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Class Information
Number: 365/95
Name: Static information storage and retrieval > Read only systems (i.e.. semipermanent) > With override (i.e., latent images)
Description: Subject matter wherein the original information may be temporarily overridden, i.e., memory may be operated as read/write with read only information recoverable.


Patents under this class:

Patent Number Title Of Patent Date Issued
7433224 System and method for forcing an SRAM into a known state during power-up Oct. 7, 2008
5517634 Disk drive system including a DRAM array and associated method for programming initial information into the array May. 14, 1996
5341492 Frame conversion circuit including initial value input circuit Aug. 23, 1994
5230058 IC chip having volatile memory cells simultaneously loaded with initialization data from uniquely associated non-volatile memory cells via switching transistors Jul. 20, 1993
5175831 System register initialization technique employing a non-volatile/read only memory Dec. 29, 1992
5148390 Memory cell with known state on power up Sep. 15, 1992
5051958 Nonvolatile static memory device utilizing separate power supplies Sep. 24, 1991
5018102 Memory having selected state on power-up May. 21, 1991
5008857 Semiconductor memory device provided with an improved system for detecting the positions using a redundant structure Apr. 16, 1991
4985866 Compound semiconductor memory device having redundant circuit configuration Jan. 15, 1991
4862420 Internal interleaving type semiconductor memory device Aug. 29, 1989
4855803 Selectively definable semiconductor device Aug. 8, 1989
4740714 Enhancement-depletion CMOS circuit with fixed output Apr. 26, 1988
4716552 Method and apparatus for non-destructive access of volatile and non-volatile data in a shadow memory array Dec. 29, 1987
4694431 Semiconductor memory device with increased adaptability Sep. 15, 1987
4684826 Programmable asynchronous register initialization circuit Aug. 4, 1987
4646269 Multiple programmable initialize words in a programmable read only memory Feb. 24, 1987
4609999 RAM memory cell with electrically programmable non-volatile memory element Sep. 2, 1986
4594688 Power supply circuit for flip-flop memory Jun. 10, 1986
4584669 Memory cell with latent image capabilities Apr. 22, 1986
4570237 Microprocessor Feb. 11, 1986
4429326 I.sup.2 L Memory with nonvolatile storage Jan. 31, 1984
4418401 Latent image ram cell Nov. 29, 1983
4396996 Monolithic static memory cell and method for its operation Aug. 2, 1983
4366560 Power down detector Dec. 28, 1982
4326270 Preset circuit for information storage devices Apr. 20, 1982
4289982 Apparatus for programming a dynamic EPROM Sep. 15, 1981
4224686 Electrically alterable memory cell Sep. 23, 1980
4149268 Dual function memory Apr. 10, 1979
3980476 Imaging system Sep. 14, 1976



 
 
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