Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for electronic payphone open switch interval management

Method and apparatus for electronic payphone open switch interval management

US Patent 4979208 · Granted Dec 18, 1990

Estimated economic value: $149,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device temperature control using device components2025
Targeted buffer priority management2025
Methods, systems, and apparatuses for power management of a video doorbell2024
Network packet latency management2024
Network packet latency management2023
Time shift buffer via flash memory2023
Time shift buffer via flash memory2022
Targeted buffer priority management2021
Time shift buffer via flash memory2020
Bandwidth limited dynamic frame rate video trick play2019
System and method for auto-machine menu configuration2013
System and method for auto-machine menu configuration2012