JPH065267U - Portable wireless phone - Google Patents

Abstract

(57) [Summary] [Structure] The front end of the housing has a receiver and a transmitter, respectively, and the central grip has a display window and operation buttons. At the same time, the display window is used as a television image display unit, and a changeover switch for switching between the telephone circuit and the television circuit is provided, and further, a display mechanism for displaying the incoming call state when receiving a television image is provided in the vicinity of the display window. I will do it. [Effect] By using the changeover switch, the display window is used as a television image display unit, and when a telephone signal is received while receiving the television image, the incoming state is used by the display mechanism provided in the vicinity of the display window. Reliably communicate to people.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a portable wireless telephone, and more particularly to a portable wireless telephone that can be used as a television, a radio, or the like in addition to a telephone.

[0002]

[Prior art]

 A conventional portable radio telephone has a receiver and a transmitter at the front end of a casing forming the main body of the device, and a numeric keypad or the like serving as an operation button is arranged in the central grip portion. There is also a display window such as a liquid crystal display for displaying a telephone number or the like on the upper end of the grip portion.

[0003]

[Problems to be solved by the device]

 Nowadays, with the demand for multi-functionality of various information devices, portable radio telephones are no exception to the above, and can be used not only as radio telephones but also as televisions and radios. Is desired. This allows not only to receive and transmit voice signals as a telephone, but also to receive broadcast signals from televisions, radios, etc., so that multi-faceted information can be obtained not only during general use but especially during disasters. Can be obtained.

Incidentally, the display window used in the above-mentioned conventional portable wireless telephone is generally used for confirming and storing a simple telephone number, etc. It would be convenient if the above display window could be used as a TV screen or as a radio channel display window when other functions such as a radio and a radio are attached.

Therefore, an object of the present invention is to provide a portable wireless telephone that can be used as a television receiver or the like by a simple switching operation.

[0006]

Means for Solving the Problems In order to achieve the above-mentioned object, a portable radio telephone according to the present invention has a handset and a transmitter at the front end of a housing, and a central grip portion. A television image receiving mechanism is built in a housing having a display window and operation buttons, and the display window serves as a television image display section, and a changeover switch for switching between a telephone circuit and a television circuit is provided. A display mechanism is provided near the to display the incoming call status when a television image is received.

[0007]

[Action]

 In the present invention, the display window can be used as a television image display unit by the changeover switch. Further, when a telephone signal is received during the reception of the television image, the reception state can be surely transmitted to the user by the display mechanism provided near the display window.

[0008]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an external configuration of the present invention. The portable radiotelephone according to the present invention is a multifunctional radiotelephone that can be used not only as a radiotelephone but also as a television receiver and a radio receiver.

First, in the present device, a substantially central portion of an outer casing 1 which is a main body of the device is formed as a grip portion 1a, and a reception portion 1b and a transmission portion 1c are provided at both end portions on the front side. . The outer casing 1 has a shape such that when the user holds the grip portion 1a and puts the earpiece portion 1b on the ear, the transmitter portion 1c faces the mouth. Then, the transmitting section 1c is provided with a through hole for allowing a voice to pass therethrough, and a microphone device 2 which is an acoustic-electric conversion unit serving as a transmitter is provided therein.

On the other hand, a through hole for allowing a voice to pass through is also formed on the side of the receiving section 1b, and a speaker device 3 which is an electro-acoustic conversion unit serving as a receiver is provided inside the through hole. .

Next, a display window 4 is provided in the upper part of the front side of the outer casing 1, and a display screen 5 of an image display device described later is provided. In the lower part of the display screen 5, a plurality of operation buttons such as a numeric keypad which constitutes the input device 6 for generating a predetermined signal are arranged. When the device is used as a telephone, the display screen 5 is used to identify the destination of the information signal transmitted as a radio wave, call the telephone number stored in the storage memory, display the selection operation mode, and the like. Is. When it is used as a television receiver, it serves as an image display screen, and when it is used as a radio receiver, it serves as a reception band display unit, an operation mode display unit, and also a clock display unit.

The operation buttons of the input device 6 are configured as follows as shown in FIG. First, a source selector switch 7 is provided for switching the operation mode of this device from a telephone to a television receiver or a radio receiver. There is a band selector switch 8 for switching the frequency band when functioning as a television receiver or a radio receiver.

The numeric keypad 9 generates various input signals, and the select button 10 is for determining the signal input by the numeric keypad 9. In addition, when this device is used as a telephone, a call button 11, which is a so-called automatic return type switch, which performs the same operation as lifting and lowering the handset to perform hook-off operation and hook-on operation in a so-called stationary telephone, is also provided. To be

An incoming call lamp 18 is provided near the input device 6 on the front side of the outer casing 1 as an incoming call display mechanism for notifying an incoming call.

Next, the main power switch 12 and the television radio antenna device 13 are attached to one side surface of the housing 1. The television / radio antenna device 13 can be extended in its length and can be rotated at the base end portion. A through hole is provided in the lower part of the side surface of the housing 1 for transmitting sound from the inside of the housing 1, and a television radio speaker device 14 is built in the through hole. An earphone jack 15 is provided near the speaker device 14. The earphone jack 15 is for connecting an earphone (not shown) so that a telephone voice or a voice of a television or a radio can be heard through the earphone.

A telephone antenna device 16 is projectingly provided on one side of the upper surface of the housing 1, and a volume knob 17 is attached to the other side.

The connection relationship between the drive circuits of the portable wireless telephone configured as described above is shown in FIG. First, this device has a built-in telephone transmitting / receiving circuit 20, a television receiver driving circuit 21, and a radio receiving circuit 22. The telephone transmitting / receiving circuit 20 converts an electric signal into an acoustic signal by the microphone device 2 serving as the transmitter, converts an acoustic signal into an electric signal by the speaker device 3 serving as a receiver, and further, Telephone communication is made possible by transmitting and receiving information signals as radio waves from the antenna device 16. Further, information relating to telephone transmission / reception such as a partner telephone number can be transmitted to the image display device 23 and displayed on the display screen 5.

Further, the television receiver drive circuit 21 transmits an image signal of the received television broadcast radio wave to the image display device 23 as image information and an audio signal to the speaker device 14. Further, the radio reception circuit 22 transmits an audio signal of the received radio broadcast radio wave to the speaker device 14, and also transmits information about the radio broadcast such as a reception frequency to the image display device 23.

Then, these three circuits are selectively operated by the source changeover switch 7 to selectively send a signal to the image display device 23. Further, the input information from the ten-key 9 of the input device 6 is transmitted to the circuit which is in the operating state by the switching operation of the source changeover switch 7 among the three circuits which are respectively connected.

The telephone transmission / reception circuit 20 is connected to the speaker device 3 that serves as a receiver and the microphone device 2 that serves as a transmitter, and transmits information signals sent to these receivers and information signals obtained from the transmitter to the antenna for a telephone. The data is sent to the device 16 and transmitted and received as a radio wave to and from the telephone exchange station via the antenna device 16. A memory device 24 is connected to the input device 6 and is configured to store information about the destination of the transmitted radio wave and other predetermined information signals. Then, by operating the ten-key pad 9, writing and / or reading are performed in the memory device 24. Here, the information regarding the destinations is the name or name of each destination and the telephone number thereof. Then, the information regarding the destinations can be transmitted to the image display device 23 and displayed on the display screen 5 for the confirmation of the user.

The telephone transmission / reception circuit 20 is connected to the incoming call display means 25. The incoming call display means 25 informs the user of the time of receiving a telephone call, and in this example, the incoming call lamp 18 is made to blink as described above. As the incoming call display means 25, a warning sound such as a buzzer may be emitted in addition to or in addition to the blinking of the lamp.

The incoming call display operation of the telephone transmission / reception circuit 20 by the incoming call display means 25 functions independently of the switching by the source switching switch 7 described above, and the present apparatus is used as a television receiver or a radio receiver. The incoming call signal will be displayed even if there is a call.

Next, the television receiver driving circuit 21 and the radio receiving circuit 22 are connected to a common television radio antenna device 13 so that they can receive radio wave information signals sent from a broadcasting station. There is. Then, both circuits are connected to a television radio speaker device 14 for converting a sound signal of received information into a sound, and an image display device 23 for displaying an image signal on the display screen 5 is connected. .

When the source selector switch 7 is switched to the television mode, the television receiver drive circuit 21 transmits the audio signal of the radio wave information received by the antenna device 13 to the speaker device 14. The image information is transmitted to the image display device 23. On the other hand, when the source selector switch 7 is switched to the radio mode, the radio receiving circuit 22 transmits the information received by the antenna device 13 to the speaker device 14 as an audio signal. Further, the radio reception circuit 22 transmits various reception information such as a reception frequency to the image display device 23.

A band changeover switch 8 may be interposed between the television receiver drive circuit 21 and the radio receiver circuit 22 and the source changeover switch 7. In the case of this embodiment, the band changeover switch 8 is a dual-purpose changeover switch for changing over both frequency bands of the television receiver and the radio receiver by one switch knob 8a. That is, for example, when VHF is selected as the band of the television receiver by the switch knob 8a, FM is selected as the band of the radio receiver, and when the band of the television receiver is selected as UHF, the radio receiver is selected. AM is selected for the band.

When the present apparatus is used as a telephone, the call button 11 for performing so-called hook-off operation and hook-on operation forcibly selects the telephone transmitting / receiving circuit 20 regardless of the state of the source changeover switch 7. It is what makes me. That is, when the call button 11 is first pressed, the telephone transmitting / receiving circuit 20 is forcibly put into an operating state in which telephone transmission / reception can be performed regardless of the circuit connection state of the apparatus, and at the same time, the television receiver driving circuit 21 and The radio receiving circuit 22 is deactivated. That is, the call button 11 puts the telephone transmitting / receiving circuit 20 in the so-called hook-off state, and the telephone call is possible. Therefore, at this time, if the telephone transmitting / receiving circuit 20 is in the incoming state, the telephone is directly connected to the received signal and the telephone is ready for communication.

When the call button 11 is pressed again after the call is completed, the telephone communication line is disconnected and the so-called hook-on state is set. Then, the operating state selected by the source changeover switch 7 is restored. Therefore, before the call button 11 is first pushed, when the source selector switch 7 is in the circuit selection position other than the telephone, the source selector switch 7 functions as a television receiver or a radio receiver selected by the source selector switch 7, respectively. The circuit is restored to work.

When the present apparatus configured as described above is first used as a wireless telephone, the call button 11 is pressed by switching the source selector switch 7 to the telephone mode or without switching the telephone transmitting / receiving circuit 20. And the image display device 23 are connected, and the telephone line is set to the hook-off state. Then, if the telephone number is pressed by the ten keys 9, the telephone call is started. At this time, the pressed telephone number is displayed on the display screen 5 of the operation window 4.

When the source selector switch 7 is switched to the telephone mode in advance and the telephone number stored in the memory device 24 is called and then the call button 11 is pressed to enter the hook-off state, or when the call button 11 is first pressed. When the telephone transmission / reception circuit 20 is forcibly selected and a so-called hook-off state is set, and when the telephone number is displayed on the display screen 5 by the memory device 24 from this state and the select button 10 is pressed, the call is called. It is also possible to automatically select the telephone number that has been set and start the telephone call.

When the call state is ended, the call button 11 is pushed to enter the so-called hook-on state, and the telephone line is disconnected.

Next, when the apparatus is used as a television receiver, the source switching switch 7 is switched to the television mode. Then, the television receiver drive circuit 21 starts receiving the television broadcast radio wave, transmits the audio signal to the speaker device 14, and at the same time, the television receiver drive circuit 21 sends the video signal to the image display device 23. The television image signal is sent to the image display device 23, and the television image is displayed on the display screen 5. It should be noted that the channel selection may be performed by the band changeover switch 8, the ten key 9 and the select button 10 which are the input device 6.

Next, when the apparatus is used as a radio receiver, the source selector switch 7 is switched to the radio mode. Then, the radio receiving circuit 22 starts reception of radio broadcast radio waves, transmits the audio signal to the speaker device 14, and the radio receiving circuit 22 sends a signal to the image display device 23 to receive various radio waves such as reception frequency. Information related to the above is displayed on the display screen 5. It should be noted that the channel selection may be performed by the band changeover switch 8, the ten-key 9 serving as the input device 6 and the select button 10 as in the case of the television.

Then, regardless of whether the source changeover switch 7 is in the television mode or the radio mode, the incoming call display means 25 as a telephone functions to display an incoming call to the user. When the call button 11 is pressed while confirming the incoming of the telephone signal, the telephone transmission / reception circuit 20 is switched over, and the hook-off state is set to connect the telephone line to enable telephone communication. At this time, the telephone transmitting / receiving circuit 20 and the image display device 23 are also connected, and various information at the time of using the telephone is displayed on the display screen 5.

A clock circuit 30 is connected to the image display device 23. The clock circuit 30 displays the current time on the display screen 5 at all times or when signals from the circuits 20, 21, 22 are not sent, and further according to the instruction of the input device 6. Is made possible.

[0035]

[Effect of device]

 As described above, the portable wireless telephone according to the present invention can use the image display device of the above display window as a television image display unit or the like by the changeover switch. Further, when a telephone signal is received during the reception of the television image, the incoming call state can be surely transmitted to the user by the incoming call display mechanism provided near the display window.

Therefore, the present invention can be used not only as a wireless telephone but also for other functions such as a television. Even when a function other than the telephone is used, the incoming call can be displayed and a smooth transition to the call state is possible.

[Brief description of drawings]

FIG. 1 is an external perspective view of a portable wireless telephone according to the present invention.

FIG. 2 is a circuit diagram for explaining the connection relationship of the source changeover switch of the present invention.

[Explanation of symbols]

 1 ... Outer housing 2 ... Microphone device 3 ... Telephone speaker device 4 ... Display window 5 ... Display screen 6 ... Input device 7 ... Source switch 9 ... Numeric keypad 11 ... Call button 20 ... Telephone transmitting / receiving circuit 21 ... Television receiver driving circuit 22 ... Radio receiving circuit 23 ... Image display device

Claims (1)

[Scope of utility model registration request] 1. A television image receiving mechanism is built in a housing having a receiver and a transmitter at the front end of the housing, and a display window and an operation button in the central grip portion, and the above display is provided. A portable telephone having a window as a television image display unit, a changeover switch for changing over between a telephone circuit and a television circuit, and a display mechanism for displaying a call incoming state when a television image is received in the vicinity of the display window. Wireless phone.