Abstract:
The tablet computer transformer includes an external extension display. An extension interface is coupled to the extension display; an extension display is coupled to the control unit through the extension interface for displaying video or image from the portable communication device. It has to be noted that the portable communication device is a separated device from the external extension display when the portable communication device disconnects from the external extension display and is transformed into a tablet or pad computer when the portable communication device connects to the external extension display. The command, instruction and signal transfer are made through the extension interface. The displayed video or image is processed by the portable communication device and is displayed by the external extension display, thereby transforming the portable communication device to the tablet or pad computer after the cellular is integrated into the tablet computer transformer.

Description:
[0001]    The application is a continue-in part application of Ser. No. 12/852,468, filed on 7 Aug. 2010, entitled “Portable Communication Device Having an Extension Display”. 
     
    
     FIELD OF THE INVENTION 
       [0002]    The present invention generally relates to a tablet personal computer transformer, and especially to a tablet computer transformer for a portable communication device to transform the portable communication device to a table computer. 
       DESCRIPTION OF THE PRIOR ART 
       [0003]    Because of the development of the information technology (IT), the information could be exchanged with higher capacity and faster speed. Internet is designed as an open structure to exchange information freely without restriction. The third generation mobile phone standard allows the user access video communication through air. Thus, certain communication service requiring real time information exchange, such as viewing live video, has become feasible through mobile phone communication network or Internet. Cellular communications systems typically include multiple base stations for communicating with mobile stations in various geographical transmission areas. Each base station provides an interface between the mobile station and a telecommunications network. Mobile telephone systems are in use or being developed in which the geographic coverage area of the system is divided into smaller separate cells, it communicates with the network via a fixed station located in the cell. Mobile telephones belonging to the system are free to travel from one cell to another. When a subscriber within the same system or within an external system wishes to call a mobile subscriber within this system, the network must have information on the actual location of the mobile telephone. In pace with the development of information and computer technology, the electronic products grow rapidly with the trend of small size, multifunction and high operation speed. Based on the development of cellular integration technology, communication systems have also been introduced to allow users obtain information more convenient. Thus, the business accompanied with the communication device flourish as well due to the development of the communication technology. The internet and communication service providers also offer business services to assist clients to transfer information or extend the market. The cellular manufactures have to release new models with different appearances, function and styles more frequently so as to attract the attention of the buyer and occupy a favorable marketing share. Communication services providers or information services providers also have to provide diverse, comprehensive and latest information to clients. However, signals received by the communication module are presented on the display after processed. The display of the conventional portable device is too small to browse the webpage or video image, the present invention is introduced to overcome aforementioned difficulties. 
       SUMMARY OF THE INVENTION 
       [0004]    The main purpose of the present invention is to provide a wireless communication device with a built-in or an external extension display to browse webpage or image information. 
         [0005]    It is an object of the present invention to provide a tablet personal computer transformer. 
         [0006]    The present invention discloses a portable communication device with an extension display including a control unit; a main display is coupled to the control unit for displaying dial information to facilitate communication; an extension display is coupled to the control unit, area of the extension display is greater than area of the main display, so as to display at least one part of webpage or image information. The portable communication device further comprises a detecting module coupled to the control unit to facilitate the detection of the signal of webpage or image information. A switch device is coupled to the control unit to transfer the webpage or image information to the extension display. 
         [0007]    The extension display includes LCD (Liquid Crystal Display) or OLED (Organic Light Emitting Diode) display. Regarding a built-in extension display, it further comprises a storage device to store the extension display; in other example, it further comprises an extension interface to couple to the extension display. The aforementioned extension display comprises a touch display. 
         [0008]    The tablet computer transformer includes an external extension display. An extension interface is coupled to the extension display; an extension display is coupled to the control unit through the extension interface for displaying video or image from the portable communication device, the display area of the extension display is greater than the area of the main display of the portable communication device. It has to be noted that the portable communication device is a separated device from the external extension display when the portable communication device disconnects from the external extension display and is transformed into a tablet or pad computer when the portable communication device connects to the external extension display. The command, instruction and signal transfer are made through the extension interface. The displayed video or image is processed by the portable communication device and is displayed by the external extension display, thereby transforming the portable communication device to the tablet or pad computer after the cellular is integrated into the tablet computer transformer. The external extension display includes touch screen and a detecting module coupled to the control unit to facilitate the function of detection. 
         [0009]    The tablet computer transformer further comprises a switch device coupled to the control unit to transfer the video or image to the external extension display. The external extension display may include a receiving slot or cavity formed on the back side of the tablet computer transformer having extension display to receive the portable communication device into the tablet computer transformer. A backup power is provided for recharging the portable communication device or a peripheral device; a backup memory is provided as well in the tablet computer transformer to expend the storage space for the portable communication device or a peripheral device. The tablet computer transformer further comprises a processor which may perform its function accompany with the process of the cellular to upgrade the performance of the portable communication device. The tablet computer transformer further comprises an image capturing device. A recharging/charging interface is also provided in the tablet computer transformer for charging the portable communication device or a peripheral device. 
         [0010]    The present invention discloses a tablet computer transformer system, comprises a portable communication device having a main display, at least one wireless communication module is coupled to a network to receive internet data including webpage, a memory to store image or video; and an external extension display is provided for the portable communication device. The tablet computer transformer comprises a receiving cavity to receive the portable communication device and a control unit. An extension interface is set in the receiving cavity and coupled to the control unit; the extension display is coupled to the portable communication device through the extension interface for displaying the video or the image sent from the portable communication device, or displaying the received internet data; wherein display area of the extension display is greater than area of the main display of the portable communication device, the portable communication device is separated device from the external extension display when the portable communication device disconnects from the tablet computer transformer and is transformed into a tablet computer when the portable communication device connects to the external extension display; wherein the displayed video or image is processed by and send from the portable communication device or the control unit and it is displayed by the extension display, thereby transforming the portable communication device to the tablet or pad computer. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0011]      FIG. 1  shows the function diagram of the present invention. 
           [0012]      FIG. 2  shows the system of the present invention. 
           [0013]      FIG. 3  shows the storage device of the present invention. 
           [0014]      FIG. 4  shows the function diagram of the present invention. 
           [0015]      FIG. 5  shows the function diagram of the present invention. 
           [0016]      FIG. 6  shows the function diagram of the present invention. 
           [0017]      FIG. 7  shows the function diagram of the present invention. 
           [0018]      FIG. 8  shows the function diagram of the present invention. 
       
    
    
     DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0019]    The present invention can be applied to a wireless communication device, which includes, but is not limited to, a cell phone, a PDA (personal digital assistant), or a GPS (global positioning system). In general wireless communication systems, communication network service providers from different systems or regions use various communication protocols or two-way pager communication protocol, however, the present invention is not limited to any kinds of protocols. The present invention discloses a Tablet PC (personal computer) transformer, it refers to a computer shaped in the form of a notebook or a slate with the capabilities of being written on through the use of digitizing tablet technology or a touch screen. 
         [0020]    Referring to  FIG. 1 , it shows a functional diagram of the wireless communication device of the present invention. For simplifying the specification, an embodiment is introduced hereinafter as an explanation, however, it&#39;s not used to limit the present invention, namely, the present invention can be modified to facilitate to use other different kinds of communication systems or protocols without departing from the spirit and scope of the present invention. For example, a single chip system can be introduced to integrate the chips or processors hereinafter. The portable communication device includes a control unit  100 , such as a CPU, which is introduced to process or control the commands, information, data, and computing of the device. Memory  105 , for example, ROM (read only memory), non-volatile memory such as flash memory and/or RAM (random access memory) is coupled to the control unit  100 . Generally, permanent data is stored in the ROM, and the system operation program or application programs such as driver can generally be stored in the non-volatile memory which can still retain the data stored in when power supply is unavailable and can be read or wrote repeatedly when power supply is available. The system operation program and application programs stored in the non-volatile memory control the execution of all necessary functions and can be presented on the main display  115  through the user interface  110  after processed by the CPU or the control unit. An input unit  170  is coupled to the control unit  100  to facilitate users to key in commands or data. The main display  115  is a screen of a general portable communication device, such as LCD or OLED display. 
         [0021]    The antenna system  120  may be a multi-band antenna or composed by a plurality of antennas, according to demands. Aforementioned antenna may be dipole antenna, plane antenna, inverted-F Antenna, fractal antenna, etc. The antenna system  120  coupled to a wireless communication module  100 A is introduced to receive signals, and the wireless communication module  100 A which is suitable for transferring information in movement may generally include: converting signals to IF (intermediate frequency) through oscillator signals of mixing region of a receiver. The converted signals are modified to a bandwidth that the protocol predetermined by a transmitter, and transmitted by the antenna system. A modem is coupled to aforementioned receiver and transmitter to modulate or de-modulate signals. Aforementioned protocol can be an audio/video wireless communication protocol, which may includes, but is not limited to, International Telecommunications Unit (ITU): 3G, 3.5G, 4G, W-CDMA, CDMA2000, CDMA2001, TD-CDMA/TD-SCDMA, UWC-136, DECT. A base band processor  145  which may process the signals with predetermined bandwidth and aforementioned communication protocols is coupled to the modem of aforementioned wireless communication module  100 A. A second wireless communication module  100 B may be introduced, which may includes, but is not limited to, WiFi, Wimax, or 802.11 (a, b, g, n), and the second communication module  100 B can exist individually or together with the wireless communication module  100 A. Signals processed by the base band processor include control signals and audio signals, the control signals are transmitted to the control unit  100  and the audio signals are transmitted to a CODEC  150 ; a voice converter  155  is coupled to the CODEC  150  to convert the digital signals to analog signals or convert analog signals to digital signals. A microphone  160  and a speaker  165  are coupled to aforementioned voice converter  155  respectively. A SIM card connector (not shown in the figure) is introduced to facilitate a SIM card of the system to be inserted. The SIM card can be connected to the control unit  100  through the SIM card connector such that information and password stored in the SIM card can be accessed by the control unit  100 . Besides, the present invention may also include a digital image capture module  200  connected to the control unit  100  to capture images, which may be a CMOS image sensor or CCD array. 
         [0022]    Main display of conventional portable communication device is too small to display the webpage, such that the user has to move the webpage continuously, it is inconvenient to the user. The present invention includes a detecting unit  104  which may detect whether internet is connected or not. If an internet package or signal is detected or the browser is activated, the control unit activates a switch device  102  and transfer internet signal or all or part of the information to the extension display  185  to drive the extension display  185  to display all or part of the information, whereby facilitating to display the webpage information. Display area of aforementioned extension display  185  is greater than the one of the main display, and the user can determine whether the display is switched or not. In the case, the cellular  10  may drive the main display and the extension display at the same time. In the type of built-in extension display, it may comprise a receiving device  188  to receive the extension display  185 . Take a flexible display as an example, such as OLED display, it can be rolled and received in a storage space, and can be drawn back to spread out the display. Aforementioned OLED (Organic Light-Emitting Diode) is also called OLED (Organic Electroluminesence Display). Advantages of OLED include luminescence, wide view angle, high contrast, low power consumption, high response speed, full color, simplified manufacturing process, etc. The species of OLED display comprise single-color type, multi-color type, and full-color type, etc. OLED displays can be classified as PMOLED (passive matrix OLED) and AMOLED (active matrix OLED) according to the differences of driven means. PLED (polymer light emitting diode) may also be introduced. Folding mechanism can be introduced to the present invention to facilitate the object of the present invention, and the receiving device  188  is a folding device at this embodiment. When the detecting unit  104  detects that the folding device is under operation, then the internet signals or all or part of information is transferred to the extension display  185  for extension display. The flexible display  300  can be fixed after it is extended. The flexible display  300  may be flexible OLED rolled around the reel  305 . For receiving the flexible display, just release it after pulling hard, and then it will be rolled up. Generally, the reel  305  includes a spring  310  rolled around a central fixed stick  306  which is configured in the reel  305 . Tighten the flexible display  300  which is spread out, and then a locking mechanism  315 , such as ratchet  315  and detent  315   a , can be introduced to prevent the spring  310  from being loosen when the flexible display  300  is extended. But, the ratchet  315  will not clamp when the flexible display  300  is pulled suddenly, thereby loosening the spring  310 , such that the flexible display  300  will be rolled up. 
         [0023]    In another embodiment, an external extension interface  186  is introduced, please refer to  FIG. 2 . When the detecting unit  104  detects an external signal, it transfers a switching signal to the switch device  102 , so as to transfer the internet data or signals or at least part of information to the external extension display  185  to drive the display  185  to display the image or video. Aforementioned “switching” can be achieved manually or automatically by the software. Aforementioned detecting unit  104  which can be a single circuit or an integrated circuit may obtain parameters directly or indirectly. Messages received by the communication device of the present invention can transfer all or part of webpage information manually or automatically to the extension display  185  by the switch device  102  to browse the webpage. 
         [0024]    Other embodiments are similar to aforementioned embodiments, and the difference is described as follows. When the detecting unit  104  detects video or dynamic, still image signals, such as video format, photo format, digital TV signals or MPEG signals, the control unit  100  activates the switch device  102  to switch video signals to the extension display  185 . For example, a commercialized processor which can process and decode the compressed MPEG file may be introduced, such as a media player chip having H.264 codec engine. For example, the processing chip is composed by a CPU core, a media engine, a graphics processor, and a virtual mobile engine (VME). The CPU core is based on the design of R4000 of MIPS, and comprises a floating point processor (FPU) and a vector floating point processor (VFPU), such that the ability of floating point computing can reach more than 2.6 GFlops per second; the media engine can use R4000 which is an identical one used in the CPU core, and includes an independent embedded 2 MB memory to assist the system to process audio/video stream. Thus, an embedded memory which can control the process of processing information by programming is introduced to adapt to the vector process unit including H.264 decompression, and various process demands such as audio process. And the utilization rate of the process unit may be improved by design of altering information process dynamically, thereby simplifying design of the chip and reducing lost of power. Software can also be introduced to decode or process. 
         [0025]    Please refer to  FIG. 4 , it shows another example of the tablet computer transformer  2000  having extension display (EE display)  185  according to the present invention. A control unit  402  is provided in tablet computer transformer  2000  and the portable communication device  10  may be, for example, a cellular, media player, digital camera or digital video camera. The tablet computer transformer  2000  having extension display  185  and the portable communication device  10  are connected through the extension interface  186 A set side or back of the tablet computer transformer. The cellular includes the driver to drive the external extension display. The driver or application may be in the external extension display  185 . A backup, power (or extension power)  400  is electrically coupled to the control unit  402  to provide power by the tablet computer transformer  2000  or it may recharge to the portable communication device  10  or the peripheral device, thereby extension the operation duration of the portable communication device  10  or the peripheral device. It includes a charging interface  410  for recharging the external extension display  185  or tablet computer transformer  2000  from outside power or to recharge the portable communication device  10  or the peripheral device by the tablet computer transformer  2000 . An image capturing device, such as CMOS or CCD sensor  408  and extension speakers  406  are also respectively and electrically coupled to the control unit  402  or/and the extension interface  186 A in order to transmit the image captured by the image capturing device  408  to the remote terminal by the portable communication device  10 , or output the video signal and/or the audio signal download by the portable communication device  10  to the display  185  and the speaker  406  via the extension interface  186 A, thereby transforming the cellular to tablet computer. Extension memory  404  is electrically coupled to the control unit  402  or/and the extension interface  186 A to act as extension memory or backup memory for the portable communication device  10 . It may be a plug-in memory card or flash memory card. The external extension display  185  includes a touch screen for input instruction by human fingers touch, thereby controlling the external extension display  185  or the portable communication device  10 . The touch input technologies includes resistance type, capacitance type, extra sonic type, and optical type. The present invention may relay the image or video signal to the EE display  185  to transform the cellular to tablet personal computer and extend the operation duration or memory storage for the cellular, digital image capturing device or media player.  FIG. 5  shows that the external extension display  185  includes a portable communication device receiving slot or cavity  414  set in the tablet computer transformer  2000  to receive the portable communication device  10  into the external extension display  185  to integrate the tablet computer transformer  2000  and the cellular  10  by the extension interface  186 A. In the case, the extension interface  186 A is set in the receiving slot or cavity  414  to allow the almost entire portable communication device  10  may be inserted into the receiving slot or cavity  414  for integrating with the tablet computer transformer  2000 . In a preferred embodiment, the receiving slot or cavity  414  is set on the back side surface of the tablet computer transformer  2000  as shown in  FIGS. 5 and 7 . 
         [0026]    The other examples are illustrated in  FIGS. 6 and 7 , the examples include all or part of the elements in the embodiment as aforementioned. It further includes extension processor  412  coupled to the control unit  402 , extension interface  186 A to upgrade the device  10  to dual core processor to improve the performance.  FIG. 8  shows the scheme including the control unit and the extension processor  412 . The extension processor  412  includes processor  810  which is coupled with a first catch  820  and a second catch  830  and they are respectively. A cross processor interface  840  is electrically coupled to the first catch  820  and the second catch  830 . A Memory controller  850  and a data transmission interface  860  are coupled to the cross processor interface  840  to determine the data output and input to/from the control unit  100  and the processor  810 . The present invention discloses a tablet computer transformer system to transform the cellular, media player into a tablet personal computer. The data may be processed by the cellular, media player or the extension display. The image, video or internet data are transferred from the cellular, media player to the external extension display to allow the user may browse the webpage and watch the video by the external extension display having larger display area. In another case, the second wireless communication module  100 B may be coupled to the extension interface  186 A to achieve wireless transmission. Under the case, the extension interface  186 A fulfills the requirement of the wireless transmission protocol and specification. 
         [0027]    Aforementioned units and modules can be combined arbitrarily according to demands. As will be understood by persons skilled in the art, the foregoing preferred embodiment of the present invention is illustrative of the present invention rather than limiting the present invention. Having described the invention in connection with a preferred embodiment, modification will now suggest itself to those skilled in the art. Thus, the invention is not to be limited to this embodiment, but rather the invention is intended to cover various modifications and similar arrangements included within the spirit and scope of the appended claims, the scope of which should be accorded the broadest interpretation so as to encompass all such modifications and similar structures. While the preferred embodiment of the invention has been illustrated and described, it will be appreciated that various changes can be made therein without departing from the spirit and scope of the invention.