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Jianhua Li

Jianhua Li, Fremont, CA US

Patent application numberDescriptionPublished
20090026267INDICIA READING TERMINAL PROCESSING PLURALITY OF FRAMES OF IMAGE DATA RESPONSIVELY TO TRIGGER SIGNAL ACTIVATION - There is described a decodable indicia reading terminal which in one embodiment can capture and process a certain (e.g., a first) and a subsequent (e.g., a second) frame of image data, wherein the certain and the subsequent frames have different imaging attributes. In one embodiment the attributes between certain and subsequent frames are differentiated in that the certain frame represents light incident on pixels of a first image sensor and the subsequent frame of image data represents light incident on pixels of a second image sensor spaced apart from the first image sensor. Additionally, or in the alternative, the attributes between certain and subsequent frames can be differentiated in that the first frame represents light incident on an image sensor under a first illumination profile and the subsequent frame represents light incident on pixels of an image sensor under a second illumination profile. In one embodiment imaging attributes of a frame subject to decoding are maintained constant for each frame subject to processing during a time that a trigger signal remains active. In one embodiment the certain and subsequent frames can be processed to yield partial decoding results and the partial decoding results can be combined to form a complete decoding result.01-29-2009
20090039167Indicia reading terminal having spatial measurement functionality - There is provided in one embodiment an indicia reading terminal that can execute a spatial measurement mode of operation in which the indicia reading terminal can determine a dimension of an article in a field of view of the indicia reading terminal and/or determine other spatial information. In determining a dimension of an article, an indicia reading terminal can utilize setup data determined in a setup mode of operation and/or data determined utilizing the setup data.02-12-2009
20090072038INDICIA READING TERMINAL HAVING MULTIPLE SETTING IMAGING LENS - An indicia reading terminal can include a multiple setting imaging lens assembly and an image sensor having an image sensor array. In one embodiment, an indicia reading terminal in an active reading state can cycle through a set of different lens settings, expose pixels of an image sensor array during an exposure period when each new lens setting is achieved, and attempt to decode decodable indicia represented in frames of image data captured corresponding to each exposure period. In one embodiment, movement of an imaging lens assembly lens element can be provided with use of a hollow stepper motor.03-19-2009
20100133345INDICIA READING TERMINAL HAVING PLURALITY OF OPTICAL ASSEMBLIES - There is described an indicia reading terminal having an image sensor array including a plurality of pixels, a first optical assembly for focusing imaging light rays onto a first set of pixels of an image sensor array and a second optical assembly for focusing imaging light rays onto a second set of pixels of the image sensor array. The indicia reading terminal can be adapted to process image data corresponding to pixels of the image sensor array for attempting to decode a decodable indicia.06-03-2010
20110017829APPARATUS AND METHOD COMPRISING DEFORMABLE LENS ELEMENT - An apparatus comprising a deformable lens element can be provided wherein a deformable lens element can be deformed to change an optical property thereof by the impartation of a force to the deformable lens element.01-27-2011
20110073878LED ARRAY PACKAGE COVERED WITH A HIGHLY THERMAL CONDUCTIVE PLATE - A light source includes a substrate, a light emitting diode on the substrate, and a phosphor layer over the light emitting diode. A plate is on the phosphor layer. An attachment member is coupled to the plate and is configured to conduct heat away from the plate.03-31-2011
20110174880INDICIA READING TERMINAL HAVING MULTIPLE SETTING IMAGING LENS - An indicia reading terminal can include a multiple setting imaging lens assembly and an image sensor having an image sensor array. In one embodiment, an indicia reading terminal in an active reading state can cycle through a set of different lens settings, expose pixels of an image sensor array during an exposure period when each new lens setting is achieved, and attempt to decode decodable indicia represented in frames of image data captured corresponding to each exposure period. In one embodiment, movement of an imaging lens assembly lens element can be provided with use of a hollow stepper motor.07-21-2011

Patent applications by Jianhua Li, Fremont, CA US

Jianhua Li, New York, NY US

Patent application numberDescriptionPublished
20110075140GLASS HANDLING AND PROCESSING SYSTEM - Systems, methods and apparatus relate to handling and processing glass, such as glass for use in liquid crystal displays, involving a measurement device, such as a distortion gauge, residing in an environmentally controlled measurement room, and a cassette loading device for storage and conveyance of glass between the measurement device and other components of a glass handling and processing system residing with the cassette loading device in a preparation room. A mail-slot opening may be present in a wall separating the measurement room from the preparation room. A gauge conveyor may convey glass between the cassette loading device and the measurement device. A distortion gauge may measure a reference value of the product glass with respect to reference marks on a glass reference plate of the distortion gauge. Other examples of a measurement device include a warp gauge, a stress gauge, a thickness gauge, and a compaction gauge.03-31-2011

Jianhua Li, Kanagawa JP

Patent application numberDescriptionPublished
20090109573DISK DRIVE AND HEAD SLIDER - Embodiments of the present invention provide a head slider that suppresses accumulation of lubricant droplets on an air-bearing surface due to a backflow, and thus improves reliability of a disk drive. According to one embodiment, a lubricant droplet being adhered to a head slider and accumulated thereon, which are caused by extremely low flying height of the head slider, are prevented from falling onto a recording medium. When velocity of a recording medium at a position where the head slider faces the recording medium is assumed to be v, step depth δ04-30-2009
20100053816HEAD-SLIDER, HEAD-ARM ASSEMBLY INCLUDING THE HEAD-SLIDER, AND HARD-DISK DRIVE INCLUDING THE HEAD-ARM ASSEMBLY INCLUDING THE HEAD-SLIDER - A head-slider which is configured to fly above a magnetic-recording disk. The head-slider includes a disk-facing side, which faces the magnetic-recording disk. The disk-facing side includes a plurality of surfaces including at least: a step bearing surface; a rail surface, which protrudes toward the magnetic-recording disk and is configured to exert a positive pressure; a deep-recessed surface, which is formed deeper than the step bearing surface and is configured to exert a negative pressure; an extended lateral surface, which is formed at substantially a same depth as the step bearing surface and disposed outside the deep-recessed surface in a width direction of the head-slider; and, an extended rear surface, which is formed at substantially the same depth as the step bearing surface and disposed at a trailing edge of the head-slider, and contiguous with the extended lateral surface.03-04-2010
20110058275DISK DRIVE INCLUDING HEAD-SLIDER CONFIGURED TO SUPPRESS LUBRICANT DROPLET ACCUMULATION - A disk drive. The disk drive includes a disk and a head-slider. The head-slider includes an air-bearing surface. The air-bearing surface includes a trailing-edge rail surface, an inner trailing-edge pad, and an outer trailing-edge pad. The pad surface of the outer trailing-edge pad includes a straight outer edge slanting outward; and, the angle of the outer edge with respect to the longitudinal direction of the head-slider is β03-10-2011

Patent applications by Jianhua Li, Kanagawa JP

Jianhua Li, Livermore, CA US

Patent application numberDescriptionPublished
20100323466LIGHT EMITTING DIODE LAMP WITH PHOSPHOR COATED RELECTOR - A light emitting apparatus includes a lamp reflector having phosphor, wherein the lamp reflector further includes an aperture, and an LED light source arranged with the lamp reflector to excite the phosphor and to emit light through the aperture of the lamp reflector.12-23-2010
20110169431Method and Apparatus for Providing Omnidirectional Illumination Using LED Lighting - A light-emitting device capable of generating omnidirectional light utilizing a reflector is disclosed. The light-emitting device, in one aspect, includes a light emitting diode (“LED”) package, a light reflector, and a shell. The LED package, which is mounted on a plate, generates a forward light cone by converting electrical energy to optical energy. The light reflector can be formed with various different shapes that can be placed adjacent to the LED package. A function of the light reflector is to redistribute at least a portion of the forward light cone whereby the overall light illuminated by the light-emitting device complies with LM79 specifications. The shell is used to enclose the LED package and the light reflector and configured to illuminate light in omnidirectional radiation in response to the forward light cone.07-14-2011

Jianhua Li US

Patent application numberDescriptionPublished
20100131762SECURED COMMUNICATION METHOD FOR WIRELESS MESH NETWORK - A secured communication method for Wireless Mesh Network (WMN) in the field of network technology includes initial authentication request, authentication negotiation process of the authentication server and encrypted data communication via pre-shared key and other valid Mesh Point (MP) in the WMN in order to implement the functions of the WMN. The present invention not only meets the new needs of the WMN dynamic self-organization, but also provides the security performance almost the same as the IEEE 802.11 standard requirements. The present invention is easily applied into WMN upon IEEE 802.11 links, and furthermore, the architecture disclosed in the present invention is quite simple and easy to implement with full compatibility and flexibility.05-27-2010
20100254364RATE-ADAPTIVE METHOD FOR WIRELESS MESH NETWORK - This invention relates to a rate-adaptive method for wireless mesh network in areas of wireless networking technology. In the invention, each node in the wireless mesh network broadcasts probe packets and meanwhile receives probe packets from its neighboring nodes, and maintains a rate priority table in time based on the sending success ratio of probe packets, and then sets up a new dynamic probe queue according to this rate priority table, selectively sending all the probes with rates that are listed in the rate priority table or close to them, and the automatic rate selection is accomplished by decisions on probes' sending success ratio. This invention can adapt to the changes of the network conditions very well, and reduce the influence of route broadcast and convergence on network throughput as much as possible, and at the meantime, it takes the changes in network topology into account, thus is very suitable for conditions with a complex spatial distribution of electromagnetic waves.10-07-2010

Jianhua Li, Lubeck DE

Patent application numberDescriptionPublished
20100049027ELECTRODE BELT FOR CARRYING OUT ELECTRODIAGNOSTIC PROCEDURES ON THE HUMAN BODY - An electrode belt is provided for carrying out electrodiagnostic procedures on the human body. The electrode belt includes a belt (02-25-2010

Patent applications by Jianhua Li, Lubeck DE

Jianhua Li, Shanghai CN

Jianhua Li, Sagamihara JP

Patent application numberDescriptionPublished
20080259502MAGNETIC HEAD SLIDER - A magnetic head slider has a recess portion recessed with respect to the center rail. The recess portion has a spherical or oval-spherical projection, which includes a read element and a write element disposed in the recess portion. The recess portion may prevent increasing flying height of a slider base due to projection height h may be suppressed, and may secures higher air film stiffness, so that consequently flying stability of the slider may be improved.10-23-2008

Jianhua Li, Beijing CN

Patent application numberDescriptionPublished
20080213657High Capacity Lithium Ion Secondary Battery with Metal Case - The present invention relates to a high capacity lithium ion secondary battery with metal casing, characterized in that each of the positive terminal or negative terminal includes respectively an upper backing plate, an upper insulator and a lower insulator. The upper backing plate and upper insulator are long-circular piece, two or more rivets pass through the concentric holes on the upper arm of a positive or negative electrode tab, the lower insulator, a sealing cover, the upper insulator and the upper backing plate respectively and rivet them as a whole. The lower arm of the positive electrode tab or negative electrode tab is connected to the corresponding positive or negative electrode tab on a battery core body, and the battery core body is comprised of two or more winded cores in parallel connection. The battery is provided with the advantages and effects of good sealing performance, good electrochemistry property, and simple manufacturing process, as well as high security of a pile comprised of plurality of such individual batteries. As a result the useless space in height of battery is reduced and the volumetric specific energy of the same is enhanced.09-04-2008

Jianhua Li, Guangzhou CN

Patent application numberDescriptionPublished
20110265132Live TV Broadcast Method of Digital Interactive TV - A live TV broadcast method of digital interactive TV, which enables the whole network to share one set of CMTS for independent live broadcast: CMTS of each hub head-end is used for on-demand broadcast; Cable Modem aims to receive directives from users to seek downlink frequency corresponding to the IP address according to frequency IP list stored with IP addresses and downlink frequencies for advanced multicast. After that, data flow shall be sent to users through bridging by Cable Modem. As Cable Modem can directly perform the switchover, there is no need to use CMTS to receive uplink data. This is favorable for significant reduction of afflux of various interferences signals and off-line of Cable Mode, which can ensure normal and stable broadcast of programs in case of off-line.10-27-2011