1. A multi viewer display comprising:
a display unit comprising a plurality of pixels;
an image receiver which receives a plurality of image signals;
a signal processor which processes the plurality of image signals to allot and display the plurality of received image signals for each pixel of the display unit corresponding to a plurality of viewers; and
an optical angle converter which changes displayed light of the image signal displayed in each pixel of the display unit to be within a viewing angle range of each respective viewer among the plurality of viewers by changing a refraction of the displayed light.
2. The multi viewer display according to claim 1, wherein the optical angle converter comprises a liquid lens comprising a liquid that changes a photorefractive index according to an applied voltage.
3. The multi viewer display according to claim 1, wherein the optical angle converter comprises a polarization switch which sequentially converts a polarizing direction of incident light according to an applied voltage.
4. The multi viewer display according to claim 2, wherein the voltage applied to the optical angle converter is applied to pixels of the display unit by row or column.
5. The multi viewer display according to claim 3, wherein the voltage applied to the optical angle converter is applied to pixels of the display unit by row or column.
6. The multi viewer display according to claim 3, wherein the optical angle converter further comprises a birefringent element which transmits or refracts light in the polarizing direction of the light that has transmitted the polarization switch.
7. The multi viewer display according to claim 1, wherein the optical angle converter further comprises a lenticular lens corresponding to at least one pixel.
8. The multi viewer display according to claim 1, further comprising a viewer location detector which detects a location of the viewer.
9. The multi viewer display according to claim 8, wherein the optical angle converter changes the displayed light based on the detected location of the viewer.
10. The multi viewer display according to claim 1, wherein the plurality of image signals is allotted to alternating rows or columns of the pixels of the display unit.
11. The multi viewer display according to claim 10, wherein the plurality of image signals in the same row or column is separately displayed.
12. The multi viewer display according to claim 1, wherein the viewing angle range of the viewers is preset.
13. The multi viewer display according to claim 1, wherein the viewing angle range of the plurality of viewers does not overlap one another.
14. The multi viewer display according to claim 8, wherein the viewing angle range of the viewers is set on the basis of the detected location of the viewer.
15. The multi viewer display according to claim 12, further comprising a user interface (UI) generator which generates a UI for guiding the location of the viewer according to the set viewing angle range.
16. The multi viewer display according to claim 14, further comprising a user interface (UI) generator which generates a UI for guiding the location of the viewer according to the set viewing angle range.
17. The multi viewer display according to claim 1, wherein two adjacent pixels receive left eye image information and right eye image information with respect to one 3D image signal.
18. The multi viewer display according to claim 2, wherein the optical angle converter receives a uniform voltage to display single image information for a single viewer.
19. A displaying method of a multi viewer display comprising:
receiving a plurality of image signals;
processing the plurality of image signals to allot and display the plurality of received image signals in each pixel of a display unit corresponding to a plurality of viewers; and
changing displayed light of the image signals displayed in each pixel of the display unit to be within a viewing angle range of each respective viewer among the plurality of viewers by changing a refraction of the displayed light.
20. The displaying method according to claim 19, further comprising transmitting or refracting the changed displayed light in a polarizing direction.
21. The displaying method according to claim 19, further comprising detecting a location of the viewer.
22. The displaying method according to claim 21, wherein the changing is performed on the basis of the detected location of the viewer.
23. The displaying method according to claim 19, wherein the processing comprises allotting the plurality of image signals to alternating rows or columns of the pixels of the display unit.
24. The displaying method according to claim 23, wherein the plurality of image signals in the same row or column is separately displayed.
25. The displaying method according to claim 19, wherein the viewing angle range of the viewers is preset.
26. The displaying method according to claim 19, wherein the viewing angle range of the plurality of viewers does not overlap one another.
27. The displaying method according to claim 21, wherein the viewing angle range of the viewers is set on the basis of the detected location of the viewer.
28. The displaying method according to claim 25, further comprising a user interface (UI) generator which generates a UI for guiding the location of the viewer according to the set viewing angle range.
29. The displaying method according to claim 27, further comprising a user interface (UI) generator which generates a UI for guiding the location of the viewer according to the set viewing angle range.
30. The displaying method according to claim 19, wherein two adjacent pixels receive left eye image information and right eye image information with respect to one 3D image signal.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of calculating a backup battery capacity requirement for an alarm system, the method comprising:
receiving user inputs at a computer aided drawing system, the user inputs specifying a first alarm appliance and a second alarm appliance, the user inputs specifying an electrical connection between the first alarm appliance and the second alarm appliance;
receiving a first supervisory mode current drain associated with the first alarm appliance, a first alarm mode current drain associated with the first alarm appliance, a second supervisory mode current drain associated with the second alarm appliance, and a second alarm mode current drain associated with the second alarm appliance;
adding the first supervisory mode current drain and the second supervisory mode current drain to a plurality of supervisory mode current drains to create a sum of supervisory mode current drains;
adding the first alarm mode current drain and the second alarm mode current drain to a plurality of alarm mode current drains to create a sum of alarm mode current drains;
multiplying the sum of supervisory mode current drains by a first predefined constant indicative of a number of hours to create a supervisory mode capacity;
multiplying the sum of alarm mode current drains by a second predefined constant indicative of a number of minutes to create an alarm mode capacity;
adding the supervisory mode capacity and the alarm mode capacity to create a combined capacity; and
multiplying the combined capacity by a third predefined constant to create the backup battery capacity requirement for the alarm system.
2. A method as defined in claim 1, wherein the first predefined constant is a number between twenty-three and twenty-five.
3. A method as defined in claim 1, wherein the first predefined constant is twenty-four.
4. A method as defined in claim 1, wherein the second predefined constant is a number between three and seven.
5. A method as defined in claim 1, wherein the second predefined constant is five.
6. A method as defined in claim 1, wherein the third predefined constant is a number between 1.0 and 1.4.
7. A method as defined in claim 1, wherein the third predefined constant is 1.2.
8. A method as defined in claim 1, wherein receiving user inputs at a computer aided drawing system comprises receiving a drag-and-drop command from a mouse indicative of moving the first alarm appliance from a palette to a drawing area.
9. A method as defined in claim 1, wherein the first alarm appliance comprises a fire alarm appliance.
10. A method as defined in claim 1, wherein the first alarm appliance comprises one of a smoke detector, a carbon-dioxide detector, and a fire alarm siren.
11. A method as defined in claim 1, wherein receiving a first supervisory mode current drain associated with the first alarm appliance comprises receiving a data structure from an alarm appliance library.
12. A method as defined in claim 1, wherein receiving a first supervisory mode current drain associated with the first alarm appliance comprises receiving numeric input from a user.
13. An apparatus for calculating a backup battery capacity requirement of an alarm system, the method comprising:
a processor;
a user input device coupled to the processor; and
a user output device coupled to the processor;
the processor receiving user inputs from the user input device, the user inputs specifying a first alarm appliance and a second alarm appliance, the user inputs specifying an electrical connection between the first alarm appliance and the second alarm appliance;
the processor receiving a first supervisory mode current drain associated with the first alarm appliance, a first alarm mode current drain associated with the first alarm appliance, a second supervisory mode current drain associated with the second alarm appliance, and a second alarm mode current drain associated with the second alarm appliance;
the processor adding the first supervisory mode current drain and the second supervisory mode current drain to a plurality of supervisory mode current drains to create a sum of supervisory mode current drains;
the processor adding the first alarm mode current drain and the second alarm mode current drain to a plurality of alarm mode current drains to create a sum of alarm mode current drains;
the processor multiplying the sum of supervisory mode current drains by a first predefined constant indicative of a number of hours to create a supervisory mode capacity;
the processor multiplying the sum of alarm mode current drains by a second predefined constant indicative of a number of minutes to create an alarm mode capacity;
the processor adding the supervisory mode capacity and the alarm mode capacity to create a combined capacity;
the processor multiplying the combined capacity by a third predefined constant to create the backup battery capacity requirement for the alarm system; and
the processor communicating the backup battery capacity requirement via the user output device.
14. An apparatus as defined in claim 13, wherein the first predefined constant is a number between twenty-three and twenty-five.
15. An apparatus as defined in claim 13, wherein the first predefined constant is twenty-four.
16. An apparatus as defined in claim 13, wherein the second predefined constant is a number between three and seven.
17. An apparatus as defined in claim 13, wherein the second predefined constant is five.
18. An apparatus as defined in claim 13, wherein the third predefined constant is a number between 1.0 and 1.4.
19. An apparatus as defined in claim 13, wherein the third predefined constant is 1.2.
20. A machine readable medium storing instructions structured to cause a machine to:
receive user inputs at a computer aided drawing system, the user inputs specifying a first alarm appliance and a second alarm appliance, the user inputs specifying an electrical connection between the first alarm appliance and the second alarm appliance;
receive a first supervisory mode current drain associated with the first alarm appliance, a first alarm mode current drain associated with the first alarm appliance, a second supervisory mode current drain associated with the second alarm appliance, and a second alarm mode current drain associated with the second alarm appliance;
add the first supervisory mode current drain and the second supervisory mode current drain to a plurality of supervisory mode current drains to create a sum of supervisory mode current drains;
add the first alarm mode current drain and the second alarm mode current drain to a plurality of alarm mode current drains to create a sum of alarm mode current drains;
multiply the sum of supervisory mode current drains by a first predefined constant indicative of a number of hours to create a supervisory mode capacity;
multiply the sum of alarm mode current drains by a second predefined constant indicative of a number of minutes to create an alarm mode capacity;
add the supervisory mode capacity and the alarm mode capacity to create a combined capacity; and
multiply the combined capacity by a third predefined constant to create the backup battery capacity requirement for the alarm system.
21. A machine readable medium as defined in claim 20, wherein the first predefined constant is a number between twenty-three and twenty-five.
22. A machine readable medium as defined in claim 20, wherein the first predefined constant is twenty-four.
23. A machine readable medium as defined in claim 20, wherein the second predefined constant is a number between three and seven.
24. A machine readable medium as defined in claim 20, wherein the second predefined constant is five.
25. A machine readable medium as defined in claim 20, wherein the third predefined constant is a number between 1.0 and 1.4.
26. A machine readable medium as defined in claim 20, wherein the third predefined constant is 1.2.