Apparatus for inputting and detecting a display data channel in manufacturing a monitor

• US 6,864,859 B1
• Filed: 03/30/1999
• Issued: 03/08/2005
• Est. Priority Date: 03/30/1998
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Ho, Jae-ick
• Primary Examiner(s): Wu, Xiao
• Assistant Examiner(s): Nguyen, Kevin M.
• Application Number:
  US09/280,541
• Time in Patent Office: 2,170 Days
• Field of Search: 345 1- 3, 382/229, 382/313, 382/312, 235/462.15, 702/22
• US Class Current: 345/1.1
• CPC Class Codes: G09G 2370/047 using display data channel standard [DDC] communication
• CPC Class Codes: G09G 3/006 Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092

Abstract

An apparatus, process, and method for inputting and detecting a display data channel by which data relating to a monitor is transmitted to a computer in manufacturing a monitor. The present invention includes an input device which has an automatic signal supplying element for inputting the display data channel for the monitor in a facilities for manufacturing the monitor; a driving device for driving the inputting device by a predetermined electric signal; an interfacing section for outputting a same voltage signal as an initial signal, which is switched at a different time according to a result of the input to the display data channel; and a determining device for generating a predetermined electrical signal to control the driving device and for analyzing an output signal from the interfacing section to determine whether or not the display data channel is normally input into the computer.

Claims

1. An apparatus, comprising:

an inputting device inputting a display data channel of a monitor into a computer;

a driving device driving the inputting device with a predetermined electric signal;

an interfacing section indicating whether the display data channel of the monitor is inputted into the computer and outputting a voltage signal reflective of an originally inputted voltage signal, the outputted voltage signal is switched at a different time according to a result of inputting the display data channel; and

a controller for controlling the driving device by generating the predetermined electric signal, for analyzing the output signal from the interfacing section, and for determining whether or not the result of inputting the display data channel is correct.

2. An apparatus as claimed in claim 1, wherein the inputting device includes a mouse.

3. An apparatus as claimed in claim 1, wherein the inputting device includes a scanner.

4. An apparatus as claimed in claim 1, wherein the controller for the controlling and determining includes a programmable logic controller.

5. An apparatus as claimed in claim 1, wherein the inputting device includes a mouse and a scanner and further comprises a switch to select one of the mouse and the scanner.

6. An apparatus, comprising:

an inputting device inputting a display data channel of a monitor into a computer;

a driving device driving the inputting device with a predetermined electric signal;

an interfacing section indicating whether the display data channel of the monitor is inputted into the computer and outputting a voltage signal reflective of an originally inputted voltage signal, which is switched at a different time according to a result of inputting the display data channel; and

a controller for controlling the driving device by generating the predetermined electric signal, for analyzing the output signal from the interfacing section, and for determining whether or not the result of inputting the display data channel is correct,

wherein the interfacing section comprises;

a Zener diode connected with a pin of the display data channel, the display data channel connects the computer and the monitor;

a transistor having a base connected to an output terminal of the Zener diode and being turned-on and turned-off according to a presence of the display data channel;

a relay including a relay coil magnetized when the transistor is turned-on and a first and second relay switches turned-on when the transistor is turned-off; and

a light emitting diode for emitting light when the first relay switch is turned-on to identify the inputting of the display data channel.

7. An apparatus, comprising:

an inputting device inputting a display data channel of a monitor into a computer;

a driving device driving the inputting device with a predetermined electric signal;

an interfacing section indicating whether the display data channel of the monitor is inputted into the computer and outputting a voltage signal reflective of an originally inputted voltage signal, which is switched at a different time according to a result of inputting the display data channel; and

a controller for controlling the driving device by generating the predetermined electric signal, for analyzing the output signal from the interfacing section, and for determining whether or not the result of inputting the display data channel is correct,

wherein after the display data channel is inputted into the computer and the interfacing section outputs a high frequency signal, the controller determines that the display data channel is normally inputted into the computer if the interfacing section outputs the same signal as the initial signal at a first time, and after the interfacing section continues to output the high frequency signal for a predetermined times after the first time, the controller determines that the display data channel is abnormally inputted into the computer if the interfacing section outputs the same signal as the initial signal at a second time.

8. An apparatus as claimed in claim 7, wherein the first time is in a range of 750 milliseconds to 1.5 seconds, and the second time is in a range of 3.5 seconds to 4.5 seconds.

9. An apparatus as claimed in claim 7, wherein when the display data channel is abnormally inputted into the computer, the controller for the controlling and determining raises an alarm by an alarm generating device.

10. An apparatus, comprising:

an inputting device inputting a display data channel of a monitor into a computer;

a driving device driving the inputting device with a predetermined electric signal;

an interfacing section indicating whether the display data channel of the monitor is inputted into the computer and outputting a voltage signal reflective of an originally inputted voltage signal, which is switched at a different time according to a result of inputting the display data channel; and

a controller for controlling the driving device by generating the predetermined electric signal, for analyzing the output signal from the interfacing section, and for determining whether or not the result of inputting the display data channel is correct,

wherein the driving device includes a relay switch, the relay switch is in parallel connection to a contact point for inputting the display data channel of the inputting device and the relay coil magnetized by the predetermined electric signal to operate the relay switch.

11. An apparatus as claimed in claim 10, wherein after a controlling and detecting signal for the monitor is supplied, the controller for the controlling and detecting magnetizes the relay coil and turns-on the relay switch at a predetermined time thereafter to input the display data channel into the monitor.

12. A method, comprising:

inputting a display data channel to a monitor by an inputting device;

driving said inputting device with a predetermined electric signal by a driving device;

indicating whether said display data channel of said monitor is inputted into said computer and outputting a signal according to a result of said inputting by an interfacing section, said interfacing section outputting a voltage signal reflective of an originally inputted voltage signal, which is switched at a different time according to a result of inputting the display data channel;

controlling said driving device by generating said predetermined electric signal;

analyzing said output signal from said interfacing section; and

determining whether said result of said inputting said display data channel is correct.

13. A method as claimed in claim 12, with said inputting device including a mouse.

14. A method as claimed in claim 12, with said inputting device including a scanner.

15. A method as claimed in claim 12, with said controlling and determining including a programmable logic controller.

16. A method, comprising:

inputting a display data channel to a monitor by an inputting device;

driving said inputting device with a predetermined electric signal by a driving device;

indicating by an interfacing section, whether said display data channel of said monitor is inputted into said computer and outputting by said interfacing section, a signal according to a result of said inputting said display data channel;

controlling said driving device by generating said predetermined electric signal;

analyzing said output signal from said interfacing section; and

determining whether said result of said inputting said display data channel is correct,

with said controlling and determining including a programmable logic controller,

with said programmable logic controller magnetizes a relay coil of said driving device and turns-on a relay switch of said driving device to input said display data channel to said monitor.

17. A method, comprising:

inputting a display data channel to a monitor by an inputting device;

driving said inputting device with a predetermined electric signal by a driving device;

indicating whether said display data channel of said monitor is inputted into said computer and outputting a signal according to a result of said inputting said display data channel by an interfacing section;

controlling said driving device by generating said predetermined electric signal;

analyzing said output signal from said interfacing section; and

determining whether said result of said inputting said display data channel is correct,

with said interfacing section comprising;

connecting a Zener diode between a display data channel pin and a transistor of said interfacing section;

turning on and off a transistor according to a presence of said display data channel connecting said transistor having a base to an output terminal of said Zener diode;

magnetizing a coil of a relay when the transistor is turned-on and first and second relay switches turned-on when said transistor is turned-off; and

emitting light by a light emitting diode when said first relay switch is turned-on to identify said inputting of said display data channel.

18. A method as claimed in claim 17, with said inputting device including a mouse and a scanner and further comprising a switch to select one of said mouse and said scanner.

19. A method, comprising:

inputting a display data channel to a monitor by an inputting device;

driving said inputting device with a predetermined electric signal by a driving device;

indicating whether said display data channel of said monitor is inputted into said computer and outputting a signal according to a result of said inputting said display data channel by an interfacing section;

controlling said driving device by generating said predetermined electric signal;

analyzing said output signal from said interfacing section; and

determining whether said result of said inputting said display data channel is correct,

with said determining step determines that said display data channel is normally input into said computer if said interfacing section outputs a same high frequency signal as originally input as said predetermined electric signal at a first time; and

said determining step determines that said display data channel is abnormally input into said computer after said interfacing section continues to output said high frequency signal at a second time.

20. A method as claimed in claim 19, with said first time being in a range of 750 milliseconds to 1.5 seconds, and said second time is in a range of 3.5 seconds to 4.5 seconds.