JPH0758814A - Portable telephone set - Google Patents

Abstract

PURPOSE:To obtain a large picture at any time anywhere and to allow the viewer to view the picture while making communication even in a small sized portable set by providing a picture projection section to a required position of a telephone set main body. CONSTITUTION:A projection section 8 is provided on a lower part of a telephone set main body 6 of a portable telephone set 5 via an angle adjustment moving section 7. A signal received by an antenna 13 is inputted to an arithmetic operation processing section 16, in which the signal is separated into an audio signal and a picture signal and an audio processing section 17 applies amplification and D/A conversion or the like to the inputted signal to output a voice from a reception section 9. A picture processing section 18 forms an image based on the inputted signal and projects a picture externally through a projection lens of an optical system provided on a bottom face of the projection section 8. When a picture is projected externally, for example, the screen may be white paper on a desk or the like. The operator views a picture in an optimum state without losing the operability of the main body 6 by properly adjusting an angle between the main body 6 and the projection section 8 at the moving section 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone, and more particularly to a small telephone such as a mobile telephone.

[0002]

2. Description of the Related Art With the progress of communication technology, digitization of communication signals of mobile phones including cordless phones has been advanced so that not only voice but also data and images can be transmitted. Therefore, the image display function is also required for the telephone which is the receiving side of data and images.

Most cordless telephones, mobile telephones, and the like in recent years are equipped with a liquid crystal display section to appropriately display numbers, characters, and the like.

As shown in FIG. 6, there is a telephone 1 in which a television receiver 2 is separately provided and the transmitted data and images are displayed on the television receiver 2. FIG. 7 shows an example in which a screen 4 having a size capable of displaying an image is provided on the telephone body 3.

[0005]

However, the liquid crystal display portion of the cordless telephone, the mobile telephone, etc. is small and is not sufficient for displaying a large amount of data and images transmitted by digital transmission. Further, the one provided with the television receiver 2 separately is not portable. Further, the screen shown in FIG. 7 has a limit in reducing the size of the screen for displaying an image, and the size of the mobile phone cannot be achieved in consideration of the condition of this image. Further, although not particularly shown, it is also considered that the display unit is provided separately from the telephone body, the telephone body is small and portable, and the telephone body and the display unit are appropriately connected to display data and images. However,
There is a problem that data and images cannot be displayed when the phone body is carried, and in both cases, it is insufficient to display data and images on small and portable phones such as cordless phones and mobile phones. It was

In view of the above situation, the present invention is to provide a mobile phone capable of displaying a large amount of data and images without impairing portability.

[0007]

SUMMARY OF THE INVENTION The present invention is characterized in that an image projection unit is provided at a required position of a telephone body.

[0008]

Since the image obtained from the transmitted data and image signal is projected to the outside, a large image can be obtained without requiring the screen of the telephone body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, the portable telephone 5 has a construction in which a projection portion 8 is provided below a telephone body 6 via an angle adjusting movable portion 7.

The telephone body 6 has an earpiece 9 and a transmitter 1.
0, an operation key unit 11 is provided, and a display unit 12 for displaying operation information, guidance information, etc. is provided. In the figure, 13 indicates a transmitting / receiving antenna.

The projection unit 8 has an optical system inside which projects an image formed by an image processing unit, which will be described later, to the outside, and the projection lens 14 of the optical system provided on the bottom surface of the projection unit 8 is provided. It is configured to project from.

Next, the receiving section 15 of the mobile phone 5 will be described with reference to FIG.

The audio and video digital signals received by the antenna 13 are input to the arithmetic processing unit 16. An audio processing unit 17 and an image processing unit 18 are connected to the arithmetic processing unit 16, the voice receiving unit 9 is connected to the audio processing unit 17, and the projection unit 8 is connected to the image processing unit 18. There is.

The audio and video digital signals input to the arithmetic processing unit 16 are subjected to necessary signal processing such as amplification and separation into an audio signal and an image signal, and the audio signal is input to the audio processing unit 17. Further, the image signal is the image processing unit 1
8 is input.

The voice processing unit 17 amplifies the input signal, performs D / A conversion, etc., and outputs voice from the receiver unit 9. Further, the image processing unit 18 forms an image based on the input signal and projects the image to the outside through the projection lens 14. The state in which the image is projected to the outside is shown in FIG. 5, but the projected screen is not particularly limited,
For example, a blank paper 19 on the desk may be used. Furthermore, by appropriately adjusting the angle between the telephone body 6 and the projection unit 8, the operator can view the image in an optimum state without impairing the operability of the telephone body 6.

Although the image is projected from the bottom surface of the telephone body 6, it may be projected from an appropriate position such as the front surface or the back surface of the telephone body 6.

[0018]

As described above, according to the present invention, even with a small portable device, a large screen can be obtained anytime and anywhere, and the screen can be viewed while talking on the phone. .

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a bottom view of the same.

FIG. 4 is a block diagram of an essential part of an embodiment of the present invention.

FIG. 5 is a perspective view showing a usage state of the embodiment.

FIG. 6 is an explanatory diagram of a conventional example.

FIG. 7 is an explanatory diagram of another conventional example.

[Explanation of symbols]

 6 Phone Main Body 7 Angle Adjustable Moving Section 8 Projecting Section 9 Receiver Section 15 Receiving Section 16 Arithmetic Processing Section 17 Voice Processing Section 18 Image Processing Section 19 Blank Paper

Claims (1)

[Claims] 1. A mobile phone characterized in that an image projection unit is provided at a required position of the phone body.