SIGNAL INFORMATION TRANSMITTING DEVICES AND SIGNAL INFORMATION TRANSMITTING METHODS

• US 20120182158A1
• Filed: 01/10/2012
• Published: 07/19/2012
• Est. Priority Date: 01/17/2011
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: LEE, Seok-Jin
• Granted Patent: US 8,599,042 B2
• Time in Patent Office: Days
• US Class Current: 340/907
• CPC Class Codes: G08G 1/095 Traffic lights

Abstract

Provided are a signal information transmitting device and a signal information transmitting method. The method includes detecting sections for which current flows through signal lines of a target device and generating detect signals according to the current flow detection result; detecting sections for which switches are turned on and generating switch signals according to the switch detection result; mapping the detect signals with the switch signals according to overlapping sections between active sections of the detect signals and active sections of the switch signals; and transmitting information on the detect signals according to the mapping result.

Claims

1. A signal information transmitting method, comprising:

detecting sections for which current flows through signal lines of a target device and generating detect signals according to the current flow detection result;

detecting sections for which switches are turned on and generating switch signals according to the switch detection result;

mapping the detect signals with the switch signals according to overlapping sections between active sections of the detect signals and active sections of the switch signals; and

transmitting information on the detect signals according to the mapping result.

2. The signal information transmitting method of claim 1, wherein the mapping of the detect signals with the switch signals comprises mapping a switch signal with a specific detect signal in response to switch signals generated during a learning mode, the switch signal having the longest overlapping active section with an active section of the specific detect signal.

3. The signal information transmitting method of claim 1, wherein the transmitting of the detect signals comprises transmitting information regarding an active section of a detect signal mapped with a specific switch signal.

4. The signal information transmitting method of claim 3, wherein the transmitting of the information on the detect signals comprises transmitting an error message when the mapped detect signal is not activated during an active section thereof.

5. The signal information transmitting method of claim 1, further comprising transmitting position information.

6. The signal information transmitting method of claim 1, wherein the target device comprises a traffic light.

7. The signal information transmitting method of claim 6, wherein the signal lines are control lines controlling lamps of the traffic light.

8. A signal information transmitting device comprising:

a plurality of current detectors configured to activate detect signals according to whether current is detected or not;

a plurality of switches configured to activate switch signals when turned on; and

a signal processing unit configured to map the detect signals with the switch signals during a learning mode,

wherein the signal processing unit transmits information on the detect signals according to the mapping result during an operating mode.

9. The signal information transmitting device of claim 8, wherein the signal processing unit maps a switch signal with a specific detect signal during the learning mode, the switching signal having the longest overlapping active section with an active section of the specific detect signal.

10. The signal information transmitting device of claim 8, wherein the signal processing unit transmits information regarding an active section of a detect signal mapped with the specific switch signal during the operating mode.

11. The signal information transmitting device of claim 10, wherein the signal processing unit outputs an error message when the mapped detect signal is not activated in an active section thereof during the operating mode.

12. The signal information transmitting device of claim 8, wherein the signal processing unit further transmits position information during the operating mode.