Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2008-04-01
2008-04-01
Lee, Michael G. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S494000, C455S410000, C455S411000, C713S183000
Reexamination Certificate
active
07350713
ABSTRACT:
When power is turned on, control unit requests a user to enter a security code on the basis of information of SIM card inserted into a card I/F. If the security code entered by the user is an authorized code, the control unit permits the user to use the apparatus such that the apparatus can be utilized. In addition, the control unit urges a display unit to display a security code entered through operation unit, as hidden letters, and to display a control command such that the control command can be visually recognized.
REFERENCES:
patent: 6219410 (2001-04-01), Sun
patent: 2004-038403 (2004-02-01), None
Saito Akinori
Ueno Toshihiro
Frishauf Holtz Goodman & Chick P.C.
Haupt Kristy A.
Kabushiki Kaisha Toshiba
Lee Michael G.
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