BACKGROUND ART Generally, a public telephone contains throughout its main frame a handset, a handset holder, a coin and/or card insertion slot, a coin exchange slot, an amount indicator, and a dial keypad plus special function buttons (herein referred to as'key buttons'). Despite the simplicity of the functions of current telephones compared to its size (card-type telephones dimension generally being W x H x D = 300X450x240mm), the fact that the various elements are scattered throughout the main frame causes current telephones to occupy a large amount of space to serve its purpose. Therefore, the space occupied by current telephones ultimately is a waste in terms of efficient space utilization.

Nowadays, there is a lot of publications each kind of leaflet or informative paper (we call it prints downward). These provide a person with useful informations keeping in step with society of information. These are arrange in the stand on the road can pick-up. The stand has problem like that can destroy a beauty of city and can have a burglary of damage because it is located on the road. lt is not distributed enough on account of cost that is established. The prints in the stand have problems that is blow of for winds and is wet for snows or rains.

Meanwhile, due to the fact that a large number of persons use public

telephones, and that users would be observing the telephone for long durations while making a call, and that public telephones are usually located in areas where a large number of people pass through and thereby easily attract the attention of passersby, the public telephone is in itself an excellent medium for advertisement. Previous attempts of using public telephones for advertisement usually were to place a small ad sticker on the corners or other open areas of the main frame of the telephone.

However, the effectiveness of such advertisement methods were usually poor and also were prone to receive resentment for degrading the appearance of public facilities.

And, If we can connect an lnternet by public phone, we can communicate easily everywhere without expensive equipment.

SUMMARY OF THE INVENTION The present invention is disclosed to solve the aforementioned problems and it is an object of the present invention to provide a public telephone which in addition to providing the functions of current telephones, provides a display area where advertisements and/or public information messages may be displayed.

It is another object of present invention to provide a public phone having a box of keeping which can arrange prints like leaflets, informative papers.

It is still another object of present invention to provide a public phone can contact with network of computer like an lnternet.

In order to achieve the above-objects, the present invention provides a public telephone comprising: a telephone part consisting of a main frame, a handset, a coin and/or card insertion slot, an amount indicator, a coin return slot, and a key button section; and a display part consisting of a display item for advertisements and/or public information messages, and a display area on the main frame to contain the display item.

The present invention is characterized by having the display area and having the telephone part located on the area other than the display area of the main frame.

The display items may be advertisements and/or public information messages of arbitrary board material, and are either glued to the display area or applied so as to allow installation and removal. Additionally, the display items may also be made to be displayed with a light box (allowing lighting of the displayed item) and would be installed as to allow removal.

Furthermore, the present invention has a main frame divided into two parts, one is for a telephone part, the other is for a box of keeping which can arrange prints like leaflets, informative papers.

Furthermore, the present invention provides a public phone having a box of keeping which can arrange prints like leaflets, informative papers.

Furthermore, the present provides a public phone comprising a handset, a coin or card insertion slot, an amount indicator, a coin return slot, and a key button section including a telephone part, and a display part for showing the messages, the display part is characterized by having a picture reproducing part and LCD which indicate a signal of playing on the board from a machinery of playing.

The display part includes a sensor which sense a playing to the last or a picture reproducing part doesn't work now, a memory part which is remembered advertisements in advance to work during the period of fixing when it is in the state of hindrance or rewinding, a converting switch which provides an output signal of the picture reproducing part or an output signal of the memory part selectively by the memory part. Video tape or Laser disc (LD or CD) is used for recording medium.

The memory part is characterized by semiconductor memory part and the picture reproducing part, the picture reproducing part is in the mainframe of phone and LCD panel is exposed out of the main frame.

The present invention provides a public phone comprising a main frame of telephone; a telephone part including a handset, a coin or card insertion slot, an mount indicator, a coin return slot, and a key button section; a computer communication part, a function selecting part to select whether function of telephone or function of computer communication, a converting part to work telephone or computer communication according to selection, a computer part which charge communications, a LCD panel to display a message in the computer part, a keyboard to input a letter in the computer part. It further includes a disk driver to input or output a file in computer part additionally.

The keyboard is internal part but it is exposed when it is selected a function of communication.

BRIEF DESCRIPTION OF DRAWINGS Fig. 1 a is a perspective view showing a first embodiment of the present invention..

Fig. Ib is a perspective view showing the first embodiment of the present invention with a display item attached.

Fig. 2a is a perspective view showing a second embodiment of the present invention.

Fig. 2b is a persepective view showing a lighting case based on the second embodiment of the present invention.

Fig. 3a is a persepective view showing a third embodiment of the present invention.

Fig. 3b is a persepective viewe showing a lighting case based on the third embodiment of the present invention.

Fig. 4 is a persepective view showing a fourth embodiment of the present invention.

Fig. 5a is a persepective view showing a fifth embodiment of the present invention.

Fig. 5b is a block diagram showing the fifth embodiment of the present invention.

Fig. 6a is a persepective view showing a sixth embodiment of the present invention.

Fig. 6b is a block diagram showing the sixth embodiment of the present invention.

DISCLOSURE OF INVENTION By referring to drawings the desirable operational embodiment of the present invention will now be explained.

Fig. la is a perspective view showing the first embodiment of the present invention. According to Fig. la, the public telephone includes a handset 11 located on the left portion of a main frame 10, a telephone part 12 consisting of a coin and/or card insertion slot, an amount indicator, a coin return slot, and key buttons integrated and lined up on the left portion of the main frame, allowing the rest of the area available to be used as a display area 13. Advertisements and/or public information messages may be integrated entirely on the display area 13 or a display board 15 with a separate message may be adhered (refer to Fig. lb).

Fig. 2a is a persepective view showing the second embodiment of the present invention and shows a modification in the display area compared to Fig. la. As in the first embodiment, the second embodiment has the handset 11 located on the left portion of the main frame 10, the telephone part 12 consisting of the coin and/or card insertion slot, the amount indicator, the coin return slot, and the key buttons integrated and lined up on the left portion of the main frame, the display area 13 is located on the other portion of the main frame, whole a pair of L-type slide rails 14a, 14b are located on the upper and lower edges of the display area 13. A display board is 15 inserted horizontally to realize the present invention.

Fig. 2b shows a light box 16 with internal lighting which may be inserted in

place of the display board 15. The light box 16 has a display effect superior to board advertisements, and allows for the internal installation of neon signs, fluorescent lamps, and other lightings. It can be also established LCD (Liquid Crystal Display), puts a colorful advertisements or messages using other facilities like VTR. The light box may be inserted and removed as required by being designed to have a groove on its upper and lower sides (refer to Fig. 2b-16) with the same width as those of the folded areas of the side rails. The light box may be installed to increase the display effect when required, and when removed, display boards may be installed in its place.

For the purpose of installing the light box 16 on the display area 13 the main frame 10 should include an on/off switch for the light box 16.

The manufacturing of the light box 16 may easily be done by the respective manufacturer of the respective field of business with relative ease, and the electrical connections required to install the light box 16 on to the public telephone of the present invention may be done with current technologies of the respective field.

Although the slide rails are installed on to the display area 13 for the embodiment, any other method to ensure the sturdy installation and easy removal of display boards or light boxes may be used. The manufacturing of the light box may easily be done by the respective manufacturer of the respective field of business with relative ease, and the electrical connections required to install the light box on to the public telephone of the present invention may be done with current technologies of the respective field.

Fig. 3a shows the third embodiment of the present invention and shows a modification in the insertion of the display item as compared to the second embodiment with reference to Fig. 2a. As with the first and the second, the third embodiment includes the handset 11 located on the left portion of the main frame 10, the telephone part 12 consisting of a coin and/or card insertion slot, amount indicator, coin return slot, and key buttons integrated and lined up on the left portion of the main

frame. However, a pair of L-type slide rails 17a, 17b are located on the left and right edges of the display area 13, and another L-type slide rail is located on the bottom edge of the display area. A display board may be inserted vertically to realize the present invention.

The third embodiment also allows for the insertion of a light box 18 with internal lighting in place of a display board 15 as seen in Fig. 3b. The light box 18 has a groove on its left and right sides (refer to Fig. 3b-18) with the same width as those of the folded areas of the left and right side rails. The main frame 10 should include an on/off switch for the light box.

Although a limited number of embodiments are described, the present invention may be realized in other forms and methods as well. Therefore, the Patent Application concept and scope included in this document is not limited to the application to the examples described above.

According to Fig. 4, the fourth embodiment shows the handset 11 located on the left portion of the man frame 10, the telephone part 12 consisting of a coin or card insertion amount indicator, coin return slot, and key buttons integrated and lined up on the left portion of the main frame, allowing the rest of the area available to be used as a box of keeping 19. This box of keeping 19 can arrange prints like leaflets or informative papers. The box of keeping 19 can be attached on the telephone by a screw or a rivet and can be made one body with telephone. This may be done with current technologies of the respective field.

Figs. 5a and 5b are concerning about establishment of LCD on the displaying part of the first, second, third embodiments. Fig. 5a shows the outer construction, establishment of a LCD 21 display play part and a picture reproducing part 23.

VTR/LD/LDP is used for the picture reproducing part 23.

Fig. 5b is a block diagram and is composed of the picture reproducing part 31 to reproduce advertising film with VTR/LD/CD, a memory part 33 which is remembered film in advance to work during the period of fixing when it is in the state of hindrance or rewinding, a LCD 39 which indicate selectively a signal reproducing from the picture reproducing part 31 or a signal from a memory part 33, a sensor 35 which senses a reproducing of VTR/LD to the end, a converting switch 39 which provides an output signal of the picture reproducing part 31 or an output signal of the memory part 33 with LCD 39 selectively.

The picture reproducing part 31 is a general VTR or LDP. But, it is desirable that exclusive unnecessary functions (for example, recording, caption, fast forward, etc) to cut down cost. And it is desirable that picture reproducing part 31 and the operational part therein is internal, don't let common people to use. lt is desirable that the operational part includes an on/off switch of LCD 39, because it is attached a displaying panel on the LCD that is in off. The Memory part 33 is for outputting an advertising only when the picture reproducing part 31 doesn't be played.

This can be remembered by the semiconductor of playing memory or the second picture reproducing part. The sensor 35 serves to let to work the memory part 33 when it is rewinding Video Tape/Laser Disk, a disk driver 53 which can send a message in the diskette.

The converting switch 37 provides selectively an output signal of the picture reproducing part 31 or an output signal of the memory part 33 to LCD 39 in accordance to the signal of the sensor 35. It is preferable that a relay is used for turning on or turning off according to the output signal of the sensor 35.

Figs. 6a and 6b show a public telephone of a sixth embodiment. According to Figs 6a and 6b the public telephone may be connected to the internet and several kinds of networks because a computer for communicating is in the telephone.

Fig. 6a is an outer view of the public telephone. A LCD board 25, a key board 26, a function selecting switch 28 and a disk driver are disposed on the place where the display area is disposed in the first, the second and the third embodiments.

The public telephone according to the sixth embodiment includes a telephone part 45 and a computer communication part 46 for communicating by the computer.

Furthermore, the public telephone includes a function selecting part 41, a converting part 43 for selecting the telephone part 45 or the computer communication part 46.

The computer communication part 46 is similar to the general computer in its construction.

As shown in Fig. 6b, the computer communicaton part 46 includes a computer part 47, a key board 49 for inputting a letter, a LCD 51 for displaying the output signal from the computer part 47 and a disk driver 53 for transmitting the information stored in the diskette.

The function selecting part 41 can use a voice transmitting system what function you choose automatically when pick the handset up can use LCD 51 what function you choose. This can fulfill using by program in computer 47, this may be done with current technologies of the respective field. User choose a function with converting part 43 according to the message from the fuction selecting part 41. The converting part 43 is used by the switch of the function selecting part 28 on Fig. 6a.

It is desirable that relay is used because it can control the telephone part 45 and the computer communication part 40 to a low voltage. It is effective that SSR be used rather than PCR because it can be reduced a surge. It is desirable that part of computer communication 47 have compositions of computer communication, but it is programed of calculating fare and message which alarm the pass time corresponding

inserted coin. The present invention shows a disk driver 53 which send a file using the public phone. The disk driver 53 can upload or down load a file when the user insert a diskette to a disk driver.

It is desirable that keyboard 49 dispense when it is selected function of computer communication it is internal at usual time. The keyboard locking system can be released by the signal of emission in the converting part 43, or can be used by the people who pull a keyboard like a drawer. The keyboard locking system can be worked by the solenoid or clutch that is worked by an electric signal automatically, this may be done with current technologies of the respective field.

Although the present invention is described with a few operational example, but another kind of way can be worked. For example, It can be composed of computer communication and advertising, indicate an advertising film on the LCD at usual time.

Computer communication on the LCD when it is selected for computer communication.

INDUSTRIAL APPLICABILITY As the foregoing description, a public telephone of the present invention with its display features in addition to current telephone features will increase the space utilization efficiency of the public telephone. In other words, through the installation of the public telephone of the present invention in public areas a more effective means of public announcement and information may be offered, while installation in private companies and recreational facilities will offer a more effective means for company advertisements and promotional ads to be displayed.

The advertisements on the public telephone of the present invention will also attract the attention of the users and waiting persons more effectively than those displayed elsewhere, thereby having a more profound effect compared to other

advertisements.

In addition the public telephone of the present invention will in itself have a decorative effect, improving the image and beauty of the surroundings, the office, and the city. The public telephone having a box of keeping to put the prints can get rid of damage from paper stand and can distribute leaflets widely. And the public telephone contracting a network of computer communication like an lnternet let us to use an Internet anywhere easily.