| OPTOELECTRONICS CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120037820 | OPTICAL ASSEMBLY AND OPTICAL-INFORMATION-READING DEVICE - To provide a camera module in which a liquid lens can be fixed with a simple configuration. The camera module | 02-16-2012 |
| 20120037703 | OPTICAL DEVICE, OPTICAL INFORMATION READING DEVICE AND LIGHT SOURCE UNIT MOUNTING METHOD - When an optical module is manufactured, a module package is used in which a collimating lens is attached, and in which a pedestal is installed to arrange the laser light source unit so that the laser beam is outputted substantially parallel to the optical path passing through the optical axis of the collimating lens. First, the laser light source unit is attached to the pedestal using clips so that it can move only in the direction along the optical path. The laser light source unit is then moved in the direction along the optical path, and its position is adjusted so that the laser beam is parallel light from the collimating lens. Afterwards, the laser light source is secured to the pedestal using an adhesive so that it cannot move in the direction along the optical path. | 02-16-2012 |
| 20120033894 | Optical Information-Reading Apparatus and Optical Information-Reading Method - A method and apparatus to enable a position of an image to be identified and to enable the image to be recognized reliably even when the image is unclean or external disturbance light is irradiates the image. On a assumption that a binarization threshold value is calculated for every block based on the maximum and minimum values of the brightness values in code symbol data, plural adjacent blocks, the threshold values of which are calculated, are grouped to generate groups. The area of each of the groups thus generated is compared with a predetermined area for a comparison standard and if the area of each of the groups thus compared is larger than that, these groups are selected. The position of the selected groups is identified. Brightness value of the code symbol data are binarized using the threshold value for every block in the selected groups. | 02-09-2012 |
| 20120024954 | Optical Assembly and Optical-Information-Reading Device - A camera module | 02-02-2012 |
| 20120002100 | Optimized Illumination for an Omniscanner - An imaging device preferably for use in a 2-D CCD or CMOS sensor is disclosed. The illumination means uses a plurality of illumination sources, some of which are coupled to lenses in an offset manner to promote far field illumination, and some of which are not so coupled and are arranged to provide near field illumination. | 01-05-2012 |
| 20110243488 | BEARING CONSTITUENT MEMBER AND PROCESS FOR PRODUCING THE SAME, AND ROLLING BEARING HAVING BEARING CONSTITUENT MEMBER - There is provided a bearing constituent member capable of achieving a long life of a rolling bearing and securing sufficient static loading capacity and dimensional stability and a production process thereof as well as a rolling bearing having a long life and exhibiting sufficient static loading capacity and dimensional stability. | 10-06-2011 |
| 20110210174 | Optical Code Detection With Image Exposure Control - In an optical code detection system and method, infrared pulses are utilized to detect the presence of an object within the range of an optical imaging device, but the image of an infrared pulse reflected from the object is also analyzed to determine the distance between the object and the imaging device. An illumination pulse is then produced to illuminate the optical code on the object, and the characteristic of that pulse, such as duration, are controlled to provide appropriate exposure for an object at the detected distance. | 09-01-2011 |
| 20110200314 | LIQUID LENS WITH TEMPERATURE COMPENSATED FOCUS TIME - A temperature compensated liquid lens is disclosed in which wait times for the liquid lens to respond to an applied control voltage or calculated in advance and stored in a table. A temperature sensor is utilized with the liquid lens that provides temperature data to the controlled circuitry. The wait time for the liquid lens to respond is then minimized to be no more than the minimum required time for the liquid lens to respond to the controlled voltage enough to focus the image to a prescribed level of quality. | 08-18-2011 |
| 20110175732 | POWER MANAGEMENT SYSTEM FOR ELECTRONIC SHELF LABELS AND THE LIKE - A power management system is disclosed in which ESL labels communicate with a server through a base station. The frequency and times at which each ESL label communicates with the server is optimized for the minimum communication necessary to provide up to date pricing and related information, and to simultaneously minimize consumed battery power for the ESL labels. The base stations and servers for the system are preferably operated from hard wired power. | 07-21-2011 |
| 20110101096 | IDENTIFICATION CARD AND NETWORK SYSTEM USING THE SAME - An identification card contains an identification portion that contains identification information for identifying a person, a wireless-information-receiving portion that receives wireless information, an output-information-generating portion that generates output information from the wireless information received by the wireless-information-receiving portion, and an output-information-displaying portion that receives the output information from the output-information-generating portion to display the output information. The identification card can identify the person and receives the output information from the output-information-generating portion to display the output information. | 05-05-2011 |
| 20100329657 | Method and Apparatus for Imaging a Moving Object - A relatively rapidly moving object is imaged with a sensor incorporating a rolling electronic shutter, while using flash illumination which is comparable to or dimmer than ambient light. This is achieved by utilizing a physical shutter between the object and sensor which is synchronized to the flash. Preferably, the physical shutter is also operated so as to be open for a time interval which is coextensive with the presence of the flash. Preferably, an optical mechanism is provided between the object and sensor which causes the image to be focused when the light is flashed and blurred otherwise. Preferably, an optical filter is positioned between the object and sensor, and this filter is constructed to transmit to the CMOS sensor light at the wavelength of the flashing light source but to attenuate ambient light. | 12-30-2010 |
| 20100302747 | SYSTEM AND METHOD FOR COUPLING A LENS TO A PRINTED CIRCUIT - An optical assembly is disclosed which may include a lens having first and second electrodes; and a flexible printed circuit (FPC) configured for placement in proximity to the lens, wherein the FPC may include a bottom insulating layer; a top insulating layer; and an FPC electrode configured to contact the second electrode of the lens, wherein the FPC electrode may include a center portion disposed between the bottom and top insulating layers of the FPC; a post connected to the center portion and extending through the top insulating layer of the FPC; and a contact layer connected to the post and configured to provide the contact with the second electrode of the lens. | 12-02-2010 |
| 20100302656 | METHOD AND STRUCTURE FOR MOUNTING AN OPTICAL LENS - A liquid lens is mounted in a lens opening provided in a photographic instrument by making use of a mounting member made of a material which transmits light of predetermined wavelength and includes an inner wall shaped and dimensioned to receive the periphery of the lens in spaced, opposed relationship. The mounting member includes a portion mounted or to be mounted to the optical instrument. A bonding material is provided between the lens periphery and the mounting member wall, and the bonding material is activated by exposure to light of the predetermined wavelength, which is injected from outside, through the mounting member. Preferably, the light is injected with a guide member having an opening with an interior wall shaped and dimensioned to conform to an exterior wall of the guide member. The light may be injected from an edge of the guide member remote from the opening, through the guide member, and into the mounting member. | 12-02-2010 |
| 20100294839 | OPTICAL CODE SCANNER WITH AUTOMATIC FOCUSING - A code scanner, which illuminates a scanned code from a distance, includes a liquid lens which focuses the reflected image of the code on an image sensor. The scanner includes a range detector, preferably laser-based, which determines the distance to the scanned code, and the liquid lens is controlled to focus at the detected distance. A source of illumination is uncontrolled to maintain its intensity substantially constant, regardless of the distance of the scanned code. This can be achieved by controlling the intensity of illumination (directly), or the dispersal angle of illumination in relationship to the distance. | 11-25-2010 |
| 20100219246 | SIGNAL PROCESSING FOR LIGHT BEAM SENSING - In an optical code sensor of the type in which a signal derived from a light beam encoded with digital data is obtained by extracting transitions, an adjustable bandwidth filter is interposed before processing to extract the data. The distance of the optical code is detected, and the filter bandwidth is increased in relationship to the distance of the bar code. Preferably, the input signal to the filter is applied to a shift register and the output at each stage of the register is multiplied by a predetermined coefficient calculated to achieve a particular waveshape, preferably a Gaussian waveshape, via the entire set of coefficients. The register stage outputs, multiplied by the coefficients are then added together to produce a filtered output signal applied to the processor. | 09-02-2010 |
| 20100181378 | BEVERAGE MAKER WITH COMPACT OPTICAL CODE READER - A compact barcode reader is provided in which the imaging lens and a linear sensor are in a straight line path with the barcode (no bend in path). By using a wide angle lens with a short back focus, it is possible to reduce the distance between the barcode and linear sensor to a fraction of what it was in the prior art. In addition, the maximum image height and the downward projection of the sensor are reduced to a fraction of what they were in the prior art. As a result, despite the straight line optical path, compact barcode reader becomes so small that it does not interfere with the operation of the beverage maker. | 07-22-2010 |
| 20100163624 | Bar Code Scanner With Environmental Sensing - A bar code scanner is disclosed which may include a scanner gun; and at least one sensor in communication with the scanner gun, wherein the at least one sensor is operable to detect at least one operating condition of the bar code scanner. | 07-01-2010 |
| 20100133344 | Compact Bar Code Scanner Assembly - A bar code scanner module is disclosed that may include a chassis housing an optical transmission system therein, the optical transmission system including a laser diode and a motor; a first circuit board coupled to the motor; and a second circuit board disposed within the chassis and in communication with the first circuit board. The module may further include a third circuit board disposed in proximity to the chassis and in communication with at least one of the first circuit board and the second circuit board. | 06-03-2010 |
| 20090219599 | CHANGEABLE APPARATUS FOR SINGLE OR RASTER SCANNING USING POLYGON MIRROR - A changeable apparatus for scanning a symbol is disclosed wherein by selectively changing the position of a bending mirror ( | 09-03-2009 |
| 20080246967 | Apparatus for Reading a Color Symbol - The present invention provides an apparatus for reading a color symbol, which comprises a matrix of color filters arranged in front of a detector. Light received from the filters of some colors is used to locate the color symbol, while light received from all the filters is used to read and decode the located symbol. Preferably, the filters used for locating the symbol are of the colors to which the detector is most sensitive. Preferably, the filters for locating the symbol are dominant in number. | 10-09-2008 |
