HIGH-SPEED OPTICAL COMMUNICATION
First Claim
Patent Images
1. An optical communication system comprising:
- a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from said contents transmitter;
wherein said contents receiver transmits previously given unique identification information by using a light less intensive than the intensity level of a pre-given threshold; and
if said contents transmitter receives said identification information transmitted from said contents receiver by using said light, said contents transmitter transmits said contents data to said contents receiver by using said laser.
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Abstract
A high-speed optical communication system for transmitting and receiving an optical signal is disclosed. A contents receiver transmits previously given unique identification information by using a light less intensive than the intensity level of a pre-given threshold. When a contents transmitter receives the identification information transmitted from the contents receiver, it transmits contents data to the receiver by using a laser.
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Citations
34 Claims
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1. An optical communication system comprising:
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a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from said contents transmitter; wherein said contents receiver transmits previously given unique identification information by using a light less intensive than the intensity level of a pre-given threshold; and if said contents transmitter receives said identification information transmitted from said contents receiver by using said light, said contents transmitter transmits said contents data to said contents receiver by using said laser. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10)
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8. An optical communication system comprising a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from the contents transmitter;
- wherein
said contents receiver has a light-reflecting part for reflecting the light, and said contents transmitter transmits a light less intensive than the intensity level of a pre-given threshold and, when a light reflected by said light-reflecting part is received, transmits said contents data to said contents receiver by using said laser. - View Dependent Claims (11)
- wherein
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9. An optical communication system comprising a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from the contents transmitter;
- wherein
said contents receiver has a marker part on which a preset pattern is displayed; and said contents transmitter has a photographing part for photographing an image, wherein, if the image taken by said photographing part includes said pattern, transmits said contents data to said contents receiver by using said laser. - View Dependent Claims (12)
- wherein
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13. A contents transmitter for transmitting contents data by using a laser, wherein
when unique identification information, which was transmitted by using a light less intensive than the intensity level of a pre-given threshold and which has been given to a contents receiver, is received from the contents receiver, and wherein when the contents receiver is for receiving the contents data, said contents transmitter transmits said contents data to said contents receiver by using a laser.
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20. A contents transmitter for transmitting a light less intensive than the intensity level of a pre-given threshold and, when a reflection of the light is received, transmitting the contents data to the contents receiver by using the laser.
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21. A contents transmitter including a photographing part for photographing an image, wherein, if the image taken by said photographing part includes a preset pattern, transmitting contents data to a contents receiver by using said laser.
- 22. A contents receiver for transmitting previously given unique identification information to a contents transmitter, which transmits contents data by using a laser having light less intensive than the intensity level of a pre-given threshold.
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30. A method in an optical communication system comprising a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from the contents transmitter;
- comprising;
said contents receiver transmitting previously given unique identification information by using a light less intensive than the intensity level of a pre-given threshold; and when said contents transmitter receives said identification information transmitted from said contents receiver by using said light, said contents transmitter transmitting said contents data to said contents receiver by using said laser. - View Dependent Claims (31, 32)
- comprising;
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33. A method in an optical communication system comprising a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from the contents transmitter;
- comprising;
said contents transmitter transmitting a light less intensive than the intensity level of a pre-given threshold; and
,when said contents transmitter receives a light reflected by said contents receiver, said contents transmitter transmitting said contents data to said contents receiver by using said laser.
- comprising;
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34. A method in an optical communication system comprising a contents transmitter for transmitting contents data by using a laser and a contents receiver for receiving the contents data transmitted from the contents transmitter;
- comprising;
said contents transmitter photographing an image; said contents transmitter determining whether said photographed image includes a preset pattern or not; and if it is determined that said photographed image includes said pattern, said contents transmitter transmitting said contents data to said contents receiver by using said laser.
- comprising;
Specification