A device for a wireless RF link to a remote receiving device can radiate at different radiation patterns in response to detecting a change in the device position. As the device is moved, displaced, or re-positioned, a position sensor in the device detects the change in position and provides position information to a processor. The processor receives the position information from the position sensor, selects an antenna configuration and physical data rate based on the position information, and provides an RF signal associated with the selected antenna configuration through the antenna elements of the selected antenna configuration.

Adjustment of radiation patterns utilizing a position sensor

A multi-frequency printed antenna includes an insulating substrate, a feed strip, a ground strip, and a plurality of radiating and grounded conductive strips The insulating substrate has a first surface and a second surface opposite to the first surface The feed strip and the plurality of radiating conductive strips are formed on the first surface while the ground strip and the plurality of grounded conductive strips are formed on the second surface The radiating conductive strips together with the grounded conductive strips form a multi-resonant mechanism to achieve a multi-frequency antenna radiation

Multi-frequency printed antenna

A metallic shaping plate located in the interior housing of a wireless device is disclosed. The metallic shaping plate may influence a radiation pattern being generated by a horizontal antenna array. The result may be an increase in the gain of the array.

Pattern Shaping of RF Emission Patterns

An embedded antenna for facilitating wireless transmission of utility meter data is disclosed, where in one embodiment an RF antenna is a part of the faceplate of the utility meter. In another embodiment the utility meter faceplate is a single-layer or a multi-layer printed circuit board (PCB) with the RF antenna printed on any desired layer. Such faceplates may be labeled to be viewable from outside of the meter housing and/or have openings to accommodate visual access to an output display of the meter consumption information.

Embedded antenna apparatus for utility metering applications

An antenna apparatus comprises selectable antenna elements including a plurality of dipoles and/or a plurality of slot antennas (“slot”). Each dipole and/or each slot provides gain with respect to isotropic. The dipoles may generate vertically polarized radiation and the slots may generate horizontally polarized radiation. Each antenna element may have one or more loading structures configured to decrease the footprint (i.e., the physical dimension) of the antenna element and minimize the size of the antenna apparatus.

Coverage antenna apparatus with selectable horizontal and vertical polarization elements

An improved element for use in an electrically steered antenna array is disclosed comprising a dipole, an integral balun and a 180° phase shift bit. The arrangement utilizes printed circuit techniques throughout using an unbalanced microstrip for connection to electrical circuitry, a balun for transitioning from unbalanced microstrip to a balanced dipole antenna and includes a low loss 180° phase shift bit formed by the use of a branched feed network including two diodes whose conductive states determine the sense of antenna excitation, and produce the equivalent of a 180° phase shift bit.

Microstrip fed printed dipole with an integral balun and 180 degree phase shift bit

: Monolithic microwave integrated circuits (MMICs) are presently being developed for millimeter wave phased array radars and communications systems. Incorporating monolithic active circuitry into these arrays greatly increases system performance and cost effectiveness as well as overall flexibility and reliability. To achieve this system performance, radiating elements are needed which are efficient, exhibit broad band- and beamwidths, are lightweight, low in cost, and that are directly integratable with monolithic circuitry. (Author)

Printed dipole radiating elements for monolithic millimeter wave phased arrays

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Microstrip fed printed dipole with an integral balun and 180 degree phase shift bit

Printed dipole radiating elements for monolithic millimeter wave phased arrays