Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
170 words
In an apparatus for electrically stimulating hearing in human subjects, the combination of a. a signal source for supplying carrier wave signals at a frequency above the normal audible range of the subject, b. a second signal source for supplying audiofrequency signals, c. means modulating said carrier wave signals with said audiofrequency signals and having an output comprising a modulated Lc series source, and d. a tuning and coupling circuit adapted to connect the subject to said modulated signal source in tuned LC series resonance, e. said tuning and coupling circuit including a pair of capacitive coupling means, f. said tuning and coupling circuit further including a pair of inductance means each of which is connected in series with each coupling means, g. the inductance of said inductance means being related to the capacitance of said coupling means and the capacitance of said subject so as to tune said modulated signals in peak series resonance substantially at said carrier wave frequency regardless of changes in the physiology of the subject.
Claim 2
Dependent Claim
170 words
In an apparatus for electrically stimulating hearing in human subjects, the combination of a. a signal source for supplying carrier wave signals at a frequency above the normal audible range of the subject, b. a second signal source for supplying audiofrequency signals, c. means modulating said carrier wave signals with said audiofrequency signals and having an output comprising a modulated Lc series source, and d. a tuning and coupling circuit adapted to connect the subject to said modulated signal source in tuned LC series resonance, e. said tuning and coupling circuit including a pair of capacitive coupling means, f. said tuning and coupling circuit further including a pair of inductance means each of which is connected in series with each coupling means, g. the inductance of said inductance means being related to the capacitance of said coupling means and the capacitance of said subject so as to tune said modulated signals in peak series resonance substantially at said carrier wave frequency regardless of changes in the physiology of the subject.
Claim 3
Dependent Claim
20 words
The apparatus of claim 1, in which a. the source of carrier wave signals comprises an external signal generator circuit.
Claim 4
Dependent Claim
51 words
The apparatus of claim 1, in which a. the source of carrier wave signals comprises an amplifier circuit having its input and output coupled with said coupling circuit and actuated to supply amplified carrier wave signals thereto in accordance with high frequency signals imparted to the coupling circuit by the subject.
Claim 5
Dependent Claim
35 words
The apparatus of claim 1, in which a. said carrier wave is supplied at a frequency in the range of 18 to 37 kHz., b. said capacitive coupling means comprises a pair of bare electrodes.
Claim 6
Dependent Claim
106 words
In the method of electrically stimulating human subjects to produce sensations of hearing, the improvement which comprises a. supplying an audio-modulated carrier wave in a predetermined frequency range, b. applying said wave to the subject and tuning the applied wave to LC series resonance at carrier wave frequency through a pair of capacitive couplers and a separate pair of series inductor means, c. the inductance of said pair of series inductor means being related to the capacitance of the coupling established by said capacitive couplers and to the capacitance of the tissue of the subject to achieve said series resonance substantially at the carrier wave frequency.
Claim 7
Dependent Claim
106 words
In the method of electrically stimulating human subjects to produce sensations of hearing, the improvement which comprises a. supplying an audio-modulated carrier wave in a predetermined frequency range, b. applying said wave to the subject and tuning the applied wave to LC series resonance at carrier wave frequency through a pair of capacitive couplers and a separate pair of series inductor means, c. the inductance of said pair of series inductor means being related to the capacitance of the coupling established by said capacitive couplers and to the capacitance of the tissue of the subject to achieve said series resonance substantially at the carrier wave frequency.
Claim 8
Dependent Claim
19 words
The method of claim 5, in which a. at least one of said capacitIve couplers is a bare electrode.
Claim 9
Dependent Claim
51 words
The method of claim 5, in which a. said capacitive couplers comprise a pair of bare electrodes placed bilaterally at stylomastoid regions of the head, b. said carrier wave is in the range of 18-37 kHz., and c. the power of said applied modulated carrier wave does not exceed 40-60 milliwatts.