This non-provisional application claims priority under 35 U.S.C. § 119(a) on Patent Application No(s). 094200172 filed in Taiwan on Jan. 5, 2005, the entire contents of which are hereby incorporated by reference.
1. Field of Invention
The present invention relates in general to a wireless touch-control panel, and more particularly, to a wireless touch-control panel operative to wirelessly control operation of a portable information process device.
2. Related Art
The advancement in information technology has provided various types of portable information process devices such as notebook computers, flat-panel computers, and personal data assistants. The portability of these information process devices provides great convenience to the user. However, while using these portable information process devices, external input devices, such as the mouse, are often required, which causes great inconvenience in portability and assembly. Therefore, many portable information process devices, particularly the notebook computers, include a built-in touch-control panel, allowing the user to touch controlling the cursor positions and function selections.
For a notebook computer 5 as shown in
In addition, when the user connects the notebook computer to a projector for presentation or a large-screen television to watch movies, the user will not always stand next to the notebook computer 5. Therefore, a person is required to stay next to the notebook computer for turning pages while using the projector for presentation. Further, the user has to go back to the notebook computer to perform pause, fast-forward, rewind, and volume adjustment operations.
There is thus a substantial need to provide a wireless mobile touch-control panel to remotely control an information process device, such, that the physical position of the user will not be limited for performing various operations.
A wireless touch-control panel and an information process device using the wireless touch-control panel are disclosed. The wireless touch-control panel is provided to remotely control operations of the information process device. A remote control module is built in the wireless touch-control panel, such, that wireless control signals can be generated and transmitted to the information process. The information process device, preferably a portable information process device, includes a built-in wireless module for receiving the control signals, such, that the user can perform remote control operation of the information process system.
In one embodiment, the wireless touch-control comprises a touch-control panel that has a sensor plane allowing the user to touch, to generate input signals, a sensor circuit for receiving and identifying the input signals, to output a control signal, a built-in antenna to transmit the control signal, and a wireless module built in the information process device for receiving the control signal. Preferably, the built-in antenna includes a directionless antenna. The information process device may further comprise a wireless receiving module for receiving the control signal.
The wireless touch-control panel thus allows the user to control the information process device at any location within a specified range.
The present invention will become more fully understood from the detailed description given in the illustration below only, and thus does not limit the present invention, wherein:
Referring to
The portable information process device 100 includes a notebook computer, a flat-panel computer or a personal data assistant, for example. The slot 120 can be formed at a side surface of the portable information process device 100. The wireless touch-control panel 200, which is not in use, can be inserted into the slot 120. The wireless touch-control panel 200 is ejected from the slot 120 by simply pressing the touch-control panel 200 inwardly. The slot 120 can also be installed at other positions of the portable information process device 100 as desired, and various types of mechanisms can be used to release the wireless touch-control panel 200 from the slot 120. In
The portable information process device 100 includes a wireless receiving module 140 for receiving signals transmitted from the wireless touch-control panel 200. The wireless receiving module 140 is integrated into a system chip. The communication of the wireless receiving module 140 includes radio frequency (RF) waves, such as ADF7012, suitable for low-data rate transmission in a short distance. The operation frequency of ADF7012 is between 50 MHz and 1 GHz, which is suitably for use in an RF wireless remote control and sensor. This type of low-data rate wireless communication has a data rate up to 150 Kbps on an ISM band. Bluetooth wireless transmission can also be used. For example, a Bluetooth chip, such as BRF6150, operative to support adaptive frequency hopping, expands the synchronous communication and overcomes the compatibility problem of the Bluetooth system. This type of chip allows two operations to coexist at 2.45 GHz. Other communication, such as 802.11b or 802.1 μg WiFi communication protocol, typically used for long-distance communication, can also be used.
Referring to
The wireless touch-control panel 200 may further comprise a remote-control module 250, using an internal guiding track 260, allowing the remote-control module 250 to fluently slide into the wireless touch-control panel 200, and pull out for application. The remote-control module 250 includes a plurality of functional keys 251 for transmitting commands, to execute corresponding functions in the portable information process device 100. The built-in functions of the keys 251 include volume control, switch on/off, or page-down, for example. Some of the functional keys 251 may be allocated by program allowing the user to execute certain operation more quickly. The remote-control module 250 and the portable information process device use the RF microwave protocol, Bluetooth wireless protocol or wireless transmission communication protocols 802.11b and 802.11g for signal transmission. These types of communication are more flexible compared to remote control using infrared technique. The user can control operation with less orientation and distance limitation.
While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those of ordinary skill in the art that the various changes in form and detail may be made therein without departing from the spirit and scope of the present invention, as defined by the appended claims.
Number | Date | Country | Kind |
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94200172 | Jan 2005 | TW | national |