Wrist worn pulse rate measuring instrument - has plug in electromechanical or electroacoustic converter inside strap connected to computer circuit
The pulse rate measuring instrument worn on the wrist in the manner of a wristwatch, has an electromechanical converter (6) which plugs into the interior surface of the strap (3). The dial (4) gives a numerical read out and has a switch (5) underneath the numerical display window (2). The control ci...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The pulse rate measuring instrument worn on the wrist in the manner of a wristwatch, has an electromechanical converter (6) which plugs into the interior surface of the strap (3). The dial (4) gives a numerical read out and has a switch (5) underneath the numerical display window (2). The control circuit has a normal frequency generator connected to a frequency divider connected to the switch. In parallel with the divider and the switch contact is a flip flop and a counting unit. Between them is a gate switch connected to the electromechanical or electroacoustic converter (6). |
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