System and method for recording and time-shifting programming in a television distribution system with limited content retention
US7818775B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2005 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Dec 4, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4728
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Various embodiments of the disclosed subject matter provide methods and systems to record broadcast programming for at least one television channel for a period of time, wherein the recording is performed upstream from subscribers in a television distribution system, and further including after the period of time, keeping recorded programming by request from at least one subscriber. And further wherein the request is for at least one television program contained in the recorded programming or for a time window for a particular channel. According to another embodiment a subscriber requests that broadcast programming be saved for the subscriber upstream from the subscriber in a television distribution system, and wherein the subscriber may request the programming be saved for later viewing by the subscriber between the time the programming was broadcast and a later point in time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.