Granted Patent B2

US 10,171,181 · App. 15/081,627 · Granted Jan 1, 2019

Abstract

Claims (59)

1. A system to perform seismic exploration in an aqueous medium, comprising:

a detector to provide an indication to a wake-up system to turn on one or more of a storage and control system, a sensor, or an optical transmitter;

the wake-up system, in response to the indication from the detector, operational to:

identify an optical communication link established via the optical transmitter through the aqueous medium;

determine a quality control parameter of the optical communication link; and

validate, based on the quality control parameter the optical communication link established via the optical transmitter through the aqueous medium; and

the storage and control system operational to cause the optical transmitter to transmit, via the optical communication link validated by the wake-up system, data indicative of a parameter sensed by the sensor.

2. The system of claim 1 , comprising:

the detector comprising a photodetector to detect light and provide the indication to the wake-up system responsive to detection of the light.

3. The system of claim 1 , comprising:

the detector comprising a motion detector to detect motion and provide the indication to the wake-up system responsive to detection of the motion.

4. The system of claim 1 , comprising:

the detector comprising an acoustic detector to detect sound and provide the indication to the wake-up system responsive to detection of the sound.

5. The system of claim 1 , comprising:

the detector comprising at least one of a motion detector, a magnetic detector or a proximity detector.

6. The system of claim 1 , comprising:

the wake-up system operational to communicate, responsive to the indication, with the storage and control system to provide power from a power source to an extraction system to extract the data, and provide power to the optical transmitter to transmit the data.

7. The system of claim 1 , comprising:

the wake-up system operational to turn on, responsive to the indication, at least one of the sensor, the storage and control system, or the optical transmitter.

8. The system of claim 1 , comprising:

the wake-up system operational to validate the optical communication link using a handshaking protocol.

9. The system of claim 1 , comprising:

the wake-up system configured to:

evaluate a bit error of the optical communication link; and

validate, responsive to evaluation of the bit error, the optical communication link.

10. The system of claim 1 , comprising:

the wake-up system configured to:

establish the optical communication link with a remote device;

transmit a first optical signal having a first data rate to the remote device;

evaluate a bit error of the first optical signal; and

provide an indication to adjust an automatic gain control responsive to evaluation of the bit error.

11. The system of claim 1 , comprising:

the wake-up system configured to:

evaluate a bit error of the optical communication link; and

increase, responsive to evaluation of the bit error, a data rate of the optical communication link.

12. The system of claim 1 , comprising:

the sensor comprising a 3-axis sensor configured to identify a change in the orientation and provide data indicative of the change to the storage and control system.

13. The system of claim 1 , comprising:

the power source configured to convert at least one of light energy, wave energy, or acoustic energy to electricity to power at least one of the detector, the wake-up system, the storage and control system, the optical transmitter, or the sensor.

14. The system of claim 1 , comprising:

an ocean bottom seismometer (“OBS”) unit, wherein the OBS unit includes the detector, the wake-up system, the sensor, the storage and control system, and the optical transmitter.

15. The system of claim 1 , comprising:

the optical transmitter operational to convert the data from a first format into a second format configured for transmission via at least one of an optical signal, a radio frequency signal, or an electrical signal via a cable.

16. A method of performing seismic exploration in an aqueous medium, comprising:

providing, by a detector, an indication to a wake-up system to turn on one or more of a storage and control system, a sensor, or an optical transmitter;

identifying, by the wake-up system responsive to the indication from the detector, an optical communication link established via the optical transmitter through the aqueous medium;

determining, by the wake-up system responsive to identifying the optical communication link, a quality control parameter of the optical communication link; and

validating, by the wake-up system based on the quality control parameter, the optical communication link established via the optical transmitter through the aqueous medium; and

communicating, by the storage and control system, with the optical transmitter to transmit, via the optical communication link validated by the wake-up system, data indicative of a parameter sensed by the sensor.

17. The method of claim 16 , wherein the detector comprises a photodetector, comprising:

detecting, by the photodetector, light; and

providing, by the photodetector, the indication to the wake-up system responsive to detecting the light.

18. The method of claim 16 , comprising:

validating, by the wake-up system, the optical communication link using a handshaking protocol.

19. The method of claim 16 , comprising:

evaluating, by the wake-up system, a bit error of the optical communication link; and

validating, by the wake-up system responsive to the evaluating the bit error, the optical communication link.

20. The method of claim 16 , comprising:

providing an ocean bottom seismometer (“OBS”) unit comprising the detector, the wake-up system, the sensor, the storage and control system, and the optical transmitter.

Assignments (8)

Cited By (1)

US 12,571,930