Abstract: A global positioning system and dead reckoning (GPS&DR) integrated navigation system includes a GPS receiver coupled to a moving object for periodically generating GPS navigation information of said moving object, a DR system coupled to said moving object for periodically calculating DR navigation information of said moving object, and a filter coupled to said GPS receiver and said DR system for periodically calculating navigation information of said moving object, wherein said filter gets observation information by integrating said GPS navigation information and said DR navigation information according to a weight value of said GPS navigation information and a weight value of said DR navigation information, and calculates a current navigation information by integrating said observation information with previous navigation information from a plurality of previous cycles.

Abstract: A sealed air purifier is disclosed. A housing is formed by connecting a first shell and a second shell. The first shell and the second shell communicate via separable connecting base and connector. A retractable bag encloses the connecting base and the connector. A sealing structure is provided between both ends of the bag. The first shell has an air inlet connecting the inside and the outside and a gate to control the airflow. A compression assembly is disposed in the first shell. The second shell has an air outlet connecting the inside and the outside and a blocking element to control the air outlet. The second shell has a sterilizing device and a super ULPA filter. When the gate closes the air inlet, the compression assembly, sterilizing device, and the air outlet close correspondingly, so that the inside of the housing is isolated. Thus, the viruses remaining therein do not spread with air.

Abstract: A foam generating apparatus has a body with an inlet end at one end and an outlet end at the other end; a wind averaging piece contained in the body and adjacent to the inlet end, a buffer space being defined between the side of the wind averaging piece toward the inlet end and the inner edge of the inlet end, and the wind averaging piece being provided with a plurality of radially arranged through holes; and a porous body disposed in the body and abutting against the side of the wind averaging piece toward the outlet end, and a foam collecting chamber being defined between the porous body and the inner edge of the outlet end.

Abstract: A method for automatically creating POI by identifying geographic information on a screen of a portable navigation device is disclosed. A first geographic information is retrieved from an information page shown in the screen of the portable navigation device and recognized by comparing with the first geographic information with a geographic information of landmarks stored in a map database of the portable navigation device. It is determined whether the first geographic information is in the map database. If the geographic information is in the map database, a first GPS coordinate corresponding to the first geographic information is obtained and stored as a first POI.

Abstract: An access method for use in a memory device is provided. The memory device comprises a data area having a plurality of data blocks and a spare area having a plurality of spare blocks. First, data from a host is received. A spare block is popped from the spare area and the received data is programmed into the popped spare block accordingly. A data block corresponding to the data is pushed to the spare area. The pushed data block is erased when the memory device is waiting for a specific instruction to be issued from the host.

Abstract: A control method for at least one memory cell is disclosed. The memory cell includes a transistor and a resistor. The resistor is connected to the transistor between a first node and a second node. In a programming mode, the memory cell is programmed. The step of programming the memory cell includes providing a first controlling voltage to a gate of the transistor, providing a first setting voltage to the first node, and providing a second setting voltage to the second node. When it is determined that the memory cell has been successfully programmed, a specific action is executed.

Abstract: A data programming circuit for storing a writing data into a memory cell is provided. The data programming circuit includes a control circuit and a current generating circuit. The control circuit generates a control signal according to the writing data. The current generating circuit provides a writing current to the memory cell to change a crystalline state of the memory cell. The writing current has a pulse width corresponding to the writing data, and the crystalline state corresponds to the writing data.

Abstract: The invention also provides a flash storage device. In one embodiment, the flash storage device is coupled to a host, and comprises a random access memory and a controller. The random access memory stores a plurality of link tables therein, wherein each of the link tables corresponds to one of a plurality of management units of at least one flash memory, and the link tables store corresponding relationships between logical addresses and physical addresses of the corresponding management units. The controller receives an access logical address from the host, determines an access physical address corresponding to the access logical address according to the link tables stored in the random access memory, and accesses data from the flash memory according to the access physical address.

Abstract: A transmission mechanism includes a first gear unit having an axially-movable ring gear and a second gear unit having an axially-movable fixing ring. The fixing ring includes first and second protrusions on two sides, respectively. When the ring gear moves, the first inner teeth and the outer teeth of the second planet gear disk are engaged with each other or disengaged from each other. When the fixing ring moves, the first protrusions and the first positioning ridges are engaged with each other or disengaged from each other, or the second protrusions and the second positioning ridges are engaged with each other or disengaged from each other. By the different combinations of the statuses due to movement of the ring gear and the fixing ring, the input speed from the motor gear is transferred into four different speeds which is output from an output shaft.

Abstract: A hardwood floor with a flexible locking mechanism is disclosed. The floor board has a male locking apparatus on one end and a female locking apparatus on the opposite end. Two adjacent floor boards are engaged by sliding the male locking apparatus of one floor board into the female locking apparatus of an adjacent floor board. The female locking apparatus includes a flexible lower lip that moves downward when the male locking apparatus engages the female locking apparatus.

Abstract: A photographing optical lens assembly, sequentially arranged from an object side to an image side, comprising: the first lens element with negative refractive power having a convex object-side surface and a concave image-side surface, the second lens element with positive refractive power having bi-convex surfaces, the third lens element with positive refractive power having a convex object-side surface, at least one aspherical surface and at least one inflection point on at least one optical surface. Additionally, the photographing optical lens assembly comprises a stop and satisfies condition such as 0.75<SL/TTL<1.1, wherein SL is the axial distance from the stop to the image plane, TTL is the axial distance from the object-side surface of first lens element to the image plane. By such arrangements, the photographing optical assembly can effectively correct the aberration and obtain superior image quality.

Abstract: An LED lighting assembly includes an emitting-light apparatus, an inserting apparatus connected electrically to the emitting-light apparatus and a base cover received the emitting-light apparatus. The emitting-light apparatus includes a PCB and at least one LED unit welded on the PCB. The inserting apparatus includes a pedestal and at least two connecting springs received in the pedestal. The base cover has a first side groove and a second side groove. The two ends of the bottom of the base cover have a fixing gap and an inserting slot. The emitting-light apparatus is inserted into the second side groove, the inserting apparatus are inserted into the first side groove, the bottom of the pedestal is received in the fixing gap. The LED lighting assembly can link with another the same, and the distances of the LED units adjacent to other are same.

Abstract: An optical lens assembly for image taking, sequentially from an object side to an image side along an optical axis comprises: the first lens element with refractive power, a bi-convex second lens element with positive refractive power, the third lens element with negative refractive power having a concave object-side surface and a convex image-side surface, the fourth lens element with positive refractive power having a convex object-side surface and a concave image-side surface. All four lenses may be made of plastic with bi-aspherical surfaces. Additionally, the optical lens assembly for image taking satisfies conditions to shorten the total length and reduce the sensitivity in order to achieve the goal of a fine aberration correction and ready for its use in cameras and camera mobile phones.

Abstract: A wire connector with two spring plate parts comprises a box, a spring plate, a fixing base, and a conductive plate. The spring plate is integrally formed and fixed inside the box. The spring plate has first plate parts on its first extension part and second plate parts on its second extension part. The exposed end of a wire is inserted via the holes of the fixing base and held by the first plate parts and the second plate parts. The exposed end of the wire is thus in electrical contact with the conductive plate on the bottom part.

Abstract: A passive tag receiving a reader signal provided by a reader is disclosed. The passive tag includes an antenna, an oscillator circuit, and an internal chip. The antenna receives the reader signal. The reader signal is within an operation frequency band. The oscillator circuit is coupled to the antenna and generates a frequency signal. The internal chip processes the reader signal according to power provided by the reader signal and the frequency signal when the reader signal is received and the frequency signal is generated.

Abstract: An optical lens assembly for image taking, sequentially arranged from an object side to an image side, comprises: the first lens element with refractive power, the second lens element with positive refractive power, the third lens element with negative refractive power having a concave object-side surface and a convex image-side surface, the fourth lens element with positive refractive power having a convex object-side surface. The optical lens assembly further comprises a stop and an image sensor on an image plane. Each of the third and the fourth lens elements can have at least one aspherical surface. When the optical lens assembly utilizes the thickness conditions provided in the present invention, along with a favorable entrance pupil diameter ratio, fine aberration corrections, wide-angle of view, and functionalities for common image pickup cameras or those used with infrared settings can be achieved.

Abstract: The present invention discloses a chip structure capable of smoothing slope of signal during conversion. And the chip structure is suitable for a DC motor which is embedded in a portable electronic device. The DC motor is for adjusting the focal distance of a digital camera which is installed within the portable electronic device. The chip structure comprises an input terminal, a first converter, a control unit, a second converter, an amplifier circuit and an output terminal. The input terminal is for receiving a first digital signal. The first converter is for converting the first digital signal into an analog signal. The control unit is for elongating the transform time of the analog signal. The amplifier circuit is for amplifying the elongated analog signal. The second converter is for converting the elongated analog signal into a second digital signal. And the output terminal outputs the second digital signal.

Abstract: An image pickup optical lens assembly, sequentially arranged from an object side to an image side along an optical axis, comprising: the first lens element with positive refractive power having a convex object-side surface, the second lens element with negative refractive power, the third lens element with refractive power, the fourth lens element with positive or negative refractive power having a concave object-side surface and a convex image-side surface with both being aspheric, and the fifth lens element with positive or negative refractive power having a convex object-side surface and a concave image-side surface with both being aspheric. Additionally, the image pickup optical lens assembly satisfies conditions related to the reduction of the total length and the sensitivity of the image pickup optical lens assembly for compact cameras and mobile phones with camera functionalities.

Abstract: An image pickup optical lens assembly, sequentially arranged from an object side to an image side along an optical axis, comprises the first lens element with positive refractive power having a convex object-side surface, the second lens element with negative refractive power having a concave object-side surface and a convex image-side surface, the third lens element with refractive power, the fourth lens element with positive refractive power having a concave object-side surface and a convex image-side surface, the fifth lens element with negative refractive power having a concave image-side surface with at least one inflection point, and a stop. Each of the five lens elements may be made of plastic with bi-aspherical surfaces. Additionally, the image pickup optical lens assembly satisfies conditions of shortening the total length and reducing the sensitivity for usage in compact cameras and mobile phones with camera functionalities.