Company Filing History:
1 out of 950 
1 out of 21 Years Active: 1994-2000
Title: Fred N Wamble: Innovator in Optical Data Recovery
Introduction
Fred N Wamble is a notable inventor based in Colorado Springs, CO (US). He has made significant contributions to the field of optical data recovery, holding a total of 2 patents. His work focuses on improving data recovery methods and apparatuses, which are crucial for enhancing recording density in optical systems.
Latest Patents
Wamble's latest patents include a "Method and apparatus for maximum likelihood detection" and an "Optical data recorder with segment synchronization marks." The first patent describes a method for recovering data from an optical read channel that tolerates lower phase and amplitude margins. This method involves digitizing samples of a signal, clipping them, and determining signal polarity changes to generate logical values for channel bits. The apparatus includes various components such as a signal-level limiter and a channel bit transition generator.
The second patent outlines a method for identifying the beginning of a segment within a track of a record carrier. This is achieved by detecting control marks at specific positions, which are essential for bit clock synchronization. The apparatus for reading these marks includes a qualification circuit that evaluates the difference in detector output at the relevant positions.
Career Highlights
Throughout his career, Fred N Wamble has worked with prominent companies such as North American Philips Corporation and Philips Electronics N.A. Corporation. His experience in these organizations has contributed to his expertise in optical data recovery technologies.
Collaborations
Wamble has collaborated with notable professionals in his field, including Johannes J Verboom. Their joint efforts have likely advanced the development of innovative solutions in optical data recovery.
Conclusion
Fred N Wamble's contributions to optical data recovery through his patents and career experiences highlight his role as an influential inventor. His work continues to impact the field, paving the way for advancements in data recovery technologies.
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