John I Stahl is a notable inventor based in Coral Springs, FL (US). He has made significant contributions to the field of technology, particularly in telecommunications and security systems. With a total of 2 patents to his name, his work reflects a commitment to innovation and practical solutions.

Latest Patents

One of John I Stahl's latest patents is for a cordless telephone with internal debit and credit memory. This invention provides a method of handling charge authorization in a cordless phone, allowing the device to be credited by a value representing a purchased amount prior to usage. The usage of the cordless phone is then permitted based on that value, which is debited during the phone's operation.

Another significant patent is for an alarm system that includes alarm transmitter identification codes and acoustic features. This system is designed to sense alarm conditions within a designated area using portable alarm units. Each unit is equipped with a radio frequency transmitter for identification and a secondary audio transmitter to define the relevant alarm area. The system also incorporates multiple transponders that communicate with a control unit to determine the alarm's location based on received signals.

Career Highlights

John I Stahl is currently associated with Motorola Corporation, a leading company in telecommunications and technology. His work at Motorola has allowed him to develop innovative solutions that enhance user experience and safety.

Collaborations

Throughout his career, John has collaborated with notable colleagues, including David L Brown and David R Heeschen. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

John I Stahl's contributions to innovation in telecommunications and security systems demonstrate his expertise and dedication to advancing technology. His patents reflect a blend of creativity and practicality, making a lasting impact in his field.