Invention Grant
- Patent Title: Signal select in underground line location
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Application No.: US15295897Application Date: 2016-10-17
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Publication No.: US10833901B2Publication Date: 2020-11-10
- Inventor: Stephen John Petherick , George Mainescu , Ion Dracea , Razvan Gabriel Stefanoiu , John Mark Royle
- Applicant: Metrotech Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Metrotech Corporation
- Current Assignee: Metrotech Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Haynes and Boone, LLP
- Main IPC: H04L27/14
- IPC: H04L27/14 ; H04B3/04 ; G01S17/10 ; H04B3/46 ; G01V3/08 ; H01P5/16 ; G01V3/15
Abstract:
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.
Public/Granted literature
- US20170099168A1 SIGNAL SELECT IN UNDERGROUND LINE LOCATION Public/Granted day:2017-04-06
Information query
