Apparatus for use in sensing the pulse
First Claim
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1. A TRANSDUCER ADAPTED FOR USE IN TAKING A PULSE READING COMPRISING A DEVICE UNITARILY INCORPORATING A LIGHT SOURCE AND A PHOTOCELL AND HAVING A SIDE FACE ADAPTED TO BE PLACED IN CONTACT WITH A BODY SURFACE, BOTH SAID LIGHT SOURCE AND SAID PHOTOCELL BEING OPTICALLY EXPOSED THROUGH SAID ONE SIDE FACE OF THE DEVICE, AND AN OPTICAL SHIELD BETWEEN THE LIGHT SOURCE AND THE PHOTOCELL, THE SHIELD HAVING AN EDGE PORTION EXTENDED SUBSTANTIALLY TO THE PLANE OF SAID SIDE FACE.
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1 Claim
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1. A TRANSDUCER ADAPTED FOR USE IN TAKING A PULSE READING COMPRISING A DEVICE UNITARILY INCORPORATING A LIGHT SOURCE AND A PHOTOCELL AND HAVING A SIDE FACE ADAPTED TO BE PLACED IN CONTACT WITH A BODY SURFACE, BOTH SAID LIGHT SOURCE AND SAID PHOTOCELL BEING OPTICALLY EXPOSED THROUGH SAID ONE SIDE FACE OF THE DEVICE, AND AN OPTICAL SHIELD BETWEEN THE LIGHT SOURCE AND THE PHOTOCELL, THE SHIELD HAVING AN EDGE PORTION EXTENDED SUBSTANTIALLY TO THE PLANE OF SAID SIDE FACE.
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Current AssigneeKenneth Richter Harold
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Original AssigneeKenneth Richter Harold
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InventorsKENNETH RICHTER HAROLD
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Application NumberUS04/124,728Time in Patent Office1,289 DaysField of SearchUS Class Current250/239CPC Class CodesA61B 5/024 Detecting, measuring or rec...A61B 5/02416 using photoplethysmograph s...
