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3774593 METHOD OF AND APPARATUS FOR SLEEP MONITORING BY BRAINWAVE, ELECTROMYOGRAPHIC AND EYE MOVEMENT SIGNALS  
An apparatus for monitoring the behaviour during sleep of a living organism for measuring the mental condition of the living organism while the latter is sleeping, which essentially comprises an...
3760796 METHOD AND APPARATUS FOR AUTOMATIC ANALYSIS OF BRAIN WAVE SIGNALS  
A method and apparatus for the automatic analysis of the electroencephalogram waveform through the evaluation of the waves of the EEG waveform which occur within the frequency range from 3.5 Hz. to...
3732859 BRAIN WAVE MEASURING APPARATUS  
In brain wave measuring apparatus comprising at least two electrodes adapted to be contacted against the skin of a living body and an amplifier with its inputs connected to the electrodes, serially...
3725690 APPARATUS FOR EVALUATING A SIGNAL  
Apparatus to determine directly from a signal the frequency which represents the standard deviation in the output spectrum of the signal as well as the ratio between the standard deviation of the...
3721230 HIGH-GAIN MONITOR TO DETERMINE ELECTRO-CEREBRAL SILENCE  
An apparatus for measuring physiological conditions of human and animal bodies characterized by; in addition to a preamplifier, filter, amplifier, recorder, and power supply; a common mode noise...
3699947 ELECTROENCEPHALOGRAPH MONITORING APPARATUS  
Monitoring equipment is provided for monitoring electrical signals in the human brain. Signals from electrodes attached to the scalp are passed to a bandpass filter where certain interference...
3696808 METHOD AND SYSTEM FOR BRAIN WAVE ANALYSIS  
A plurality of pairs of electrical contacts are applied to the head, the pairs being applied simultaneously or in sequence. Each pair of contacts is in bilateral symmetry. The brain waves from each...
3648689 CARDIAC MONITORING APPARATUS FOR A PLURALITY OF PATIENTS  
A recording device selectively records cardiac or other physiological signals from any one of a group of patients, and each recording includes an integral segment identifying the corresponding...
3623477 BIOMEDICAL SENSING AND DISPLAY APPARATUS  
This disclosure describes a biomedical sensing and display apparatus wherein signals detected by a biomedical detecting means, such as electroencephalograph probes, are displayed on a suitable...
3604411 ELECTROENCEPHALOGRAPH HAVING METER PROBE MOVABLE IN A CALVARIUM-SHAPED LIQUID FILLED TANK AND METHOD OF USE  
An electroencephalograph wherein movable electrodes are attached to positions on a scalp corresponding to the positions of fixed electrodes on an inverted, calvarium-shaped hollow member of...
3574450 METHOD AND APPARATUS FOR DETERMINING THE EFFECTIVENESS OF SPATIAL VISION  
A method and apparatus for testing the spatial vision of a subject by obtaining averaged evoked cortical responses produced by various patterned stimuli; and by obtaining such responses produced by...
3565060 BIOPOTENTIAL SENSOR EMPLOYING INTEGRATED CIRCUITRY  
An electrocardiograph having pasteless sensor electrodes formed to directlyontact the skin and thereby transfer biopotentials while maintaining a very high signal-to-noise ratio. The active...
3548812 EEG SLEEP ANALYZER AND METHOD OF OPERATION  
3518696 BIOLOGICAL ELECTRICAL PHENOMENON RECORDING INSTRUMENT  
3513834 ANESTHETIC DEPTH MEASURING SYSTEM  
3498287 INTELLIGENCE TESTING AND SIGNAL ANALYZING MEANS AND METHOD EMPLOYING ZERO CROSSING DETECTION  
3498288 DEVICE FOR CORRECTING THE MEASUREMENT OF POTENTIALS DETECTED BY CONTACT ELECTRODES  
3495077 APPARATUS FOR DETERMINING THE TIME INTERVAL CORRELATION OF THE OCCURRENCE OF PULSES  
3478364 RECORDER HAVING DISTINGUISHABLE RECORDS  
3421498 VISUAL FIELD TESTER  
3413546 Electronic circuitry for analyzing electroencephalographic waveforms  
3374485 Calibration apparatus for physiological and biological measuring and recording device  
3222598 Electroencephalograph wave analyzer  
3195533 Detecting physiological conditions by measuring bioelectric output frequency  
3185925 Electroncephalographic analyzing and recording apparatus  
3171892 Electronic apparatus for the observation of signals of biological origin  
3087487 Computer of average response transients  
3027419 Device for harnessing multiple wires  
2860627 Pattern photic stimulator  
3621836 Title is not available