Abstract: The present invention relates to a communication system. The communication system includes a handheld communication device, a primary communication module, and a secondary communication apparatus. The primary communication module is configured for communicating with the secondary communication apparatus within a predetermined coverage area. When receiving a short message signal, the handheld communication device broadcasts a search signal. The secondary communication apparatus detects the search signal and sends a response signal to the handheld communication device according to the user's operations. The handheld communication device detects whether the response signal is received and processes accordingly. The present invention also provides a method of applying a security function for short messaging adapted for supporting the aforementioned communication system.

Abstract: A robotic device in accordance with a plurality of embodiments is provided. The robotic device generally includes a plurality of groups of sensing devices for sensing environmental events; a plurality of controllers for recognizing the environmental events and generating corresponding commands; a plurality of driving devices for driving the robotic device to respond to the environmental events under control of the commands; at least one communication line for communication between the controllers; at least one power line for transmitting power to the sensing devices, the controllers and the driving devices; a plurality of ground lines; a plurality of branches extending out from the communication line, the power line and the ground lines; and a plurality of connectors for connecting the controllers to the branches.

Abstract: A positioning measurement method is provided. The method includes the step of: capturing images of a standard object and to-be-measured objects; selecting one or more standard points from the image of the standard object; selecting a general location area and a standard area by taking each standard point as a reference point; generating a script for recording positions of each general location area and capturing a standard image in each standard area; storing the script into the data storage; determining the position of the general location area on the image of the to-be-measured object according to the position of general location area recorded in the script; and determining a measurement area, the image in the measurement area is most similar to the standard image within the general location area.

Abstract: An input device includes a power unit, a power switch unit, a processing unit, and an input unit. The power switch unit includes a first switch for supplying power to the processing unit when actuated; the input unit is connected with the processing unit and the power switch unit and is configured for generating input signals that is transmitted to the processing unit and further used for controlling the first switch; and the processing unit is configured for receiving the input signal from the input unit, keeping the first switch switched on during a time period, and performing a task corresponding to the input signal during the time period.

Abstract: A mobile communication device is provided. The device includes a non-volatile display, a storage unit, a processing unit, and a plurality of keys. The storage unit includes a temporary storage section for storing a communication history list, which records previous communication records and frequencies of communication of each of the previous communication records. The processing unit is configured for displaying a subset the previous communication records of the communication history list obtained from the temporary storage section on the non-volatile display, before the mobile communication device enters a stand-by state from a normal state, wherein the displayed previous communication records are listed in order according to associated frequencies of communication of the previous communication records.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The audio plug includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the second USB port, respectively. The plug also includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes at least two audio jacks and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. Each of the audio jacks includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the second USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the first USB port, respectively. The jack includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are isolated coupled to at least three pins of the second USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the first USB port, respectively. The jack also includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port. The plug switcher includes an audio plug and a second USB port. The audio plug is coupled to the second USB port according to a connection between the audio jack and the first USB port.

Abstract: An exemplary content scrolling system includes a display unit for displaying content, a scroll bar for scrolling the displayed content, and a processing unit for scrolling the displayed content based on a scroll input of the scroll bar. The processing unit includes a scroll amount calculating module and a content scrolling module. The scroll amount calculating module is for calculating for calculating a scroll amount mapping to the scroll input according to a particular formula. The content scrolling module is for scrolling the displayed content according to the scroll amount. Related exemplary content scrolling methods are also provided.

Abstract: The invention provided a protective apparatus for a portable device and accessories of the portable device. The protective apparatus includes a sleeve housing for accommodating the portable device, a cable retainer for coiling at least part of a cable portion of the accessory of the portable device, and a receptacle for receiving at least part of a bulky portion of the accessory of the portable device. The cable retainer is fixed on a back panel of the sleeve housing includes a cable holder for coiling the cable portion therearound, and a slidable ring movable relative to the cable holder and configured for securing the coiled cable portion in position around the cable holder. The protective apparatus has a simple design for easy manipulation and removal of the cable portion as well as the bulky portion.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the first USB port, respectively. The jack includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are isolated coupled to at least three pins of the second USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The audio plug includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the second USB port, respectively. The plug also includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the first USB port, respectively. The jack also includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port. The plug switcher includes an audio plug and a second USB port. The audio plug is coupled to the second USB port according to a connection between the audio jack and the first USB port.

Abstract: An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes at least two audio jacks and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. Each of the audio jacks includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the second USB port.

Abstract: A system for testing a reflective display device includes a testing apparatus and a computer. The testing apparatus includes one or more light emitters, one or more light detectors, an analog-to-digital converter (ADC) module, and a microcontroller unit (MCU). The light emitters are for projecting light onto a reflective display device located on the testing apparatus. The light detectors are for sensing reflected light from the reflective display device, and generating electricity according to a luminance of the reflected light. The ADC module is for receiving the electrical signals from the light detectors, and producing a digital output according to voltages of the electrical signals. The MCU is configured for reading the digital output of the ADC module. The computer is for processing the digital output and displaying results after processing.

Abstract: A capacitive touch switch and control device is provided. The capacitive touch switch and control device in one embodiment includes one or more capacitive sensor elements, one or more resistors, a capacitor, a capacitance/frequency converter, and an antenna including a positive branch and a negative branch. The positive branch and the negative branch synchronously and correspondingly receive a pair of signals from the microprocessor, the pair of signals each undergoing a 180 degree phase shift relative to the other, for shielding the noise acted on the capacitive sensor elements. When any of the capacitive sensor elements is touched, the capacitance/frequency converter outputs a frequency signal to the microprocessor, the microprocessor outputs a control signal that corresponds to the frequency signal to an electronic device to trigger corresponding operations of the electronic device.

Abstract: The present invention provides an audio signal switcher including a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the second USB port according to a connection between the audio jack and the first USB port. The plug switcher can be connected to the jack switcher by a USB cable.

Abstract: The invention provided a protective apparatus for accommodating a portable device and accessories of the portable device. The protective apparatus includes a holder for accommodating the portable device; a retractile member for allowing cable portions of the accessory to be coiled therearound; and a clasp or a receptacle for receiving bulky portions of the accessories. The protective apparatus is simple designed and convenient to wind the cable onto and unwind the cable from the protective apparatus.

Abstract: A digital photo frame with a function for displaying images according to a chosen date includes an internal memory for storing a search date and digital images; a date unit for supplying a system date; a date obtaining module for obtaining the system date from the date unit; a time frame search confirming module for confirming a time frame according to the system date and the search date; an image searching module for searching images in the internal memory or an external memory connected to the digital photo frame according to the time frame; and an image obtaining module for obtaining images according to the time frame. A method of displaying images according to a chosen date in a digital photo frame is also provided.