General Instrument Corporation
1,172Patents
324Active
1,172Granted
54Portfolio score
Filing activity: Oct 27, 1972 → Apr 29, 2013 · 251 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5155591A | Method and apparatus for providing demographically targeted television commercials | Electricity | 997 | Expired |
| US5260778A | Apparatus for selective distribution of messages over a communications network | Electricity | 621 | Expired |
| US5917830A | Splicing compressed packetized digital video streams | Electricity | 616 | Expired |
| US4499354A | Susceptor for radiant absorption heater system | Chemistry; Metallurgy | 542 | Expired |
| US5844620A | Method and apparatus for displaying an interactive television program guide | Electricity | 537 | Expired |
| US6057872A | Digital coupons for pay televisions | Electricity | 486 | Expired |
| US5231494A | Selection of compressed television signals from single channel allocation based on viewer characteristics | Electricity | 448 | Expired |
| US5091782A | Apparatus and method for adaptively compressing successive blocks of digital video | Electricity | 406 | Expired |
| US4862268A | Addressable cable television control system with video format data transmission | Electricity | 382 | Expired |
| US5894320A | Multi-channel television system with viewer-selectable video and audio | Electricity | 380 | Expired |
| US6061449A | Secure processor with external memory using block chaining and block re-ordering | Physics | 348 | Expired |
| US5982445A | Hypertext markup language protocol for television display and control | Electricity | 332 | Expired |
| US7403838B2 | Messaging system based building control | Physics | 329 | Expired |
| US4685131A | Program blocking method for use in direct broadcast satellite system | Electricity | 323 | Expired |
| US5046093A | CATV subscriber apparatus with intelligent remote control | Electricity | 322 | Expired |
| US4739510A | Direct broadcast satellite signal transmission system | Electricity | 321 | Expired |
| US5991447A | Prediction and coding of bi-directionally predicted video object planes for interlaced digital video | Electricity | 310 | Expired |
| US5003591A | Functionally modifiable cable television converter system | Electricity | 307 | Expired |
| US5036537A | Geographic black-out method for direct broadcast satellite system | Electricity | 305 | Expired |
| US6057884A | Temporal and spatial scaleable coding for video object planes | Electricity | 296 | Expired |
| US7035270B2 | Home networking gateway | Electricity | 287 | Expired |
| US6324184A | Dynamic bandwidth allocation for a communication network | Electricity | 283 | Expired |
| USD407071S | 4-in-1 remote control unit | General | 274 | Expired |
| US4860379A | Data communications system | Electricity | 273 | Expired |
| US6173330A | Delivery and acquisition of data segments with optimized inter-arrival time | Electricity | 268 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.