Directional information delivery system and method

Details Directional information delivery system and method Directional information delivery system and method

2006-04-25

2009-06-30

Ly, Nghi H (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S424000, C455S425000, C370S328000, C370S338000

Reexamination Certificate

active

07555292

ABSTRACT:
A directional information delivery method and system, wherein a wide-angle electromagnetic wave transmitter is attached on each object for transmitting channel identification that indicates the transferring channel of the information of the exhibited item attached with the wide-angle electromagnetic wave transmitter to a specified area in wide angle, while each portable client device is provided with a directional electromagnetic wave receiver. When a user points the client device he/she to an object, it can receive the electromagnetic wave from that exhibited item. Then, the client device obtains a channel identification from that electromagnetic wave, and establishes a connection with an information delivery sub-system based on the obtained channel identification to obtain information about that exhibited item from the channel and to render that information. In this way, a user can select simply by pointing at the exhibited item with the client device, thereby accurately obtaining the information about the exhibited item of interest.

REFERENCES:
patent: 6542464 (2003-04-01), Takeda et al.

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