is stopped to stop the ringing sound, the output of the display data to the LCD driver 10 is stopped to stop the display of the received message, and the process returns to the standby mode. is there.

Next, the operation of the conventional radio selective calling receiver will be described with reference to FIG. Radio signal is antenna 1
When it is received via, the wireless unit 2 amplifies and demodulates
The waveform shaping section 3 converts the waveform into a waveform readable by the decoder 4 and outputs the waveform to the decoder 4.

Then, the received signal is decoded by the decoder 4 into received data in synchronism with the reference clock from the crystal unit 5, and the called number in the received data and its own calling number registered in the ROM 6 are obtained. When compared, if they match, a calling signal is output to the MPU 7 ', and if there is a message in the received data, the message data is MP
It is output to U7 '.

When the calling signal and the message signal from the decoder 4 are input to the MPU 7 ', a ringing signal is output to the speaker 8 to output a ringing sound, the code data of the message is converted into character data, and the received message is received. As R
The received message is stored in the AM 9 and is further displayed on the LCD 11 via the LCD driver 10.

When the reset switch 12 is input, the output of the ringing signal from the MPU 7'to the speaker 8 is stopped and the ringing tone is stopped, and the output of the display data to the LCD driver 10 is stopped and received. The message stops displaying and returns to standby mode.

When the set switch 16 is input, the character code of the received message stored in the RAM 9 of the MPU 7'is additionally stored in the EEPROM 15.

Next, a first method for creating a telephone directory in the conventional radio selective calling receiver will be described. First, the radio selective call receiver is called from the telephone and a name (character) and a telephone number (number) are transmitted as a message. The wireless selective calling receiver receives the message, displays the received message converted into the character code on the LCD 11, and stores it in the RAM 9.

The user confirms the received message in characters and numbers displayed on the LCD 11, and when the received message is stored, the user depresses the set switch 16 to cause the MPU 7'to store the received message stored in the RAM 9. Is additionally stored in the EEPROM 15. Here, the name (characters) and the telephone number (numbers) input as the received message are additionally stored in the EEPROM 15 to create a telephone book, and the data is displayed on the LCD 11 so that the telephone book can be used. Become.

Next, a second method for creating a telephone directory in the radio selective calling receiver will be described. When the conventional radio selective call receiver is a radio call receiver capable of inputting characters by combining switches, the user combines the radio selective call receiver switches with characters (name and telephone number). ) Is input and stored in the EEPROM 15 to create a telephone directory.

[0023]

However, in the first method of creating a telephone directory of the above-mentioned conventional radio selective calling receiver, since the name and the telephone number are bothered to be transmitted from the telephone, the usability is poor and the call There was a problem that it was expensive and not economical.

Further, in the second method of creating a telephone directory of the above-mentioned conventional radio selective calling receiver, there are problems that the number of switches is small, so that it takes time and effort to input characters, which is inconvenient. there were.

The present invention has been made in view of the above circumstances, and by making DTMF sound recognizable, it is possible to easily input characters and numbers to be the data of the telephone directory, and it is easy to use wireless selection. It is intended to provide a receiver for calling.

[0026]

The invention according to claim 1 for solving the problems of the above-mentioned conventional example, in a radio selective calling receiver, inputs a DTMF sound produced externally,
It is characterized in that the DTMF sound is converted into DTMF digital data, the DTMF digital data is converted into character data and stored, and the stored character data is displayed, so that data such as a telephone directory can be easily input. .

According to a second aspect of the present invention for solving the problems of the conventional example, a radio selective calling receiver inputs an externally created DTMF sound and converts the DTMF sound into DTMF digital data. It is characterized in that the stored DTMF digital data is converted into a DTMF sound and then output, and the DTMF sound of a telephone number or a message can be easily output.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the claimed invention will be described with reference to the drawings. The first radio selective calling receiver according to the first embodiment of the present invention inputs a DTMF sound from a microphone, converts the DTMF sound into character data, and stores the character data. Therefore, the character data can be easily input. Then, a telephone directory or the like can be created.

First, the configuration of the first radio selective calling receiver according to the present invention will be described with reference to FIG. FIG.
FIG. 1 is a configuration block diagram of a first radio selective calling receiver according to the present invention. Parts having the same configuration as in FIG. 3 are described with the same reference numerals.

A first radio selective calling receiver of the present invention comprises:
As shown in FIG. 1, the antenna 1
, Radio section 2, waveform shaping section 3, decoder 4, crystal unit 5, ROM 6, speaker 8, LCD driver 10, LCD 11, reset switch 12, and E
It is composed of an EPROM 15 and a set switch 16, and further features a microphone 13 and a D
The TMF receiver 14 and the MPU 7 are provided.

Next, each part of the radio selective calling receiver of the present invention will be specifically described. However, the antenna 1, the wireless unit 2, the waveform shaping unit 3, the decoder 4, and the crystal unit 5
, ROM 6, speaker 8, and LCD driver 10
The LCD 11, the reset switch 12, and the set switch 16 are the same as those in the related art, and therefore their explanations are omitted.

The EEPROM 15 additionally stores the data stored in the RAM 9 as in the conventional case, except that the DTMF digital data of the input DTMF sound is converted in addition to the received message. It also stores character data.

The microphone 13 inputs the DTMF sound, and specifically, the DTMF sound output from the speaker such as a touch-tone phone is input and output to the DTMF receiver 14.

The DTMF receiver 14 converts the DTMF sound input from the microphone 13 into DTMF digital data having a waveform readable by the MPU 7, and outputs the DTMF digital data to the MPU 7.

The MPU 7 controls the radio selective calling receiver, and the character data of the received message and the DT.
A RAM 9 for temporarily storing character data obtained by converting DTMF digital data input from the MF receiver 14,
There is provided a conversion table 7a which is a memory for storing code data and DTMF digital data of a received message and corresponding characters such as numbers, symbols, kana, English characters and Chinese characters.

The MPU 7, specifically, receives and displays a ringing tone and displays a received message in accordance with the input from the decoder 4 similar to the conventional one, a registration process of storing character data in the EEPROM 15, and a standby. Reset processing for returning to the mode and DTMF which is a feature of the present invention
A conversion display process of converting digital data into character data and displaying the character data is performed.

Here, the reception display process, the registration process, and the reset process are the same as those in the conventional art, and therefore the description thereof will be omitted.

The conversion display processing is the DTMF receiver 14
When DTMF digital data is input from MPU7
Refers to the conversion table 7a, numbers, symbols, kana, English letters,
This is a process of converting into characters such as Chinese characters and storing it in the RAM 9 as character data, and at the same time outputting the character data as display data to the LCD driver 10.

Next, the operation of inputting and registering character data in the radio selective calling receiver of the present invention will be described with reference to FIG.
I will explain using. In the radio selective calling receiver of the present invention, when the DTMF sound of the name and telephone number output from, for example, a touch-tone telephone is input from the microphone 13, the DTM
The F receiver 14 converts the DTMF digital data into a waveform that can be read by the MPU 7, and outputs the DTMF digital data to the MPU 7.

Then, referring to the conversion table 7a in the MPU 7, the DTMF digital data is converted into characters such as numbers, symbols, kana, English characters, and Chinese characters, and the RAM 9 is used as character data.
And stores the character data as display data on the LCD 11 via the LCD driver 10.

Then, the user confirms the character data of characters and numbers displayed on the LCD 11 and presses the set switch 16 to cause the MPU 7 to read the R data.
Character data stored in AM9 is EEPROM15
It will be stored in addition to and can be used as a telephone directory.

Next, a second radio selective calling receiver which is a second embodiment to which the first embodiment is applied will be described with reference to FIG. FIG. 2 shows a second embodiment according to the present invention.
FIG. 3 is a block diagram showing the configuration of a wireless selective calling receiver of FIG. still,
Portions having the same configuration as in FIG. 1 will be described with the same reference numerals. The second radio selective calling receiver of the present invention converts the DTMF sound of the input telephone number to convert the DTMF sound.
Store in the form of digital data and use DTM when calling.
It can also be used as a tone dialer by converting to F sound and outputting it.

As shown in FIG. 2, the configuration of the second wireless selection receiver is such that a DTMF tone generator 17 is added to the configuration of the first wireless selection receiver shown in FIG.

The DTMF tone generator 17 uses the MP
When the DTMF digital data output from U7 is input, the DTMF digital data is converted into DTMF sound and output to the speaker 8.

Then, the MPU 7, specifically, in addition to the processing of the first radio selective calling receiver, outputs the DTMF digital data to the DTMF tone generator 17 to perform a sounding processing of outputting a DTMF sound. It has become.

However, in the registration process, in addition to the character data obtained by converting the DTMF digital data, the DTMF digital data is also associated and stored in the EEPROM 15. As a result, when the user selects the character data to be output as the DTMF sound from the speaker 8, the DTMF digital data corresponding to the selected character data is DT.
It can be output to the MF tone generator 17.

The tone generation processing in the MPU 7 is
The character data stored in the EEPROM 15 is displayed on the LCD.
This is a process of outputting to the driver 10 and displaying on the LCD 11, and when selected by the user and a switch input for sound generation is made, DTMF digital data corresponding to the character data is read and output to the DTMF tone generator 17.

The characteristic operation of the second radio selective call receiver of the present invention is that the DTMF sound such as a telephone number or a message output from a touch-tone telephone or the like is input from the microphone 13, and the MPU 7 is read by the DTMF receiver 14. Converted to DTMF digital data which is a possible waveform, MPU
Converted to character data in 7 and DTM together with character data
The F digital data is stored in the EEPROM 15 in association with each other.

The EEPROM 15 is used when making a call or sending a message to another radio selective calling receiver.
When one of the character data stored in is selected and the switch for sounding is pressed, the MPU 7 reads the DTMF digital data corresponding to the character data from the EEPROM 15 and outputs it to the DTMF tone generator 17. DTMF tone generator 17
Is converted into DTMF sound and output to the speaker 8.

According to the first radio selective call receiver of the present invention, the name (characters) and the telephone number (numbers) are input from the microphone 13 by the DTMF sound of the touch-tone telephone or the like, and the input DT is input.
After converting the MF sound into the DTMF digital data, the conversion table 7a is referred to and the character data is converted into the EEPROM 15.
Since it is stored in, it is possible to easily enter the letters and numbers used in the telephone directory, etc., which has the effect of improving usability.

According to the second radio selective calling receiver of the present invention, the DTMF sound input from the microphone 13 is converted into DTMF digital data and stored in the EEPROM 15,
Since DTMF digital data is read from the EPROM 15 and converted into DTMF sound through the DTMF tone generator 17 and output to the speaker 8, when making a call or sending a free message in text to another radio selective calling receiver. There is an effect that can be used as a tone dialer.

[0052]

According to the first aspect of the present invention, an externally created DTMF sound is input, converted into DTMF digital data, further converted into character data and stored, and the stored character data is displayed. Since it is used as a radio selective calling receiver, data such as a telephone directory can be easily input, which has the effect of improving usability.

According to the second aspect of the present invention, a radio which inputs an externally created DTMF sound, converts it into DTMF digital data and stores it, and converts the stored DTMF digital data into DTMF sound and outputs it. Since the receiver is a selective call receiver, the DTMF sound of the telephone number or message can be easily output, and the usability can be improved.

[Brief description of drawings]

FIG. 1 is a configuration block diagram of a first radio selective calling receiver according to the present invention.

FIG. 2 is a configuration block diagram of a second radio selective calling receiver according to the present invention.

FIG. 3 is a configuration block diagram of a conventional radio selective calling receiver.

[Explanation of symbols]

1 ... Antenna, 2 ... Radio part, 3 ... Waveform shaping part, 4 ...
Decoder, 5 ... Crystal oscillator, 6 ... ROM, 7,
7 '... MPU, 7a ... Conversion table 8 ... Speaker, 9 ... R
AM, 10 ... LCD driver, 11 ... LCD, 1
2 ... Reset switch, 13 ... Microphone, 14 ... DT
MF receiver, 15 ... EEPROM, 16 ... Set switch, 17 ... DTMF tone generator

Claims (2)

[Claims] 1. Inputting an externally created DTMF sound,
A radio selective calling receiver, characterized in that the DTMF sound is converted into DTMF digital data, the DTMF digital data is converted into character data and stored, and the stored character data is displayed. 2. Inputting an externally created DTMF sound,
The DTMF sound is converted into DTMF digital data and stored, and the stored DTMF digital data is DTM.
A radio selective calling receiver characterized by converting to F sound and outputting.