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Electronic time delay switch for battery operated electrocardioscope - has ECG signal passed to trigger switch directly after operation of start button
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MULTIPLE ELECTRODE ARRANGEMENT
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High density electrode printer arrangement - using laminated construction and containing alternate conducting and insulating plates mounted on board
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Pulse frequency meter worn on wrist - measures blood pulse rate from electrode and uses oscillator to give time display signals
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Electrode arrangement on an electrocardioscope
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Metal location equipment for biological tissue - uses measuring head which emits signal which varies as metallic object is approached
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ELECTRONIC TIMER ON AN ELECTROCARDIOSCOPE
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CIRCUIT ARRANGEMENT FOR MEASURING TOOTH DEFLECTION
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Isotonic measurement arrangement and switching circuit - analyse movement of body organ by lever system with display of generated electrical signal
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Device for measuring electrical body potential
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ELECTROCARDIOSCOPE
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COMB-LIKE ELECTRODE ARRANGEMENT
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Apparatus for detecting and indicating electrical body potentials
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Burglar alarm system based on seismic principles - processes signals to ensure they lie within given amplitude and frequency windows before raising alarm
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Portable electrocardioscope
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PROCEDURE AND CIRCUIT ARRANGEMENT FOR CONTROLLING THE RECORDER COMBINATION OF A REGISTRATION DEVICE
