Abstract: A flash memory device and method of making the same are disclosed. The flash memory device is located on a substrate and includes a floating gate electrode, a tunnel dielectric layer located between the substrate and the floating gate electrode, a smaller length control gate electrode and a control gate dielectric layer located between the floating gate electrode and the smaller length control gate electrode. The length of a major axis of the smaller length control gate electrode is less than a length of a major axis of the floating gate electrode.

Abstract: A physiological monitoring device, a physiological monitoring method and a non-transitory computer readable storage medium for implementing the physiological monitoring method are provided. The physiological monitoring device has a blood pressure sensing module, a motion sensing module and a processor. The motion sensing module senses a physical state of the physiological monitoring device to generate a physical state signal accordingly. The processor, which is coupled to the blood pressure sensing module and the motion sensor module, determines whether the physiological monitoring device is in a stationary state and a horizontal state according to the physical state signal so as to determine whether an ideal measurement condition is met. When the ideal measurement condition is met, the processor controls the blood pressure sensing module to measure a blood pressure of the user.

Abstract: A positioning system and method are provided. The positioning system includes a wireless signal source disposed at a known fixed location in an area and a handheld electronic device. The handheld electronic device includes a compass, a wireless transmission module and a processing module. The processing module retrieves information of fixed direction from the compass, determines a first azimuth angle among the handheld electronic device, the wireless signal source, and the fixed direction according to a maximum signal strength between the wireless transmission module relative to the wireless signal source, and determines a first distance between the handheld electronic device and the wireless signal source according to a first wireless transmission parameter between the wireless transmission module and the wireless signal source. The processing module further determines a first absolute location of the handheld electronic device according to the first azimuth angle and the first distance.

Abstract: A near field communication and wireless charging device includes a coil, a tuning module, a near field communication module, a wireless charging module, and a power storage device. The coil is configured to receive electromagnetic waves. The tuning module is electrically connected to the coil. The near field communication module includes an attenuator and a near field communication control circuit. The attenuator is configured to attenuate the energy of electromagnetic waves transmitted from the tuning module. The near field communication control circuit is electrically connected to the attenuator. The power storage device is electrically connected to the wireless charging module. Electromagnetic waves are magnetically coupling to the coil, and the coil transmits signals of the electromagnetic waves to the near field communication module through the tuning module, or transmits the energy of the electromagnetic waves to the power storage device through the tuning module and the wireless charging module.

Abstract: The present invention provides a wearable device with wireless transmission. The wearable device includes: a first exterior member configured to operate at a first frequency band; a second exterior member configured to operate at a second frequency; and a connecting member configured to electrically insulate the first exterior member from the second exterior member, so the wearable device is able to operate at the first frequency band and the second frequency band simultaneously. A frame structure of the wearable device is formed by stacking the first exterior member, the connecting member and the second exterior member in sequence from top to bottom. In addition, a method for manufacturing the same is also provided in the present invention.

Abstract: An electronic bracelet includes a rechargeable battery, a chip and a wireless charging module. The chip detects health information of a wearer of the electronic bracelet. The wireless charging module receives an alternating magnetic field and converts the alternating magnetic field to direct current to charge the rechargeable battery.

Abstract: An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.

Abstract: A car multimedia device includes a positioning board, a display and a data transmitting chip. The data transmitting chip is near the positioning board and is coupled to the display. A docking bay is defined in the multimedia device for docking an electronic device. The positioning board is located on one side of the docking bay. When the electronic device is located in the docking bay, the electronic device is configured to lean against the positioning board for facilitating coupling to the data transmitting chip.

Abstract: A positioning system and method are provided. The positioning system includes a wireless signal source disposed at a known fixed location in an area and a handheld electronic device. The handheld electronic device includes a compass, a wireless transmission module and a processing module. The processing module retrieves information of fixed direction from the compass, determines a first azimuth angle among the handheld electronic device, the wireless signal source, and the fixed direction according to a maximum signal strength between the wireless transmission module relative to the wireless signal source, and determines a first distance between the handheld electronic device and the wireless signal source according to a first wireless transmission parameter between the wireless transmission module and the wireless signal source. The processing module further determines a first absolute location of the handheld electronic device according to the first azimuth angle and the first distance.

Abstract: The present invention provides a wearable device with wireless transmission. The wearable device includes: a first exterior member configured to operate at a first frequency band; a second exterior member configured to operate at a second frequency; and a connecting member configured to electrically insulate the first exterior member from the second exterior member, so the wearable device is able to operate at the first frequency band and the second frequency band simultaneously. A frame structure of the wearable device is formed by stacking the first exterior member, the connecting member and the second exterior member in sequence from top to bottom. In addition, a method for manufacturing the same is also provided in the present invention.

Abstract: A near field communication and wireless charging device includes a coil, a tuning module, a near field communication module, a wireless charging module, and a power storage device. The coil is configured to receive electromagnetic waves. The tuning module is electrically connected to the coil. The near field communication module includes an attenuator and a near field communication control circuit. The attenuator is configured to attenuate the energy of electromagnetic waves transmitted from the tuning module. The near field communication control circuit is electrically connected to the attenuator. The power storage device is electrically connected to the wireless charging module. Electromagnetic waves are magnetically coupling to the coil, and the coil transmits signals of the electromagnetic waves to the near field communication module through the tuning module, or transmits the energy of the electromagnetic waves to the power storage device through the tuning module and the wireless charging module.

Abstract: An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.

Abstract: An electronic device includes a chassis, a cooler, and a fan assembly. The chassis includes a bottom plate and defines an air inlet and an air outlet. The cooler is secured to the bottom plate. The fan assembly is secured to the bottom plate and defines a case and a roller received in the case. The roller includes a shaft and a number of blades secured to the shaft. An area of the air inlet is greater than an area of the air outlet. The fan assembly is capable of drawing in air into the roller. The air flows into the air inlet along a first direction. The air flows out of the air outlet along a second direction. The first direction is substantially parallel to the second direction. The first direction is substantially perpendicular to the shaft.

Abstract: A balun is provided. The balun includes a first substrate, a feed conductor, a second substrate, a first ground layer, a second ground layer and a common ground element. The feed conductor includes a feed portion and an extended feed portion. The feed conductor is disposed on the first substrate. The first ground layer is disposed on the second substrate corresponding to the feed portion. The second ground layer is disposed on the second substrate corresponding to the extended feed portion. A gap is formed between the first and second ground layers. The common ground element is disposed on the second substrate. The common ground element is electrically connected to the first and second ground layers. The common ground element includes a first common ground portion parallel and corresponding to the feed conductor.

Abstract: A balun is provided. The balun includes a first substrate, a feed conductor, a second substrate, a first ground layer, a second ground layer and a common ground element. The feed conductor includes a feed portion and an extended feed portion. The feed conductor is disposed on the first substrate. The first ground layer is disposed on the second substrate corresponding to the feed portion. The second ground layer is disposed on the second substrate corresponding to the extended feed portion. A gap is formed between the first and second ground layers. The common ground element is disposed on the second substrate. The common ground element is electrically connected to the first and second ground layers. The common ground element includes a first common ground portion parallel and corresponding to the feed conductor.

Abstract: A flat antenna device is proposed, including a substrate having a first surface and a second surface, a first. antenna module disposed on the first surface and having a first coupling unit, and a second antenna module disposed on the second surface and having a second coupling unit.