Communications: electrical – Continuously variable indicating – With meter reading
Patent
1994-04-26
1999-09-07
Amsbury, Wayne
Communications: electrical
Continuously variable indicating
With meter reading
34082534, 341 23, 707500, G06F 1700
Patent
active
059493488
ABSTRACT:
A method and apparatus for providing and using a variable format, configuration and location keyboard image which enables a digitizing device to present a different keyboard configuration and/or location to each user so that detection by an unauthorized viewer of a personal identification number (PIN) or other secret identification number during entry will become significantly more difficult. The presentation may include a random or scrambled keyboard entry image for each customer, and a single or set of customer preselected images that will be tied to the customer's account number which is read from the magnetic strip on a personal card. In addition to the keyboard, the device provides a single write surface for capturing a signature entry so that the two security features are incorporated in a single device.
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U.S. Patent Application Serial No. 07/575,096, filed Aug. 30, 1990, inventors David M. Allgeier et al. for Write Input Transaction Apparatus and Method.
Robert Cowart, Mastering Windows 3.1, Special Edition, 1993, pp. 16-17, 418-419.
Allgeier David M.
Donnelly Tom
Ellis David A.
Jones Floyd
Kapp Michael A.
Amsbury Wayne
Jung David Yiuk
NCR Corporation
Sessler Jr. Albert L.
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