JPH11252649A - Portable telephone set having pager - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a portable telephone part from generating noise when a pager part is receiving signals so as to improve the receive sensitivity to a pager signal by preventing the portable telephone part from performing a receive operation when the pager part performs the receive operation. SOLUTION: A pager operation signal that shows on/off of a receive operation in a pager receiving part 2 is sent to a common controlling part 4. The on/off state corresponds to the on/off state of a switch 6 and a pager controlling part 3 sends the on/off state of the switch 6 as a pager operation signal to the part 4. The part 4 switches the on/off of a switch 5 based on it and controls a receiving operation of a portable telephone in a telephone part 1. That is, when the on/off of the switch 5 alternates in a fixed cycle, at an on-time, the pager operation signal from the part 3 is checked and the switch 5 is controlled not to be turned on when the part 2 is on.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone with a pager, and more particularly to a portable telephone with a pager capable of improving the receiving sensitivity of the pager.

[0002]

2. Description of the Related Art A portable telephone equipped with a pager is provided with a portable telephone receiving section for receiving a portable telephone signal and a pager receiving section for receiving a pager signal (not shown), each of which is independently received. Is working.

[0005] The mobile phone receiver and the pager receiver intermittently perform a receiving operation at regular intervals for battery saving. FIG. 4 shows a reception operation in a conventional mobile phone with a pager.
This will be described with reference to FIG. FIG. 4 is a timing chart showing a receiving operation of a pager receiver and a mobile phone receiver in a conventional mobile phone with a pager.

As shown in FIG. 4, in a conventional portable telephone with a pager, the pager receiving section turns on the power supply for every b seconds for every a seconds and performs the receiving operation. In addition, the mobile phone receiving section is configured to perform a receiving operation by turning on the power for d seconds every c seconds.

In general, the power consumption of the mobile phone receiver is much larger than that of the pager receiver, and noise is generated during the operation of the mobile phone receiver, which affects the reception of the pager. In the figure, the hatched portion is the portion where the possibility of a pager reception error is high.

[0006]

However, in the above-mentioned conventional portable telephone with a pager, a pager receiving section and
Since the mobile phone receiving unit performs the receiving operation independently of each other, the receiving operation of the pager and the mobile phone may overlap, and noise from the mobile phone enters the pager receiving unit, and the receiving sensitivity of the pager is reduced. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a mobile phone with a pager which can improve the reception sensitivity of the pager by preventing the mobile phone from performing the reception operation during the reception operation of the pager. It is intended to provide a telephone.

[0008]

According to a first aspect of the present invention, there is provided a portable telephone having a pager functioning as a pager and a portable telephone functioning as a portable telephone. In the telephone, when the pager section is performing the receiving operation, the mobile phone section does not perform the receiving operation. When receiving the pager section, noise is not generated from the mobile phone section, and the pager signal is received. Can be improved.

According to a second aspect of the present invention, there is provided a portable telephone having a pager functioning as a pager and a portable telephone functioning as a portable telephone. A first switch that switches ON / OFF of power supply to the mobile phone, a second switch that switches ON / OFF of power supply to the mobile phone unit, and a first control unit that controls the first switch. , A second control unit for controlling the second switch, wherein the first control unit sets the ON / OFF state of the first switch as a pager operation signal to the second control unit.
A second control unit that outputs to the first control unit when the first switch is in an ON state based on the pager operation signal. Is turned on, and the power supply to the mobile phone unit is stopped during the reception operation of the pager unit so that the reception operation is not performed. During the receiving operation, the generation of noise from the mobile phone unit can be prevented, and the receiving sensitivity of the pager signal can be improved.

[0010]

Embodiments of the present invention will be described with reference to the drawings. The mobile phone with a pager according to the present invention (the present device) is configured not to perform the reception operation of the mobile phone when the pager is performing the reception operation.
It is possible to prevent the noise of the mobile phone from entering at the time of pager reception, and to prevent the reception sensitivity of the pager from lowering.

First, the configuration of the present apparatus will be described with reference to FIG. FIG. 1 is a configuration block diagram of a mobile phone with a pager (this device) according to an embodiment of the present invention. As shown in FIG. 1, the basic configuration of the present apparatus is the same as that of a conventional mobile phone with a pager, and a mobile phone unit (telephone unit) 1 for communicating with a mobile phone base station and a pager signal receiving A pager receiving unit 2 for performing A / D conversion and a pager control unit 3 for controlling power supply to the pager receiving unit 2;
A common control unit 4 for controlling voice conversion and display, and a telephone unit 1
, A switch 6 for switching power supply to the pager receiving unit 2, a display unit 8 for displaying data, a speaker 9 for outputting voice and calling ON, and a microphone 10 for inputting voice. And a display unit 8, a microphone 9, and an interface unit 7 for performing data conversion for outputting to the microphone 10.

In this apparatus, the pager control unit 3
Corresponds to a first control unit in claims, the common control unit 4 corresponds to a second control unit in claims, the switch 6 corresponds to a first switch, and the switch 5 corresponds to a second switch. Is equivalent to Further, the telephone unit 1 is provided with a mobile phone receiving unit that receives a signal of the mobile phone (not shown).

The operation of the pager control unit 3 and the common control unit 4 among the above-mentioned components is different from that of a conventional portable telephone with a pager. Next, the characteristic portions of the present apparatus will be specifically described. The pager control unit 3 of the present apparatus controls the power supply to the pager receiving unit 2 by switching ON / OFF of the switch 6 as in the related art, and controls the receiving operation in the pager receiving unit 2. Also, as a feature of the present apparatus, a pager operation signal indicating ON / OFF of the reception operation in the pager receiver 2 is transmitted to the common controller 4.
Is sent to

Here, the ON / OFF state of the receiving operation in the pager receiving section 2 is determined by the ON / OFF state of the switch 6.
The pager control unit 3 sends the ON / OFF state of the switch 6 to the common control unit 4 as a pager operation signal.

The common control unit 4 performs voice conversion, display control, and power supply control in the telephone unit 1 in the same manner as in the related art. As a feature of this apparatus, the pager control unit 3 The operation signal is received, and the ON / OFF of the switch 5 is switched based on the operation signal to control the reception operation of the mobile phone in the telephone unit 1.

More specifically, the common control unit 4 controls the ON / OFF of the switch 5 at a constant cycle to control the ON / OFF of the receiving operation in the telephone unit 1. Then, the pager operation signal from the pager controller 3 is checked, and if the pager receiver 2 is ON, the switch 5 is controlled not to be turned ON.

The pager receiver 2 has a timer A for counting the time a and a timer B for counting the time b (a> b).
And a timer D for counting time d (c> d).

Here, the receiving operation of the present apparatus will be described with reference to FIG. FIG. 2 is a timing chart showing the receiving operation of the pager receiving section 2 and the mobile phone receiving section of the telephone section 1 in the present apparatus. As shown in FIG. 2, in the present apparatus, the pager receiving section 2 performs a receiving operation for every b seconds for every a seconds, and the telephone section 1 carries out d operations for every c seconds, as in the prior art.
The receiving operation is performed by turning on the power supply for only seconds. As described above, the O of the receiving operation of the pager
N / OFF is controlled by switching the switch 6 by the pager control unit 3 and the telephone unit 1 is controlled.
Are controlled by switching the switch 5 by the common control unit 4.

As shown in FIG. 2, the features of this apparatus are as follows.
When the pager receiver 2 is ON (during reception operation), the telephone unit 1 does not turn ON and does not perform the reception operation even at the ON timing. As a result, it is possible to prevent the noise from the telephone unit 1 from affecting the receiving operation of the pager in the pager receiving unit 2 and to prevent the sensitivity of the pager from being lowered.

Next, the processing in the common control unit 4 of the apparatus will be described with reference to FIG. FIG. 3 shows the common control unit 4
It is a flowchart figure which shows the process in. As shown in FIG. 3, upon receiving a pager operation signal from the pager controller 3 (100), the common controller 4 determines whether the pager receiver 2 is ON or OFF (10).
2).

If the pager receiving section 2 is OFF, the common control section 4 switches the switch 5 to ON (10
4) The power is supplied to the telephone unit 1 to control the mobile phone to perform the receiving operation, and the timers C and D are started (106).

The common control unit 4 determines whether the timer D has timed out (108). If the time has expired, the common control unit 4 switches the switch 5 to OFF (1).
10) The power supply to the telephone unit 1 is stopped, and the reception operation of the mobile phone is stopped.

The common control unit 4 determines whether or not the timer C has timed out (120). If the time has expired, it is the timing of the next reception operation of the telephone unit 1, so Return and check the pager operation signal.

When it is determined in step 102 that the pager receiving section 2 is ON, the common control section 4 does not turn on the switch 5 and starts a timer C to wait for the next timing ( 114), and the process proceeds to 120. Thereby, when the pager receiving section 2 is performing the receiving operation, the receiving operation in the telephone section 1 is not performed. In this way, the operation in the common control unit 4 of the present apparatus is performed.

According to the portable telephone with a pager according to the embodiment of the present invention, pager control section 3 sends a pager operation signal indicating ON / OFF of the reception operation in pager reception section 2 to common control section 4, The common controller 4 controls the switch 5 to be OFF when the pager receiver 2 is ON based on the pager operation signal so that the telephone 1 does not perform the reception operation. There is an effect that noise from the telephone unit 1 is prevented from entering during the pager receiving operation in the receiving unit 2, and the receiving sensitivity of the pager can be improved.

[0026]

According to the first aspect of the present invention, when the pager section performs the receiving operation, the portable telephone section is a portable telephone with a pager that does not perform the receiving operation that generates a large noise. In this case, it is possible to prevent the noise from the mobile phone unit from entering at the time of reception, thereby improving the reception sensitivity of the pager signal.

According to the second aspect of the present invention, the first control section outputs the ON / OFF state of the first switch for switching the power supply to the pager section to the second control section as a pager operation signal. When the second control unit is in the ON state based on the pager operation signal, the second control unit switches the power supply to the mobile phone unit without turning on the second switch. Since the telephone is used as a telephone, the power supply to the mobile phone unit is stopped during the reception operation of the pager unit so that the reception operation is not performed, so that the noise from the mobile phone unit is received during the reception operation of the pager unit. And the reception sensitivity of the pager signal can be improved.

[Brief description of the drawings]

FIG. 1 is a configuration block diagram of a mobile phone with a pager (this device) according to an embodiment of the present invention.

FIG. 2 is a timing chart showing a receiving operation of a pager receiving section 2 and a telephone section 1 in the present apparatus.

FIG. 3 is a flowchart illustrating a process in a common control unit 4;

FIG. 4 is a timing chart showing a reception operation of a pager receiver and a mobile phone receiver in a conventional mobile phone with a pager.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Telephone part, 2 ... Pager receiving part, 3 ... Pager control part, 4 ... Common control part, 5 ... Switch, 6 ... Switch, 7 ... Interface part, 8 ... Display part, 9 ...
Speaker, 10 ... Microphone

Claims (2)

[Claims] In a portable telephone equipped with a pager functioning as a pager and a portable telephone functioning as a portable telephone, when the pager performs a receiving operation, the portable telephone performs a receiving operation. A mobile phone with a pager, which is not performed. 2. A mobile phone with a pager, comprising a pager functioning as a pager and a mobile phone functioning as a mobile phone, wherein: a first switch for turning on / off power supply to the pager; A second switch for turning on / off power supply to the mobile phone unit; a first control unit for controlling the first switch; and a second control unit for controlling the second switch A first control unit that outputs an on / off state of the first switch to the second control unit as a pager operation signal, wherein the second control unit includes: A mobile phone with a pager, characterized in that it is a second control unit that does not turn on the second switch when the first switch is on based on the pager operation signal.