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| 20090097032 | SURFACE PLASMON RESONANCE DETECTING APPARATUS AND METHOD THEREOF - A surface plasmon resonance (SPR) detecting apparatus which controls the flow of fluid without using an additional pressure difference or pump is provided. The SPR detecting apparatus includes a detection chip, a fluid driving chip and an optical device. The fluid driving chip has a plurality of electrodes disposed on the flow space of the fluid. The angle between the liquid and a contact surface is changed by electrifying the electrodes, and the electrodes are turned on and turned off sequentially such that the droplets are controlled to move. The optical device is used to detect surface plasmon resonance phenomenon and to determine the interaction of the droplets and the detecting chip. | 04-16-2009 |
| 20100253947 | OPTICAL INSPECTION APPARATUS - An optical inspection apparatus capable of adjusting an incident angle of a detected light beam and adjusting a detecting angle for detecting the detected light beam. A driving mechanism is used to actuate two arms having a light source and a detector disposed thereon respectively to conduct a relative movement between the two arms so as to control the incident angle and the detecting angle. By means of the embodiments, mechanism for adjusting the angle is simplified so that the apparatus is capable of being adapted to combine with the application of micro sensors such that practicality of modularization design and microminiaturization and convenience of operation are capable of being greatly improved and that the cost can be reduced. | 10-07-2010 |
| 20110157592 | SURFACE PLASMON RESONANCE UNIT AND INSPECTION SYSTEM USING THE SAME - The present invention provides a surface plasmon resonance (SPR) unit having at least one microfluidic channel with grating structures embedded in so that a grating-coupled surface plasmon resonance can be induced by an incident light while fluid in the microfluidic channel contacts or flows through the grating area. The induced variation of optical signal due to the SPR effect is analyzed for performing bio-screening and assay of bioaffinity reaction. Meanwhile, present invention further provides an SPR inspection system possessing a rotation power to the SPR unit such that the SPR unit is capable of rotating and thereby generating a centrifugal force for driving the flow inside the microfluidic channels so as to achieve the label-free and high throughput SPR inspection system with low-cost. | 06-30-2011 |
| 20120083704 | METHOD AND DEVICE FOR BLOOD PRESSURE MEASUREMENT - A method and device for blood pressure measurement is disclosed. The steps are capturing the pressure oscillating signal detected from the pressure sensor arranged at the cuff, processing the signal appropriately to cooperate with the personal information inputted by subject or without inputting any information, and actively selecting suitable characteristic coefficient accurately determine the systolic blood pressure and the diastolic blood pressure. It is able to adaptively regulate algorithms relative to different ages, BMIs, medical histories, and further accurately determine the blood pressure, so that the probability of the sphygmomanometer's erroneous judgment is decreased, medical resources are saved, and further a personal blood pressure measurement is accurately performed. | 04-05-2012 |
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| 20080310262 | METHOD FOR AUTOMATICALLY CALIBRATING OUTPUT POWER OF OPTICAL PICK-UP HEAD AND OPTICAL DISC DRIVER USING THE METHOD - A method for automatically calibrating an output power of an optical pick-up head is provided. First, an optical disc is provided, wherein a relationship between the output power for writing the optical disc and a specific parameter corresponding thereto is defined as a first function. Next, the optical pick-up head is controlled to perform a writing operation on the optical disc according to an instruction value, and obtain the specific parameter corresponding to the instruction value. Next, the output power corresponding to the instruction value is obtained according to the first function and the specific parameter. Next, the instruction value is adjusted according to the instruction value and the output power, and the output power of the optical pick-up head is calibrated according to the adjusted instruction value. | 12-18-2008 |
| 20090028023 | OPTICAL DISC IDENTIFICATION APPARATUS AND METHOD OF IDENTIFYING OPTICAL DISC - An optical disc identification apparatus is disclosed. The optical disc identification apparatus includes an optic pickup unit and a control unit. The optic pickup unit has a plurality of laser sources. The optic pickup unit emits any of lasers to the optical disc and detects the reflected laser from the optical disc to transduce the reflected laser to a detection signal. The control unit controls the optic pickup unit to activate any of the laser sources and moves an object lens of the optic pickup unit. When the object lens moves, the control unit obtains a sectional width value of an S-curve of a focus FE signal according to the detection signal. The control unit repeats above steps to obtain the sectional width values of the S-curves of all the laser sources and identifies the optical disc according to all the sectional width values. | 01-29-2009 |
| 20090323480 | OPTICAL STORAGE SYSTEM AND SPHERICAL ABERRATION COMPENSATION APPARATUS AND METHOD THEREOF - An optical storage system and a spherical aberration (SA) compensation apparatus and method thereof are provided. The SA compensation apparatus includes a microprocessor and a digital-signal-processor (DSP). The microprocessor regulates a compensation value of an SA compensation driver in the optical-pickup-head (OPH) several times after the microprocessor has determined the type of an optical storage medium and before the OPH has not focused on the optical storage medium. The DSP processes a plurality of electrical signals converted through the OPH whenever the microprocessor has regulated the compensation value of the SA compensation driver, so as to obtain width values of a plurality of focus-error (FE) signals. Accordingly, the microprocessor makes the SA compensation driver to drive an SA compensation unit according to the width values of the FE signals, so as to compensate an SA of the light point generated by the OPH and focused on the optical storage medium. | 12-31-2009 |
| 20100271918 | METHOD FOR DETERMINING TYPE OF DISK AND APPARATUS THEREOF - A method for determining a type of a disk and an optical storage apparatus thereof are provided. The method includes when the disk placed in the optical storage device is not a blank disk, determining whether the phases between a first signal and a second signal of the disk are the same or not; and determining that the disk is a low to high (LTH) data disk or a high to low data disk (HTL) data disk upon whether the phases of the first signal and the second signal are the same or not. Therefore, the reading parameters are correspondingly loaded in the optical storage device according to the type of the disk. | 10-28-2010 |
| 20110055857 | MOVE-SLED-HOME DEVICE AND METHOD FOR USE IN OPTICAL DISC DRIVE - A move-sled-home device is used in an optical disc drive. The move-sled-home device includes a processing unit, a motor actuator, a sled, a sled motor, and a current-detecting unit. The processing unit outputs a control signal. The motor actuator generates a driving voltage according to the control signal. The sled motor generates a driving current according to the driving voltage to move the sled. The current-detecting unit is used for receiving and converting the driving current into an indicating signal, and issuing the indicating signal to the processing unit. During a move-sled-home action, the processing unit realizes a magnitude of the driving current according to the indicating signal, thereby determining whether the move-sled-home action is finished. | 03-03-2011 |
| 20110058464 | METHOD AND DEVICE FOR IDENTIFYING OPTICAL DISC - An optical disc identifying device includes an optical pickup head, a digital signal processor and a radio frequency amplifier. The optical pickup head has a plurality of laser diodes and a lens. During a start-up procedure, a non-blue laser diode of the optical pickup head is turned on to irradiate a loaded optical disc, thereby generating an electronic signal. The digital signal processor outputs a driving signal, thereby controlling a motor driver to move the lens in a focusing direction. The radio frequency amplifier receives the electronic signal during the movement of the lens, thereby generating a first signal. The digital signal processor includes a detecting unit for comparing the first signal with a slicing signal to generate a pulse signal, and determining whether the optical disc is a blue-ray disc or a non-blue-ray disc according to a pulse number of the pulse signal. | 03-10-2011 |
| 20110310717 | METHOD AND APPARATUS FOR DETERMINING THE NUMBER OF DATA LAYERS IN AN OPTICAL DISC - The present invention provides a method and an apparatus for determining the number of data layers in an optical disc. Firstly, the objective lens of the optical pickup head is controlled so that it moves toward the optical disc. At the same time, a generated SBAD signal is recorded. The number of wave peaks in the SBAD signal is then detected and the number of the data layers in an optical disc is determined according to the detected number of wave peaks in the SBAD signal. | 12-22-2011 |
| 20120044792 | METHOD AND APPARATUS FOR DETERMINING AN OPTIMAL FOCUS BIAS AND SPHERICAL ABERRATION COMPENSATING VALUE IN AN OPTICAL DISC DRIVE - A method for determining an optimal combination of focus bias and spherical aberration compensating value (SA value) in an optical disc drive is provided. Firstly, a first focus bias is set, the SA values are adjusted and the corresponding tracking error signal values are measured. Second-order-approximation is performed to obtain a first maximum value of tracking error signal. Secondly, a second focus bias is set, the SA values are adjusted and the corresponding tracking error signal values are measured. Second-order-approximation is performed to obtain a second maximum value of tracking error signal. Thirdly, a third focus bias is set, the SA values are adjusted and the corresponding tracking error signal values are measured. Second-order-approximation is performed to obtain a third maximum value of the tracking error signal. The three maximum values are compared to obtain the optimal combination of focus bias and SA compensating value in the optical disc drive. | 02-23-2012 |
| 20120075971 | METHOD FOR DETERMINING TYPE OF OPTICAL DISK AND OPTICAL STORAGE DEVICE - A method for determining a type of an optical disk includes following steps. A laser beam of a first type is focused on a disk to generate a first optical reflection signal. A first spherical aberration estimate is generated according to the degree of dispersion and strength of the first optical reflection signal. A laser beam of a second type is focused on the disk to generate a second optical reflection signal. A second spherical aberration estimate is generated according to the degree of dispersion and strength of the second optical reflection signal. The type of the disk is determined based on the first spherical aberration estimate and the second spherical aberration estimate. | 03-29-2012 |
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| 20090046866 | APPARATUS CAPABLE OF PERFORMING ACOUSTIC ECHO CANCELLATION AND A METHOD THEREOF - An apparatus capable of performing acoustic echo cancellation and a method thereof are provided. The apparatus comprises a mapping matrix, first and second speakers, first and second microphones, a reference generator, and a multi-channel acoustic echo canceller. The mapping matrix generates an output signal according to the first and second far end signals. The first and second speakers, coupled to the mapping matrix, play the output signal. The first and second microphones receive the first and second echo signals that are acoustically coupled from the first and second speakers to the first and second microphones, wherein the first and second echo signals are correlated to the output signal. The reference generator generates a reference signal linearly correlated to the output signal according to the first and second far end signals. The multi-channel acoustic echo canceller, coupled to the reference generator and the first and second microphones, filters the reference signal to generate the first and second filtered signals to be indicative of the estimated echo signals at the first and second microphones, subtracts the first filtered signal from the first echo signal to generate a first error signal, and subtracts the second filtered signal from the second echo signal to generate a second error signal, and then transmits the first and second error signals to a far end terminal. | 02-19-2009 |
| 20100322436 | ARRAY MICROPHONE SYSTEM INCLUDING OMNI-DIRECTIONAL MICROPHONES TO RECEIVE SOUND IN CONE-SHAPED BEAM - An array microphone system includes a first omni-directional microphone, a second omni-directional microphone, a gain control, and a beam former. The first omni-directional microphone faces a first direction. The second omni-directional microphone faces a second direction opposing the first direction. When receiving sound, the first omni-directional microphone and the second omni-directional microphone respectively generate a first signal and a second signal. The gain control amplifies the second signal to transform into a third signal, wherein strength of the third signal is equal to that of the first signal when the sound comes from the first direction. The beam former separates an in-beam sound signal and an out-beam sound signal from the first signal and the third signal. | 12-23-2010 |
