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Mojix Inc patents


Recent patent applications related to Mojix Inc. Mojix Inc is listed as an Agent/Assignee. Note: Mojix Inc may have other listings under different names/spellings. We're not affiliated with Mojix Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Mojix Inc-related inventors


Systems and methods for detecting patterns in spatio-temporal data collected using an rfid system

Systems and methods are described that collect spatio-temporal data using an rfid system that is capable of locating the spatial position of a sensor, which is typically unaware of its location. Such systems and methods can be contrasted with conventional rfid systems in that they are able to determine the location of sensors in space as opposed to with respect to read zones related to the underlying rfid reader infrastructure. ... Mojix Inc

Collision detection using a multiple symbol noncoherent soft output detector

Systems and methods for detecting collisions in radio frequency tags in accordance with embodiments of the invention are disclosed. In one embodiment, a receiver system includes a receiver configured to receive and sample a phase modulated input signal, and a multiple symbol noncoherent soft output detector configured to receive the sampled input signal and to generate a soft metric indicative of the reliability of a detected symbol based upon observations over multiple symbols, a collision detector configured to calculate a decision metric from a set of soft metrics generated by the multiple symbol noncoherent soft output detector and detect a collision when the decision metric satisfies a predetermined criterion.. ... Mojix Inc

Methods for recovering rfid data based upon probability using an rfid receiver

Rfid data signals from rfid tags may be recovered by determining the probabilities of transitions between data states between a series of a pairs of signal samples using a set of predetermined probabilities related to data, timing, baud rate and/or phase variables affecting the received signal and processing those determined probabilities to determine the sequence of such transitions that has the highest probability of occurrence. A second set of predetermined probabilities related to transitions in the opposite direction may be used to sequence in a reverse direction. ... Mojix Inc

Multiple symbol noncoherent soft output detector

Multiple symbol noncoherent soft output detectors in accordance with embodiments of the invention are disclosed. In a number of embodiments, the multiple symbol noncoherent soft output detector uses soft metrics based on the log likelihood ratio (llr) of each symbol to provide information concerning the reliability of each detected symbol. ... Mojix Inc

Systems and methods for secure supply chain management and inventory control

Systems for encoding and reading rfid tags on a collection of items are shown. One embodiment of the invention includes a plurality of items, where each item possesses an item identifier string, and a plurality of rfid tags, where an rfid tag is affixed to each of the items and each rfid tag is encoded with a code word element generated using at least all of the item identifier strings. ... Mojix Inc

Rfid systems using distributed exciter network

Rfid systems are disclosed that include at least one rfid receiver system and a distributed exciter architecture. Exciters can be connected via wired and/or wireless connections to the rfid receiver system, which can control activation of the exciters to detect the presence of rfid tags within interrogation spaces defined by the exciter topology. ... Mojix Inc

Location estimation and tracking for passive rfid and wireless sensor networks using mimo systems

Systems and methods for location estimation and tracking for passive rfid and wireless sensor networks in accordance with embodiments of the invention are disclosed. In one embodiment, a process for obtaining location information using an rfid reader system includes transmitting a combined interrogation and ranging signal from a plurality of antennas, where the ranging signal is a pseudorandom signal, receiving a backscattered return signal from an rfid tag at one or more receive antennas, extracting an information signal from the return signal and decoding the information signal to obtain rfid tag data, extracting a received ranging signal from the return signal, and estimating a range to the rfid tag based upon correlation between the ranging signal and the received ranging signal.. ... Mojix Inc

Rfid beam forming system

A multi-protocol, multi-band array antenna system may be used in radio frequency identification (rfid) system reader and sensory networks. The antenna array may include array elements with an integrated low noise amplifier. ... Mojix Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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