专利汇可以提供Information medium device with expansible function module专利检索,专利查询,专利分析的服务。并且An information medium device having an expansible function module, more particularly, an information medium device such as a USB flash disk or a MP3 player having an expansible function module such as a radio module disposed on an external lid, so that when the external lid is covered onto the USB flash disk or the MP3 player, the expanded radio function can be operated.,下面是Information medium device with expansible function module专利的具体信息内容。
The present invention relates to an information medium device having an expansible function module, more particularly to an information medium device such as a USB flash disk or a MP3 player having an expansible function module such as a radio module disposed on an external lid, so that when the external lid is covered onto the USB flash disk or the MP3 player, the expanded radio function can be operated.
A USB flash disk is a portable memory device for carrying with large quantity of data, and its size is just like the size of a thumb. Therefore, a USB flash disk is also known as a thumb disk, a palm disk, or a mini disk. At present, the capacity of a USB flash disk primarily ranges from 32 MB to 256 MB, and the features of the USB flash disk include using a USB interface which gives a fast speed of transmission and supports hot plugging, and will not be damaged easily because there is no mechanical structure of a hard disk drive, thus giving excellent shockproof, breakproof, and moistureproof capabilities.
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In view of the prior art USB flash disk 10 having the function of a MP3 player, although the USB flash disk 10 can integrate several functions into a system, yet it has a built-in radio and thus is classified as an electric appliance product in Europe but not as the original computer information product. Therefore, the custom duties are increased greatly; the selling price is raised; and the competitiveness is lowered. In addition, since both of the radio and the MP3 player functions are built into and cannot be separated from the USB flash disk 10, users are paying for the cost of the radio module even though they do not need the radio function. Furthermore, the originally purchased USB flash disk 10 cannot be expanded to accommodate the function of a digital camera, and thus has a limitation on the flexibility of its applications.
The primary objective of the present invention is to provide an information medium device having an expansible function module, which disposes a radio module onto an external lid as an expanded function in order to lower the custom duties for its export and reduce its manufacturing cost. After a person skilled in the art reads this specification, the technical advantages defined in the claims of this invention or other objectives can be fully understood.
To achieve the foregoing objectives, the information medium device with an expansible function module in accordance with the present invention, adaptable for being connected to an access device, comprises a main body of the information medium device, an external lid, and a first circuit module; wherein the main body has a plug, and the main body could be the main body of a USB flask disk having the function of a MP3 player or the main body of a USB flash disk or the main body of a MP3 player. The plug is partially exposed on an external side of the main body of the information medium device so as to connect an access device with the plug. The access device could be a computer. Further, the external lid could be either coupled with or separated from the main body of the information medium device. If the external lid is coupled with the main body of the information medium device, the plug is covered by the external lid for electrically connecting to a first circuit module disposed inside the external lid to have a first expanded function.
In this embodiment, the first circuit module includes a radio module, a digital camera module, a card reader module, a MP3 module, and a language learning machine module, etc.
If the main body of the information medium device according to this embodiment is the main body of a USB flash disk having a MP3 player function, the main body comprises a second circuit module, a first battery, a first earphone slot and a plurality of press buttons. The second circuit module and the first battery are disposed inside the main body of the USB flash disk having the MP3 player function. The first earphone slot and the plurality of press buttons are disposed on the surface of the main body of the USB flash disk having the MP3 function or on the surface of the external lid. The second circuit module is connected to a switch circuit and a second joint, and the switch circuit is electrically connected with the second joint so as to switch on the switch circuit to have the second expanded function when the external lid is coupled with the main body of the USB flash disk having the MP3 player function. On the other hand, the switch circuit is switched off when the external lid is separated from the main body of the USB flash disk having the MP3 player function.
If the main body of the information medium device according to this embodiment is the main body of a USB flash disk, then the device comprises a third circuit module, a second battery, a second earphone slot, and a plurality of press buttons. The third circuit module is disposed inside the main body of the USB flash disk; the second battery is disposed inside the external lid; the second earphone slot and the plurality of press buttons are disposed on the surface of the main body of the USB flash disk or on the surface of the external lid. The third circuit module is also connected to the abovementioned switch circuit so as to switch on the switch circuit to have the third expanded function when the external lid is coupled with the main body of the USB flash disk. If the external lid is separated from the main body of the USB flash disk, then the switch circuit is switched off.
If the main body of the information medium device according to this embodiment is the main body of a MP3 player, the device comprises a fourth circuit module, a second battery, a second earphone slot, and a plurality of press buttons. The fourth circuit module is disposed inside the main body of the MP3 player; the second battery is disposed inside the external lid; the second earphone slot and the plurality of press buttons are disposed on the surface of the main body of the MP3 player or on the surface of the external lid. The fourth circuit module is also connected to the abovementioned switch circuit so as to switch on the switch circuit to have the fourth expanded function when the external lid is coupled with the main body of the MP3 player. If the external lid is separated from the main body of the MP3 player, then the switch circuit is switched off.
In this embodiment, the second joint comprises a first voltage terminal (VBUS), a plurality of data terminals (D+,D−), a second voltage terminal (VSS) and a third voltage terminal (Shielding Ground) adjacent to each other. The first voltage terminal (VBUS) and the second voltage terminal (VSS) are an anode and a cathode, respectively, and are electrically connected to the second, third, and fourth circuit modules for supplying the required electric power. The data terminals (D+,D−) and the third voltage terminal (Shielding Ground) are also electrically connected to the second, third, and fourth circuit modules for transmitting control signals.
The fourth circuit module further comprises a FM_Power signal, a USB_Ready signal, a FM_Ready signal and a USB_Reset signal for controlling the data terminals D+ and D−, and the control procedure comprises the steps of: (1) assuming the MP3 player mode having a high FM_Power signal and a low USB_Ready signal, and the FM_Ready signal is an analog-to-digital input; (2) determining whether or not it is the radio mode; if no, then set it to the MP3 player mode; (3) setting the FM_Power signal to low if it is the radio mode; and (4) measuring the voltage of the FM_Ready signal; a high voltage indicates that the fourth circuit module is not connected to the frequency modulation module and a low voltage indicates that the fourth circuit module is connected to the frequency modulation module. Then, the USB_Ready signal is used to search for channels, and the USB_Reset signal is used for resetting the frequency modulation module.
To achieve the foregoing objectives, the present invention discloses an information medium device having a plurality of external lids, which comprises a main body of an information medium device, a first external lid, and a second external lid. The information medium device is adaptable for being connected to an access device such as a computer, and the main body of the information medium device comprises a plug, partially exposed on an external side of the main body of the information medium device, and can be connected to the access device by the plug. The main body of the information medium device could be the main body of a USB flash disk having the function of a MP3 player, the main body of a USB flash disk, or the main body of a MP3 player. The first external lid has a fifth circuit module, and the second external lid has a sixth circuit module, and the fifth or sixth circuit module could be a radio module, a digital camera module, a card reader module, a MP3 player module, or a language learning machine module, etc, and the fifth and six circuit modules are two different modules.
Further, the first and second external lids could be either coupled with or separated from the main body of the information medium device. If the first or second external lid is coupled with the main body of the information medium device, then the plug can be covered by the first external lid or the second external lid to have the fifth or sixth expanded function.
The information medium device having a plurality of external lids according to this embodiment comprises a seventh circuit module, a third battery, a third earphone slot, and a plurality of press buttons. The seventh circuit module is disposed in the main body of the information medium device; the third battery is disposed inside the main body of the information medium device, or inside the first or second external lid; the third earphone slot and the plurality of press buttons are disposed on the surface of the main body of the information medium device or on the surface of the first or second external lid. The seventh circuit module is connected to a switch circuit, so that if the first or second external lid is coupled with the main body of the information medium device, the switch circuit is switched on, and if the first or second external lid is separated from the main body of the information medium device, the switch circuit is switched off.
The present invention utilizes an external lid combined with a radio module or other module, and the external lid can be either coupled with or separated from the main body of the information medium device such that the device of the invention not only has the all-in-one function, but also reduces the cost on custom duties.
To make the examiner easier to understand the objective, structure, innovative features, and function of the invention, a preferred embodiment together with accompanying drawings are illustrated for the detailed description of the invention.
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The third circuit module 414 also has a switch circuit X. If the external lid 42 is coupled with the main body 41 of the information medium device, then the switch circuit X will be electrically connected and will have the third expanded function. At that time, the power of the second battery 422 is supplied to provide the functions of radio and USB flash disk of the main body. If the external lid 42 is separated from the main body 41 of the information medium device, then the switch circuit X will be electrically disconnected to prevent the second battery 422 from being affected by the power supply of the access device.
The second joint 2142 of this embodiment comprises a first voltage terminal 2144 (such as VBUS), a plurality of data terminals (D+,D−) 2146, 2148, a second voltage terminal 2150 (such as VSS) and a third voltage terminal 2152 (such as Shielding Ground). The first voltage terminal 2144 and the second voltage terminal 2150 are an anode and a cathode, respectively, electrically connected to the fourth circuit module 514 to supply the required electric power, and the data terminals (D+,D−) 2146, 2148 and the third voltage terminal 2152 is electrically connected to the fourth circuit module 514 for transmitting control signals.
The radio module of this embodiment comprises an FM Receive IC having the SEEK and RESET (552, 558, 560) functions, and the audio is a mono channel. The SEEK signal is used to search for channels; after the radio has searched a radio station, modulation will be made, and the audio signal is transmit to the MP3 player terminal for the output. If another SEEK signal is transmitted, then the IC will automatically search for the next channel with a higher frequency. After the last radio station is searched, the RESET signal 560 is used to start searching radio stations again.
In this embodiment, the fifth circuit module 622 or the sixth circuit module 632 could be a radio module, a digital camera module, a card reader module, or a language learning machine module, etc. It is noteworthy that the fifth circuit module 622 and the sixth circuit module 632 are two modules with different expanded functions, so that the information medium device 60 having a plurality of external lids according to the present invention just needs to change to a different first external lid 62 or second external lid 63 to have a different fifth or sixth expanded function.
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In the descriptions of the foregoing embodiments, the circuit modules with different functions are disposed on the external lids and coupled with the main body of the information medium device to have different functions for the information medium device. However, the descriptions above are examples only, and are not intended for limiting usages of the external lid in this invention, and any person skilled in the art can use any other configurations for the external lid of this invention. Similarly, the main body of the information medium device of this embodiment could have a speaker assembly in addition to an earphone slot.
In summation of the above descriptions, the information medium device and the information medium device with a plurality of external lids according to the present invention at least have the following advantages:
While the preferred embodiment of the invention has been set forth for the purpose of disclosure, modifications of the disclosed embodiment of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
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