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1413 results about "RF module" patented technology

An RF module (short for radio-frequency module) is a (usually) small electronic device used to transmit and/or receive radio signals between two devices. In an embedded system it is often desirable to communicate with another device wirelessly. This wireless communication may be accomplished through optical communication or through radio-frequency (RF) communication. For many applications the medium of choice is RF since it does not require line of sight. RF communications incorporate a transmitter and a receiver. They are of various types and ranges. Some can transmit up to 500 feet. RF modules are widely used in electronic design owing to the difficulty of designing radio circuitry. Good electronic radio design is notoriously complex because of the sensitivity of radio circuits and the accuracy of components and layouts required to achieve operation on a specific frequency. In addition, reliable RF communication circuit requires careful monitoring of the manufacturing process to ensure that the RF performance is not adversely affected. Finally, radio circuits are usually subject to limits on radiated emissions, and require Conformance testing and certification by a standardization organization such as ETSI or the U.S. Federal Communications Commission (FCC). For these reasons, design engineers will often design a circuit for an application which requires radio communication and then "drop in" a pre-made radio module rather than attempt a discrete design, saving time and money on development.

Implantable medical device incorporating miniaturized circuit module

Implantable medical devices (IMDS) having RF telemetry capabilities for uplink transmitting patient data and downlink receiving programming commands to and from an external programmer having an improved RF module configured to occupy small spaces within the IMD housing to further effect the miniaturization thereof. An RF module formed of an RF module substrate and at least one IC chip and discrete components has a volume and dimensions that are optimally minimized to reduce its volumetric form factor. Miniaturization techniques include: (1) integrating inductors into one or more IC chips mounted to the RF module substrate; (2) mounting each IC chip into a well of the RF module substrate and using short bonding wires to electrically connect bond pads of the RF module substrate and the IC chip; and (3) surface mounting discrete capacitors over IC chips to reduce space taken up on the RF module substrate. The integrated inductors are preferably fabricated as planar spiral wound conductive traces formed of high conductive metals to reduce trace height and width while maintaining low resistance, thereby reducing parasitic capacitances between adjacent trace side walls and with a ground plane of the IC chip. The spiral winding preferably is square or rectangular, but having truncated turns to eliminate 90° angles that cause point-to-point parasitic capacitances. The planar spiral wound conductive traces are further preferably suspended over the ground plane of the RF module substrate by micromachining underlying substrate material away to thereby reduce parasitic capacitances.
Owner:MEDTRONIC INC

System and method for home automation using wireless control rf remocon module based on network

A home automation system using an infrared (IR)/radio frequency (RF) integration remote control module based on a network. At least one IR/RF integration remote control module (100) is disposed at a predetermined location of a home automation region. The IR/RF integration remote control module (100) with a wireless interface function integrates an RF modulation/reception/transmission function and an IR modulation/reception/transmission. A set-top box (200) is appropriately disposed so that it can carry out an interface function for controlling the IR/RF integration remote control module (100) and a wired/wireless Internet access function. The set-top box (200) receives various control commands over an Internet network using transmission control protocol/Internet protocol (TCP/IP) and controls the IR/RF integration remote control module (100). Even though various pieces of equipment using the conventional IR reception/transmission scheme or a new electronic product equipped with an RF module is added to the home automation system using an RF modulation scheme, an automation operation and a bidirectional control operation based on the integrated IR and RF transmission scheme can be appropriately carried out. Thus, the home automation system and method can be cost-effectively and conveniently implemented.
Owner:CHOI DONG WOOK

Standardized RF module insert for a portable electronic processing device

A wireless network adapter for establishing wireless communication links between electronic devices. In one embodiment, the wireless network adapter comprises wireless communication circuitry encased in a shell in the form of a detachable molding element of an electronic device. The wireless network adapter further comprises a bus connector adapted to couple the wireless communication circuitry to an expansion bus when the shell is attached to an outer surface of an electronic device. The wireless network adapter is a fully integrated solution further comprising an RF antenna for communication with a wireless network and a radio modem comprising a radio, a receiver, and modulation circuitry. The RF antenna in the wireless network adapter may take one of several forms. The antenna may be a dedicated unit housed within the shell of the wireless network adapter. Alternatively, the antenna may form a part of the outer shell of the adapter or it may form a part of a company logo located on the shell the adapter. The wireless network adapter is installed in an electronic device such as a portable computer. The electronic device comprises, at a minimum, a system microprocessor, an expansion bus, a read-writeable memory device, an input/output device, and an expansion port connected to the expansion bus that is configured to accept the detachable wireless network adapter. Another embodiment of the present invention comprises an electronic device equipped with an external sleeve configured to accept a wireless network adapter insert.
Owner:HEWLETT PACKARD DEV CO LP
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