Invention Grant
- Patent Title: System and method for allowing copying or distribution of a copy protected signal
- Patent Title (中): 允许复制或分发复制保护信号的系统和方法
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Application No.: US12987463Application Date: 2011-01-10
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Publication No.: US08259939B2Publication Date: 2012-09-04
- Inventor: John O. Ryan , Ronald Quan
- Applicant: John O. Ryan , Ronald Quan
- Applicant Address: US CA Santa Clara
- Assignee: Rovi Solutions Corporation
- Current Assignee: Rovi Solutions Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Schwegman Lundberg & Woessner, P.A.
- Main IPC: H04N7/167
- IPC: H04N7/167
Abstract:
A copy protection system and method for allowing copying or distribution of a copy protected signal is disclosed. One embodiment includes an apparatus and method for receiving a content signal via a WiFi communications channel, the content signal including a control signal; and using a modifying circuit coupled with the WiFi communications channel to generate an analog copy protection signal based on the control signal, the control signal causing the modifying circuit to add or delete the analog copy protection signal to or from the content signal.
Public/Granted literature
- US20110107438A1 SYSTEM AND METHOD FOR ALLOWING COPYING OR DISTRIBUTION OF A COPY PROTECTED SIGNAL Public/Granted day:2011-05-05
Information query
