Sicom, Inc.
37Patents
0Active
37Granted
37Portfolio score
Filing activity: Jan 11, 1988 → Nov 19, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6097764A | Pragmatic trellis-coded modulation system and method therefor | Electricity | 184 | Expired |
| US4922506A | Compensating for distortion in a communication channel | Electricity | 99 | Expired |
| US5440265A | Differential/coherent digital demodulator operating at multiple symbol points | Electricity | 68 | Expired |
| US5553098A | Demodulator with selectable coherent and differential data | Electricity | 59 | Expired |
| US5386202A | Data communication modulation with managed intersymbol interference | Electricity | 55 | Expired |
| US6041088A | Rapid synchronization for communication systems | Electricity | 46 | Expired |
| US5910967A | Pragmatic encoder and method therefor | Electricity | 45 | Expired |
| US6222878A | Communication system with end-to-end quadrature balance control | Electricity | 41 | Expired |
| US5949769A | Multirate local multipoint data distribution system | Electricity | 39 | Expired |
| US5878085A | Trellis coded modulation communications using pilot bits to resolve phase ambiguities | Electricity | 36 | Expired |
| US5721756A | Digital receiver with tunable analog parameters and method therefor | Electricity | 34 | Expired |
| US5774084A | Method and apparatus for translating digital data into an analog signal | Electricity | 33 | Expired |
| US6363124B1 | Phase-noise compensated digital communication receiver and method therefor | Electricity | 33 | Expired |
| US5818832A | Rapid synchronization for communication systems | Electricity | 31 | Expired |
| US6442217B1 | Digital communication receiver with digital, IF, I-Q balancer | Electricity | 31 | Expired |
| US5949832A | Digital receiver with tunable analog filter and method therefor | Electricity | 31 | Expired |
| US6104761A | Constrained-envelope digital-communications transmission system and method therefor | Electricity | 29 | Expired |
| US5995551A | Rotationally invariant pragmatic trellis coded digital communication system and method therefor | Electricity | 28 | Expired |
| US6507628B1 | Distortion-compensated digital communications receiver and method therefor | Electricity | 28 | Expired |
| US5671257A | Symbol timing recovery based on complex sample magnitude | Electricity | 27 | Expired |
| US6392500B1 | Rotationally invariant digital communications | Electricity | 23 | Expired |
| US6151368A | Phase-noise compensated digital communication receiver and method therefor | Electricity | 22 | Expired |
| US6337606B1 | Digital communications modulator having a modulation processor which supports high data rates | Electricity | 21 | Expired |
| US5764102A | Multi-stage symbol synchronization | Electricity | 18 | Expired |
| US6366619B1 | Constrained-envelope transmitter and method therefor | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.