Invention Grant
- Patent Title: Test system with digital calibration generator
- Patent Title (中): 带数字校准发生器的测试系统
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Application No.: US13127117Application Date: 2009-09-22
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Publication No.: US08843223B2Publication Date: 2014-09-23
- Inventor: Lars Birger Nielsen
- Applicant: Lars Birger Nielsen
- Applicant Address: DK Naerum
- Assignee: Bruel & Kjaer Sound & Vibration Measurement A/S
- Current Assignee: Bruel & Kjaer Sound & Vibration Measurement A/S
- Current Assignee Address: DK Naerum
- Agency: Nixon Peabody LLP
- Priority: DK200801512 20081103
- International Application: PCT/EP2009/062259 WO 20090922
- International Announcement: WO2010/060669 WO 20100603
- Main IPC: G06F17/00
- IPC: G06F17/00 ; H04B17/00 ; H04S7/00 ; H04M1/24 ; H04M1/253

Abstract:
The present invention relates to calibration of a computerized test system (20) for testing digital audio devices (30) through a data communication interface. The computerized test system comprises a sound card and a digital calibration generator (31) for calibrating at least a signal receipt channel (25) of the computerized test system (20).
Public/Granted literature
- US20110258489A1 TEST SYSTEM WITH DIGITAL CALIBRATION GENERATOR Public/Granted day:2011-10-20
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