Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium
Reexamination Certificate
2006-05-02
2006-05-02
Korzuch, William (Department: 2653)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Electrical modification or sensing of storage medium
C369S101000, C369S154000, C374S164000, C702S133000
Reexamination Certificate
active
07038996
ABSTRACT:
Described is a method for reading an array of sensors having a set of row conductors each connected to the sensors in a corresponding row of the array and a set of column conductors each connected to the sensors in a corresponding column of the array such that each sensor is connected between a row conductor and a column conductor. The method comprises: for each row of sensors in the array, performing a read cycle comprising applying an activation pulse to the corresponding row conductor to activate the sensors in the row, applying a reading pulse to the row conductor on expiry of a predetermined time interval from an edge of the activation pulse, and during the reading pulse, detecting, for each sensor in the row, a value dependent on a variable characteristic of that sensor. The read cycle for at least one row is commenced during the predetermined time interval of the read cycle for another row. In a preferred example described in detail, the sensors are thermal resistance sensors, the activation pulse is a heating pulse to heat the sensors, and the variable characteristic is resistance.
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Binnig Gerd K.
Duerig Urs T.
Chu Kim-Kwok
Goldman Richard M.
International Business Machines Corp.
Korzuch William
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