Company Filing History:
7 out of 2,979 
1 out of 832,843 Years Active: 1984-1991
Title: The Innovations of Henry Stalzer
Introduction
Henry Stalzer is a notable inventor based in Danbury, CT (US). He holds a total of 8 patents that showcase his contributions to the field of electronic postage meters. His work emphasizes security and efficiency in postal technology.
Latest Patents
One of his latest patents is for a postage meter with a non-volatile memory security circuit. This electronic postage meter features a security circuit designed to limit the time memories can be continuously enabled. It also prevents simultaneous enabling of both memories and restricts write enabling of a memory if the write enable signal is active before a memory select signal is active. This innovative circuit ensures that memory access is blocked when a conflict is detected, thereby protecting critical accounting information from being modified or destroyed.
Another significant patent involves an electronic postage meter that provides power up and power down protection. This invention includes mechanisms for detecting regulated and unregulated voltage levels, as well as a predetermined frequency from the system clock. A reset delay circuit is responsive to these detected levels, allowing access to non-volatile memories only when conditions are met. This design enhances the security of critical accounting information during the powering up and down of the postage meter.
Career Highlights
Henry Stalzer has made significant contributions to the industry through his work at Pitney Bowes Inc. His experience in developing advanced postage meter technologies has positioned him as a key figure in the field.
Collaborations
Throughout his career, Stalzer has collaborated with notable individuals such as Peter C DiGiulio and Donald T Dolan. These partnerships have likely contributed to the innovative advancements in his patents.
Conclusion
Henry Stalzer's work in the realm of electronic postage meters highlights his commitment to innovation and security. His patents reflect a deep understanding of technology and its application in enhancing postal services. His contributions continue to influence the industry today.