Static information storage and retrieval – Read/write circuit – Particular read circuit
Reexamination Certificate
2007-05-16
2010-06-15
Ho, Hoai V (Department: 2827)
Static information storage and retrieval
Read/write circuit
Particular read circuit
C365S094000, C365S104000, C365S189070, C365S205000, C365S207000, C365S208000, C365S210110, C365S210120
Reexamination Certificate
active
07738305
ABSTRACT:
A read-out circuit for or in a ROM memory, comprises an input, a comparator circuit, a threshold setting, and a control signal generator for driving the threshold setting generator. A read signal can be coupled into the input. The read signal, depending on the information contained in the read signal, comprises a high signal level relative to a reference potential or a low signal level relative to a reference potential. The comparator circuit compares the read signal with a settable threshold, the threshold setting circuit is designed for setting the threshold of the comparator circuit relative to the high and low signal levels, and the control signal generator generates a control signal similar to the read signal.
REFERENCES:
patent: 5459693 (1995-10-01), Komarek et al.
patent: 6504778 (2003-01-01), Uekubo
patent: 2001/0033514 (2001-10-01), Takata et al.
patent: 2003/0161183 (2003-08-01), Tran
patent: 2005/0128836 (2005-06-01), Nicholes
patent: WO 2006/024403 (2006-03-01), None
Larguier Jean-Yves
Lehmann Gunther
Martelloni Yannick
Siddharth Gupta
Ho Hoai V
Infineon - Technologies AG
Maginot Moore & Beck
Radke Jay
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