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| Patent ID | Title | Date Filed |
| 5980097 | Reduced complexity signal converter
| February 6, 1997 |
| 5963462 | Integrated circuit system for analog signal storing and recovery incorporating read while writing voltage program method
| April 27, 1998 |
| 5959883 | Recording and playback integrated system for analog non-volatile flash memory
| January 9, 1998 |
| 5959876 | Single or dual message multilevel analog signal recording and playback system containing independently controlled signal storage segments with externally selectable duration capability
| July 14, 1998 |
| 5926409 | Method and apparatus for an adaptive ramp amplitude controller in nonvolatile memory application
| September 5, 1997 |
| 5909387 | Memory architecture for recording of multiple messages
| June 2, 1997 |
| 5907855 | Apparatus and method for reducing programming cycles for multistate memory system
| October 15, 1996 |
| 5907501 | Data writing and reading apparatus and method for nonvolatile analog storage
| August 11, 1997 |
| 5903487 | Memory device and method of operation
| November 25, 1997 |
| 5898605 | Apparatus and method for simplified analog signal record and playback
| July 17, 1997 |
| 5877984 | Method and apparatus for adjustment and control of an iterative method of recording analog signals with on chip selection of a voltage ramp amplitude
| September 5, 1997 |
| 5854764 | Sectorized electrically erasable and programmable non-volatile memory device with redundancy
| March 21, 1997 |
| 5847991 | System for recording voice as analog values programmed into single bit cells EEPROMs or flash EEPROM
| May 20, 1997 |
| 5828592 | Analog signal recording and playback integrated circuit and message management system
| March 12, 1997 |
| 5822236 | Analog FIFO memory and switching device having a reset operation
| May 27, 1997 |
| 5818210 | Reference voltage generating circuit
| December 10, 1996 |
| 5815425 | Combined digital write and analog rewrite process for non-volatile memory
| April 30, 1997 |
| 5805492 | Analog memory for storing a QCIF image or the like as electric charge
| September 27, 1996 |
| 5801980 | Testing of an analog memory using an on-chip digital input/output interface
| May 1, 1997 |
| 5798960 | Current memory for sampling analog currents
| June 30, 1997 |
| 5798921 | Audio storage/reproduction system with automated inventory control
| May 5, 1995 |
| 5793231 | Current memory cell having bipolar transistor configured as a current source and using field effect transistor (FET) for current trimming
| April 18, 1997 |
| 5764560 | Apparatus and method for simultaneously reproducing multiple audio signals recorded on a semiconductor memory card
| July 30, 1996 |
| 5754470 | Apparatus for programming a voltage within a storage element
| November 26, 1996 |
| 5751625 | Ferroelectric memory and recording device using the same
| August 23, 1996 |
| 5745414 | Integrated circuit system having reference cells for improving the reading of storage cells
| November 26, 1996 |
| 5745409 | Non-volatile memory with analog and digital interface and storage
| September 28, 1995 |
| 5745400 | Current memory
| August 27, 1996 |
| 5740104 | Multi-state flash memory cell and method for programming single electron differences
| January 29, 1997 |
| 5724482 | Smart tray for audio player
| May 22, 1995 |
| 5717624 | Analog memory circuit and method for recording analog signal
| October 31, 1996 |
| 5717623 | Analog current memory having resistance to reduce current transport error
| August 27, 1996 |
| 5701266 | Programming flash memory using distributed learning methods
| December 6, 1996 |
| 5694516 | Capacitive interface for coupling between a music chip and audio player
| May 22, 1995 |
| 5689453 | Data storing apparatus having a memory capable of storing analog data
| June 22, 1995 |
| 5684738 | Analog semiconductor memory device having multiple-valued comparators and floating-gate transistor
| November 9, 1995 |
| 5680343 | Semiconductor memory having mask ROM that can be set to plurality of threshold levels
| February 22, 1996 |
| 5680341 | Pipelined record and playback for analog non-volatile memory
| January 16, 1996 |
| 5671172 | Method of pedestal and common-mode noise correction for switched-capacitor analog memories
| October 29, 1996 |
| 5666303 | Current memory
| August 27, 1996 |
| 5629890 | Integrated circuit system for analog signal storing and recovery incorporating read while writing voltage program method
| September 14, 1994 |
| 5625584 | Non-volatile multi-state memory device with memory cell capable of storing multi-state data
| August 30, 1996 |
| 5625583 | Analog memory system having an integrated circuit frequency domain processor
| June 6, 1995 |
| 5623436 | Method and apparatus for adjustment and control of an iterative method of recording analog signals with on-chip trimming techniques
| November 4, 1994 |
| 5619445 | Analog memory system having a frequency domain transform processor
| June 6, 1994 |
| 5615142 | Analog memory system storing and communicating frequency domain information
| May 2, 1995 |
| 5606522 | Non-volatile analog memory
| December 20, 1995 |
| 5590104 | Method of pedestal and common-mode noise correction for switched-capacitor analog memories
| September 30, 1994 |
| 5581485 | Analog vector distance measuring and vector quantization architecture
| December 8, 1994 |
| 5572462 | Multistate prom and decompressor
| August 2, 1995 |
| 5566125 | Method and circuitry for storing discrete amounts of charge in a single memory element
| March 31, 1995 |
| 5566103 | Optical system having an analog image memory, an analog refresh circuit, and analog converters
| August 1, 1994 |
| 5555521 | Method of operating the semiconductor memory storing analog data and analog data storing apparatus
| June 9, 1995 |
| 5535167 | Non-volatile memory circuits, architecture
| May 9, 1995 |
| 5526301 | High-speed analog acquisition including signal processing
| January 13, 1995 |
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