Remote control system, and display device and electronic device using the remote control system
First Claim
1. A remote control system comprising:
- a remote control transmitter including a position detection light-emission unit that emits position detection light signals;
a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals that are received, and a displacement detection unit that detects a displacement of the remote control transmitter based on the position detection reception signals; and
a cursor control unit that controls a position of a cursor displayed on a display screen, wherein the position detection light-emission unit comprises;
a first light-emitting element and a second light-emitting element that are arranged symmetrically with respect to a central axis of the remote control transmitter in a first axis direction;
a third light-emitting element and a fourth light-emitting element that are arranged symmetrically with respect to the central axis in a second axis direction that intersects the first axis direction; and
a light-emitting element control unit that successively drives the first light-emitting element to the fourth light-emitting element through pulse position modulation by a time division driving system so as to successively emit a first light signal to a fourth light signal as the position detection light signals, the light-reception signal processing unit detects a first reception signal to a fourth reception signal corresponding respectively to the first light signal to the fourth light signal as the position detection reception signals, the displacement detection unit comprises;
an output detection unit that performs waveform conversion on the position detection reception signals to obtain a first output signal to a fourth output signal as position detection output signals corresponding respectively to the first reception signal to the fourth reception signal; and
an arithmetic processing unit that calculates a displacement of the remote control transmitter in the first axis direction based on an amplitude correlation between the first output signal and the second output signal, and calculates a displacement of the remote control transmitter in the second axis direction based on an amplitude correlation between the third output signal and the fourth output signal, and the cursor control unit controls the position of the cursor based on the displacement of the remote control transmitter in the first axis direction and the displacement of the remote control transmitter in the second axis direction.
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Accused Products
Abstract
One embodiment of a remote control system according to the invention includes: a remote control transmitter including a light-emitting element control unit that emits light-emitting element that emit position detection light signals; a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals, an output detection unit that performs waveform conversion on the position detection reception signals to obtain output signals as position detection output signals, and an arithmetic processing unit that calculates a displacement of the remote control transmitter in a first axis direction and a second axis direction based on an amplitude correlation of output signals; and a cursor control unit that controls the position of the cursor based on the displacement of the remote control transmitter in the first axis direction and the displacement of the remote control transmitter in the second axis direction.
119 Citations
51 Claims
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1. A remote control system comprising:
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a remote control transmitter including a position detection light-emission unit that emits position detection light signals;
a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals that are received, and a displacement detection unit that detects a displacement of the remote control transmitter based on the position detection reception signals; and
a cursor control unit that controls a position of a cursor displayed on a display screen, wherein the position detection light-emission unit comprises;
a first light-emitting element and a second light-emitting element that are arranged symmetrically with respect to a central axis of the remote control transmitter in a first axis direction;
a third light-emitting element and a fourth light-emitting element that are arranged symmetrically with respect to the central axis in a second axis direction that intersects the first axis direction; and
a light-emitting element control unit that successively drives the first light-emitting element to the fourth light-emitting element through pulse position modulation by a time division driving system so as to successively emit a first light signal to a fourth light signal as the position detection light signals,the light-reception signal processing unit detects a first reception signal to a fourth reception signal corresponding respectively to the first light signal to the fourth light signal as the position detection reception signals, the displacement detection unit comprises;
an output detection unit that performs waveform conversion on the position detection reception signals to obtain a first output signal to a fourth output signal as position detection output signals corresponding respectively to the first reception signal to the fourth reception signal; and
an arithmetic processing unit that calculates a displacement of the remote control transmitter in the first axis direction based on an amplitude correlation between the first output signal and the second output signal, and calculates a displacement of the remote control transmitter in the second axis direction based on an amplitude correlation between the third output signal and the fourth output signal, andthe cursor control unit controls the position of the cursor based on the displacement of the remote control transmitter in the first axis direction and the displacement of the remote control transmitter in the second axis direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 40, 41, 42, 43, 44, 45, 46, 47, 51)
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20. A remote control system comprising:
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a remote control transmitter including a position detection light-emission unit that emits position detection light signals;
a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals that are received, and a displacement detection unit that detects a displacement of the remote control transmitter based on the position detection reception signals; and
a cursor control unit that controls a cursor displayed on a display screen by coarse adjustment and fine adjustment, wherein the coarse adjustment is carried out based on the displacement of the remote control transmitter, and, after a fine adjustment optical code signal as position information for finely adjusting a position of the cursor is transmitted from a fine adjustment alternative signal generating means included in the remote control transmitter to the remote control receiver, the fine adjustment is carried out based on the fine adjustment optical code signal received by the remote control receiver. - View Dependent Claims (21, 22, 23, 26, 27)
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38. An electronic device comprising a drag and drop function of dragging and dropping an icon displayed on a monitor screen while the icon is selected by a pointer, using a remote operation device, thereby executing an application corresponding to the dropped icon in a predetermined mode,
wherein one or a plurality of content icons, device icons and operation icons, and setting fields for the icons are displayed on the monitor screen, and an arbitrary content icon is dragged and dropped onto the corresponding setting field, an arbitrary device icon is dragged and dropped into the corresponding setting field, and an arbitrary operation icon is dragged and dropped onto the corresponding setting field, thereby executing an application corresponding to the icons that are set.
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39. An electronic device comprising a drag and drop function of dragging and dropping an icon displayed on a monitor screen while the icon is selected by a pointer, using a remote operation device, thereby executing an application corresponding to the dropped icon in a predetermined mode,
wherein one or a plurality of content icons and household appliance icons are displayed on the monitor screen, and, when a household appliance icon is selected, locations in which a household appliance corresponding to said household appliance icon is installed are displayed on a floor plan on the monitor screen, and a desired location of the household appliance is selected from said locations.
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48. An electronic device comprising a remote operation device that emits as output various light signals from a light-emission unit,
wherein a light-reception detection unit that receives the light signals and detects a change in a light reception amount, and, in a state in which a television broadcasting signal is received and displayed on a monitor screen, a received channel is switched up/down based on a change in a reception light amount detected by the light-reception detection unit by swinging the remote operation device in either a lateral direction or a vertical direction, and volume is turned up/down based on a change in a light reception amount detected by the light-reception detection unit by swinging the remote operation device in the other direction different from said direction.
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49. An electronic device comprising a remote operation device that emits as output various light signals from a light-emission unit,
wherein a light-reception detection unit that receives the light signals and detects a change in a light reception amount, and a method for operating a screen is switched based on a change in a light reception amount detected by the light-reception detection unit by swinging the remote operation device forward and backward.
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50. An electronic device that can control a camera device and comprises a remote operation device that emits as output various light signals from a light-emission unit,
wherein a light-reception detection unit that receives the light signals and detects a change in a light reception amount, and an orientation of the camera device is moved in a lateral direction or a vertical direction based on a change in a light reception amount detected by the light-reception detection unit by swinging the remote operation device in the lateral or the vertical direction.
Specification