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Telecommunication system, radio base station thereof, and portable telecommunication terminal thereof

  • US 6,101,381 A
  • Filed: 03/17/1997
  • Issued: 08/08/2000
  • Est. Priority Date: 03/21/1996
  • Status: Expired due to Fees
First Claim
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1. A telecommunication system comprising:

  • a plurality of radio base stations for performing telecommunication, wherein each of said plurality of radio base stations is disposed in a respective one of a plurality of cells formed by dividing a telecommunication service area; and

    a plurality of portable radio telecommunication units such that a portable radio telecommunication unit positioned in one of said plurality of cells performs said telecommunication using a radio base station disposed in said one of said plurality of cells, whereina user of said portable radio telecommunication unit positioned in said one of said plurality of cells transmits identification information during origination of a call and said radio base station disposed in said one of said plurality of cells transmits predetermined information to said portable radio telecommunication unit when said identification information corresponds to predetermined identification information, wherein said predetermined information includes text information and/or graphic information, andsaid radio base station includes means for determining a reduced communication fee associated with said predetermined information when said predetermined information includes advertisement information, said reduced communication fee being reduced from a user fee of said portable radio telecommunication unit when said predetermined information is transmitted to said portable radio telecommunication unit,wherein said advertisement information is continuously and automatically outputted during connection of said portable radio telecommunication unit and said reduced communication fee is calculated upon disconnection of said portable radio telecommunication unit.

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