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Class Information
Number: 327/52
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific signal discriminating (e.g., comparing, selecting, etc.) without subsequent control > By amplitude > With sensing amplifier > Differential amplifier
Description: Subject matter including a device responsive to the offset between two input voltages or currents and nonresponsive to voltages or currents which are identical in the two inputs.










Sub-classes under this class:

Class Number Class Name Patents
327/53 Current mirror 238
327/54 Having feedback 170
327/56 With reference signal 169


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
5091663 MESFET differential amplifier Feb. 25, 1992
5091879 BiCMOS static memory with improved performance stability Feb. 25, 1992
5068830 High speed static RAM sensing system Nov. 26, 1991
5065055 Method and apparatus for high-speed bi-CMOS differential amplifier with controlled output voltage swing Nov. 12, 1991
5057718 CMOS regenerative sense amplifier with high speed latching Oct. 15, 1991
5051957 Sense amplifier circuit for large-capacity semiconductor memory Sep. 24, 1991
5043724 Broadband signal switching equipment Aug. 27, 1991
5034636 Sense amplifier with an integral logic function Jul. 23, 1991
5023838 Random access memory device with integral logic capability Jun. 11, 1991
5014244 Integrated memory circuit with parallel and serial input and output May. 7, 1991
5012450 Read amplifier for static memories in CMOS technology Apr. 30, 1991
4989184 Semiconductor memory device having current type sense amplifier improved for high speed operation and operating method therefor Jan. 29, 1991
4984204 High speed sensor system using a level shift circuit Jan. 8, 1991
4984207 Semiconductor memory device Jan. 8, 1991
4979189 Self-timing qualification channel Dec. 18, 1990
4973864 Sense circuit for use in semiconductor memory Nov. 27, 1990
4962324 Equalizing circuit for a sense amplifier Oct. 9, 1990
4962482 Nonvolatile memory device using a sense circuit including variable threshold transistors Oct. 9, 1990
4954992 Random access memory having separate read out and write in bus lines for reduced access time and operating method therefor Sep. 4, 1990
4939693 BiCMOS static memory with improved performance stability Jul. 3, 1990
4910714 Semiconductor memory circuit having a fast read amplifier tristate bus driver Mar. 20, 1990
4910713 High input impedance, strobed CMOS differential sense amplifier Mar. 20, 1990
4908797 Dynamic memory array with quasi-folded bit lines Mar. 13, 1990
4903237 Differential sense amplifier circuit for high speed ROMS, and flash memory devices Feb. 20, 1990
4899309 Current sense circuit for a ROM system Feb. 6, 1990
4888503 Constant current biased common gate differential sense amplifier Dec. 19, 1989
4885477 Differential amplifier and current sensing circuit including such an amplifier Dec. 5, 1989
4871933 High-speed static differential sense amplifier Oct. 3, 1989
4871978 High-speed static differential sense amplifier Oct. 3, 1989
4858193 Preamplification method and apparatus for dram sense amplifiers Aug. 15, 1989
4853899 Semiconductor memory having amplifier including bipolar transistor Aug. 1, 1989
4845672 Memory circuit with active load Jul. 4, 1989
4839868 Semiconductor memory device having sense amplifiers with delayed and stopped drive times Jun. 13, 1989
4825110 Differential amplifier circuit Apr. 25, 1989
4797569 Apparatus for pre-defining circuit characteristics Jan. 10, 1989
4780625 Integrated circuit sensor circuit Oct. 25, 1988
4769564 Sense amplifier Sep. 6, 1988
4766333 Current sensing differential amplifier Aug. 23, 1988
4739198 Signal output circuit of a push-pull type Apr. 19, 1988
4733112 Sense amplifier for a semiconductor memory device Mar. 22, 1988
4728900 Balanced differential amplifier Mar. 1, 1988
4716320 CMOS sense amplifier with isolated sensing nodes Dec. 29, 1987
4675559 Differential circuit having a high voltage switch Jun. 23, 1987
4668881 Sense circuit with presetting means May. 26, 1987
4658160 Common gate MOS differential sense amplifier Apr. 14, 1987
4658159 Sense amplifier circuit for semiconductor memory device Apr. 14, 1987
4649301 Multiple-input sense amplifier with two CMOS differential stages driving a high-gain stage Mar. 10, 1987
4644196 Tri-state differential amplifier Feb. 17, 1987
4636665 BIMOS memory sense amplifier Jan. 13, 1987
4636664 Current sinking responsive MOS sense amplifier Jan. 13, 1987

1 2 3 4 5 6 7 8 9 10 11










 
 
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