1
Peter Griebel: Method and apparatus for diagnosis of sleep disorders. Madaus Schwarzer Medizintechnik & Co KG, Felfe & Lynch, January 4, 1994: US05275159 (610 worldwide citation)

The physiological parameters of heart rate, respiratory and snoring sounds, the degree of oxygen saturation of the blood, and the bodily position of the patient are measured and stored in coded form by means of portable apparatus. The stored data are transferred to a computer and then analyzed. The ...


2
Peter Griebel: Method and device for quantitative analysis of sleep disturbances. MAP Medizintechnik fur Arzt und Patient, George W Rauchfuss, Ohlandt Greeley Ruggiero & Perle, September 19, 2000: US06120441 (130 worldwide citation)

The invention relates to an apparatus and a method for the stationary and ambulant detection, recording and quantitative analysis of sleep disorders, sleep-related respiratory disturbances, cardiac rhythm disturbances, myoclonia, variations in blood pressure, depth of sleep parameters, movement para ...


3
Peter Griebel: Diagnostic apnea monitor system. Dr Madaus, Felfe & Lynch, January 8, 1991: US04982738 (110 worldwide citation)

In a method of diagnosing obstructive sleep apnea, snoring and respiration sounds made by a patient, as well as the patient's heart rate, are recorded while the patient is sleeping. Signals indicative of snoring sounds and the time intervals therebetween are produced from the respiration sounds and ...


4
Peter Griebel: Post-laryngectomy speech aid. Dr Kuhn & Co, Felfe & Lynch, February 12, 1991: US04993071 (3 worldwide citation)

A speech aid for laryngectomy patients is described and comprises an electromechanical transformer with a power output stage connected upstream, a pulse generator for the production of a basic frequency, manually operated switches and electrical filters designed to vary the pulse frequency as a func ...


5