Chained image display apparatus having mutual examining function
First Claim
1. A chained image display apparatus comprising a plurality of image display apparatuses connected in series and controlled by a central control unit, the chained image display apparatus comprising:
- a control signal driving unit converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level and buffering the control signal having the predetermined level; and
an examining unit transmitting an alert signal, in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating that the power supply to the one image display apparatus is interrupted,wherein the examining unit comprises;
a connection unit receiving a voltage from the previous image display apparatus and supplying a supply voltage to the one image display apparatus to which the power supply was interrupted; and
a switching unit routing the alert signal to the next and previous image display apparatuses in response to the power supply being interrupted.
1 Assignment
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Accused Products
Abstract
A chained image display apparatus having a mutual examining function where a plurality of image display apparatuses, controlled by a central control unit and connected in series, recognize interruption of power to an image display apparatus and correspondingly notify the central control unit. The chained image display apparatus may include a control signal driving unit converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level and buffering the control signal having the predetermined level, and an examining unit transmitting an alert signal, in response to a power supply to an image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the image display apparatus to which the power supply was interrupted, indicating that the power supply to the image display apparatus is interrupted.
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Citations
24 Claims
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1. A chained image display apparatus comprising a plurality of image display apparatuses connected in series and controlled by a central control unit, the chained image display apparatus comprising:
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a control signal driving unit converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level and buffering the control signal having the predetermined level; and an examining unit transmitting an alert signal, in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating that the power supply to the one image display apparatus is interrupted, wherein the examining unit comprises; a connection unit receiving a voltage from the previous image display apparatus and supplying a supply voltage to the one image display apparatus to which the power supply was interrupted; and a switching unit routing the alert signal to the next and previous image display apparatuses in response to the power supply being interrupted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of operating a plurality of image display apparatuses connected in series and controlled by a central control unit, the method comprising:
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converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level, and buffering the control signal having the predetermined level; transmitting an alert signal in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating the power supply to the one image display apparatus was interrupted; receiving a voltage from the previous image display apparatus and supplying a supply voltage to the one image display apparatus to which the power supply was interrupted; and routing the alert signal through a switching unit to the next and previous image display apparatuses in response to the power supply being interrupted. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A system comprising a plurality of image display apparatuses connected in series and controlled by a central control unit, the system comprising:
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a control signal driving unit converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level and buffering the control signal having the predetermined level; and an examining unit transmitting an alert signal, in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating that the power supply to the one image display apparatus is interrupted, wherein the next and previous image display apparatuses, receiving the alert signal output from the examining unit, transmit the alert signal to the central control unit. - View Dependent Claims (17, 18, 19, 20)
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21. A system comprising a plurality of image display apparatuses connected in series and controlled by a central control unit, the system comprising:
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a control signal driving unit converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level and buffering the control signal having the predetermined level; and an examining unit transmitting an alert signal, in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating that the power supply to the one image display apparatus is interrupted, wherein the examining unit comprises; a connection unit receiving a voltage from the previous image display apparatus and supplying a supply voltage to the one image display apparatus to which the power supply was interrupted; and a switching unit routing the alert signal to the next and previous image display apparatuses in response to the power supply being interrupted. - View Dependent Claims (22, 23)
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24. A machine readable storage medium storing a program for performing a method of operating a plurality of image display apparatuses connected in series and controlled by a central control unit, the method comprising:
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converting a control signal inputted to the image display apparatuses into a control signal having a predetermined level, and buffering the control signal having the predetermined level; transmitting an alert signal in response to a power supply to one image display apparatus among the plurality of image display apparatuses being interrupted, to next and previous image display apparatuses which are connected to the one image display apparatus to which the power supply was interrupted, indicating the power supply to the one image display apparatus was interrupted; and receiving a voltage from the previous image display apparatus and supplying a supply voltage to the one image display apparatus to which the power supply was interrupted; and routing the alert signal through a switching unit to the next and previous image display apparatuses in response to the power supply being interrupted.
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Specification