Swing type aerial display system
First Claim
Patent Images
1. A swing type display system comprising:
- an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image;
display data storage means for storing display data in the form of a bit map;
display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with an elapsed time factor representative of angular positions of said hand-held movable body;
driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF;
swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, said swing detecting means including,an acceleration sensor for generating an output corresponding to the acceleration of the swinging motion of said movable body, andsignal processing means for detecting a specific operational point in said swinging motion of said movable body by processing the output from said acceleration sensor, andtiming control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds.
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Abstract
A swing type aerial display system is adapted to aerially display a desired visual image utilizing a residual image effect of a moving light emitting array. In order to establish synchronization of the motion of said moving light emitting array and illuminating timing of individual cells in the light emitting array, the motion behavior of the system is monitored and timing to drive each individual cell is controlled in relation to the monitored motion behavior of the light emitting array, so that the desired image becomes visible at a desired position and desired configuration.
138 Citations
37 Claims
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1. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with an elapsed time factor representative of angular positions of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, said swing detecting means including, an acceleration sensor for generating an output corresponding to the acceleration of the swinging motion of said movable body, and signal processing means for detecting a specific operational point in said swinging motion of said movable body by processing the output from said acceleration sensor, and timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with an elapsed time factor representative of angular positions of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, said swing detecting means including, means for movement which oscillates reciprocally within a predetermined range defined by a .guide mechanism in response to a substantially reciprocal swinging motion of said movable body, and a position sensor for detecting said oscillation passing across a predetermined position set between both ends of said predetermined range in a non-contacting manner, and timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with angular position representative time factors of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds; and display initiation timing adjusting means responsive to substantially reciprocal repeated swinging motion of said movable body for controlling said timing control means to adjust a delay period from the occurrence of said detection signal of said swing detecting means to the initiation of the reading out of the display data by said display data reading out control means on the basis of an instantaneous swing speed at a given point in the swinging motion and/or repeating period of the swinging motion.
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15. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with angular position representative time factors of said hand-held movable body; driver means for receiving given bits of said display data read out by said display data reading out control means, adapted to said light emitting cell array, and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds; and data output speed adjusting means responsive to substantially reciprocal repeated swinging motion of said movable body for controlling said timing control means to adjust reading out speed of said display data by said display data reading out control means on the basis of an instantaneous swing speed at a given point in the swinging motion and/or repeating period of the swinging motion.
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16. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with angular position representative time factors of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds; display initiation timing adjusting means responsive to substantially reciprocal repeated swing motion of said movable body for controlling said timing control means to adjust a delay period from the occurrence of said detection signal of said swing detecting means to the initiation of the reading out of the display data by said display data reading out control means on the basis of an instantaneous swing speed at a given point in the swing motion and/or repeating period of the swing motion; and a data output speed adjusting means responsive to substantially reciprocal repeated swinging motion of said movable body for controlling said timing control means to adjust reading out speed of said display data by said display data reading out control means on the basis of an instantaneous swing speed at a given point in the swinging motion and/or repeating period of the swinging motion.
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17. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with angular position representative time factors of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body, timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds; and swing mode discrimination means for discriminating a current swing mode out of a plurality of preliminarily set swing modes which are set relative to the gravitative direction; and data selection means for selectively identifying one of a plurality of display data stored in said display data storage means on the basis of the output of said swing mode discrimination means.
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18. An aerial display system comprising:
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a movable member carrying a light emitting cell array formed with a plurality of individual light emitting cells arranged in an alignment essentially perpendicular to the direction of motion of said movable member, said movable member being adapted to move across a desired aerial display area carrying said light emitting cell array at an arbitrary speed with a potential cycle-to-cycle deviation of motion speed in a substantial magnitude; data storage means for storing at least one field of image data defining a display image, said at least one field of image data containing display data for each scanning line corresponding to the instantaneous position of said movable member in motion, said image data including a plurality of sets of cell data for respective light emitting cells and respectively forming fractions of said image data to be formed at relative angular positions for unitary forming said display image; motion detecting means for producing a detection signal on the basis of the motion of said movable member; and control means for receiving said detection signal and deriving a motion associated control parameter on the basis of the cycle-to-cycle deviation of the motion speed of said movable member so as to control each of said light emitting cells such that one or more selected light emitting cells corresponding to said set of cell data of said display data are illuminated at the substantially same relative angular positions of said movable member. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A swing type display system comprising:
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an elongated hand-held movable body carrying a light emitting cell array including a plurality of light emitting cells arranged in alignment for reciprocally swinging on a desired surface by manual swing motion at an arbitrary speed to scan said light emitting cell array thereon and form a visual image utilizing an effect of residual image; display data storage means for storing display data in the form of a bit map; display data reading out control means for reading out display data from said display data storage means in a given order at a given speed, said display data including a plurality of sets of display data for respective light emitting cells associated with angular positions of said hand-held movable body; driver means adapted to said light emitting cell array, for receiving given bits of said display data read out by said display data reading out control means and for driving each of said light emitting cell arrays ON and OFF; swing detecting means for producing a detection signal on the basis of the acceleration of the swinging motion of said movable body,and timing control means responsive to said detection signal for deriving a trigger signal so as to control said display data reading control means such that respective sets of display data for respective light emitting cells are read out at the substantially same angular positions of said hand-held movable body for arbitrary swing speeds.
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Specification