This inventor holds 4 USPTO granted patents. Top assignees: Mars, Incorporated, Mars Incorporate. Active years: 1987-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Berkshire, GB (1987 - 1993)
- Reading, GB (1996)
Company Filing History:
Years Active: 1987-1996
Title: John W. Bailey: Coin-Testing and Currency-Handling Patents
Introduction
John W. Bailey is an inventor associated with Berkshire, Great Britain. His work includes inventions in currency handling and coin testing, and he is credited with 4 patents.
Latest Patents
One of Bailey’s latest patents is titled “Currency Handling Apparatus.” Another is “Method and Apparatus for Testing Coins,” which describes a way to assess whether a coin is genuine by measuring how it affects an inductor’s electrical properties.
In the disclosed method, a coin is exposed to an oscillating field generated by an inductor. The apparatus measures the inductor’s reactance and loss with the coin present, then compares those measurements with the coin-absent baseline. It determines whether the resulting displacement in the impedance plane aligns with a reference direction. The patent also describes refinements for addressing phase error, improving signal handling, detecting coin thickness, and using changes in reactance as an additional acceptance criterion.
Career Highlights
Bailey’s listed company affiliations include Mars, Incorporated. His patent work reflects an application of measurement techniques to practical currency-handling and coin-validation systems.
Collaborations
Bailey’s listed coworkers include Paul A. Hayter and Brian R. Mason.
Conclusion
John W. Bailey’s patents connect electrical measurement methods with currency-handling technology, particularly the testing and validation of coins.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile