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An electronic device has a small-area screen to display items from a navigatable set of items and an input mechanisms (e.g., keys, joystick, spin dial, etc.) that enable a user to navigate through the navigatable items. An operator interface includes a navigation glyph having multiple elements that

An electronic device has a small-area screen to display items from a navigatable set of items and an input mechanisms (e.g., keys, joystick, spin dial, etc.) that enable a user to navigate through the navigatable items. An operator interface includes a navigation glyph having multiple elements that correspond to actions of the input mechanism. Different sets of the navigation glyph elements are illuminated to indicate which user-actions on the input mechanism are presently available to navigate from a current location to another location in the navigatable set of items.

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An electronic device has a small-area screen to display items from a navigatable set of items and an input mechanisms (e.g., keys, joystick, spin dial, etc.) that enable a user to navigate through the navigatable items. An operator interface includes a navigation glyph having multiple elements that

An electronic device has a small-area screen to display items from a navigatable set of items and an input mechanisms (e.g., keys, joystick, spin dial, etc.) that enable a user to navigate through the navigatable items. An operator interface includes a navigation glyph having multiple elements that correspond to actions of the input mechanism. Different sets of the navigation glyph elements are illuminated to indicate which user-actions on the input mechanism are presently available to navigate from a current location to another location in the navigatable set of items. the viewing zones is proportional to that of a corresponding pixel within the image display region. 14. The system of claim 8, wherein pixels existing within the image display region are disposed in one of a one-dimensional and a two-dimensional fashions. 15. The system of claim 1, wherein a part of each subcell has a shape form of one of square and rectangle. 16. The system of claim 1, wherein sizes and shapes of pixels, which are corresponding to an identical view point within the image display regions, are equal to each other. 17. The system of claim 5, wherein the point light source array is replaced with one of a pin hole array, an integral photography (IP) plate and a quadrangle lens array where pin holes, and a focal point of a circular micro lens and a quadrangle micro lens are disposed at positions of corresponding point light sources, and a cross lenticular array which is formed by vertically crossing two lenticular plates having an identical period and an identical focus distance while rendering surfaces of the two lenticular plates to be faced with each other. 18. The system of claim 17, wherein positions of the pixels in the image display region are exchanged symmetrically with respect to a central point of the image display region. 19. The system of claim 17, wherein focus distances of the integral photography plate, the quadrangle lens array and the cross lenticular array are equal to or less than a distance between the point light source array and the image display mask. 20. The system of claim 17, wherein widths of the pixel cells are greater than those of pin holes in the pin hole array, and those of a lens in the integral photography plate and the cross lenticular plate. 21. The system of claim 17, wherein a displacement between a center of the pin hole or the lens and a center of the image display region corresponding to the pin hole or the lens increases as the pixel cell is farther from a center of the image display mask. 22. The system of claim 17, wherein shapes of the reference viewing zone, the image display mask, the image display region and the arrangement of the pixels are rhombus, and an inclined lenticular plate corresponding to the rhombus is used. 23. The system of claim 1, wherein a same pixel of a same view point is repeatedly displayed in a horizontal or a vertical direction of the image display region to provide one of a horizontal parallax and a vertical parallax. 24. The system of claim 17, wherein a width of lenticulars in the lenticular plate in a vertical direction and a horizontal direction and a diameter of two circular micro lenses are equal to periods of the point light sources in the point light source array. 25. The system of claim 17, wherein the pin holes are in the form of one of circle, square and rectangle. 26. The system of claim 17, wherein a distance between the image display mask and the pin hole array, a focal point of the integral photography plate, the quadrangle lens array, or the cross lenticular array is given as and a size piof the pixel cell is given as where p is a period of the pin hole, the circular micro lens or the quadrangle micro lens, Vwis a horizontal and a vertical width of the viewing zone, and VDis a distance between the image display mask and the viewing zone. 27. The system of claim 1, wherein the point light sources are provided by an external diffuse light. 28. The system of claim 1, wherein the point light sources are provided by a backlight lamp with a diffusing screen. 29. The system of claim 1, wherein the image display mask is displayed on a light-emitting display screen. 30. The system of claim 17, wherein a linear diffuser is attached in front of the IP plate, the quadrangle lens array, or the cross lenticular array. 31. The system of claim 1, wherein a layout of the pixel cell is random. 32. The system of claim 1, wherein a multi-view image of a same object is observed within the viewing zone. 33. The system of claim 1, wherein different multi-view images of different objects are observed within each of predetermined regions in the viewing zone. 34. The system of claim 1, wherein the image display mask is generated by a computer supporting layout for the pixel cell and the subcell based on the plurality of view images. 35. The system of claim 1, wherein a pitch of the pixel cell of the image display mask is not equal to an integer number multiplied by a pitch of the pixel of devices configured to display or print the image display mask. 36. The system of claim 17, wherein at least two long narrow lines are added to sides of the image display mask so as to be parallel to axes of the IP plate, the quadrangle lens array or the cross lenticular array, and wherein the image display mask is aligned in consideration of an angle relative to the IP plate, the quadrangle lens array or the cross lenticular array by testing a visibility of the lines until Moire patterns disappear from the lines. 37. The system of claim 17, wherein at least two short narrow lines are added to the image display mask so as to be parallel to the axes of the IP plate, the quadrangle lens array or the cross lenticular array, and wherein the image display mask is aligned in consideration of displacement relative to the IP plate or the quadrangle lens array or the cross lenticular array by testing the visibility of the lines until an image of the lines appears in a predetermined region of the viewing zone.