KR100260756B1 - Cordless telephone having in common with a walkietalkie function - Google Patents

Abstract

PURPOSE: A coreless telephone having a function of a walkie-talkie is provided to allow a portable unit user or a fixing unit user to carry and move freely without restriction of a telephone communication space as necessary by implementing a portable fixing unit and performing an extension call between the portable fixing unit and a portable unit through an intercom function. CONSTITUTION: A controller(110) controls a generation operation of a handset fixing unit(100). A display unit(112) is implemented as a typical LCD and displays various information such as a general operation state of the handset fixing unit(100) and an inputted phone number. A key input unit(112) includes a number key for inputting a phone number and a plurality of function keys for executing a supplementary function of the handset fixing unit(100). A voice unit(116) includes a speaker(118) and a microphone(120), and processes a voice signal received through an RF unit(114) or a voice inputted from a user. The RF unit(114) transmits and receives a radio signal to set up a radio communication with the handset fixing unit(100) and a portable unit(400) and decodes a transmitted and received signal. A communicating unit(124) performs the same function for setting up an office line call as that of a general phone set. A charging battery(126) supplies a power to the handset fixing unit(100). A modular jack(125) connects the communicating unit(124) and an external phone line and applies a charged power applied from the fixture fixing unit(200) to the charging battery(126). An external phone line(328) is connected to a curl cord(300) through the modular jack(226) and connected to the handset fixing unit(100). A power supply unit(210) receives power through an external adapter(428) and transmits it to a handset fixing unit(100) through the curl cord(300). A charging unit(212) charges the charging battery included in the handset fixing unit(100).

Description

Cordless Phone with Radio Function

The present invention relates to a radiotelephone which performs an intercom function between a portable device and a fixed device, and more particularly, to a radiotelephone that implements a portable fixed device and performs a radio function between a fixed device and a portable device using an intercom function. will be.

In general, a wireless telephone is composed of a portable device and a fixed device, and the user performs a call function without limitation of space such as dialing through the portable device. However, when a telephone call is made through the fixing device, a separate key input button and a handset are provided on the fixing device so that the user picks up the handset and performs the call at the place where the fixing device is installed.

On the other hand, since the intercom function is generally implemented in the wireless telephone as described above, an internal call can be made between the portable device and the fixed device. When performing the intercom function, the user of the portable device moves without limiting the space. Though. On the contrary, the fixed device user can make an internal call within a distance to input a key button provided on the main body or within a length limit of the curl cord connected between the handset and the fixed main body even if it is far away. There was inconvenient movement of the call space.

Moreover, the fixing device has the characteristic that the external telephone line is directly connected by wire, which places a limitation on the installation position of the fixing device, and thus the position where the user using the fixing device can make a call is further limited. There was a problem to be received.

In the case of making a call in a limited space through the conventional type of wireless telephone as described above, the intercom function did not cause any problem in performing the extension call. If a mobile device user or a fixed device user frequently makes an extension call through the intercom function. Where an extension call function is usefully used, performing an extension call of a conventional wireless telephone has brought a lot of inconvenience to the user.

Accordingly, the present invention implements a portable fixation device and allows an extension call to be carried out through an intercom function between the implemented portable fixation device and the portable device, so that not only the user of the portable device but also the user of the fixed device need to limit the call space. The object of the present invention is to implement a radiotelephone which can move freely and use freely, that is, combine a radio function.

That is, an object of the present invention is to implement a radiotelephone which is performed by a combined radio function.

In order to achieve this object, the present invention provides at least one portable device; A charging unit configured to convert a power of an external adapter applied through the adapter jack into a charging power and output the charging power, and a charging power output from the charging unit, including a first modular jack connected to an external telephone line and an adapter jack connected to an external adapter; And a fixing device having a second modular jack for transmitting an external telephone line applied through the first modular jack to the outside; A wireless unit for performing a wireless signal transmission / reception operation with the portable device, a communication unit connected to an external telephone line to perform a call signal transmission / reception operation through an external telephone line, a handset configured with a speaker and a microphone, and externally supplied power A mobile fixed device having a rechargeable battery for receiving and storing power and supplying power if necessary, and connecting the call unit with an external telephone line and connecting the rechargeable battery with a charging power applied from the outside; An external telephone line applied to the fixing device and the charging power output from the charging unit may be connected to the second module jack to output the mobile fixing device to the mobile fixing device, and the external telephone line may be charged through the second modular jack. A cordless telephone comprising a curl cord connected to the third modular jack is provided so that power is applied to the communication unit and the rechargeable battery of the mobile fixed device.

1 is a block diagram of a radio-function combined wireless telephone according to the present invention

2 is an external perspective view of the radio function combined radiotelephone according to an embodiment of the present invention.

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

On the other hand, in the following description of the present invention, when it is determined that detailed descriptions of related well-known functions or constructions may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted, and generally customary in constructing the present invention. Components and functions used as such will be omitted. The terms to be described below are terms defined in consideration of functions in the present invention, and may be changed according to the intention or custom of the user or chip designer, and the definitions should be made based on the contents throughout the present specification.

FIG. 1 is a block diagram of a radiotelephone combined with a radio function according to the present invention, and is a view showing only actual essential components in carrying out the present invention. Therefore, if a component that is not shown in the performance of the present invention is required, it is possible to perform its function as a component of the already known public radiotelephone.

Of the wireless telephone shown in FIG. 1, first, a mobile fixing device 100 will be described. The controller 110 controls the overall operation of the mobile fixing device 100. The display unit 112 is usually implemented as a liquid crystal display (LCD) and displays various information such as the overall operating state of the mobile fixing device 100 and an input telephone number. The key input unit 112 is a part for inputting a user's intention and command to operate the mobile fixing device 100, a numeric key for inputting a telephone number, etc., a plurality of function keys for executing additional functions of the mobile fixing device 100, and the like. And the like. The voice unit 116 includes a speaker 118 and a microphone 120 and processes a voice signal received through the RF unit 114 or a voice signal input from a user. On the other hand, since the speaker 118 can hear the voice of the other party, it is usually called a receiver, and the microphone 120 is called a transmitter because it is a part for transmitting the user's voice to the other party. The RF unit 114 transmits and receives a radio signal to form a radio call between the mobile fixed device 100 and the portable device 400 and decodes the transmitted and received signal. The radio signal transmitted to and received from the RF unit 114 is transmitted and received through the antenna ANT. The communication unit 124 performs the same function as the function for forming a trunk line call configured in a general telephone, and includes a hook switch, a channel circuit, a ring detector, a tone generator, a DTMF receiver, and a ring generator. The rechargeable battery 126 supplies power to the mobile fixed device 100, and accumulates the charging power applied from the outside, and then, when external power is not supplied to the mobile fixed device 100, the mobile fixed device 100 is stored using the accumulated power. Drive. In addition, a modular jack 126 is connected to the communication unit 124 and an external telephone line and simultaneously applies charging power applied from the fixing device 200 to the charging battery 126. That is, the modulus jack 126 is a part to which a curl code 300 for connecting a call signal and a power supply between the fixing device 200 and the mobile fixing device 100 is connected. The mobile fixing device 100 is connected to an external telephone line and is supplied with charging power output from the fixing device. The curl cord 300 includes five lines, and the five lines include two power supply lines, two call signal lines, and one ground (GND) line.

The fixing device 200 is provided with a modular jack 226 connected to an external telephone line 328. The external telephone line 328 through the modular jack 226 is connected to the curl cord 300 and connected to the mobile fixing device 100. The power supply unit 210 supplies power to the mobile fixing device 100, receives power through an external adapter 428, and transfers the power to the handset fixing device 100 through the curl cord 300. That is, the power supply unit 210 receives the power of the external adapter 428 through the adapter jack 228. The charging unit 212 performs an operation for charging the charging battery 126 provided in the mobile fixing device 100, converts the external power applied to the power supply unit 210 into a charging power to the charging battery through the power supply line of the curl cord. Supply to 126. The charging unit is implemented by a conventional charging circuit.

The configuration of the radiotelephone according to the present invention described above is largely composed of a portable device 400, a mobile fixing device 100 and a fixing device 200. As a result, the mobile fixing device 100 operates by receiving power required for operation from the fixing device 200, and when not in use, charges the charging battery 126 provided therein through the supplied power. In addition, the mobile fixing device 100 is connected to the fixing device 200 and the curl cord 300 directly connected to an external telephone line or an external power source, so that the mobile fixing device 100 can be moved and used within the length of the curl cord 300. When the phone is separated from the mobile fixed device 100, the telephone call through the external telephone line is not performed, but the extension call can be performed through the intercom function with the portable device 400. That is, it can be used like a radio. This is possible because there is a charging battery 126 that is responsible for power supply inside the mobile fixing device 100.

On the other hand, the fixing device 200 is provided only the power supply unit 210 and the charging unit 212 therein can not perform the actual call function, but can be miniaturized and occupy the installation space is convenient for use. That is, the fixing device 200 is to perform only the transmission of the call signal through the power and an external telephone line to the mobile fixing device 100.

An example of an external perspective view of a radiotelephone implemented as described above is shown in FIG. 2, that is, FIG. 2 is a radiotelephone combined with a radio function according to an embodiment of the invention, in particular of As an external perspective view, it is composed of a mobile fixing device 100 and a fixing device 200. In addition, the two fixing devices are connected to the curl cord 300, and the fixing device 200 simply performs a power supply, a charging power supply, and a connection operation with an external telephone line. In addition, the call and the radio signal transmission and reception of the radiotelephone are performed through the mobile fixing device 100.

Referring to the embodiment of the present invention with reference to FIG. 2, the mobile fixing device 100 is detachable to the fixing device 200. In the manufacturing of the external housing structure of the mobile fixing device 100 and the external housing structure of the fixing device 200, the two fixing devices may have a structure that is detachable by a user. The fixing device 200 is provided with a mounting portion 310 of the mobile fixing device 100, and the curl cord 300 interconnects the handset fixing device 100 and the fixing device 200. The modular jack 326 to which an external telephone line is connected represents the external telephone line modular jack 226 described in FIG. 1, and the adapter jack 228 of FIG. 1 is illustrated as an adapter jack 329.

On the other hand, separate from the embodiment of the present invention shown in Figure 2, the present invention can be implemented in various forms of the external design of the fixing device 200 for fixing, according to the intention and application of the manufacturer or implementer, an example thereof As a wall, it can be implemented in a variety of shapes, such as wall hangings, triangles, circles to hang on the wall. Since the internal structure of the fixing device 200 is simply implemented, many parts are not necessary, and thus, the manufacturer can easily deform into various forms.

In conclusion, when the user wants a general telephone call, the mobile fixing device 100 and the fixing device 200 may be connected to each other through a curl cord 300, and if the user wants to use a walkie-talkie. The mobile fixing device 100 may be separated from the fixing device 200, that is, the curl cord 300 may be disconnected to perform a call using an intercom function performed between the mobile fixing device 100 and the portable device 400.

Accordingly, in performing the extension call through the mobile fixed device 200, the user carries out the extension call with the portable device 400 using the intercom function while freely carrying the user without restriction of the call space. The performance of such extension calls in accordance with the present invention will be the same as for normal radio use.

As described above, the present invention has the advantage that the fixing device of the radiotelephone can be used while being moved, so that the user can use the portable device and the fixing device in the same manner as a set of radios as needed.

In addition, according to the present invention, since the components to be seated and the components thereof can be simplified in the actual implementation of the fixing device, various types of fixing devices can be implemented according to the user's personality and the manufacturer's intention and need. Has the advantage.

Claims (3)

In the wireless telephone with the intercom function, At least one portable device; A charging unit configured to convert a power of an external adapter applied through the adapter jack into a charging power and output the charging power, and a charging power output from the charging unit, including a first modular jack connected to an external telephone line and an adapter jack connected to an external adapter; And a fixing device having a second modular jack for transmitting an external telephone line applied through the first modular jack to the outside; A wireless unit for performing a wireless signal transmission / reception operation with the portable device, a communication unit connected to an external telephone line to perform a call signal transmission / reception operation through an external telephone line, a handset configured with a speaker and a microphone, and externally supplied power A mobile fixed device having a rechargeable battery for receiving and storing power and supplying power if necessary, and connecting the call unit with an external telephone line and connecting the rechargeable battery with a charging power applied from the outside; An external telephone line applied to the fixing device and the charging power output from the charging unit may be connected to the second module jack to output the mobile fixing device to the mobile fixing device, and the external telephone line may be charged through the second modular jack. And a curling cord coupled to the third modular jack such that power is applied to the communication unit and the rechargeable battery of the mobile fixed device. The method of claim 1, The movable fixing device and the fixing fixing device, And the mobile fixing device is configured as an external housing structure detachable from the fixing device. The method of claim 1, The curl cord is a radiotelephone function combined radio telephone, characterized in that consisting of two lines, the telephone line is transmitted, the power supply line, and the ground line.