Melbourne, FL, United States

Harris Corporation

www.harris.com
Melbourne, FL, United States

Harris Corporation is an American Florida-based international telecommunications equipment company that produces wireless equipment, electronic systems, and both terrestrial and spaceborne antennas for use in the government, defense, and commercial sectors. Headquartered in Melbourne, Florida, the company has approximately $5 billion of annual revenue and more than 14,000 employees — including nearly 6,000 engineers and scientists.The company is the largest private-sector employer in Brevard County, Florida . The company was the parent of Intersil . Most of the wireless start-ups in South Brevard County were founded and are staffed by former Harris Corporation engineers and technicians. The company's Digital Telephone Systems division was sold to Teltronics. In 2009, Harris was one of the top 100 federal contractors.In January 2015, Wired Magazine ranked Harris Corporation -- tied with U.S. Marshals Service -- as the number two threat to privacy and communications on the internets. Wikipedia.


Time filter

Source Type

Patent
Harris Corporation | Date: 2017-02-08

Systems (100) and methods for co-channel separation of communication signals. The methods involve: simultaneously receiving a plurality of communication signals transmitted at disparate relative Doppler frequencies from different locations within a multi-access system; performing matched filtering operations to pre-process each of the plurality of communication signals so as to generate pre-processed digitized samples using a priori information contained in pre-ambles (302, 304) of messages present within the plurality of communication signals; using estimated signal parameters to detect the plurality of communication signals from the pre-processed digitized samples; and demodulating the plurality of communication signals without using a Viterbi decoder.


An electronic device may include a speaker, and audio circuitry coupled to the speaker. The audio circuitry may generate digitized samples of an audio waveform signal, and compare each digitized sample of the audio waveform signal to a threshold. The audio circuitry may when a given digitized sample is above the threshold, then apply a compression operation to the given digitized sample and successive digitized samples for a set time period, and when the given digitized sample is below the threshold and not within the set time period, then not apply the compression operation.


Patent
Harris Corporation | Date: 2017-02-01

Method and system for Single Event Latchup (SEL) current surge mitigation involves monitoring data signals for a protected device (106) and deriving from them a detected signature comprised of one or more detected signature vector components. The detected signature vector components are compared to previously stored signature vector components. Based on the comparing, the system selectively differentiates between the occurrence of standard power surges associated with normal operation of the protected device, and a non-standard current surge which requires cycling power of the protected device for continued proper functioning of the protected device.


An optical filter device may include an optical fiber having a core and a cladding surrounding the core, the optical fiber having a tapered portion. The optical filter device may include an index selectable material surrounding the tapered portion and having an index of refraction being selectable based upon a physical characteristic. The optical filter device may include a device configured to change the index selectable material to select the index of refraction to selectively filter out a mode within the optical fiber.


Patent
Harris Corporation | Date: 2017-05-10

Systems and methods for transducer volume bias control. The methods involve: obtaining an audio signal that is to be output from first and second transducers of an electronic device; and dynamically changing spectral content of the audio signal to at least one of the first and second transducers as a transducer volume level increases and decreases. The first transducer is disposed on a first side of the electronic device. The second transducer is disposed on a second side that is different than the first side of the electronic device. The first and second transducers have imbalanced capabilities.


A communications system includes a sender device configured to send data packets in accordance with a Transmission Control Protocol (TCP) to a receiver device. An intermediate device is coupled between the sender device and the receiver device and includes a wireless transceiver configured to provide a communications link between the sender device and the receiver device and wherein said communications link is susceptible to at least one of transmission delays and transmission errors. A controller is coupled to the wireless transceiver and configured to serve as a TCP proxy between the sender device and the receiver device by sending successive simulated TCP acknowledgements of delivery to the sender device starting at a delay time shorter than a TCP retransmission timeout period and increasing for each successive simulated TCP acknowledgement.


Patent
Harris Corporation | Date: 2017-02-28

A satellite system controller for a satellite system can comprise a receiving module, an interval selector, an epoch selector, and a scheduler. The receiving module can receive, from a transmission originator device, a set interval request message requesting the satellite system controller set a transmission interval and an epoch time for a satellite receiver, the transmission interval being an amount of time the satellite receiver is to remain in a sleep mode between expected transmissions and the epoch time being an instant at which the satellite receiver is to expect a satellite transmission. The interval selector can determine, based on the transmission interval, a sleep mode cycle for the satellite receiver. The epoch selector can select the epoch time according to the sleep mode cycle and the scheduler can schedule the satellite transmission with the satellite system at approximately the epoch time and according to the sleep mode cycle.


A medical timing device and method have, in an embodiment, a timer configured to be activated so as to indicate the in-use time of a medical article. The medical timing device is configured to have a lock condition and a timer activation condition. In an embodiment, the medical timing device is operable to cause both the lock condition and the activation condition to occur in response to a single action.


A method of producing hydrocarbons from a subterranean reservoir comprises pre-heating by exposure to electromagnetic radiation from a electromagnetic radiation source, injecting through at least one injection well a solvent into the reservoir to dilute the hydrocarbons contained in the pre-conditioned portion, and producing through at least one production well a mixture of hydrocarbons and solvent. An apparatus for producing hydrocarbons from a subterranean reservoir comprises at least one radio frequency antenna configured to transmit radio frequency energy into a subterranean reservoir, a power source to provide power to the at least one radio frequency antenna, at least one injection well configured to inject a solvent from a solvent supply source into the subterranean reservoir to lower the viscosity of the hydrocarbons, and at least one production well configured to produce a mixture comprising hydrocarbons and solvent from the subterranean reservoir.


An air-to-ground communications system includes at least one base station to be positioned on the ground and including a ground-based transceiver, a phased array antenna coupled to the ground-based transceiver, and a beamforming network coupled to the ground-based transceiver. The ground-based transceiver is configured to provide data traffic and control information to an aircraft. The beamforming network is configured to simultaneously generate at least one narrow antenna beam for the data traffic and at least one wide beam for the control information.

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