JP2003009235A - Cordless telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cordless telephone system capable of easily confirming display contents of a slave unit even without interrupting speech communication. SOLUTION: Whether or not the slave unit is in the middle of speech communication is decided when text data and image data are displayed on the slave unit, and in the case the slave unit is in the middle of speech communication, the data of the slave unit are transferred to a master unit so as to display the data of the slave unit on a displaying part of the master unit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone device in which a master unit and a slave unit are connected by a wireless line.

[0002]

2. Description of the Related Art A cordless telephone system comprises a base unit connected to a telephone line and a handset connected to the base unit via a wireless line. The base unit is a base station and the handset is a mobile station. It is designed to communicate with each other. In addition, recently, a cordless telephone device having a display unit on a child device has appeared, and various information can be displayed on the child device.
For example, Japanese Unexamined Patent Application Publication No. 7-313632 describes a child device whose call duration is displayed on the display unit, and Japanese Unexamined Patent Application Publication No. 5-218964 discloses another child device or a parent device during a call. It is described that the child device is displayed on the display unit. Further, in addition to such an application, a child device provided with a display unit can display text data, image data, etc. of an electronic mail sent from the outside.

[0003]

However, in the cordless telephone device as described above, when the cordless handset is in a call, the user has to hold the cordless hand by his / her hand to make a call. , There is a problem that you cannot see the contents displayed on the display of the child device. Further, although a display unit is also provided in the base unit, conventionally, the display unit of the base unit displays that the line is being used during a telephone call of the handset, or is disclosed in JP-A-4-354230. As in Kaihei 6-6305, only the battery level of the child device is displayed. Therefore, in the conventional cordless telephone device, in order to see the display content on the handset during a call, it is necessary to interrupt the call and check the display on the display unit.

The present invention is intended to solve the above-mentioned problems, and an object of the present invention is to provide a cordless telephone device capable of easily confirming the display contents of a handset unit without interrupting a call. is there.

[0005]

In order to solve the above problems, according to the present invention, the display content of the slave unit is displayed on the display unit of the master unit when the slave unit is busy. By doing this, even if the child machine is in a call, if you go to the location of the parent machine while holding the child machine, the display content of the child machine is displayed on the display unit of the parent machine. You can check the displayed contents while you are talking by looking at. Therefore,
While making the most of the advantage of the cordless telephone device that allows you to talk while moving freely, you can make a call while looking at the image, such as a videophone, by looking at the information sent to the base unit. It becomes possible and convenience improves.

In a specific embodiment of the present invention, the master unit has a first display section and the slave unit has a second display section. Further, when displaying text data or image data on the second display unit of the child device, a determination unit is provided that determines whether or not the child device is in a call. Then, when the determination unit determines that the slave unit is in a call, the data of the slave unit is transferred to the master unit and the master unit displays the data on the first display unit. In addition, if it is determined by the determination means that the slave unit is not in a call, the second unit is determined by the slave unit.
The data is displayed on the display section of.

The data displayed on the display unit of the base unit may be text data or image data received by the handset from the outside, or may be phonebook data that the handset has in advance. Good. The data of the telephone directory includes not only a telephone number but also an e-mail address and the like.

Further, in the present invention, a master unit display mode for displaying the data of the slave unit on the display unit of the master unit is provided, and the data of the slave unit is displayed on the master unit on condition that the mode is set. You may make it displayed on the section. This master unit display mode may be provided in the slave unit or may be provided in the master unit.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A cordless telephone device according to the present invention comprises a base unit 1 shown in FIG. 1 and a handset unit 20 shown in FIG. In FIG. 1, the main | base station 1 is equipped with the handset 2 for telephone calls, the operation part 3 which consists of a key for inputting a telephone number and various operations, and the display part 4 which consists of a liquid crystal display etc. In addition, in FIG.
Is an operation unit 21 including keys for inputting a telephone number and various operations, a display unit 22 including a liquid crystal display, a speaker 23 for outputting voice during a call,
A microphone 24 for inputting voice during a call and an antenna 25 for communication are provided.

FIG. 3 is a block diagram showing an electrical configuration of the base unit 1. Reference numeral 3 is an operation unit, and 4 is a display unit, which are the same as those shown in FIG. 5 is a call circuit connected to a telephone line for exchanging call signals, and 6 is a CP
A control unit including a U and a memory, 7 is a transmission / reception unit including a transmission circuit and a reception circuit, 8 is an antenna connected to the transmission / reception unit 7, 9 is a speaker that outputs voice during a call, and 10 is voice that is output during the call. This is the input microphone. The speaker 9 and the microphone 10 are provided in the handset 2 of FIG.

FIG. 4 is a block diagram showing the electrical configuration of the slave unit 20. Reference numeral 21 is an operation unit, 22 is a display unit, 23 is a speaker, 24 is a microphone, and 25 is an antenna, which are the same as those shown in FIG. The antenna 25 communicates with the antenna 8 of the master device 1, and the master device 1 and the slave device 20 are connected to each other via the antennas 8 and 25 by a wireless line. Reference numeral 26 is a control unit including a CPU and memory, and 27 is a transmission / reception unit including a transmission circuit and a reception circuit. The control unit 26 constitutes the discriminating means in the present invention.

In the cordless telephone system having the above-mentioned structure, the antenna 25 and the transmission / reception section 27 are included in the handset 20.
Thus, the text data and the image data sent from the outside are received, and the contents thereof are displayed on the display unit 22.
At this time, if the mobile device 20 is in a call, the control unit 26 transmits the data received by the mobile device 20 from the transmitting / receiving unit 27 to the antenna 2.
5 to the master unit 1. The transferred data is
The data is received by the antenna 8 and the transmission / reception unit 7 of the base unit 1, and the control unit 6 of the base unit 1 displays this data on the display unit 4. Thus, since the display content of the child device 20 is displayed on the display unit 4 of the parent device 1 during the call of the child device 20, the user moves to the location of the parent device 1 while continuing the call on the child device 20. While watching the message or image displayed on the display unit 4 of the base unit 1, it is possible to have a meeting with the other party of the telephone.

FIG. 5 is an example of the display contents displayed on the display unit 4 of the base unit 1 during the handset call, and the message displayed based on the text data of the electronic mail received by the handset 20. Shows an example of. FIG. 6 is another display example on the display unit 4 of the parent device 1, showing an example of a map displayed based on the image data received by the child device 20. 5 and 6 are examples in which only one of a character and an image is displayed, but both the character and the image are displayed on the display unit 4 of the parent device 1 based on the text data and the image data received by the child device 20. It is also possible to display.

FIG. 7 is another example of the display contents displayed on the display unit 4 of the base unit 1 during the handset call, in which the data of the telephone directory held in advance by the handset 20 is called, This is an example of displaying this on the base unit 1. The phone book contains the phone numbers of your home or mobile phone as well as your email address. For example, when the contact information of a person is to be communicated to the person on the other side of the call during the call, the call is conventionally interrupted and the telephone number or the like is displayed on the display unit 22 of the handset 20 and the number or memo is memorized. After that, the call was resumed, but in the example of FIG. 7, while continuing the call, the user can move to the location of the base unit 1 and confirm the telephone number or the like on the display unit 4 of the base unit 1.
There is no need for interruption of calls or memos.

FIG. 8 is a flowchart showing the operation of the above cordless telephone device. Control unit 2 of child device 20
When displaying the data received by the slave unit or the data held in advance by the slave unit on the display unit 22 (step S1), 6 determines whether the slave unit 20 is in a call (step S2). ). As a result, when it is determined that the child device 20 is in a call, the data is transferred from the child device 20 to the parent device 1 (step S3) and the data content is displayed on the display unit 4 of the parent device 1 ( Step S4). If it is determined that the mobile device 20 is not in a call, the display unit 22 of the mobile device 20 is displayed.
The data contents are displayed on the screen (step S5).

FIG. 9 is a flowchart according to another embodiment, in which the same steps as those in FIG. 8 are designated by the same reference numerals. When displaying the data of the child device on the display unit 22 (step S1), the control unit 26 of the child device 20 determines whether the child device 20 is in a call (step S2). Cordless handset 20
If no call is being made, the data content is displayed on the display unit 22 of the child device 20 (step S5). The above is exactly the same as in FIG.

On the other hand, when it is determined that the handset 20 is in a call, it is determined whether or not the handset display mode is set (step S2a). Base unit display mode is child unit 2
In the mode in which the data of 0 is displayed on the display unit 4 of the master unit 1, the master unit display mode key (not shown) is provided on the operation unit 21 of the slave unit 20, and the master unit display mode is operated by operating this key. Is set. The master unit display mode key may be provided on the operation unit 3 of the master unit 1. When the master unit display mode is set, the data of the slave unit is transferred from the slave unit 20 to the master unit 1
(Step S3), and the data content is displayed on the display unit 4 of the parent device 1 (step S4). If the parent device display mode is not set, the display unit 22 of the child device 20 is displayed.
The data content is displayed on the screen (step S5).

According to the example shown in FIG. 9, the base unit 1 is used only when necessary.
The display unit 4 can display the data of the child device.
For example, if the display content of the child device 20 is extremely simple and there is no need to bother to go to the location of the parent device 1 and watch the contents while talking, the call is interrupted without setting the parent device display mode. Then, the display content may be confirmed on the display unit 22 of the child device 20. In addition, when the display content of the child device 20 is a long sentence or an image and it is necessary to hold a meeting while watching them, the data of the child device 20 is set by operating the key to set the parent device display mode. Is transferred to the base unit 1, and the display content is displayed on the display unit 4 of the base unit 1.

[0019]

As described above, according to the present invention, when the slave unit is in a call, the display content of the slave unit is displayed on the display unit of the master unit. On the other hand, the display contents of the child device can be confirmed on the parent device. Therefore, it is not necessary to interrupt the call, and convenience is improved.

[Brief description of drawings]

FIG. 1 is a front view showing a master unit of a cordless telephone device according to the present invention.

FIG. 2 is a front view showing a slave unit of the cordless telephone device according to the present invention.

FIG. 3 is a block diagram showing an electrical configuration of a master unit.

FIG. 4 is a block diagram showing an electrical configuration of a child device.

FIG. 5 is a display example on the display unit of the parent device.

FIG. 6 is another display example on the display unit of the parent device.

FIG. 7 is another display example on the display unit of the parent device.

FIG. 8 is a flowchart showing the operation of the cordless telephone device.

FIG. 9 is a flowchart according to another embodiment.

[Explanation of symbols]

1 base unit 3 operation part 4 Display 6 control unit 7 Transmitter / receiver 8 antenna 20 cordless handsets 21 Operation part 22 Display 25 antenna 26 Control unit 27 Transmitter / receiver

Claims (5)

[Claims] 1. A cordless telephone apparatus comprising a master unit connected to a telephone line and a slave unit connected to the master unit via a wireless line, wherein a cordless telephone apparatus for performing wireless communication between the master unit and the slave unit is provided. The mobile device has a first display unit, and the slave unit has a second display unit. When the slave unit displays text data and / or image data on the second display unit, the slave unit makes a call. A determining unit is provided to determine whether or not the call is in progress. When the determining unit determines that the slave unit is in a call, the data is transferred from the slave unit to the master unit, and the first unit is set in the master unit. The cordless telephone device characterized in that the data is displayed on the display unit, and the data is displayed on the second display unit in the handset when the determination unit determines that the handset is not in a call. 2. A cordless telephone device comprising a master unit connected to a telephone line and a slave unit connected to the master unit by a wireless line, and performing wireless communication between the master unit and the slave unit. A cordless telephone device characterized by displaying the data on the display unit of the master unit when the slave unit is in a call when displaying the data on the master unit. 3. The cordless telephone device according to claim 2, wherein the data displayed on the display unit of the master unit is text data and / or image data received by the slave unit from the outside. Telephone device. 4. The cordless telephone device according to claim 2, wherein the data displayed on the display unit of the parent device is data of a telephone directory held in advance by the child device. . 5. The cordless telephone device according to claim 2, wherein a cordless handset display mode for displaying data of the cordless handset on a display unit of the cordless handset is provided in the cordless handset or the cordless handset. A cordless telephone device for displaying data of a slave unit on a display unit of the master unit when the master unit is in a call and the master unit display mode is set.