JP2854602B2 - Cordless telephone equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention performs wireless communication between a master station wireless device connected to a subscriber line terminal of a wired communication switching network and the master station wireless device. The present invention relates to a cordless transmission device including a cordless telephone handset.

2. Description of the Related Art Conventionally, a cordless telephone device of this type performs an on-hook operation with a switch for on-hook operation to set a standby state, or a charging device provided with a cordless telephone handset in a base station wireless device. By placing the cordless telephone subunit in a charging unit or an independent charging device, the charging terminal voltage or current of the cordless telephone handset is set to an on-hook state.

[Problems to be Solved by the Invention] However, in this conventional example, when the on-hook operation is forgotten or the detection becomes impossible due to the poor contact of the charging terminal, the off-hook state is continued, and the communication between the master station wireless device and the cordless telephone handset is continued. There has been a drawback that the wireless line is still connected and the call state is continued, the secondary battery of the cordless telephone handset is consumed, and cannot be used next time. Also, a means for displaying the battery status is provided on the cordless telephone handset, but this display means is displayed only when the cordless telephone handset is used. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object of the present invention is to make it possible to recognize by a display whether or not a call is being made even after a cordless telephone handset is mounted on a charging device. Also, the present invention relates to a cordless telephone device capable of performing an on-hook operation for ending a call.

[Means for Solving the Problems] The present invention relates to a master station radio apparatus provided in a subscriber line terminal of a wired communication switching network, and operates using a rechargeable secondary battery as a power source, and Wirelessly connected between the base station wireless device and a cordless telephone handset connected to the wired communication switching network via the master station wireless device, the charging device attached to the master station wireless device or independently installed When a cordless telephone handset is placed and mounted on the device, a display unit is provided on the front surface of the cordless telephone handset to indicate whether or not a call is in progress, and a switch for on-hook operation is provided. It is.

[Operation] When the user places the cordless telephone handset on the charging device attached to the master station wireless device or on an independent charging device without performing the on-hook operation after the end of the call with the other party. In the case where the connection between the charging device and the slave unit is incomplete and the charging output is not obtained, the call state is maintained. However, since the call state is displayed and can be recognized by the display unit, this display is displayed. If so, the cordless telephone handset can be put on standby by on-hook operation by the on-hook operation switch.

EXAMPLES The present invention will be described below with reference to examples.

FIG. 1 shows a configuration of an embodiment, in which a base station wireless device (abbreviated as a parent device) 1 includes a line connection device 3 connected to a wired communication switching network 2 and a cordless telephone handset (hereinafter abbreviated as a handset). )
6. A transmitting / receiving device 4 for wirelessly transmitting and receiving a call voice signal and a control signal to and from the control device 6, a control device 5 for controlling incoming calls, calling of the child device, and the like, and a child device 6 6 built-in 2
It comprises a power supply circuit 9 for supplying charging power to the charging circuit 8 of the secondary battery 7 and for supplying operating power to the parent device 1, and a charging terminal 10 for connecting the child device 6.

On the other hand, the handset 6 includes a transmitting / receiving device 11 for wirelessly transmitting and receiving a call voice signal and a signal for control with the base unit 1 in addition to the charging circuit 8 and the secondary battery 7, a handset 12, and an off-hook operation. An operation switch section including a call switch 13a for performing an on-hook operation, an end switch 13b for performing an on-hook operation, a dial switch 13c, and a light emitting diode LE for displaying a call and a battery.
D ₁ , an operation display unit 13 including a display unit performed by the LED ₂ , an end switch 14 in a parallel relationship with the end switch 13b,
Light-emitting diode LE that constitutes a display unit that displays the call status
And D _3, detection of off-hook operation, detection of on-hook operation, even set of these operations detected by the call state standby state, Hatsuna control incoming calls ringing, the charging device unit which is attached to the main unit 1 Alternatively, the charging circuit 8 may be provided in a charging unit provided independently.
Function and the function of matching or the like of the ID data received with the ID data of the cordless telephone apparatus, the light emitting diodes LED ₁ ~LED ₃ that but for sensing to hook control this when connected charging current is detected The control device 15 includes a control device 15 having a function of performing display control, and a connection terminal 16 for connecting the charging circuit 8 to the charging terminal 10 of the parent device 1.

Each switch 13a~13b or a light emitting diode LED of the operation display unit 13 of the slave unit 6 _1, LED ₂ is or in handset, second in the middle portion of the device body 6a to be back upon置装wearing placing the charging device portion It is provided as shown in FIG.
The LED ₃ is provided on the front side of the container 6a as shown in FIG. 2 (b).

Next, the operation of this embodiment will be described with reference to the time chart of FIG. In addition, the function as a normal cordless telephone device performs the same operation as that of a known cordless telephone device, and the description of the normal call operation is omitted.

First, as shown in FIG. 3, when the slave 6 is picked up by the charging device at the time A, the charge detection is reversed as shown in FIG. 3 (b). Thereafter, if the call switch 13a is operated as shown in FIG. 3 (a), the control device 15 determines that the hook is off-hook by the operation of the call switch 13a together with the reversal of the charge detection and the call is made as shown in FIG. 3 (c). State.

When the communication state is established in this way, under the control of the control device 15, the light emitting diode LED ₁ and the front side LED ₃ for displaying the call on the operation display unit 13 are turned on, and as shown in FIG. Indicates that it is in a state.

In addition, a wireless line is formed between the slave 6 and the master 1, and telephone communication with the wired communication switching network 2 through the master 1 by the operation from the slave 6 is enabled.

Next, after the end of the call, when the end switch 13b is operated at the point E to be on-hook, the control unit 15 switches the operation of the slave unit 6 to the standby state as shown in FIG. The diodes LED ₁ and LED ₃ are turned off, indicating that the apparatus is in a standby state.

Thereafter, at a time point B, when the slave 6 is placed on the independent charger or attached to the master 1, if the connection between the power supply circuit 9 and the charging circuit 8 of the charger is normal, the charging circuit 8 outputs from FIG. As shown in (b), an "L" charge detection output is generated.

In this case, at the time point B when the end switch 13b of the slave 6 is operated, the control device 15 determines that the operation is an on-hook operation, and stops the transmission from the slave 6 to set a standby state in which the wireless line is disconnected. The control unit 5 also detects the disconnection of the wireless line.
Sets the standby state.

When the slave unit 6 is placed and mounted on the charging unit 18 as shown at a time point C without performing the on-hook operation of the end switch 13b after the end of the call, if the charging detection output is normally output, the slave unit 6 The control device 15 performs the on-hook control to set the above-described standby state.

By the way, as shown above at the time point D without performing the on-hook operation by the end switch 13b, even if the slave unit 6 is placed and mounted on the charging device section 18 and the charging detection output is not normally output due to poor connection or the like. The control device 15 of the slave unit 6 keeps the light emitting diodes LED ₁ and LED ₃ driven and lit to indicate that the user is in a talking state. Light emitting diode LE
It can be seen that the energized state is held by the display of D _3.

In this case, if the end switch 14 on the surface of the container 6a is operated, for example, at the time point D as shown in FIG. 3 (e), the control device 15 performs on-hook control corresponding to this operation and sets the above-mentioned standby state. .

In this embodiment, since the light emitting diodes LED ₁ and LED ₃ for indicating the call status are provided on the front and back of the body 6 a of the slave 6, the slave 6 is used at a location away from the master 1 and then goes off-hook. Even when the mobile device 6 is left as it is without operation, it is possible to recognize that the user is in a call state from the front and back sides of the child device 6, so that unnecessary battery consumption can be prevented.

According to the present invention, the user forgets the on-hook operation after the end of the telephone conversation with the other party, or has a defect in the charging device unit provided with the base station wireless device for connecting the cordless telephone handset or independently installed. Even if the call state is continued, the display on the display unit provided on the surface of the slave unit indicates whether or not a call state is in effect while the portable device is left on the charging device, and furthermore, it is possible to keep the device on the charging device. Since the end switch can be operated, it is easy to use, and it is possible to prevent the battery of the cordless telephone handset from being left unnecessarily in a call state and wasted, and it is impossible to use it next time you want to use it There is an effect that there is no fear of becoming.

[Brief description of the drawings]

FIG. 1 is a circuit diagram of one embodiment of the present invention, and FIG.
(B) is a perspective view of the cordless telephone handset of the above, and FIG. 3 is a time chart for explaining the operation of the same. 1 is a base station wireless device, 2 is a wired communication switching network, 6 is a slave, 7
Is a secondary battery, 18 is a charging unit, 14 is an end switch, LED ₃
Is a light emitting diode.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04M 1/00 H04M 1/02

Claims (1)

(57) [Claims] 1. A wireless communication apparatus comprising: a main station radio device provided at a terminal of a subscriber line of a wired communication switching network; and a rechargeable battery operated as a power source, and a wireless connection between the radio device and the master station radio device. A cordless telephone set comprising a cordless telephone handset connected to the wired communication switching network via the master station radio apparatus. A cordless telephone comprising: a display unit for displaying whether or not a call is in progress on the body surface of a cordless telephone handset that is on the front side when the mobile phone is mounted and mounted, and an on-hook operation switch provided. apparatus.