WO2008102362-A2  MIYAMOTO Y ET AL: "CARDIO RESPIRATORY DYNAMICS DURING SINUSOIDAL AND IMPULSE EXERCISE IN MAN" JAPANESE JOURNAL OF PHYSIOLOGY, vol. 33, no. 6, 1983, pages 971-986, XP008094022 ISSN: 0021-521X;  NEWMAN DAVID G ET AL: "The non-invasive assessment of stroke volume and cardiac output by impedance cardiography: A review" AVIATION SPACE AND ENVIRONMENTAL MEDICINE, vol. 70, no. 8, August 1999 (1999-08), pages 780-789, XP008093991 ISSN: 0095-6562 cited in the application;  MYERS ET AL: "Cardiac Output and Cardiopulmonary Responses to Exercise in Heart Failure: Application of a New Bio-Reactance Device" JOURNAL OF CARDIAL FAILURE, CHURCHILL LIVINGSTONE, NAPERVILLE, IL, US, vol. 13, no. 8, 6 October 2007 (2007-10-06), pages 629-636, XP022287147 ISSN: 1071-9164;  LELE SUHAS S ET AL: "Exercise capacity in hypertrophic cardiomyopathy: Role of stroke volume limitation, heart rate, and diastolic filling characteristics" CIRCULATION, vol. 92, no. 10, 1995, pages 2886-2894, XP002487808 ISSN: 0009-7322;  RAZA S B ET AL: "FILTERING RESPIRATION AND LOW-FREQUENCY MOVEMENT ARTEFACTS FROM THE CARDIOGENIC ELECTRICAL IMPEDANCE SIGNAL" MEDICAL AND BIOLOGICAL ENGINEERING AND COMPUTING, SPRINGER, HEILDELBERG, DE, vol. 30, no. 5, 1 September 1992 (1992-09-01), pages 556-561, XP000323425 ISSN: 0140-0118WO2008102362-A3  LELE SUHAS S ET AL: "Exercise capacity in hypertrophic cardiomyopathy: Role of stroke volume limitation, heart rate, and diastolic filling characteristics" CIRCULATION, vol. 92, no. 10, 1995, pages 2886-2894, XP002487808 ISSN: 0009-7322;  RAZA S B ET AL: "FILTERING RESPIRATION AND LOW-FREQUENCY MOVEMENT ARTEFACTS FROM THE CARDIOGENIC ELECTRICAL IMPEDANCE SIGNAL" MEDICAL AND BIOLOGICAL ENGINEERING AND COMPUTING, SPRINGER, HEILDELBERG, DE, vol. 30, no. 5, 1 September 1992 (1992-09-01), pages 556-561, XP000323425 ISSN: 0140-0118;  MIYAMOTO Y ET AL: "CARDIO RESPIRATORY DYNAMICS DURING SINUSOIDAL AND IMPULSE EXERCISE IN MAN" JAPANESE JOURNAL OF PHYSIOLOGY, vol. 33, no. 6, 1983, pages 971-986, XP008094022 ISSN: 0021-521X;  NEWMAN DAVID G ET AL: "The non-invasive assessment of stroke volume and cardiac output by impedance cardiography: A review" AVIATION SPACE AND ENVIRONMENTAL MEDICINE, vol. 70, no. 8, August 1999 (1999-08), pages 780-789, XP008093991 ISSN: 0095-6562 cited in the application;  MYERS ET AL: "Cardiac Output and Cardiopulmonary Responses to Exercise in Heart Failure: Application of a New Bio-Reactance Device" JOURNAL OF CARDIAL FAILURE, CHURCHILL LIVINGSTONE, NAPERVILLE, IL, US, vol. 13, no. 8, 6 October 2007 (2007-10-06), pages 629-636, XP022287147 ISSN: 1071-9164;  See also references of EP 2112904A2US8876725-B2  Lele Suhas S et al: "Exercise capacity in hypertrophic cardiomyopathy: Role of stroke volume limitation, heart rate, and diastolic filling characteristics" CIRCULATION, vol. 92, No. 10, 1995, pp. 2886-2894.;  Raza S B et al: "Filtering Respiration and Lowfrequency Movement Artefacts From the Cardiogenic Electrical Impedance Signal" Medical and Biological Engineering and Computing, Springer, Heildelberg, DE, vol. 30, No. 5, Sep. 1, 1992, pp. 556-561.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re. Application No. 08719934.5.;  Communication Pursuant to Article 94(3) EPC Feb. 12, 2010 From the European Patent Office Re.: Application No. 08738211.5.;  Response Dated Apr. 6, 2010 to Official Action of Oct. 6, 2009 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Examiner's Report Dated Nov. 15, 2010 From the Australian Government, IP Australia Re. Application No. 2006215274.;  Response Dated Dec. 29, 2010 to Notice of Reason for Rejection of Sep. 17, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Communication Pursuant to Article 94(3) EPC Dated Jan. 26, 2011 From the European Patent Office Re.: Application No. 04731993.4.;  Response Dated Jan. 30, 2011 to Communication Pursuant to Article 94(3) EPC of Oct. 20, 2010 From the European Patent Office Re. Application No. 08719934.5.;  Invitation Pursuant to Rule 62a(1) EPC Dated Jun. 10, 2010 From the European Patent Office Re. Application No. 06700959.7.;  Translation of Official Querry Dated Jul. 1, 2011 From the Japanese Patent Office Re. Application No. 2006-507622.;  Response Dated Jul. 25, 2011 to Communication Pursuant to Article 94(3) EPC of Jan. 26, 2011 From the European Patent Office Re.: Application No. 04731993.4.;  Response Dated Sep. 11, 2011 to Official Querry Dated Jul. 1, 2011 From the Japanese Patent Office Re. Application No. 2006-507622.;  Response Dated Jul. 4, 2010 to Invitation Pursuant to Rule 62a(1) EPC of Jun. 10, 2010 From the European Patent Office Re. Application No. 06700959.7.;  Communication Pursuant to Article 94(3) EPC Dated Jul. 8, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Communication Relating to the Results of the Partial International Search Dated Dec. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  International Preliminary Report on Patentability Dated Nov. 4, 2009 From the International Preliminary Examining Authority Re.: Application No. PCT/IL2008/001105.;  International Preliminary Report on Patentability Dated Aug. 16, 2007 From the International Preliminary Examining Authority Re.: Application No. PCT/IL06/00075.;  International Preliminary Report on Patentability Dated Sep. 17, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000309.;  International Preliminary Report on Patentability Dated Nov. 18, 2008 From the International Preliminary Examing Authority Re.: Application No. PCT/IL04/00395.;  International Preliminary Report on Patentability Dated Aug. 26, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000233.;  International Preliminary Report on Patentability Dated Oct. 29, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000509.;  International Search Report Dated Aug. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000309.;  International Search Report Dated Dec. 6, 2006 From the International Searching Authority Re.: Application No. PCT/IL06/00075.;  International Search Report Dated Mar. 22, 2005 From the International Searching Authority Re.: Application No. PCT/IL04/00395.;  International Search Report Dated Mar. 27, 2009 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  International Search Report Dated Jul. 28, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000233.;  Office Action Dated Dec. 12, 2008 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2.;  Office Action Dated Apr. 24, 2009 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200480019436.X.;  Office Action Dated Jul. 24, 2009 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2 and Its Translation Into English.;  Official Action Dated Oct. 6, 2009 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Official Action Dated Feb. 18, 2009 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Response Dated Nov. 8, 2009 to Communication Pursuant to Article 94(3) EPC of Jul. 8, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Supplementary Partial European Search Report Dated Apr. 9, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Translation of the Official Action Dated Dec. 12, 2008 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2.;  Written Opinion Dated Aug. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000309.;  Written Opinion Dated Dec. 6, 2006 From the International Searching Authority Re.: Application No. PCT/IL06/00075.;  Written Opinion Dated Mar. 22, 2005 From the International Searching Authority Re.: Application No. PCT/I104/00395.;  Written Opinion Dated Mar. 27, 2009 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  Written Opinion Dated Jul. 28, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000233.;  Bakshi et al. "Circulatory Response in Sleep Apnea Patients During Sleep Before and After CPAP Treatment", Sleep, XO008094214, 28(Suppl.S): A194: 0576, 2005. 19th Annual Meeting of the Associated-Professional-Sleep-Societies, Denver, CO, USA, Jun. 18-23, 2005. Abstract.;  Goovaerts et al. "A Wideband High Common Mode Rejection Ratio Amplifier for Multifrequency Impedance Measurement", Medical and Biological Engineering and Computing, XP000784850, 36(6): 761-767, Nov. 1, 1998. Section 2.2 'Lock-in Measurement', p. 761, p. 763, col. 2, Figs.2, 3.;  Jellinek et al. "Right Atrial Pressure Predicts Hemodynamic Response to Apneic Positive Airway Pressure", Critical Care Medicine, XP002488470, 28(3): 672-678, Mar. 2000. Database MEDLINE [Online], US National Library of Medicine, Database Accession No. NLM10752813. Abstract.;  Kubicek et al. "The Minnesota Impedance Cardiograph_Theory and Applications", Biomedical Engineering, XP001051054, 9(9): 410-416, Sep. 1, 1974. p. 411, Middle col., Figs.1, 2.;  Lele et al. "Exercise Capacity in Hypertrophic Cardiomyopathy. Role of Stroke Volume Limitation, Heart Rate, and Diastolic Filling Characteristics", Circulation, XP002487808, 92(10): 2886-2894, 1995.;  Lin et al. "Effects of Hypercapnia, Hypoxia, and Rebreathing on Circulatory Response to Apnea", Journal of Applied Physiology Respiratory Environmental and Exercise Physiology, XP008094195, 54(1): 172-177, 1983.;  Miyamoto et al. "Cardiorespiratory Dynamics During Sinusoidal and Impulse Exercise in Man", Japanese Journal of Physiology, XP008094022, 33(6): 971-986, 1983.;  Myers et al. "Cardiac Output and Cardiopulmonary Responses to Exercise in Heart Failure: Application of a New Bio-Resistance Device", Journal of Cardiac Failure, XP0022287174, 13(8): 629-636, Oct. 6, 2007.;  Newman et al. "The Non-Invasive Assessment of Stroke Volume and Cardiac Output by Impedance Cardiography: A Review", Aviation Space and Environmental Medicine, XP008093991, 70(8): 780-789, Aug. 1999.;  Raza et al. "Filtering Respiration and Low-Frequency Movement Artefacts From the Cardiogenic Electrical Impedance Signal", Medical and Biological Engineering and Computing, XP000323425, 30(5): 556-561, Sep. 1, 1992. p. 556, r-h col., --sect-- 3-p. 557, r-h col., --sect-- 1, p. 557, 1-h col., --sect-- 3, p. 558, 1-h col., --sect-- 2-r-h col., --sect-- 1, Fig.3.;  Saarelainen et al. "Whole-Body Impedance Recording_A Practical Method for the Diagnosis of Sleep Apnoea", Clinical Physiology and Functional Imaging, XO002488466, 23(2): 110-113, Mar. 2003.;  Schumacker et al. "Oxygen Delivery and Uptake Relationships in Patients With Aortic Stenosis", American Journal of Respiratory and Critical Care Medicine, XP002488468, 149(5): 1123-1131, May 1994. Database EMBASE [Online], Database Accession No. EMB-1994152503, 1994. Abstract.;  Stoohs et al. "Cardiovascular Changes Associated With Obstructive Sleep Apnea Syndrome", Journal of Applied Physiology, XP002488467, 72(2): 583-589, 1992. Database Biosis [Online], Biosciences Information Service, Database Accession No. PREV199293105800, 1992. Abstract.;  Tolle et al. "Reduced Stroke Volume Related to Pleural Pressure in Obstructive Sleep Apnea", Journal of Applied Physiology Respiratory Environmental and Exercise Physiology, XP002488469, 55(6): 1718-1724, 1983. Database BIOSIS [Online], Biosciences Information Service, Database Accession No. PREV198477063246, 1883. Abstract.;  Communication Pursuant to Article 94(3) EPC Dated Dec. 29, 2009 From the European Patent Office Re.: Application No. 08710233.1.;  Response Dated Sep. 12, 2011 to Official Action of Aug. 31, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Communication Under Rule 71(3) EPC Dated Oct. 7, 2011 From the European Patent Office Re.: Application No. 08738211.5.;  Response Dated Nov. 17, 2011 to Examiner's Report of Nov. 15, 2010 From the Australian Government, IP Australia Re. Application No. 2006215274.;  Response Dated Sep. 21, 2010 to Official Action of Jun. 22, 2010 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Translation of Notice of Reason for Rejection Dated Sep. 17, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Response Dated Jul. 21, 2010 to Notice of Reason for Rejection of Apr. 6, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Translation of Notice of Reason for Rejection Dated Apr. 6, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Official Action Dated Aug. 31, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Jun. 22, 2010 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Response Dated Jun. 28, 2010 to Communication Pursuant to Article 94(3) EPC of Dec. 29, 2009 From the European Patent Office Re.: Application No. 08710233.1.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 12, 2010 From the European Patent Office Re.: Application No. 08738211.5.;  Response Dated Jun. 3, 2010 to Communication Pursuant to Article 94(3) EPC of Feb. 12, 2010 From the European Patent Office Re.: Application No. 08738211.5.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re. Application No. 08789780.7.;  Requisition by the Examiner Dated Jan. 9, 2012 From the Canadian Intellectual Property Office Re. Application No. 2,525,443.;  Communication Pursuant to Article 94(3) EPC Dated Pct. 20, 2010 From the European Patent Office Re. Application No. 08719934.5.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re.: Application No. 08710233.1.;  Official Action Dated Nov. 2, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Delpierre et al. "Doppler Effect With Sound", Electronic Science Tutor, Retrieved From the Internet, 5 P., Oct. 18, 2011.;  Ellis "Introduction to Mixers", Retrieved From the Internet, 9 P., 1999.;  Notice of Allowance Dated Jan. 30, 2013 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Official Action Dated Aug. 2, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Jul. 24, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/596,483.;  Notice of Allowability Dated Nov. 21, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Aug. 9, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/889,395.;  Requisition by the Examiner Dated Jul. 24, 2012 From the Canadian Intellectual Property Office Re. Application No. 2,525,443.;  Applicant_Initiated Interview Summary Dated Sep. 17, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Communication Under Rule 71(3) EPC Dated Oct. 17, 2012 From the European Patent Office Re. Application No. 08789780.7.;  Notice of Allowance Dated Oct. 25, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Oct. 15, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/673,037.;  Official Action Dated Oct. 23, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/450,022.;  Patent Examination Report Dated Nov. 30, 2012 From the Australian Government, IP Australia Re. Application No. 2008288084.;  Patent Examination Report Dated Aug. 1, 2012 From the Australian Government, IP Australia Re. Application No. 2008242145.;  Brief Communication for Oral Proceedings on Dec. 10, 2013 Dated Dec. 3, 2013 From the European Patent Office Re. Application No. 04731993.4.;  Scofield "A Frequency-Domain Description of a Lock-in-Amplifier", American Journal of Physics, XP009097728, 62(2): 129-133, Feb. 1, 1994.;  Official Action Dated Mar. 10, 2014 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/889,395.;  Official Action Dated May 2, 2014 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Notice of Allowance Dated May 10, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/596,483.;  Official Action Dated Jun. 17, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/450,022.;  Official Action Dated Apr. 30, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/889,395.;  Restriction Official Action Dated Jul. 3, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Official Action Dated Aug. 12, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Summons to Attend Oral Proceedings Pursuant to Rule 115(1) EPC Dated Sep. 5, 2013 From the European Patent Office Re. Application No. 04731993.4.;  Requisition by the Examiner Dated Dec. 6, 2013 From the Canadian Intellectual Property Office Re. Application No. 2,597,264.;  Supplementary Partial European Search Report Dated Jul. 2, 2014 From the European Patent Office Re. Application No. 06700959.7.US9095271-B2  Raza S B et al: Medical and Biological Engineering and Computing, Springer, Heildelberg, DE, vol. 30, No. 5, Sep. 1, 1992, 556-561.;  Translation of Official Querry Dated Jul. 1, 2011 From the Japanese Patent Office Re. Application No. 2006-507622.;  Response Dated Sep. 12, 2011 to Official Action of Aug. 31, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Communication Under Rule 71(3) EPC Dated Oct. 7, 2011 From the European Patent Office Re. : Application No. 08738211.5.;  Written Opinion Dated Mar. 22, 2005 From the International Searching Authority Re.: Application No. PCT/I104/00395.;  Bakshi et al. "Circulatory Response in Sleep Apnea Patients During Sleep Before and After CPAP Treatment", Sleep, X0008094214, 28(Suppl.S): A194: 0576, 2005. 19th Annual Meeting of the Associated-Professional-Sleep-Societies, Denver, CO, USA, Jun. 18-23, 2005. Abstract.;  Goovaerts et al. "A Wideband High Common Mode Rejection Ratio Amplifier for Multifrequency Impedance Measurement", Medical and Biological Engineering and Computing, XP000784850, 36(6): 761-767, Nov. 1, 1998. Section 2.2 'Lock-in Measurement', p. 761, p. 763, col. 2, Figs.2, 3.;  Jellinek et al. "Right Atrial Pressure Predicts Hemodynamic Response to Apneic Positive Airway Pressure", Critical Care Medicine, XP002488470, 28(3): 672-678, Mar. 2000. Database MEDLINE [Online], US National Library of Medicine, Database Accession No. NLM10752813. Abstract.;  Lele et al. "Exercise Capacity in Hypertrophic Cardiomyopathy: Role of Stroke Volume Limitation, Heart Rate, and Diastolic Filling Characteristics", Circulation, XP002487808, 92(10): 2886-2894, 1995.;  Lin et al. "Effects of Hypercapnia, Hypoxia, and Rebreathing on Circulatory Response to Apnea", Journal of Applied Physiology Respiratory Environmental and Exercise Physiology, XP008094195, 54(1): 172-177, 1983.;  Miyamoto et al. "Cardiorespiratory Dynamics During Sinusoidal and Impulse Exercise in Man", Japanese Journal of Physiology, XP008094022, 33(6): 971-986, 1983.;  Myers et al. "Cardiac Output and Cardiopulmonary Responses to Exercise in Heart Failure: Application of a New Bio-Resistance Device", Journal of Cardiac Failure, XP0022287174, 13(8): 629-636, Oct. 6, 2007.;  Newman et al. "The Non-Invasive Assessment of Stroke Volume and Cardiac Output by Impedance Cardiography: A Review", Aviation Space and Environmental Medicine, XP008093991, 70(8): 780-789, Aug. 1999.;  Raza et al. "Filtering Respiration and Low-Frequency Movement Artefacts From the Cardiogenic Electrical Impedance Signal", Medical and Biological Engineering and Computing, XP000323425, 30(5): 556-561, Sep. 1, 1992. p. 556, r-h col., --sect-- 3_p. 557, r-h col., --sect-- 1, p. 557, 1-h col., --sect-- 3, p. 558, 1-h col., --sect-- 2_r-h col., --sect-- 1, Fig.3.;  Saarelainen et al. "Whole-Body Impedance Recording_A Practical Method for the Diagnosis of Sleep Apnoea", Clinical Physiology and Functional Imaging, X0002488466, 23(2): 110-113, Mar. 2003.;  Schumacker et al. "Oxygen Delivery and Uptake Relationships in Patients With Aortic Stenosis", American Journal of Respiratory and Critical Care Medicine, XP002488468, 149(5): 1123-1131, May 1994. Database EMBASE [Online], Database Accession No. EMB-1994152503, 1994. Abstract.;  Stoohs et al. "Cardiovascular Changes Associated With Obstructive Sleep Apnea Syndrome", Journal of Applied Physiology, XP002488467, 72(2): 583-589, 1992. Database Biosis [Online], Biosciences Information Service, Database Accession No. PREV199293105800, 1992. Abstract.;  Tolle et al. "Reduced Stroke Volume Related to Pleural Pressure in Obstructive Sleep Apnea", Journal of Applied Physiology Respiratory Environmental and Exercise Physiology, XP002488469, 55(6): 1718-1724, 1983. Database BIOSIS [Online], Biosciences Information Service, Database Accession No. PREV198477063246, 1883. Abstract.;  Response Dated Jan. 30, 2011 to Communication Pursuant to Article 94(3) EPC of Oct. 20, 2010 From the European Patent Office Re. Application No. 08719934.5.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re. Application No. 08789780.7.;  Requisition by the Examiner Dated Jan. 9, 2012 From the Canadian Intellectual Property Office Re. Application No. 2,525,443.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 12, 2010 From the European Patent Office Re.: Application No. 08738211.5.;  Communication Pursuant to Article 94(3) EPC Dated Dec. 29, 2009 From the European Patent Office Re.: Application No. 08710233.1.;  Office Action Dated Jul. 24, 2009 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2 and Its Translation Into English.;  Response Dated Apr. 6, 2010 to Official Action of Oct. 6, 2009 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Written Opinion Dated Dec. 6, 2006 From the International Searching Authority Re.: Application No. PCT/IL06/00075.;  Response Dated Sep. 11, 2011 to Official Querry Dated Jul. 1, 2011 From the Japanese Patent Office Re. Application No. 2006-507622.;  Official Action Dated Nov. 2, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Delpierre et al. "Doppler Effect With Sound", Electronic Science Tutor, Retrieved From the Internet, 5 P., Oct. 18, 2011.;  Ellis "Introduction to Mixers", Retrieved From the Internet, 9 P., 1999.;  Communication Pursuant to Article 94(3) EPC Dated Jan. 26, 2011 From the European Patent Office Re.: Application No. 04731993.4.;  Response Dated Sep. 21, 2010 to Official Action of Jun. 22, 2010 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Communication Pursuant to Article 94(3) EPC Dated Oct. 20, 2010 From the European Patent Office Re. Application No. 08719934.5.;  Communication Pursuant to Article 94(3) EPC Dated May 14, 2012 From the European Patent Office Re. : Application No. 04731993.4.;  Requisition by the Examiner Dated May 30, 2012 From the Canadian Intellectual Property Office Re. Application No. 2,597,264.;  Response Dated Nov. 17, 2011 to Examiner's Report of Nov. 15, 2010 From the Australian Government, IP Australia Re. Application No. 2006215274.;  Communication Pursuant to Article 94(3) EPC Dated Jul. 8, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Examiner's Report Dated Nov. 15, 2010 From the Australian Government, IP Australia Re. Application No. 2006215274.;  Response Dated Jun. 3, 2010 to Communication Pursuant to Article 94(3) EPC of Feb. 12, 2010 From the European Patent Office Re.: Application No. 08738211.5.;  Invitation Pursuant to Rule 62a(1) EPC Dated Jun. 10, 2010 From the European Patent Office Re. Application No. 06700959.7.;  Official Action Dated Jun. 22, 2010 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Response Dated Jun. 28, 2010 to Communication Pursuant to Article 94(3) EPC of Dec. 29, 2009 From the European Patent Office Re.: Application No. 08710233.1.;  Response Dated Jul. 25, 2011 to Communication Pursuant to Article 94(3) EPC of Jan. 26, 2011 From the European Patent Office Re.: Application No. 04731993.4.;  Official Action Dated Aug. 31, 2011 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Response Dated Dec. 29, 2010 to Notice of Reason for Rejection of Sep. 17, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  International Preliminary Report on Patentability Dated Nov. 4, 2009 From the International Preliminary Examining Authority Re.: Application No. PCT/IL2008/001105.;  International Preliminary Report on Patentability Dated Sep. 17, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000309.;  International Preliminary Report on Patentability Dated Aug. 26, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000233.;  International Preliminary Report on Patentability Dated Oct. 29, 2009 From the International Bureau of WIPO Re.: Application No. PCT/IL2008/000509.;  Official Action Dated Oct. 6, 2009 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Response Dated Nov. 8, 2009 to Communication Pursuant to Article 94(3) EPC of Jul. 8, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re. Application No. 08719934.5.;  Response Dated Jul. 4, 2010 to Invitation Pursuant to Rule 62a(1) EPC of Jun. 10, 2010 From the European Patent Office Re. Application No. 06700959.7.;  Response Dated Jul. 21, 2010 to Notice of Reason for Rejection of Apr. 6, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Translation of Notice of Reason for Rejection Dated Apr. 6, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Translation of Notice of Reason for Rejection Dated Sep. 17, 2010 From the Japanese Patent Office Re. Application No. 2006-507622.;  Communication Relating to the Results of the Partial International Search Dated Dec. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  International Preliminary Report on Patentability Dated Aug. 16, 2007 From the International Preliminary Examining Authority Re.: Application No. PCT/IL06/00075.;  International Preliminary Report on Patentability Dated Nov. 18, 2008 From the International Preliminary Examing Authority Re.: Application No. PCT/IL04/00395.;  International Search Report Dated Aug. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000309.;  International Search Report Dated Dec. 6, 2006 From the International Searching Authority Re.: Application No. PCT/IL06/00075.;  International Search Report Dated Mar. 22, 2005 From the International Searching Authority Re.: Application No. PCT/IL04/00395.;  International Search Report Dated Mar. 27, 2009 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  international Search Report Dated Jul. 28, 2008 From the international Searching Authority Re.: Application No. PCT/IL2008/000233.;  Office Action Dated Dec. 12, 2008 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2.;  Office Action Dated Apr. 24, 2009 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200480019436.X.;  Official Action Dated Feb. 18, 2009 From the US Patent and Trademark Office Re.: U.S Appl. No. 10/556,483.;  Supplementary Partial European Search Report Dated Apr. 9, 2009 From the European Patent Office Re.: Application No. 04731993.4.;  Translation of the Official Action Dated Dec. 12, 2008 From the State Intellectual Property Office of the People's Republic of China Re.: Application No. 200680012560.2.;  Written Opinion Dated Aug. 5, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000309.;  Written Opinion Dated Mar. 27, 2009 From the International Searching Authority Re.: Application No. PCT/IL2008/001105.;  Written Opinion Dated Jul. 28, 2008 From the International Searching Authority Re.: Application No. PCT/IL2008/000233.;  Kubicek et al. "The Minnesota Impedance Cardiograph_Theory and Applications", Biomedical Engineering, XP001051054, 9(9): 410-416, Sep. 1, 1974. p. 411, Middle Col., Figs.1, 2.;  Official Action Dated Jul. 10, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/527,697.;  Official Action Dated Oct. 23, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/450,022.;  Notice of Allowability Dated Nov. 21, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Aug. 2, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Jul. 24, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/596,483.;  Patent Examination Report Dated Aug. 1, 2012 From the Australian Government, IP Australia Re. Application No. 2008242145.;  Requisition by the Examiner Dated Jul. 24, 2012 From the Canadian Intellectual Property Office Re. Application No. 2,525,443.;  Communication Under Rule 71(3) EPC Dated Oct. 17, 2012 From the European Patent Office Re. Application No. 08789780.7.;  Notice of Allowance Dated Oct. 25, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Official Action Dated Oct. 15, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/673,037.;  Patent Examination Report Dated Nov. 30, 2012 From the Australian Government, IP Australia Re. Application No. 2008288084.;  Official Action Dated Apr. 9, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/527,697.;  Notice of Allowance Dated Jan. 30, 2013 From the US Patent and Trademark Office Re.: U.S. Appl. No. 10/556,483.;  Applicant-Initiated Interview Summary Dated Sep. 17, 2012 From the US Patent and Trademark Office Re. U.S. Appl. No. 11/884,227.;  Brief Communication for Oral Proceedings on Dec. 10, 2013 Dated Dec. 3, 2013 From the European Patent Office Re. Application No. 04731993.4.;  Scofield "A Frequency-Domain Description of a Lock-in-Amplifier", American Journal of Physics, XP009097728, 62(2): 129-133, Feb. 1, 1994.;  Notice of Allowance Dated May 10, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/596,483.;  Official Action Dated Jun. 17, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/450,022.;  Official Action Dated Jun. 26, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 12/527,697.;  Restriction Official Action Dated Jul. 3, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Requisition by the Examiner Dated Dec. 6, 2013 From the Canadian Intellectual Property Office Re. Application No. 2,597,264.;  Communication Pursuant to Article 94(3) EPC Dated Feb. 13, 2012 From the European Patent Office Re.: Application No. 08710233.1.;  Official Action Dated Aug. 12, 2013 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Summons to Attend Oral Proceedings Pursuant to Rule 115(1) EPC Dated Sep. 5, 2013 From the European Patent Office Re. Application No. 04731993.4.;  Official Action Dated May 2, 2014 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Supplementary Partial European Search Report Dated Jul. 2, 2014 From the European Patent Office Re. Application No. 06700959.7.;  Official Action Dated Jan. 28, 2015 From the US Patent and Trademark Office Re. U.S. Appl. No. 13/757,920.;  Requisition by the Examiner and Examination Search Report Dated Feb. 4, 2015 From the Canadian Intellectual Property Office Re. Application No. 2,683,684.;  Requisition by the Examiner and Examination Search Report Dated Dec. 15, 2014 From the Canadian Intellectual Property Office Re. Application No. 2,695,726.;  Requisition by the Examiner Dated Dec. 2, 2014 From the Canadian Intellectual Property Office Re. Application No. 2,597,264.