JP2604887B2 - Wireless telephone system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a wireless telephone system, and more particularly to a method for calling a wireless telephone when the power is turned off.

(Prior Art) As is well known, a radio telephone system is, for example, as shown in FIG. 4, a radio telephone exchange 18 connected to a public line exchange 19, and a one-to-one connection with the radio telephone exchange 18. , And radio telephone base stations 15, 17,... Arranged in each of a plurality of radio zones, and radio telephones 14, 16, 16,. This is a system that enables a call between the wireless telephone and the public line subscriber 20 or between the wireless telephones by the exchange connection function of the exchange 18, and is sometimes referred to as a cellular telephone system.

In this wireless telephone system, there are a method of performing position registration of each wireless telephone and a method of not performing position registration, and there is a slight difference in a calling method.

First, in the method of performing location registration, the wireless telephone exchange 18 manages the current location of each wireless telephone, and makes a call according to the registered location information. For example, public line subscriber 20
When a call to the wireless telephone 14 is input via the public line switch 19, the presence or absence of registration of the wireless telephone 14 is checked, and if registered, a calling signal is wirelessly transmitted from the wireless telephone base station 15 in the corresponding wireless zone and the wireless signal is transmitted. The telephone 14 is connected to the calling line. On the other hand, if it is not registered, the calling operation is not performed, the public line subscriber 20 is immediately notified of the reason for the connection failure by the voice of "This telephone is not currently used", and the processing ends.

Here, the location registration is performed as follows. That is,
Each wireless telephone transmits a location registration signal at a predetermined time interval (for example,
(15 minute intervals), and the wireless telephone base station (15, 17,...) Receiving the wireless communication repeatedly transmits the wireless communication to the wireless telephone exchange 18, so that the latest position information is updated and registered in the wireless telephone exchange 18. . When the wireless telephone stops transmitting the location registration signal due to power off or the like, the wireless telephone exchange 18
Then, the location registration information is deleted and unregistered.

In short, each wireless telephone prepares for a call while performing the operation of registering the current position.

Also, in the method of not performing location registration, when a call is made, the wireless telephone exchange causes the wireless telephone base stations in all wireless zones to wirelessly transmit a calling signal and has a response from the corresponding wireless telephone, and after a predetermined time elapses. If there is no response, the same voice as described above is returned to the calling side, and the processing is terminated. The non-response in this case also occurs when the power of the wireless telephone is turned off.

Returning the caller "This phone is not currently being used" would be undesirable because it would result in poor line connection service and would be unregistered or unanswered in this type of wireless telephone system. In order to avoid this as much as possible and to prevent the service from deteriorating, all wireless telephones are usually kept powered on.

(Problems to be Solved by the Invention) In the above-described conventional radio telephone system, each radio telephone must always be turned on in order to receive a call, but as a result, there is a problem that wasteful power consumption occurs. is there. Since wireless telephones are mounted in automobiles, there is a strong demand for power saving, and improvements are desired. In addition, since the power is turned on / off manually, the user often forgets to turn on the power, which leads to a reduction in service. Therefore, a preventive measure is desired.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an object of the present invention is to enable a radio telephone to be turned on when a call is made to the radio telephone which is turned off, and to make a normal line connection. To provide a telephone system.

(Means for Solving the Problems) In order to achieve the above object, a wireless telephone system of the present invention has the following configuration.

That is, the wireless telephone system according to the first aspect of the present invention is a means for, when a call input via a public line is directed to an unregistered wireless telephone whose location is not registered, being switched to a switch of the wireless telephone system. Means for requesting the control center of the paging system to paging call to the unregistered wireless telephone after holding the call; and releasing the hold of the call in response to completion of location registration of the wireless telephone relating to the call. Means for making a line connection with the wireless telephone after releasing the hold; means for receiving the paging call in the wireless telephone; and turning on the circuit power of the wireless telephone in response to the reception. And a paging power supply for operating each of the means.

A wireless telephone system according to a second aspect of the present invention is a wireless telephone system comprising: means for, when a wireless telephone called in response to an outgoing call input via a public line to the exchange of the wireless telephone system receiving no answer, suspends the call; Means for requesting the control center of the paging system to call the paging call to the non-responding radio telephone after holding; means for recalling the non-responding radio telephone after requesting the paging call; and confirming the response to the recall. Means for releasing the hold later; means for making a line connection with the wireless telephone after releasing the hold;
Means for receiving the paging call in the wireless telephone; means for turning on circuit power of the wireless telephone in response to receiving the paging call; and a paging power supply for operating the respective means; Is provided.

(Operation) Next, the operation of the wireless telephone system of the present invention configured as described above will be described.

The present invention focuses on the function of a paging system, which is a radio selective calling system that exists independently of a radio telephone system.

That is, a means for receiving a paging call in the wireless telephone and a means for turning on the telephone circuit power in response to the reception are provided, and a paging power supply for activating these is provided separately from the telephone circuit power supply. Is turned off.

In the wireless telephone system, there is a method of performing location registration and a method of not performing location registration.Accordingly, the function to be added to the exchange of the system is slightly different, but when the wireless telephone for calling is unregistered or unanswered. , Requesting a paging call to the control center of the paging system. Since the paging system is also similar in configuration to the wireless telephone system and the wireless zones overlap, the paging call is received by the corresponding wireless telephone and the telephone circuit power is turned on. As a result, location registration of the wireless telephone or recall to the wireless telephone is performed,
Normal line connection is made.

As described above, according to the wireless telephone system of the present invention, the power of the wireless telephone can be automatically turned on by using the function of the paging system. It can be turned off and power can be saved. Further, there is an effect that the problem that the call cannot be received due to forgetting to turn on the power and the service is reduced can be solved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a wireless telephone system according to one embodiment of the present invention. This wireless telephone system is composed of a wireless telephone exchange 6 connected to a public line exchange 19 and a plurality of wireless zones connected one-to-one with the wireless telephone exchange 6 as in the conventional system. , Respectively, and the wireless telephones 1, 3,... That move in or between wireless zones, and use the paging system 5. Is different.

Specifically, as shown in FIG. 3, for example, the paging system 5 includes a paging control center 25 connected to the public line exchange 19, and a plurality of wireless zones connected one-to-one with the paging control center 25. Pager base stations 22, 24, ………
The pager receivers 21 and 23 move within the wireless zone or between the wireless zones. As we all know,
The pager receivers (21, 23,...) Have only a reception function, and when receiving a paging call (wireless selective calling signal), notify the holder of the reception. The layout of the wireless zone of this paging system often overlaps that of the wireless telephone system.

Therefore, in the present invention, means for putting the call on hold when the wireless telephone associated with the call is unregistered or unanswered, and then requesting the paging control center 25 to access the paging call to the wireless telephone exchange 6. Means, in the location registration method, means for releasing the hold after confirming the location registration and connecting to the line, and in the method not performing location registration, recalling means and releasing the hold after confirming the response to the line connection. And means for performing the following.

In the wireless telephone, for example, as shown in FIG. 2, a switch 9 for connecting / disconnecting the telephone circuit 10 and its main power supply 13, a pager function unit 11 for closing the switch 9 when a paging call is received, and a pager A paging power supply 12 for operating the function unit 11 is provided. The switch 9 can be manually turned on / off.

In the above configuration, the radio telephone calling method of the present invention is as follows. As described above, in this type of wireless telephone system, there are a method of performing position registration and a method of not performing position registration. First, in a wireless telephone system of a location registration type, for example, when the wireless telephone 1 is turned off its main power supply 13 and is not registered in the wireless telephone exchange 6, a public line subscriber 20 is issued to the wireless telephone 1. Suppose you call.
This call is sent to the wireless telephone exchange 6 via the public line exchange 19.
However, since the wireless telephone 1 has not been registered, the wireless telephone exchange 6 suspends the call and requests the paging control center 25 to perform a paging call.
It waits for a location registration signal from the corresponding wireless telephone 1.

The paging control center 25 causes all the pager base stations (22, 24,...) To make a paging call, and calls the pager function unit 11 of the wireless telephone 1. Then, the pager function unit 11 that has received the call closes the switch 9 and connects the main power supply 13 to the telephone circuit 10. as a result,
The telephone circuit 10 transmits a location registration signal according to a normal procedure. This is via the wireless telephone base station 2 and the wireless telephone exchange 6
And the location is registered.

Therefore, when confirming the end of the location registration, the wireless telephone exchange 6 releases the hold, calls the wireless telephone 1 via the wireless telephone base station 2 according to a normal procedure, and establishes a line connection.

Next, it is assumed that a public line subscriber 20 calls the wireless telephone 1 whose main power supply 13 is turned off in the wireless telephone system without the location registration function. Since this call is connected to the wireless telephone exchange 6 via the public line exchange 19, the wireless telephone exchange 6 follows all the wireless telephone base stations (2,
4,...) To call the wireless telephone 1,
Wait for a response. When the non-response state elapses for a predetermined time, the wireless telephone exchange 6 suspends the call and requests the paging control center 25 for a paging call.

The paging control center 25 causes all the pager base stations (22, 24,...) To make a paging call, and calls the pager function unit 11 of the wireless telephone 1. Then, the pager function unit 11 that has received the call closes the switch 9 and connects the main power supply 13 to the telephone circuit 10. as a result,
The wireless telephone 1 can receive a call.

Therefore, the radio telephone exchange 6 releases the hold after a predetermined time elapses after the request, for example, and again executes all the radio telephone base stations (2, 4,...) According to the normal procedure.
To make a call to the wireless telephone 1, and when a response can be confirmed, the line connection is made.

(Effects of the Invention) As described above, according to the wireless telephone system of the present invention, the power of the wireless telephone can be automatically turned on by using the function of the paging system, so that it is assumed that there is no call. Can be turned off in case
Power saving can be achieved.

Further, there is an effect that the problem that the call cannot be received due to forgetting to turn on the power and the service is reduced can be solved.

[Brief description of the drawings]

FIG. 1 is a configuration block diagram of a radio telephone system according to an embodiment of the present invention, FIG. 2 is a configuration block diagram of a radio telephone of the present invention, FIG. 3 is a configuration block diagram of a paging system used by the present invention, FIG. 4 is a configuration block diagram of a conventional wireless telephone system. 1,3 ... wireless telephone, 2,4 ... wireless telephone base station, 5 ... paging system, 6 ... wireless telephone exchange, 9 ... switch, 10 ... telephone circuit, 11 ... pager function unit, 12 …
… Paging power supply, 22,24 …… Pager base station, 25…
… Paging control center.

Claims (2)

(57) [Claims] 1. A means for holding a call to an exchange of a radio telephone system when a call input via a public line is for an unregistered radio telephone whose location is not registered; Means for requesting the control center of the paging system to make a paging call to the unregistered wireless telephone; means for releasing the hold of the call in response to the end of the location registration of the wireless telephone relating to the call; Means for making a line connection with the radiotelephone after release; means for receiving the paging call in the radiotelephone; means for turning on circuit power of the radiotelephone in response to the reception; A paging power supply for activating the means. 2. A means for holding a call to a switchboard of a radiotelephone system in response to a call inputted via a public line when the radiotelephone is not answered; and controlling the paging system after holding the call. Means for requesting a center to perform a paging call for the non-responding radio telephone; means for re-calling the non-responding radio telephone after requesting the paging call; releasing the hold after confirming the response to the re-call Means for making a line connection with the wireless telephone after the hold is released; means for receiving the paging call in the wireless telephone; circuit power supply of the wireless telephone in response to receiving the paging call And a paging power supply for operating each of the means. Wireless telephone systems, wherein only are.