Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Modulation/demodulation circuit and communication system utilizing the same

Modulation/demodulation circuit and communication system utilizing the same

US Patent 5400404 · Granted Mar 21, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cellular phone in which memory is removably installable due to the removability 2005
Extension phone type cordless telephone set1996
Telephone power interruption data backup apparatus1995
Side tone preventive circuit for telephone1991