Information receiver and information transmission and reception method providing information usage status
AssigneeHitachi, Ltd.
InventorsSHIGEKI HIRASAWA, YUICHI YAGAWA, EIICHI YUKINO, MICHIO MORIOKA, TORU YAMADA, NOBUKAGE TAKAHASHI
Life of this patent
Estimating the term…
Abstract
An information receiver comprising a unit receiving information having a package number identifying the information, a first storage section where said package number is stored, a second storage section where reception information indicating whether or not said information associated with said package number was received, and a third storage section where display information indicating whether or not said information associated with said package number was displayed.
Claims15
An information receiver comprising:
- means for receiving information with a package number identifying the information;
- and
- means for storing display information indicating whether or not said information was displayed on a receiving side.
A method for transmitting and receiving information, comprising the steps of:
- transmitting information from a transmitter to a receiver, said information having a package number identifying the information;
- receiving said transmitted information by said receiver;
- and
- storing said package number, reception information indicating whether or not said information associated with the package number was received, and display information indicating whether or not said information associated with said package number was displayed.
An information transmission and reception system comprising:
- at least one transmitter comprising:
- means for transmitting first information to a receiver, said first information having a package number identifying the information;
- and
- means for transmitting second information on said first information to an external total calculator;
- at least one receiver comprising:
- means for storing said package number, reception information indicating whether or not said first information associated with the package number was received, and display information indicating whether or not said first information associated with said package number was displayed on a receiving side;
- and
- means for transmitting third information on said first information to said total calculator;
- and
- a total calculator for investigating a status of audience and a trend of audience on a basis of said second information transmitted from said transmitter and said third information transmitted from said receiver.
Dependencies are inferred from the claim text.