Abstract: Example methods, apparatus, systems, and computer-readable storage media are provided to monitor a mobile device. An example method includes determining whether environmental condition data collected by a plurality of sensors of a mobile device complies with an environmental condition rule comprising thresholds associated with the environmental condition data. The environmental condition data is representative of external elements detected by the sensors. The example method includes informing a user of the mobile device of an environmental condition associated with the environmental condition data when the environmental condition data does not comply with the environmental condition rule. The example method includes performing a self-protecting procedure via the mobile device. The self-protecting procedure defined in the environmental condition rule is to protect the mobile device from the environmental condition when the environmental condition data does not comply with the environmental condition rule.

Abstract: An electronic device includes a port for connecting the electronic device to other electronic devices and a moisture detector configured to detect an electrically conductive liquid in the first port. The moisture detector is configured to maintain a voltage on a first electrical contact of the port and to detect a short circuit between the first electrical contact and a second electrical contact of the port. The moisture detector determines that the electronic device has been exposed to an electrically conductive liquid if the monitor module detects the short circuit. The moisture detector may also put the electronic device into safe mode if it is exposed to an electrically conductive liquid.

Abstract: A method includes reading a digital signal from a sensing device in an area of a structure, where the digital signal is configured to be present periodically. A trailing edge of the digital signal is determined. An analog signal from the sensing device is read, where the analog signal includes an output from a sensor included in the sensing device, and where the sensor is configured to detect an aspect of an environment. The analog signal is read after the trailing edge of the digital signal.

Abstract: The present invention relates to a system for monitoring contact or close proximity between one or more sources of contact within an environment and to one or more devices suitable for implementing such a system. Each source of contact is provided with a monitoring device. Each monitoring device comprises an indicator unit and a detecting unit. The indicator unit is operable to emit a signal and the detecting unit is operable to detect and identify signals of the type emitted by the indicator unit of another monitoring device and output an information signal indicative thereof.

Abstract: A method for providing an alert to a person to unplug an electrical power cord of an electrical device or equipment includes an alarm device that is activated upon separation of a first portion from a second portion. The first and second portions of the alarm device are secured proximate opposite sides of a loop provided in the power cord. The first and second portions, when engaged, maintain a switch of an electrical circuit in an open position. If the equipment is moved prior to unplugging the power cord, the loop will be straightened, causing the first and second portions to separate. The switch closes, completing the electrical circuit and activating the alarm device. The alarm alerts the person to unplug the power cord. A first alternate method includes the alarm device as a part of newly manufactured equipment. A second alternate method includes a motion detector or sensor in the alarm device of the newly manufactured equipment.

Abstract: A subsea communication system and its method of operating are provided. A subsea power distribution module of the subsea communication system may be adapted to be connected to a topside power supply of a topside installation and to distribute electric power received from topside power supply to subsea modules. A first communication connection to the subsea power distribution module may be adapted to provide a data communication with the topside installation. A second communication connection between the subsea power distribution module and a subsea module may be provided. The subsea power distribution module may forward data communications received on the first communication connection to the subsea module via the second communication connection.

Abstract: Methods and tools for detecting casing position downhole is presented. The method utilizes electromagnetic. (EM) tools with tilted antenna systems to detect casing position. Sometimes titled antenna designs also increase EM tools' sensitivity to formation parameters, which can lead to false signals for casing detection. In addition, it is very difficult to distinguish measured signals between a casing source and a formation source. The methods presented help to distinguish between the two sources more clearly. The methods and tools presented also help to minimize those environmental effects, as well as enhance the signals from a surrounding conductive casing. The methods herein provide ideas of EM tool's design to precisely determine casing position within a certain distance to casing position.

Abstract: A method for monitoring an ambulatory patient includes receiving a patient parameter from a medical device, and receiving a clinician parameter from a clinician device. The method further comprises analyzing the patient parameter, transforming the patient parameter and the clinician parameter into history parameters, and transforming the patient parameter into an audio parameter. The method further comprises transmitting the audio parameter to the clinician device, updating the history parameter in response to receiving a second patient parameter or a second clinician parameter, and updating the audio parameter in response to receiving a second patient parameter.

Abstract: The invention relates to a method for remotely reading fluid meters, according to which a meter comprises a module having a metering clock and a wireless transmitter for transmitting a frame of time-stamped remote-reading information to a server which comprises a server clock; after every N frames are transmitted, the meter module enters a receiving mode (Rx) for a period of time (?Rx); upon receiving a frame of time-stamped information, the server determines the difference between the time information contained in the received frame and the time information provided by the server clock; then, if the difference is greater than a predetermined limit (?L), the server sends a reset message to the meter; upon receiving the reset message, the module of the meter updates the meter clock.

Abstract: A system to alert drivers approaching a traffic intersection controlled by a traffic signal light. The system may alert about an impending change in the state of the signal from green to red, to allow them to plan ahead and stop the vehicle safely. The system can be used to slow down and stop an autonomous vehicle (driven by a robot) safely at an intersection. It can also be used to implement “active” or “intelligent” stop signs that warn the driver if the vehicle does not slow down when it has crossed the safe stopping distance at an intersection. It may be used as a virtual hazard warning system to warn motorists of temporary hazards or bottlenecks on the roadway; or as an aid for visually impaired drivers (drivers with color blindness, partially or fully blind drivers).

Abstract: A driver assistance system for a vehicle includes a plurality of lights linearly arranged substantially around an interior perimeter of the vehicle. A controller is controllably coupled to the plurality of lights, such that the controller is operable to control the plurality of lights. A hazard detection system is communicatively coupled to the controller.

Abstract: Disclosed is a vehicle-mounted communication device that carries out radio communications with a communication device for pedestrians which is carried by a pedestrian, the vehicle-mounted communication device including: a receiver that receives pedestrian information showing whether the pedestrian belongs to a pedestrian group formed of the pedestrian and a plurality of pedestrians in the vicinity of the pedestrian from the communication device for pedestrians; a controller that judges the pedestrian information received by the receiver and issues a command to present pedestrian attention information when the pedestrian information shows that the pedestrian does not belong to a pedestrian group; and an information outputter that presents the pedestrian attention information according to the command from the controller. Therefore, the vehicle-mounted communication device enables the driver to certainly recognize the existence of a pedestrian not belonging to a pedestrian group.

Abstract: A solar powered navigational light including: a casing; at least one illuminated lenses on a front side of the casing; a battery compartment within the casing, where the battery compartment houses a rechargeable battery; and a solar panel array on a top side of the casing, where the solar panel array produces energy to charge the rechargeable battery. The solar panel array may function as a sensor to active the illumination of the at least one illuminated lenses. In one particular embodiment, the illuminated lenses may emit a combination of red, green or white lights. The illuminated lenses may include a first lenses and a second lenses in combination.

Abstract: Vehicle location sharing systems and methods are described. In an embodiment, a system for sharing a location of a vehicle may include a location-determining device and a network-connected device. The location-determining device may be configured to track a location of a vehicle and to determine a location of the vehicle in response to a voice command from an occupant of the vehicle. The network-connected device may be configured to transmit a location description in response to the voice command. The location description may be configured to identify the determined location of the vehicle.

Abstract: An array f(n) is received for n=1, . . . , N where N is a length of a codeword. An array g(n) is received for n=1, . . . , N where N is a length of a codeword. Input data is encoded to satisfy an MTR constraint and a RLL constraint using the array f(n) and the array g(n).

Abstract: The invention relates to an estimator for estimating a probability distribution of a quantization index generated from a source coder encoding a source signal, into a sequence of quantization indices, the source signal being described by a signal model, the source coder providing a current quantization index and current side information, the estimator being configured to obtain auxiliary parameters based on a configuration of the source coder and the current available side information and the signal model, the estimator being further configured to adaptively update the probability distribution of a quantization index upon the basis of a probability density function relating to a previous state of the estimator, the auxiliary parameters, the current quantization index and the current side information.

Abstract: An analog-digital conversion circuit includes a comparator that receives an analog input signal. A controller generates an N1-bit first signal and an N2B-bit second signal in accordance with an output signal from the comparator. A first digital-analog converter generates a first reference signal from the first signal. A second digital-analog converter generates a second reference signal from the second signal. A correction circuit corrects the first and second signals to generate a digital output signal. The N2B-bit second signal is acquired by adding a Kbit correction signal to an N2A-bit signal. The controller sequentially sets bit values of the first signal and bit values of the second signal in accordance with the output signal of the comparator. The correction circuit generates the (N1+N2A)-bit digital output signal based on a sum of a value acquired by multiplying the N1-bit first signal by 2?N2A and a value of the N2B-bit second signal.

Abstract: A circuit for testing digital-to-analog (DAC) and analog-to-digital converters (ADC) is provided. The circuit applies a code pattern having a plurality of sequential values to the digital to analog converter. A plurality of built-in test switches (BTS) couple at least one tap voltage from the DAC to a test bus and to the ADC as a variable reference input voltage. In one form, the circuit uses incremental digital codes to test for defects in a resistor string, a switch array, and a decode logic that form part of the DAC. In another form, the circuit uses the tap voltages from the DAC to test the comparators that form part of the ADC. Instead of performing time-consuming analog to digital conversions, the functionality of the above mentioned circuitry is tested by varying the code pattern around a reference point and by selecting the appropriate combination of BTS switches.

Abstract: An integrated-circuit, continuous-time, sigma-delta analogue-to-digital converter has a single-ended analogue input, a converter reference input, and a ground connection. The converter has a resistor-capacitor integrator arranged to receive the single-ended analogue input. The integrator comprises a differential amplifier. The converter also has a clocked comparator connected to an output from the integrator, and circuitry arranged so that reference inputs to the amplifier and to the comparator can be maintained at a common voltage derived from the converter reference input.

Abstract: Embodiments of a digital-to-analog conversion system that utilizes a specialized clock signal to reshape an analog impulse response of a digital-to-analog converter (DAC) are disclosed. Preferably, a shape of the specialized clock signal is such that Nyquist images resulting from digital-to-analog conversion are controlled in a desired manner. In one embodiment, the digital-to-analog conversion system includes a DAC that converts a digital input signal into an analog output signal. A specialized clock signal is applied to the analog output signal of the DAC such that an analog impulse response of the DAC is reshaped according to a shape of the specialized clock signal, thereby providing a modified analog output signal. The specialized clock signal reshapes the analog impulse response of the DAC such that Nyquist images resulting from digital-to-analog conversion are controlled in a desired manner.

Abstract: Methods and apparatuses for providing wide-area surveillance with a radar and/or other sensors from a stratospheric balloon launched from a land or ship platform for detection, tracking, and classification of maritime, land, and air objects such as ships, people/vehicles, or aircraft are described generally herein. In one or more embodiments, an apparatus is battery operated and includes a stratospheric balloon filled that is filled with helium when it is launched and a gondola with a radar system and communication equipment suspended therefrom. When launched, the apparatus can travel with the wind until it reaches an altitude of approximately 68,500 ft., then it can move substantially horizontally with the stratospheric winds until it returns to earth via a parachute. Multiple apparatus launches at periodic intervals can help provide continuous coverage of the surveillance area. The apparatus can be recovered and re-used or can be considered expendable.

Abstract: A three-dimensional positioning method includes establishing the geometric model of optical and radar sensors, obtaining rational function conversion coefficient, refining the rational function model and positioning the three-dimensional coordinates. Most of the radar satellite companies and part of the optical satellite only provide satellite ephemeris data, rather than the rational function model. Therefore, it is necessary to obtain the rational polynomial coefficients from the geometric model of optical and radar sensors; followed by refining the rational function model by the ground control points, so that object image space intersection is more serious; and then followed by measuring the conjugate point on the optical and radar images. Finally, the observation equation is established by the rational function model to solve the three-dimensional coordinates. It is obvious from the above results that the integration of optical and radar images does achieve the three-dimensional positioning.

Abstract: A radar system for motor vehicles has at least two radar sensors for emitting and receiving radar radiation for monitoring the surroundings of the motor vehicle, the at least two radar sensors being each positioned at an angle between 40 degrees and 50 degrees to an axis, and the at least two radar sensors being configured in such a way that the respective antenna has a pivotable visual range of an angle between at least ?60 degrees and +60 degrees, in particular between ?45 degrees and +45 degrees, relative to the main emission direction of the respective radar sensor.

Abstract: Spin rate measurement utilizing periodic phase modulation of the radar Doppler signal reflected from a golf ball is described. Some embodiments provide a method to directly measure the ball spin rate caused by the symmetrical structure of the golf ball seam, using the dielectric lens effect of a practical sports ball to magnify the modulating effect of a non-homogeneous feature on the ball, and utilizing the specific pattern of modulation caused in this manner.

Abstract: A method and system for determining a real-time location of an object or person in a facility using low frequency magnetic induction positioning is disclosed herein. Each of the plurality of low frequency receivers is configured to receive a signal packet from a low-frequency magnetic induction transmitter, decode the signal packet, and estimate a distance from the low-frequency magnetic induction transmitter to the low-frequency receiver based on the decoded signal packet.

Abstract: Disclosed is a method of measuring the level of a liquid in a vessel, such as a chemical reactor, by radar. The method particularly pertains to situations wherein a supercritical fluid is present above the liquid. More particularly, the method serves to cope with the typical vigorous circumstances of a chemical reaction, such as urea synthesis. The invention foresees the use of a tube extending into the liquid, so as to guide the radar waves to the surface level of the liquid.

Abstract: Aspects of the present invention relate to a system (10) and a method for tracking one or more targets by a radar using a multiple hypothesis tracking (MHT) algorithm, the method including operating the radar to transmit a radar beam from a first location toward the one or more targets, operating the radar to receive a plurality of return signals at the first location from the one or more targets, and to generate a plurality of observations for a single radar dwell respectively corresponding to the plurality of return signals, and processing the plurality of observations in accordance with the MHT algorithm for at least two passes such that more than one of the plurality of observations are associated with a single track of the one or more targets.

Abstract: The present invention discloses one or more methods to perform multimode processing using a single set of measured data in a multi-sensor fusion framework. In this context, various data processing methodologies are combined in parallel in a suitable manner to simultaneously image, detect, identify and track moving targets over clutter such as stationary background using data obtained from a single set of measurements. Traditionally multiple sets of data would be required to perform these tasks, furthermore the disparate datum would be processed independently of one another. By using a common data source and interconnected processors the information content of the measured data can be fully exploited and leveraged to provide actionable intelligence and aid logistics.

Abstract: A search system for searching buried persons is provided including a radio device with a receiving device including at least one receiving antenna and adapted to receive the field of a transmitter antenna, wherein the radio device is adapted to determine the direction of the field vector of the transmitter antenna relative to the at least one receiving antenna; as well as a user interface device with at least one interface for interfacing with the radio device, as well as at least one output device for outputting search information derived from the direction of the determined field vector and perceivable by a user; wherein the radio device and the user interface device are each formed as separate units, which are each encompassed by an own housing, and wherein the search system includes determining means for determining the relative orientation of the user interface device to the radio device. Moreover, it relates to a corresponding method for searching a buried person.

Abstract: A golf information service device of the present invention includes: a case that accommodates components and a battery supplying power to the components; a GPS module that generates position information, using satellite signals; a storing unit that stores golf course information including hole information and target information; a distance calculator that extracts a hole corresponding to the position information in accordance with first input through an operation button, using the position information and the golf course information, and calculates the distance from the current location of the found-out hole to a target; and a distance guide that lets a user know the calculated distance only by a voice. Therefore, it is possible to downsize a device for providing various pieces of golf-related information.

Abstract: A radionavigation signal tracking device comprises a first and a second tracking stage for radionavigation signals. The first tracking stage comprises a first carrier phase-locked loop. The latter produces a first error signal arising from a phase difference between the first carrier and its replica. The phase of the replica of the first carrier is adjusted with the first error signal. The second tracking stage comprises a second carrier phase-locked loop. The latter produces a second error signal arising from a difference between the first phase difference and a phase difference between the second carrier and the replica thereof. The phase of the replica of the second carrier is adjusted with the first and second error signals.

Abstract: A system and method to generate a three-dimensional mapping of an arrangement of tubular components are described. The tubular components include one or more straight pipes and one or more bent segments connected at interfaces. The system includes a plurality of electronically readable identifiers, each electronically readable identifier being disposed in proximity to one of the interfaces of two of the tubular components and each side of the interface comprising at least one RFID chip. The system also includes a reader to receive a signal from each of the plurality of electronically readable identifiers in turn and a processor to process a position of the reader and each of the signals to generate the three-dimensional mapping.

Abstract: A high performance antenna incorporated on a microelectronic substrate by forming low-loss dielectric material structures in the microelectronic substrates and forming the antenna on the low-loss dielectric material structures. The low-loss dielectric material structures may be fabricated by forming a cavity in a build-up layer of the microelectronic substrate and filling the cavity with a low-loss dielectric material.

Abstract: An antenna structure includes a feed portion, a ground portion, a first radiating body, a second radiating body and a third radiating body. The first radiating body is connected to the feed portion and configured to obtain a first resonance frequency band. The second radiating body is connected to the feed portion. The third radiating body includes a first connection section connected the ground end, a second connection section, and a third connection section perpendicularly connected between the first connection section and the second connection section. The first connection section and the second connection section are positioned at two opposite sides of the second radiating body so that the third radiating body and the second radiating body cooperatively obtain a second resonance frequency band.

Abstract: Embodiments of the present invention provide a printed circuit board, which includes an electromagnetic bandgap structure disposed around an antenna, so as to prevent noise from being transmitted to the antenna. The printed circuit board includes an antenna, a circuit chip, a plurality of metal layers and a plurality of dielectric layers, a pair of transmission lines for transmitting a signal to the antenna, and an electromagnetic bandgap structure disposed between the antenna and the circuit chip and for preventing an electromagnetic wave from being transmitted from the circuit chip to the antenna.

Abstract: A broadband antenna is mounted in a metal piece and includes a radiating portion, a ground portion, and a feed portion. The radiating portion includes a main portion and a plurality of radiating arms extending from the main portion in multiple directions, the radiating arms extend to contact the metal piece. The main portion, the radiating arms, and the metal piece enclose several slots. The ground portion is connected to a plurality of end portions of the radiating arms. The feed portion is connected to the metal piece and is adjacent to the radiating portion. The feed portion, the ground portion, the main portion, and the plurality of radiating arms form different current paths, thus to form different resonance nodes, thereby tender the broadband antenna to work at multi frequency bands. A wireless communication device employing the broadband antenna is also described.

Abstract: An antenna device includes a housing defining an interior cavity, and an RF antenna situated within the housing. The RF antenna receives high definition television signals broadcast over the air. An MHL connector is mounted on the housing. An external audio or video streaming signal device is coupleable to the MHL connector. An MHL to HDMI converter circuit situated within the interior cavity of the housing receives signals from the external audio or video streaming signal device and processes these signals into an HDMI signal format. The HDMI signals are provided on an HDMI output connector mounted on the housing. RF signals from the RF antenna are provided to an RF coaxial cable connector also mounted on the housing.

Abstract: A housing, a handheld device and a manufacturing method of a housing are provided. The housing includes a body, a metal antenna layer, and a conductive element. The body includes a through hole and an appearance surface and an inner surface opposite to the appearance surface. The metal antenna layer is disposed on the appearance surface and covers the through hole, wherein an edge of the metal antenna layer is connected to the appearance surface seamlessly, and a surface of the metal antenna layer is at least partially exposed by the body. The conductive element is disposed in the through hole and directly contacts the metal antenna layer to transmit signals received by the metal antenna layer.

Abstract: A vehicle component having a housing made of non-metallic material and having at least one surface made of metallic material is provided, and an antenna assembly is disposed in the vehicle component. The antenna assembly includes a high-gain film-type antenna element having an input for receiving a wireless signal, an output, and a ground portion is disposed on said non-metallic portion of the housing of said vehicle component. The antenna assembly also includes a low noise amplifier (LNA) and a feeding structure including a coaxial cable and a ground wire. The coaxial cable establishes electrical communication between the antenna element and the LNA, and the ground wire establishes an electrical connection between the ground portion of the antenna element and the metallic surface of the vehicle component.

Abstract: This disclosure relates to antennas for wearable devices. in an aspect, the antenna includes an active portion that includes conductive traces that send and receive radiofrequency communication signals. The antenna also includes a ground plane. The antenna includes a spacer that provides separation between the active portion and the ground plane portion.

Abstract: Technology for standardizing an antenna design for a computing device includes an antenna element in the shape of an object that is commonly useful with multiple, different computing products. For example, in one embodiment the antenna element is a bracket for holding a stylus or other object within a stylus chamber that is associated with the computing device. The dimension and composition of the antenna remain relatively constant to provide a consistent radiation pattern requiring little or no redesign when implemented across the different products, since it may be placed at an edge of a device, by a stylus holder, or similar, common location that is a distance from a ground plane and device circuitry.

Abstract: A device includes a feeding circuitry, a basic mode radiator for forming a basic mode main beam pattern having one or two orthogonal polarizations based on first two orthogonal inputs received from the feeding circuitry, and a higher-order mode radiator for forming a higher-order mode conical beam pattern having one or two orthogonal polarizations based on second two orthogonal inputs received from the feeding circuitry.

Abstract: A broadband antenna element for RF transmission and reception over cellular frequencies. The antenna element is formed of conductive material on a substrate surface of conductive material in the form of a pair of half portions extending in opposite directions to distal tips defining the widest distance of a mouth of a cavity. The mouth converges to reduce in cross-section to a narrowest point at a plurality of different flare angles defined by the edges of the two half portions in between the pair of half portions forming the element. The resulting antenna element radiates and receives a wide band cellular frequencies enabling a single element to serve different providers operating on different frequency bands in the cellular spectrum between 680 MHz to 1900 MHz.

Abstract: An antenna device includes an antenna coil, a magnetic core, and a metal member. The antenna coil is mounted on a flexible base. The antenna coil is wound in a loop shape or a spiral shape such that its winding center section is a coil opening section. The magnetic core passes through a slit opening section in the flexible base. The metal member has a rectangular opening. The antenna coil is exposed through the opening in the metal member. A front-side coil conductor is nearer the opening than the magnetic core, and thus a magnetic flux links the front-side coil conductor.

Abstract: Techniques for providing multi-directional receiving antenna arrays are described herein. According to an embodiment, an apparatus includes an antenna array including multiple antennas and an orientation system. The orientation system includes multiple orientation marks and multiple alignment marks. At least one of the multiple antennas is configured to be positioned toward a respective station transmitter location based at least partially on an alignment of one of the multiple orientation marks relative to one of the multiple alignment marks.

Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.

Abstract: A broadband dual polarization antenna comprises a first metal reflective plane, for reflecting radio signals, to enhance the gain of the broadband dual polarization antenna; a first radiation portion, disposed on the first metal reflective plane with a first gap to the first metal reflective plane; a second radiation portion, disposed on the first radiation portion with a second gap to the first radiation portion; and a supporting element, for supporting and isolating the first metal reflective plane, the first radiation portion and the second radiation portion.

Abstract: This disclosure relates to chokes for suppressing undesired signals such as such as common mode electromagnetic interference (EMI) and/or radio frequency interference (RFI). The chokes can include an electro-conductive sleeve disposed over an electrical cable and the sleeve can be configured to suppress an undesired signal. In some embodiments, the electro-conductive sleeve and have a half-wave sleeve, which can be electrically open at both ends. Additional insulating material can be included between the electrical cable and the sleeve. Multiple electro-conductive sleeves and be disposed substantially concentrically over the cable. The chokes can be configured to reduce passive intermodulation (PIM). The sleeve can have a longitudinal slot that extends the length of the sleeve. The sleeve can include multiple slots that separate the sleeve into multiple panels, which can be configured to suppress different signals.

Abstract: An antenna device for a vehicle and a manufacturing method thereof are provided. The antenna device includes an antenna coil disposed in a helical antenna shape having a substantially constant pitch interval and a connector disposed on a first end of the antenna coil. A cylinder member, electrically connected to the antenna coil, is disposed on a second end of the antenna coil. A first fixing member covers a portion of the connector and the first end of the antenna coil to fix the antenna coil to the connector. A second fixing member is filled into a hollow portion and a gap within the substantially constant pitch interval and a third fixing member covers the second end of the antenna coil. A cover member covers the antenna coil, a portion of the connector, the cylinder member, the first fixing member, the second fixing member and the third fixing member.

Abstract: An antenna apparatus is provided which has a centroid close to a vibration isolation structure and which is hard to vibrate like a pendulum motion when vibration is applied. The antenna apparatus includes a first base plate, an antenna unit disposed at a side of the first base plate and supported by the first base plate, and a counter weight unit disposed at another side of the first base plate opposite to the antenna unit and supported by the first base plate. The antenna apparatus further includes a vibration isolation structure having one end fixed to the first base plate to suppress a vibration of the first base plate, and a second base plate to which other end of the vibration isolation structure is fixed and which is fixed to a moving object or a structural object.