Frederick Electronic Corporation
10Patents
0Active
10Granted
33Portfolio score
Filing activity: May 5, 1976 → Mar 10, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4425616A | High-speed time share processor | Electricity | 28 | Expired |
| US4292465A | Distributed processing telex exchange | Electricity | 26 | Expired |
| US4291196A | Circuit for handling conversation data in a distributed processing telex exchange | Electricity | 23 | Expired |
| US4418318A | Digital phase-locked loop circuit | Electricity | 20 | Expired |
| US4288658A | Apparatus for generating telex signaling sequences in a distributed processing telex exchange | Electricity | 20 | Expired |
| US4272141A | Electronic card cage interfacing assembly | Electricity | 12 | Expired |
| US4107612A | Phase locked loop exciter generator for high frequency transmitter | Electricity | 11 | Expired |
| US4210777A | Pseudo-transparent stop bit generator | Electricity | 11 | Expired |
| US4355403A | Teletypewriter line keyer with switching current regulator | Electricity | 6 | Expired |
| US4317209A | FSK Tone generator circuit | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.