Company Filing History:
Years Active: 1990-1991
Title: Michael J Muchnik: Innovator in Disk Drive Technology
Introduction
Michael J Muchnik is a notable inventor based in Framingham, MA (US). He has made significant contributions to the field of disk drive technology, holding a total of 2 patents. His work has focused on enhancing the efficiency and functionality of disk drive systems.
Latest Patents
Muchnik's latest patents include a high-efficiency disk format and synchronization system. This innovative disk drive system integrates all necessary synchronization, positioning, validation, and data functions within each disk sector. The design features two distinct zones: a header section and a data section. The header section comprises a preamble, a synchronization character, an address field, and servo information for track following. The data section contains a data preamble, a data synchronization character, a bad sector bit map, the actual data, and data redundancy information.
To synchronize the read/write head to the disk, the system first detects a DC-erase field. It then searches for the header preamble and synchronization character. If these are found within predetermined times, the system locates a valid sector address to complete the synchronization. If not, it continues searching for another DC-erase field. Once the preamble and synchronization character are identified, the desired sector is located by reading the addresses of the succeeding sectors.
Another significant patent involves a data decoding circuit that receives an input signal comprising a sequence of pulses. This circuit generates a digital data output signal and timing signals in response. It includes a phase-locked loop that produces timing signals based on the input signal and an offset signal from a data separator circuit. The data separator generates the digital data output signal and the offset signal, which measures the correlation between the input signal and the timing signal from the phase-locked loop.
Career Highlights
Michael J Muchnik has worked at Digital Equipment Corporation, where he has contributed to various innovative projects. His expertise in disk drive technology has positioned him as a key figure in the development of advanced data storage solutions.
Collaborations
Muchnik has collaborated with notable coworkers, including Michael D Leis and Bruce A Leshay. Their combined efforts have led to significant advancements in the field of disk drive technology.
Conclusion
Michael J Muchnik's contributions to disk drive technology through his patents and work at Digital Equipment Corporation highlight his role as
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