Device and method to determine shape of streamer

  • US 10,459,099 B2
  • Filed: 09/07/2012
  • Issued: 10/29/2019
  • Est. Priority Date: 09/22/2011
  • Status: Active Grant
First Claim
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1. A signal generation device comprising:

  • a spool;

    a flexible printed circuit board which surrounds the spool;

    a reference signal generation unit which is disposed on the flexible printed circuit board to generate a reference signal;

    an ultrasonic wave generation unit which surrounds the spool and is in contact with a contact electrode formed on the flexible printed circuit board to be supplied with power to generate an ultrasonic signal, wherein the contact electrode is formed in an area having the same height as that of the reference signal generation unit;

    wherein the flexible printed circuit board includes a main portion which surrounds the spool and a sub portion which is extended from the main portion in a vertical direction; and

    wherein the contact electrode is formed in an area of the main portion where the main portion and the sub portion are connected.

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