Invention Grant
- Patent Title: Gathering research data
- Patent Title (中): 收集研究资料
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Application No.: US11805075Application Date: 2007-05-21
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Publication No.: US07908133B2Publication Date: 2011-03-15
- Inventor: Alan R. Neuhauser
- Applicant: Alan R. Neuhauser
- Applicant Address: US MD Columbia
- Assignee: Arbitron Inc.
- Current Assignee: Arbitron Inc.
- Current Assignee Address: US MD Columbia
- Agency: Barnes & Thornburg LLP
- Main IPC: G10L19/00
- IPC: G10L19/00
Abstract:
Methods and systems are provided for gathering research data. Frequency domain data is received or produced, a signature is extracted from the frequency domain data and an ancillary code is read from the frequency domain data.
Public/Granted literature
- US20080086304A1 Gathering research data Public/Granted day:2008-04-10
Information query
