Optical communication transmitting apparatus and receiving apparatus

• US 10,116,431 B2
• Filed: 07/27/2017
• Issued: 10/30/2018
• Est. Priority Date: 01/27/2015
• Status: Expired due to Fees

• Current Assignee: Kuang-Chi Intelligent Photonic Technology Ltd. (Kuang-Chi Technologies Co., Ltd.)
• Original Assignee: Kuang-Chi Intelligent Photonic Technology Ltd. (Kuang-Chi Technologies Co., Ltd.)
• Inventors: Liu, Ruopeng, Huang, Weizi, Xu, Weicheng, Fan, Linyong, Pan, Zhiwei
• Primary Examiner(s): Dobson, Daniel
• Assistant Examiner(s): Sanchez, Dibson
• Application Number:
  US15/661,082
• Publication Number:
  US 20170324539A1
• Time in Patent Office: 460 Days
• Field of Search: 398182
• CPC Class Codes: H04B 10/116 Visible light communication
• CPC Class Codes: H04B 10/118 specially adapted for satellite communication
• CPC Class Codes: H04B 10/50 Transmitters
• CPC Class Codes: H04B 10/516 Details of coding or modulation
• CPC Class Codes: H04B 10/58 Compensation for non-linear transmitter output
• CPC Class Codes: H04B 10/66 Non-coherent receivers, e.g. using direct detection
• CPC Class Codes: H04L 7/0075 with photonic or optical means

Abstract

The present application relates to an optical communication transmitting apparatus and receiving apparatus. The optical communication transmitting apparatus includes: an encoder, configured to encode and shunt an input signal, to generate multiple synchronous encoded signals; a driver, configured to amplify the multiple encoded signals, to generate multiple drive signals; and multiple light sources, configured to generate multiple synchronous optical signals when driven by the multiple drive signals. The optical communication transmitting apparatus and receiving apparatus provided in the present application make full use of advantages of visible light communication, achieving a rapid communication speed and high security.

Claims

1. An optical communication transmitting apparatus, comprising:

an encoder, configured to encode and shunt an input signal, to generate multiple synchronous encoded signals;

a driver, configured to amplify the multiple encoded signals, to generate multiple drive signals; and

multiple light sources, configured to generate multiple synchronous optical signals when driven by the multiple drive signals;

wherein the encoder is configured to execute program instructions, wherein the program instructions comprise;

performing analog-to-digital conversion and encoding on the input signal, converting the input signal to an encoded signal, and converting the encoded signal to the multiple synchronous encoded signals;

wherein the encoder comprises a multistage NOT-gate cascade structure;

wherein each encoded signal passes through the same number of NOT gates from an input end of a first-stage NOT gate to an input end of a corresponding NOT gate of a last-stage NOT gate in the encoder;

wherein the number of Kth-stage NOT gates is greater than that of K−

1th-stage NOT gates in the encoder, each NOT gate in the K−

1th-stage NOT gates is connected to at least one NOT gate in the Kth-stage NOT gates, and K is an integer greater than 2.

2. The optical communication transmitting apparatus according to claim 1, wherein the program instructions further comprise:

amplifying the input signal;

converting the input signal to a digital signal; and

encoding the digital signal, to generate the encoded signal.

3. The optical communication transmitting apparatus according to claim 1, wherein the optical communication transmitting apparatus is a photon card, and the photon card further comprises:

a housing;

a circuit board fitted inside the housing; and

the encoder, the driver, and the light sources are arranged on the circuit board;

wherein the photon card is configured to collect a fingerprint from a surface of the housing and the circuit board is configured to drive the light sources to emit a light beam that carries user identity information.

4. The optical communication transmitting apparatus according to claim 3, wherein an indicator light is welded on the circuit board to indicate a working status of the photon card.

5. The optical communication transmitting apparatus according to claim 1, wherein the photon card is further configured to collect location information of the optical communication transmitting apparatus and transmit the location information.

6. The optical communication transmitting apparatus according to claim 5, wherein the photon card is further configured to generate a distress signal and transmit the distress signal.