United States Patent [w]
Walker
[54] PREPAID LIMITED USAGE CALLING CARD
[75] Inventor: Jay S. Walker, Ridgefield, Conn.
[73] Assignee: Walker Asset Management Limited Partnership, Stamford, Conn.
[21] Appl. No.: 570,443
[22] Filed: Jun. 17, 1996
[51] Int. CI.6 H04M 17/00; H04M 15/00
[52] U.S. CI 379/144; 379/121; 379/196
[58] Field of Search 379/67, 88, 89,
379/112, 114, 115, 121, 133, 134, 216, 355, 356, 359, 188, 189, 196, 197, 199,
200
[56] References Cited
U.S. PATENT DOCUMENTS
4,706,275 11/1987 Kamil 379/144
4.893,330 1/1990 Franco 379/196
4,975,942 12/1990 Zebryk .
5,163,086 11/1992 Ahearn et al. .
5,204,894 4/1993 Darden 379/216
5.222,121 6/1993 Shimada 379/355
5,249,219 9/1993 Morganstein et al 379/197
5,287,403 2/1994 Atkins et al. .
5,359,642 10/1994 Castro .
5,546,446 8/1996 Tsunokawa et al 379/144
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US005825863A [ii] Patent Number: 5,825,863 [45] Date of Patent: Oct. 20, 1998
OTHER PUBLICATIONS
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College Students May Learn the Hardest Accounting Les-
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Kids' Phone Usage Another Way for Marketers to Get
Connected, Phillips Business Information, Inc., Selling to
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Primary Examiner—Curtis Kuntz
Assistant Examiner—Palu Loomis
Attorney, Agent, or Firm—Morgan & Finnegan LLP; Jeffrey
L. Brandt
[57] ABSTRACT
The present invention provides a system that embodies an apparatus and method for enabling prepayment of telephone call charges in connection with a calling-card, the authorized called telephone number(s) being selectable by the cardholder so that the calling-card account can only be charged for telephone calls made to the cardholder authorized telephone number(s), the calling-card account capable of being continuously recharged from a linked credit account, bank account or the like, or charges may be incurred thereafter on a perunit-time basis.
21 Claims, 8 Drawing Sheets
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