Abstract: A radio frequency identification electronic device with enhancing surface wave-guide effect includes a host or a programmable single IC, an identification transmitting/receiving device electrically connected to the host or the programmable single IC for generating a current, and an enhancing surface wave-guide coaxial cable structure. The enhancing surface wave-guide coaxial cable structure comprises a coaxial cable having at least one breach region without an outer conducting layer and a matching resistor, wherein the current builds up an electromagnetic (EM) wave while flowing through the at least one breach region, and the EM wave is transmitted along the outer conducting layer of the coaxial cable until to the matching resistor. Moreover, an electromagnetic field can be built up while the current flows through the at least one breach region, and a RFID electronic tag attached to an object can be automatically triggered by the electromagnetic field.

Abstract: An inductor structure including a plurality of solenoids and at least one connecting line is provided. One of the solenoids serves as a core, and the remaining solenoids are sequentially wound around the core solenoid. Axes of the solenoids are substantially directed to the same direction. Each connecting line is correspondingly connected between ends of two adjacent solenoids to serially connect the solenoids.

Abstract: A three-dimensional inductor is provided. The three-dimensional inductor is disposed in a multi-layered substrate. The multi-layered substrate includes at least a dielectric layer and at least two metal layers. The three-dimensional inductor includes a first coil and a second coil. The second coil is electrically connected to the first coil. The first coil is on a first plane and formed on a first metal layer. The second coil is on a second plane and disposed in a variety of dielectric layers and metal layer. The first plane is not parallel to or is vertical to the second plane such that the magnetic field generated by the first coil and the magnetic field generated by the second coil are not parallel to each other or are vertical to each other.

Abstract: Radio-frequency identification (RFID) tag antenna, tags and communications systems using the same are presented. The RFID tag antenna includes a patterned conductive loop having a plurality of longitudinal conductive sections and a pair of transverse conductive sections connecting to each end of the longitudinal conductive sections to serve as a matching network. A pair of extended conductive arms is electrically connected to the patterned conductive loop via two nodes. A bonding pad with an RFID chip disposed thereon is arranged at the central area of the pair of extended conductive arms.

Abstract: A three-dimensional inductor is provided. The three-dimensional inductor is disposed in a multi-layered substrate. The multi-layered substrate includes at least a dielectric layer and at least two metal layers. The three-dimensional inductor includes a first coil and a second coil. The second coil is electrically connected to the first coil. The first coil is on a first plane and formed on a first metal layer. The second coil is on a second plane and disposed in a variety of dielectric layers and metal layer. The first plane is not parallel to or is vertical to the second plane such that the magnetic field generated by the first coil and the magnetic field generated by the second coil are not parallel to each other or are vertical to each other.

Abstract: An antenna having a signal feeding structure, an antenna conductor coupled to the signal feeding structure and forming a slot in the antenna conductor. A closing portion capacitively closing the at least one slot at a mechanically open end of the slot.

Abstract: Methods and apparatus for recording and visualizing transactions of a test bench simulation are disclosed. Transaction-specific data generated from a test bench simulation may be displayed in a sequence diagram view to provide a view of the transactions arranged sequentially in time.

Abstract: A band-pass filter includes a plurality of resonators, a feedback capacitive device and a grounding inductance device. A first end of each resonator is connected to a first node, and a second end of each resonator is connected to a second node. The feedback capacitive device is formed on the feedback circuit from the first node to the second node. The grounding inductance device is connected to the second node and ground. In an embodiment, the resonator essentially consists of a capacitive device and an inductance device.

Abstract: A reconfigurable multi-band antenna system has a signal transmission metal, a ground metal, at least two resonators, and at least two switches. The signal transmission metal and the ground metal respectively act as a signal feed-in end and a ground end and of the reconfigurable multi-band antenna system. The at least two resonators are disposed on at least one side of the transmission metal line. Each switch is coupled to the at least two resonators or one of them. Each switch has a control end, and independently and respectively receives one of the at least two control signals, wherein the at least two control signals respectively and independently the short and open of the switches. The at least two resonators form a resonator configuration of a semi-close resonating configuration or a close resonating configuration, and generates a signal within a frequency according to the resonator configuration.

Abstract: Radio-frequency identification (RFID) tag antenna, tags and communications systems using the same are presented. The RFID tag antenna includes a patterned conductive loop having a plurality of longitudinal conductive sections and a pair of transverse conductive sections connecting to each end of the longitudinal conductive sections to serve as a matching network. A pair of extended conductive arms is electrically connected to the patterned conductive loop via two nodes. A bonding pad with an RFID chip disposed thereon is arranged at the central area of the pair of extended conductive arms.

Abstract: A band-pass filter includes a plurality of resonators, a feedback capacitive device and a grounding inductance device. A first end of each resonator is connected to a first node, and a second end of each resonator is connected to a second node. The feedback capacitive device is formed on the feedback circuit from the first node to the second node. The grounding inductance device is connected to the second node and ground. In an embodiment, the resonator essentially consists of a capacitive device and an inductance device.

Abstract: A light regulating board includes base plate, and two opaque layers mounted on two opposite side faces of the base plate and each having a plurality of light permeable zones. Thus, the light regulating board is mounted in a car to isolate the light from the light source provide a sunshade effect to a driver. In addition, the base plate of the light regulating board has an adjustable angle to adjust the light permeable width of the light permeable zones of each of the opaque layers so as to regulate the light permeability of the light regulating board.