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Metrotech Corporation patents


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

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


Systems and methods for object detection

A detection apparatus with a self-test is presented. A detection apparatus such as a cable locator has an array of sensors in the form of ferrite antennas to detect an electromagnetic field produced by an object such as a buried cable. ... Metrotech Corporation

Camera skid

In some embodiments, a camera skid is presented. The camera skid includes a body into which a camera can be inserted; and a front portion received into the body, the front portion including a lip that contacts a face of the camera.. ... Metrotech Corporation

Auto-locate operation

In accordance with some embodiments, a system includes a line locator and a device configured to communicate through an internet with a server also coupled to the internet. Furthermore, a plurality of line locate transmitters are distributed geographically and configured to communicate through the internet with the server. ... Metrotech Corporation

System and method for locating underground lines using antenna and positioning information

A system and method of for underground line location includes an underground line locator. The underground line locator includes an antenna system configured to generate signal information based on a proximity and an orientation of an underground line relative to the antenna system, a positioning system configured to generate position information based on the location of the underground line locator, and a controller coupled to the antenna system and the positioning system. ... Metrotech Corporation

Signal select in underground line location

A transmitter and receiver for performing a signal select algorithm are provided. A transmitter for providing a signal on a line to be located includes at least one direct digital synthesizer, the direct digital synthesizer producing two component frequencies in response to an input square wave signal; and a feedback loop providing the input square wave.. ... Metrotech Corporation

System and method for locating a marker using a locator with multiple transmitters

A system and method of for estimating the depth of a marker may include a marker locator. The marker locator may include a first transmitter that generates a first activation signal, second transmitter that generates a second activation signal, a receiver that detects first and second response signals, and a processor that determines a depth of a marker based on the first and second response signals. ... Metrotech Corporation

Signal processing for a cable locating instrument

In accordance with some embodiments, a method and apparatus for providing both a low-pass filter value and a high-pass filter value is presented. The combined filter receives an input value into a half-band finite impulse response (fir) filter with an odd number of taps labeled 0 through n with corresponding filter coefficients labeled 0 through n where odd numbered filter coefficients are zero, the fir filter providing a filter value. ... Metrotech Corporation








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