UNDERWATER COMMUNICATION APPARATUS AND METHOD

• US 20130330083A1
• Filed: 01/18/2013
• Published: 12/12/2013
• Est. Priority Date: 01/18/2012
• Status: Abandoned Application

• Current Assignee: Korea Advanced Institute of Science and Technology
• Original Assignee: Korea Advanced Institute of Science and Technology
• Inventors: CHOI, Won Jun, LEE, Jung Il, SONG, Jin-Dong, HAN, Il Ki
• Application Number:
  US13/744,564
• Publication Number:
  US 20130330083A1
• Time in Patent Office: Days
• US Class Current: 398/104
• CPC Class Codes: H04B 10/80 Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
• CPC Class Codes: H04B 13/02 Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy

Abstract

An underwater communication apparatus for performing an optical communication with an external device under water includes: a current control unit that modulates first data to be transmitted to the external device into a first current; and a light transmitting unit that transmits light with a wavelength of 450 to 500 nm corresponding to the first current to the external device.

Claims

1. An underwater communication apparatus for performing an optical communication with an external device under water, the underwater communication apparatus comprising:

a current control unit that modulates first data to be transmitted to the external device into a first current; and

a light transmitting unit that transmits light with a wavelength of 450 to 500 nm corresponding to the first current to the external device.

2. The underwater communication apparatus of claim 1, wherein the first data comprises at least one of image data, voice data, and text data.

3. The underwater communication apparatus of claim 1, further comprising a data transmitting unit that transmits the first data to the current control unit,

wherein the data transmitting unit comprises at least one of a microphone, a camera, a text input device, a body information collecting device, and an environment information collecting device.

4. The underwater communication apparatus of claim 1, wherein the light transmitting unit comprises a light-emitting diode (LED).

5. The underwater communication apparatus of claim 1, wherein the light transmitting unit transmits light having a longer wavelength as a transparency of a water adjacent to the underwater communication apparatus is reduced.

6. An underwater communication apparatus for performing an optical communication with an external device under water, the underwater communication apparatus comprising:

a light detecting unit that detects light with a wavelength of 450 to 500 nm received from the external device and generates a second current; and

a current control unit that demodulates the second current into second data.

7. The underwater communication apparatus of claim 6, wherein the second data comprises at least one of image data, voice data, and text data.

8. The underwater communication apparatus of claim 6, further comprising a data reproducing unit that reproduces the second data,

wherein the data reproducing unit comprises at least one of a speaker and a display unit.

9. The underwater communication apparatus of claim 6, wherein the light received from the external device comprises light-emitting diode (LED) light.

10. The underwater communication apparatus of claim 6, further comprising a control unit that detects a direction in which the light is received from the external device and obtains position information of the external device.

11. An underwater communication method of performing an optical communication with an external device under water, the underwater communication method comprising:

modulating first data to be transmitted to the external device into a first current; and

transmitting light with a wavelength of 450 to 500 nm corresponding to the first current to the external device.

12. The underwater communication method of claim 11, wherein the first data comprises at least one of image data, voice data, and text data.

13. The underwater communication method of claim 11, wherein the light comprises light-emitting diode (LED) light.

14. The underwater communication method of claim 11, wherein the transmitting of the light to the external device comprises transmitting light having a longer wavelength as a transparency of a water adjacent to an underwater communication apparatus is reduced.

20. A computer-readable recording medium having embodied thereon a program for executing the underwater communication method of claim 11.

15. An underwater communication method of performing an optical communication with an external device under water, the underwater communication method comprising:

detecting light with a wavelength of 450 to 500 nm received from the external device and generating a second current; and

demodulating the second current into second data.

16. The underwater communication method of claim 15, wherein the second data comprises at least one of image data, voice data, and text data.

17. The underwater communication method of claim 15, further comprising transmitting the second data to at least one of a speaker and a display unit.

18. The underwater communication method of claim 15, wherein the light received from the external device comprises light-emitting diode (LED) light.

19. The underwater communication method of claim 15, further comprising detecting a direction in which the light is received from the external device and obtaining position information of the external device.