Information output device and method

1 . An information output device comprising:

an information output part in which cells, including a predetermined number of information output units configured to be tactilely sensed when upward movement or downward movement occurs in at least one direction, are arranged in a lattice structure;

a selection processor configured to select a plurality of cells to be driven according to information to be output to the information output part;

a first generation processor configured to generate a scheduling plan specifying a driving order for the plurality of cells selected by the selection processor; and

a second generation processor configured to generate a driving signal according to the scheduling plan and transmitting the driving signal to the cells.

2 . The information output device of claim 1 , wherein the first generation processor

sets, from among the plurality of cells selected by the selection processor, a first cell group including cells spaced apart at one-cell intervals and a second cell group including cells excluded from the first cell group, and

generates the scheduling plan to sequentially perform primary driving on each cell of the first cell group and sequentially perform secondary driving on each cell of the second cell group as the primary driving is completed.

3 . The information output device of claim 2 , wherein the first generation processor sets idle periods for cells included in the first cell group and the second cell group as the secondary driving is completed and includes the idle periods in the scheduling plan.

4 . The information output device of claim 1 ,

wherein the first generation processor generates a scheduling plan specifying a driving order for two or more cells that are driven simultaneously among the plurality of cells selected by the selection processor.

5 . The information output device of claim 1 , further comprising

a first determination processor configured to determine whether the information output device is in a first power mode operated by alternating current power or a second power mode operated by direct current power from a battery,

wherein the first generation processor

generates a scheduling plan based on the first power mode or the second power mode.

6 . The information output device of claim 1 , further comprising

a second determination processor configured to determine an information output mode according to type of information to be output to the information output part; and

a conversion processor configured to convert the information into braille information and output a result of the conversion to the selection processor.

7 . The information output device of claim 6 , wherein the second determination processor determines one of a first information output mode in which the type of information is image information, a second information output mode in which the type of information is text information, and a third information output mode in which the type of information is a mixture of image information and text information.

8 . The information output device of claim 7 , wherein the selection processor selects a first cell group corresponding to an active region and a second cell group corresponding to an inactive region, and

the first generation processor generates the scheduling plan to sequentially perform primary driving on each cell of the first cell group and secondary driving on each cell of the second cell group.

9 . An information output device comprising:

an information output part in which information output units, configured to be tactilely sensed when upward movement or downward movement occurs in at least one direction, are arranged;

a selection processor configured to select a plurality of information output units to be driven according to information to be output to the information output part;

a first generation processor configured to generate a scheduling plan specifying a driving order for the plurality of information output units selected by the selection processor; and

a second generation processor configured to generate a driving signal according to the scheduling plan and transmitting the driving signal to the information output unit.

10 . The information output device of claim 9 , wherein the first generation processor

sets the plurality of units selected by the selection processor as a first unit group including information output units spaced apart at one-information-output-unit intervals and a second unit group including units excluded from the first unit group, and

generates the scheduling plan to sequentially perform primary driving on each information output unit of the first unit group and sequentially perform secondary driving on each information output unit of the second unit group as the primary driving is completed.

11 . An information output method comprising:

selecting a plurality of cells to be driven according to information to be output to an information output part in which cells including a predetermined number of information output units configured to be tactilely sensed when upward movement or downward movement occurs in at least one direction are arranged in a lattice structure, by a selection processor;

generating a scheduling plan specifying a driving order for the plurality of cells selected by the selection processor, by a first generation processor; and

generating a driving signal according to the scheduling plan and transmitting the driving signal to the cell, by a second generation processor.

12 . The information output method of claim 11 ,

wherein the generating the scheduling plan comprises:

setting, by the first generation processor, from among the plurality of cells selected by the selection processor, a first cell group including cells spaced apart at one-cell intervals and a second cell group including cells excluded from the first cell group; and

generating, by the first generation processor, the scheduling plan to sequentially perform primary driving on each cell of the first cell group and sequentially perform secondary driving on each cell of the second cell group as the primary driving is completed.

13 . The information output method of claim 12 , further comprising

setting, by the first generation processor, idle periods for cells included in the first cell group and the second cell group as the secondary driving is completed and including the idle periods in the scheduling plan.

14 . The information output method of claim 11 ,

wherein generating the scheduling plan by the first generation processor, comprises

generating a scheduling plan specifying a driving order for two or more cells that are driven simultaneously among the plurality of cells selected by the selection processor.

15 . The information output method of claim 11 , further comprising

determining whether the information output method is in a first power mode operated by alternating current power or a second power mode operated by direct current power from a battery, by a first determination processor; and

generating a scheduling plan based on the first power mode or the second power mode, by the first generation processor.

16 . The information output method of claim 11 , further comprising

determining an information output mode according to type of information to be output to the information output part, by a second determination processor; and

converting the information on the information output mode into braille information and outputs a result of conversion to the selection processor, by a conversion processor.

17 . The information output method of claim 16 , wherein the determining the information output mode by the second determination processor, comprises

determining one of a first information output mode in which the type of information is image information, a second information output mode in which the type of information is text information, and a third information output mode in which the type of information is a mixture of image information and text information.

18 . The information output method of claim 17 , further comprising

selecting a first cell group corresponding to an active region and a second cell group corresponding to an inactive region, by the selection processor; and

generating the scheduling plan to sequentially perform primary driving on each cell of the first cell group and secondary driving on each cell of the second cell group, by the first generation processor.