Take the 2-minute tour ×
Ask Patents is a question and answer site for people interested in improving and participating in the patent system. It's 100% free, no registration required.

I looked at this patent and it seems (to me) most claims are too vague and that prior art apply for a lot of them.
Having a microphone in a stethoscope, sound capturing device or alike in not new, having electronics involving micro-controllers and DSP to do signal processing is not either. It seems also some inventors have also thought about having a central monitoring system. I found the patents below that might be interesting to consider:

US4086917 : Featl Heart Monitoring System (multiple systems connected to central monitoring stations) (May 1978)
US5932849 : Stethoscope having microphone therein (Aug. 1999)
US6002777 : Electronic stethoscope (Dec. 1999)
US7818050 : Passive Phonography Heart Monitor (Oct. 2010)
CN2525940 (Y) - Domestic electronic audio monitoring measurer for fetal heart rate

I also found an interesting publication:

Development of a low cost fetal heart sound monitoring system for home care application (Arun Kumar Mittra1, Nitin K. Choudhari2 - October 26, 2009)

Maybe someone could have a more expert reading of this application than mine and share the outcome.

Thanks.

Google link: https://www.google.com/patents/WO2011137930A1

share|improve this question

2 Answers 2

Just to be clear, WO2011137930A1 is not a patent. It's a publication of an "international" application for a patent.

I would agree that the independent claims appear to be broad (although not necessarily vague) and likely anticipated by prior art.

share|improve this answer

Download the International Preliminary Report on Patentability Chapter I from patentscope. Claim 1 lacks novelty in light of four prior art documents.

share|improve this answer

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.