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Martin J Slavin: Differential stethoscope. Intech Systems, Blum Kaplan Friedman Silberman & Beran, March 27, 1984: US04438772 (50 worldwide citation)

A portable differential stethoscope includes small microphone elements which are attached to the stethoscope heads to pick up acoustic signals from the body. The sounds picked up by the stethoscope heads include body noise signals as well as heartbeat signals. Each stethoscope head and microphone el ...


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Martin J Slavin: Computerized audiometer. Intech Systems, Blum Kaplan Friedman Silberman & Beran, December 25, 1984: US04489610 (35 worldwide citation)

A computerized audiometer is provided with at least one head set, a control switch, a tone generator for providing a plurality of sequential tones of different frequencies and amplifications to at least one head set, and a central processing unit for receiving data representative of the response to ...


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Martin J Slavin: Electrocardiograph with digitally-printing waveform display. Intech Systems, Blum Kaplan Friedman Silberman & Beran, November 20, 1984: US04483346 (24 worldwide citation)

An electrocardiograph included microprocessor control of signals not only from conventional electrocardiograph electrodes but also from a phonocardiographic pickup. The signals are multiplexed, converted to digital representations for processing and are displayed on a printer. Keyboard control of th ...


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Theodore E Larsen: Method of selecting and reproducing language characters. Intech Systems, Paul L Sjoquist, October 6, 1987: US04698758 (14 worldwide citation)

A method of selecting and reproducing language characters, preferably in languages having a multitude of pictorial characters, from phonetic or sound representation of the language, includes the steps of displaying the phonetic symbols which show all of the sounds of the language without intonations ...


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Ronald L Binning, Burton C Sieder: Accumulator pan transfer device. Intech Systems, Michael Sand Co, January 28, 1986: US04566838 (10 worldwide citation)

A device for transferring article storage pans between a selected storage compartment and shuttle which moves along the aisles of storage racks in a warehouse. The accumulator pan transfer device is vertically, movably mounted on the shuttle. An extractor carriage has a plurality of spaced cogged ro ...


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Slavin Martin J: Appareil de prothese auditive differentielle a reponse en frequence programmable. Intech Systems, October 18, 1985: FR2562789-A1 (9 worldwide citation)

L'INVENTION CONCERNE UN APPAREIL DE PROTHESE AUDITIVE DIFFERENTIEL A REPONSE EN FREQUENCES PROGRAMMABLE.L'APPAREIL COMPORTE UN PREMIER MICROPHONE 10, UN SECOND MICROPHONE 12 ORIENTE DANS UNE DIRECTION DIFFERENTE, UN CIRCUIT SOUSTRACTIF 26 QUI RECOIT LES SIGNAUX DE SORTIE DES DEUX MICROPHONES ET QUI ...


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Martin J Slavin: Differential doppler for blood flow measurement. Intech Systems, Blum Kaplan Friedman Silberman & Beran, May 7, 1985: US04515164 (5 worldwide citation)

A portable apparatus for determining the degree of occlusion in a blood vessel. The apparatus includes a transmitter for producing an ultrasonic signal, a first probe for directing the ultrasonic signal to a first location in a blood vessel and a second probe for directing an ultrasonic signal to a ...


9
Slavin Martin J: Computerized audiometer. Intech Systems, October 18, 1985: FR2562786-A1 (2 worldwide citation)

A computerized audiometer is provided with at least one head set, a control switch, a tone generator for providing a plurality of sequential tones of different frequencies and amplifications to at least one head set, and a central processing unit for receiving data representative of the response to ...


10
Slavin Martin J: Differential stethoscope. Intech Systems, May 9, 1985: GB2147475-A (1 worldwide citation)

A portable differential stethoscope includes small microphone elements (16, 18) which are attached to the stethoscope heads (12, 14) to pick up acoustic signals from the body. The sounds picked up by the stethoscope heads include body noise signals as well as heartbeat signals. Each stethoscope head ...