411results about How to "Reduce signal loss" patented technology

in general, in accordance with an exemplary aspect of the present invention, a low-loss interface for connecting an integrated circuit such as a monolithic microwave integrated circuit to an energy transmission device such as a waveguide is disclosed. In one exemplary embodiment, the interface comprises a pin seated within an assembly that forms a hermetic sealed, coaxial structure to prevent signal loss at increasing frequencies.

An integrated circuit structure includes a semiconductor substrate of a first conductivity type; and a depletion region in the semiconductor substrate. A deep well region is substantially enclosed by the depletion region, wherein the deep well region is of a second conductivity type opposite the first conductivity type. The depletion region includes a first portion directly over the deep well region and a second portion directly under the deep well region. An integrated circuit device is directly over the depletion region.

A fiber optic transceiver incorporating a lens array with an integrated mirror and method of creating the same is disclosed. The transceiver includes the lens array and transceiver housing used to convert optical signals to electrical signals. The lens array includes a fiber side that can be connected to a fiber optic connector. The lens array also has a device side that can be connected to a photodetector. The lens array also includes a mirror that is positioned to transmit an optical signal received from the fiber side to the device side. Both the fiber side and the device include lenses used to provide focused transmission of optical signals. Accordingly, optical signals can be transmitted from a fiber optic connector to a photodetector in a compact and efficient manner at high bandwidths.

A high-frequency device has a semiconductor substrate; a high-frequency circuit layer formed on the substrate and including a circuit element and a multilayer wiring layer; electrically conductive pads; rewiring layers connected to the electrically conductive pads; an electrically insulating sealing layer formed on the first electrically insulating layer and the rewiring layer and having a thickness larger than the multilayer wiring layer; electrically conductive posts provided inside the electrically insulating sealing layer and between the rewiring layer and the mounting connection terminals. A first electrically conductive post corresponding to a power source has a first diameter; a second electrically conductive post corresponding to an input of input amplifier has a second diameter less than the first diameter; and a third electrically conductive post corresponding to an output of power output amplifier has a third diameter larger than the second diameter.

A signal coupling apparatus for power line communications includes an impedance matching transformer and a transmission mode control circuit for high data rate power line communications on a three-phase four-wire distribution line. Therefore, it is possible to improve the efficiency of power line communications, to minimize signal loss, and to construct an optimal high voltage distribution path.

An antenna arrangement for a portable communication apparatus includes a main antenna connectable to an antenna input, a receive antenna connectable to an antenna output, an external antenna connector for receiving a terminal of an auxiliary antenna, an antenna detector arranged to detect the terminal when it is connected to the external antenna connector, a switch adapted to connect either the receive antenna or the external antenna connector to the antenna output, and a DC voltage network. The DC voltage network is connected to the switch and is arranged to automatically control the switch to connect the external antenna connector to the antenna output and disconnect the receive antenna from the antenna output, when the terminal is connected to the external antenna connector.

A method and system of applying modulated carrier signals to tree networks and processing signals tapped from the tree networks to generate output signals with phase-synchronized carriers are disclosed.

A magnetic resonance imaging (MRI) method of obtaining MRI images of a patient and storing the images in physical storage media.

A method and system of applying modulated carrier signals to tree networks and processing signals tapped from the tree networks to generate output signals with phase-synchronized carriers are disclosed.

A dynamically self-bootstrapping circuit for a switch features a resistor in series with the control node of the switch. A bypass switch connects a control node to ground. When the switch is in an off-state, the bypass switch is enabled.

A method and system of applying modulated carrier signals to tree networks and processing signals tapped from the tree networks to generate output signals with phase-synchronized carriers are disclosed.

The present invention discloses an asymmetric bidirectional silicon-controlled rectifier, which comprises: a second conduction type substrate; a first conduction type undoped epitaxial layer formed on the substrate; a first well and a second well both formed inside the undoped epitaxial layer and separated by a portion of the undoped epitaxial layer; a first buried layer formed in a junction between the first well and the substrate; a second buried layer formed in a junction between the second well and the substrate; a first and a second semiconductor area with opposite conduction type both formed inside the first well; a third and a fourth semiconductor area with opposite conduction type both formed inside the second well, wherein the first and second semiconductor areas are connected to the anode of the silicon-controlled rectifier, and the third and fourth semiconductor areas are connected to the cathode of the silicon-controlled rectifier.

The invention discloses a preparation method for a high-refractive index hydrogenated silicon film, the high-refractive index hydrogenated silicon film, a light filtering lamination and a light filtering piece and relates to the technical field of optical films. The preparation method comprises the following steps that firstly, by means of magnetic controlled Si target sputtering, Si deposits on abase body, and a silicon film is formed; and secondly, the hydrogenated silicon film containing oxygen is formed through the silicon film under the environment where activated hydrogen and active oxygen are contained, the amount of the activated oxygen accounts for 4%-99% of the total amount of the activated hydrogen and the activated oxygen, or, the hydrogenated silicon film containing nitrogenis formed through the silicon film under the environment where the activated hydrogen and the activated nitrogen are contained, and the amount of the activated nitrogen accounts for 5%-20% of the total amount of the activated hydrogen and the activated nitrogen. According to the preparation method, sputtering and a reaction are separately conducted, firstly, by means of magnetic controlled Si target sputtering, Si deposits on the base body, then, plasmas of the activated hydrogen and the activated oxygen / nitrogen react with the silicon to obtain the oxygen or nitrogen containing SiH, the poisoning problem of a target is avoided, and the SiH film has a relatively high refractive index and relatively low absorption.

A keyless entry device which performs communication between a portable device and a vehicle-side device is provided in a vehicle. The vehicle includes a door handle provided with a grip portion, which is provided with a vehicle-side electrode that detects an electric field induced in a human body by a portable device electrode, and the vehicle-side electrode has at least two of a first face opposed to a vehicle body face of the vehicle, a second face opposed to the vehicle body face of the vehicle and disposed at a position more distant from a vehicle body than the first face, and an upper face and a lower face orthogonal to the first face and the second face and parallel to each other. The vehicle-side electrode includes faces other than the first face or includes the first face having a smaller area than other faces.

A radar level gauge (RLG), intended for measuring with a close-range low-power radar a distance to a content surface in a container relatively to a measuring position, which is located above the surface and fixed in relation to a lower boundary of said container. The RLG comprises a transmitter for transmitting an electromagnetic transmitter pulse, a signal medium interface connectable to means for directing said transmitter pulse towards said surface and for receiving a reception pulse reflected back from said surface, and a receiver for receiving said reception pulse. A switch connects said signal medium interface to said transmitter while said transmitter pulse is transmitted, and said signal medium interface to said receiver while said reflected pulse is received, the switch having a switching time short enough to enable short distance detection.According to this design, signal losses can be reduced significantly compared to prior solutions.

A magnetic resonance imaging (MRI) method of obtaining MRI images of a patient and storing the images in physical storage media.