US3393279A - Nervous system excitation device - Google Patents

Nervous system excitation device Download PDF

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US3393279A
US3393279A US179337A US17933762A US3393279A US 3393279 A US3393279 A US 3393279A US 179337 A US179337 A US 179337A US 17933762 A US17933762 A US 17933762A US 3393279 A US3393279 A US 3393279A
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nervous system
radio frequency
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person
audio
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US179337A
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Flanagan Gillis Patrick
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Biolectron Inc
Listening Inc
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Listening Inc
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Assigned to BIOLECTRON, INC., 200 HOLT ST., HACKENSACK, NJ 07601 A DE CORP. reassignment BIOLECTRON, INC., 200 HOLT ST., HACKENSACK, NJ 07601 A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CHEN, C.Y.
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals

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  • This invention relates to electromagnetic excitation of the nervous system of a mammal and pertains more parcularly to a method and apparatus for exciting the nervous system of a person with electromagnetic waves that are capable of causing that person to become conscious of information conveyed by the electromagnetic waves.
  • FIGURE 1 is a schematic illustration of one form of the present nervous system excitation device.
  • FIGURE 2 is a circuit diagram of one form of the present nervous system excitation device.
  • FIGURE 3 is a diagrammatic view illustrating one form of field generator adapted to be used with the device of FIGURE 1.
  • FIGURE 4 is a diagrammatic view illustrating another form of field generator adapted to be used with the device of FIGURE 1.
  • the present invention involves the discovery that certain electromagnetic waves induce responses in the nervous systems of mammals.
  • a response is produced when some or all of a persons nervous system is placed within a field of electromagnetic waves having a radio frequency above the audible range.
  • the nervous system of a person is contacted by modulated electromagnetic carrier Waves of such a frequency, the nervous system is responsive to the modulation of the carrier waves.
  • Each individual nervous system is at least somewhat selective in respect to the frequencies to which it is most responsive.
  • a frequency to which the nervous system of a person is demonstrably responsive can be determined by varying the frequency of carrier waves that are modulated by an information signal, such as speech or music, and measuring the frequency of such waves that produce the sensation of hearing the sounds corresponding to the modulating signal.
  • a response is initiated in the nervous system of a mammal by disposing at least a portion of that nervous system within a field of electromagnetic waves of a radio frequency above the aural range.
  • the field to which the nervous system is exposed is a field containing modulated electromagnetic waves of a particular radio frequency to which the individual nervous system is selectively responsive.
  • at least a portion of the nervous system of a person is exposed to audio modulated electromagnetic waves having a radio frequency such that the person experiences the sensation of hearing, substantially free of distortion, the information which is conveyed by the audio modulation.
  • the present invention may be used as a hearing aid, as an aid to teaching speech to a person who was born deaf, as a means of communicating with persons in locations in which the noise level is high, as a device by which a person can listen to an audio signal that cannot be heard by others, etc.
  • a field of electromagnetic waves is generated by a field generating means, such as a pair of electrodes 1.
  • the electrodes 1 are preferably electrically insulated, for example by surrounding them with a suitable electrical insulating material 2, and are arranged to generate a field coupled with at least a portion of the nervous system of a person, for example by being placed near or along opposite sides of a persons head.
  • the electrodes 1 can be placed in direct contact with the skin and the electrodes can be placed on or near various portions of the body, such portions preferably being near the spinal cord.
  • the electrodes 1 are electrically connected to a source of modulated electromagnetic waves inclusive of a radio frequency power amplifier and variable frequency oscillator, indicated in box 3, an audio modulator, indicated in box 4, a source of audio signal, indicated in box 5, and a power supply for the signal source, modulator and amplifier, indicated in box 6.
  • the variable frequency oscillator 3 is preferably provided with a manual radio frequency control means, indicated by box 3a.
  • the modulation can suitably be effected by means of either an amplitude or frequency modulation of such electromagnetic waves.
  • These waves preferably have a frequency in the range of from about 20 kilocycles per second to about 200 kilocycles per second.
  • the output of the source of modulated electromagnetic waves is preferably at least about 1 watt where the field generator comprises a pair of insulated electrodes placed on the head of a person. The extent to which a person is aurally perceptive to the output supplied at a given wattage is materially increased when at least one of the electrodes is placed in electrical contact with the body of the person.
  • the electrodes 1 are placed on the sides of the head of a person.
  • the source 5 of audio signal is actuated to produce an audio signal corresponding to sounds recognizable by that person, and source 3 of modulated electromagnetic waves is actuated to couple the waves with the nervous system of that person.
  • control 3A is adjusted so that the frequency of the modu- 'lated waves is a frequency to which his nervous system is particularly responsive, the person to whom the field of such waves is applied has the sensation of hearing the sounds corresponding to the audio signal substantially free of distortion.
  • a phase shift type of carrier oscillator is arranged to produce electromagnetic waves, shown at A, a frequency ranging from about 20 to about 200 kilocycles per second.
  • the oscillator output is coupled through capacitor 9 to a radio frequency power amplifier, generally designated by dotted rectangle 10.
  • Potentiometer 11 which is connected between capacitor 9 and ground, provides a means of adjusting the input to the amplifier.
  • Switch 12 which is connected to the cathode of tube 13 of the amplifier, provides a means of switching between resistors 14 and 15 to vary the operating power characteristics of the tube.
  • the output of amplifier 10 is connected to transformer 16 which is coupled back-to-back with transformer 17.
  • transformer 16 This arrangement of transformers provides an inductive load such that the amplifier yields a high voltage output and is isolated from other components of the circuit.
  • Resistor 18 connected across the output side of transformer 17 serves to reduce any dangerous voltage spikes which might be produced.
  • the output side of transformer 17 is connected to a suitable field generator, which may comprise the electrodes 1 surrounded by insulating material 2.
  • the output of amplifier 10 is ampltiude modulated by means of the modulator generally designated by dotted rectangle 19.
  • a fluctuating electrical signal B preferably of audio frequency, is applied to the modulator by means of input jack 20 and transformer 21.
  • the output of the modulator varies the screen voltage of tube 13 of the amplifier so that the modulation envelope of the current oscillation C produced across the load of tube 13 correspond to the fluctuating signal B applied to the moduator.
  • Potentiometer 22 is connected to the cathode of tube 23 as the cathode resistor of tube 23. Potentiometer 22 is preferably adjusted so that the plate current of tube 13 is about half its normal maximum value. The fluctuating signal applied to modulator 19 is then adjusted to cause the plate current of tube 13 to vary between the maximum and minimum values so that a large current variation occurs in the load 16 of tube 13.
  • FIGURE 2 The apparatus shown in FIGURE 2 has been used to communicate speech and music to numerous persons including registered physicians.
  • the electrodes 1, in the form of circular disc covered by a plastic insulation 2 were placed against the sides of the heads of the persons.
  • the electromagnetic waves were adjusted to a frequency to which persons having normal hearing were selectively responsive, none of these persons perceived any sensations of hearing or experienced any discombort when no audio modulation was applied to the waves.
  • the waves were audio modulated with a speech or music signal, none of these persons experienced any discomfort, but they each had the sensation of listening to the transmitted information and hearing it at least as clearly as they would hear such information from an audible transmitter.
  • the same apparatus was similarly employed on a person whose hearing had been damaged to an extent requiring a hearing aid to hear normal conversation, that person heard the audio signal (with this hearing aid disconnected) and heard music with a better fidelity than that obtainable with his hearing aid.
  • FIGURE 3 shows an arrangement for mounting the field generating means in a position such that a portion of a persons nervous system may be moved into and out of coupling with the field at the will of the person.
  • electrodes 1 surrounded by insulation 2 are mounted in vertical alignment along the back of a seating device, such as chair 24. When a person is seated and leaning hack in the chair, portions of his nervous system are brought into coupling relationship with the field produced by electrodes 1.
  • FIGURE 4 shows an alternative arrangement of the field generating means.
  • inductive coil 25 is connected to the output of a suitable source of modulated electromagnetic waves and serves as a field generating means which is adapted to be placed around the head of a person.
  • a method of transmitting audio information to the brain of a subject through the nervous system of the subject comprises, in combination, the steps of generating a radio frequency signal having a frequency in excess of the highest frequency of the audio information to be transmitted, modualting said radio frequency signal with the audio information to be transmitted, and applying said modulated radio frequency signal to a pair of insulated electrodes and placing both of said insulated electrode in physical contact with the skin of said subject, the strength of said radio frequency electromagnetic field being high enough at the skin surface to cause the sensation of hearing the audio information modulated thereon in the brain of said subject and low enough so that said subject experiences no physical discomfort.
  • Apparatus for transmitting audio information to the brain of a subject through the nervous system of the subject comprising, in combination, means for generating a radio frequency signal having a frequency greater than the maximum frequency of said audio information, means for modulating said radio frequency signal with the audio information to be transmitted, electrode means adapted to generate a localized radio frequency electromagnetic field thereabout when excited by a radio frequency signal, and means coupling said modulated radio frequency signal to said electrode means, said electrode means having a surface adapted to be capacitively coupled to a localized area at the surface of the skin of said subject when placed in physical contact therewith whereby said electrode means may generate a localized radio frequency electromagnetic field modulated by said audio information at the surface of the skin of said subject, and means on said surface of said electrode means for insulating said electrode means from the skin of said subject.

Description

July 16, 1968 G. P. FLANAGAN Filed March 13, 1962 FIG].
2 Sheets-Sheet l POWER SUPPLY RF POWER AUDIO SOURCE OF GENERATOR MODULATOR AUDIO SIGNAL FIGS.
RF FREQUENCY FIG.4.
United States Patent 3,393,279 NERVOUS SYSTEM EXCITATION DEVICE Gillis Patrick Flanagan, Bellaire, Tex., assignor to Listening Incorporated, Arlington, Mass., a corporation of Massachusetts Filed Mar. 13, 1962, Ser. No. 179,337 3 Claims. (Cl. 179-107) This invention relates to electromagnetic excitation of the nervous system of a mammal and pertains more parcularly to a method and apparatus for exciting the nervous system of a person with electromagnetic waves that are capable of causing that person to become conscious of information conveyed by the electromagnetic waves.
It is an object of the present invention to provide a means of initiating controllable responses of the neuro senses without applying pressure waves or stress waves to the ears or bones. Another object of this invention is to provide a means of causing a person to receive an aural perception of the sound corresponding to the audio modulation of radio frequency electromagnetic waves that are coupled with the nervous system of the person. These and other objects of this invention will be understood from the following drawings and description of the invention, wherein:
FIGURE 1 is a schematic illustration of one form of the present nervous system excitation device.
FIGURE 2 is a circuit diagram of one form of the present nervous system excitation device.
FIGURE 3 is a diagrammatic view illustrating one form of field generator adapted to be used with the device of FIGURE 1.
FIGURE 4 is a diagrammatic view illustrating another form of field generator adapted to be used with the device of FIGURE 1.
The present invention involves the discovery that certain electromagnetic waves induce responses in the nervous systems of mammals. In human beings a response is produced when some or all of a persons nervous system is placed within a field of electromagnetic waves having a radio frequency above the audible range. In addition, when the nervous system of a person is contacted by modulated electromagnetic carrier Waves of such a frequency, the nervous system is responsive to the modulation of the carrier waves. Each individual nervous system is at least somewhat selective in respect to the frequencies to which it is most responsive. A frequency to which the nervous system of a person is demonstrably responsive can be determined by varying the frequency of carrier waves that are modulated by an information signal, such as speech or music, and measuring the frequency of such waves that produce the sensation of hearing the sounds corresponding to the modulating signal.
In the method of the present invention, a response is initiated in the nervous system of a mammal by disposing at least a portion of that nervous system within a field of electromagnetic waves of a radio frequency above the aural range. In a preferred embodiment of this invention, the field to which the nervous system is exposed is a field containing modulated electromagnetic waves of a particular radio frequency to which the individual nervous system is selectively responsive. In a particularly preferred embodiment of this invention, at least a portion of the nervous system of a person is exposed to audio modulated electromagnetic waves having a radio frequency such that the person experiences the sensation of hearing, substantially free of distortion, the information which is conveyed by the audio modulation.
The present invention may be used as a hearing aid, as an aid to teaching speech to a person who was born deaf, as a means of communicating with persons in locations in which the noise level is high, as a device by which a person can listen to an audio signal that cannot be heard by others, etc.
As shown in FIGURE 1 of the drawing, in a preferred form of the invention, a field of electromagnetic waves is generated by a field generating means, such as a pair of electrodes 1. The electrodes 1 are preferably electrically insulated, for example by surrounding them with a suitable electrical insulating material 2, and are arranged to generate a field coupled with at least a portion of the nervous system of a person, for example by being placed near or along opposite sides of a persons head. The electrodes 1 can be placed in direct contact with the skin and the electrodes can be placed on or near various portions of the body, such portions preferably being near the spinal cord.
The electrodes 1 are electrically connected to a source of modulated electromagnetic waves inclusive of a radio frequency power amplifier and variable frequency oscillator, indicated in box 3, an audio modulator, indicated in box 4, a source of audio signal, indicated in box 5, and a power supply for the signal source, modulator and amplifier, indicated in box 6. The variable frequency oscillator 3 is preferably provided with a manual radio frequency control means, indicated by box 3a. Numerous forms of the components, indicated in boxes 3 to 6, that provide suitable power and a source of modulated electromagnetic waves are presently known and the known devices can suitably be used as long as they are arranged to produce a relatively high voltage output that has a radio frequency above the audio range and is capable of being modulated by an audio signal or other signal adapted to be conveyed by the modulation of electromagnetic waves of such a frequency.
The modulation can suitably be effected by means of either an amplitude or frequency modulation of such electromagnetic waves. These waves preferably have a frequency in the range of from about 20 kilocycles per second to about 200 kilocycles per second. The output of the source of modulated electromagnetic waves is preferably at least about 1 watt where the field generator comprises a pair of insulated electrodes placed on the head of a person. The extent to which a person is aurally perceptive to the output supplied at a given wattage is materially increased when at least one of the electrodes is placed in electrical contact with the body of the person.
In a preferred mode of operating the apparatus shown in FIGURE 1, the electrodes 1 are placed on the sides of the head of a person. The source 5 of audio signal is actuated to produce an audio signal corresponding to sounds recognizable by that person, and source 3 of modulated electromagnetic waves is actuated to couple the waves with the nervous system of that person. When control 3A is adjusted so that the frequency of the modu- 'lated waves is a frequency to which his nervous system is particularly responsive, the person to whom the field of such waves is applied has the sensation of hearing the sounds corresponding to the audio signal substantially free of distortion.
In the circuit shown in FIGURE 2, a phase shift type of carrier oscillator, generally designated by dotted rec tangle 7, with a frequency control, generally designated by rectangle 8, is arranged to produce electromagnetic waves, shown at A, a frequency ranging from about 20 to about 200 kilocycles per second. The oscillator output is coupled through capacitor 9 to a radio frequency power amplifier, generally designated by dotted rectangle 10. Potentiometer 11, which is connected between capacitor 9 and ground, provides a means of adjusting the input to the amplifier. Switch 12, which is connected to the cathode of tube 13 of the amplifier, provides a means of switching between resistors 14 and 15 to vary the operating power characteristics of the tube.
The output of amplifier 10 is connected to transformer 16 which is coupled back-to-back with transformer 17. This arrangement of transformers provides an inductive load such that the amplifier yields a high voltage output and is isolated from other components of the circuit. Resistor 18 connected across the output side of transformer 17 serves to reduce any dangerous voltage spikes which might be produced. The output side of transformer 17 is connected to a suitable field generator, which may comprise the electrodes 1 surrounded by insulating material 2.
The output of amplifier 10 is ampltiude modulated by means of the modulator generally designated by dotted rectangle 19. A fluctuating electrical signal B, preferably of audio frequency, is applied to the modulator by means of input jack 20 and transformer 21. The output of the modulator varies the screen voltage of tube 13 of the amplifier so that the modulation envelope of the current oscillation C produced across the load of tube 13 correspond to the fluctuating signal B applied to the moduator.
Potentiometer 22 is connected to the cathode of tube 23 as the cathode resistor of tube 23. Potentiometer 22 is preferably adjusted so that the plate current of tube 13 is about half its normal maximum value. The fluctuating signal applied to modulator 19 is then adjusted to cause the plate current of tube 13 to vary between the maximum and minimum values so that a large current variation occurs in the load 16 of tube 13.
The apparatus shown in FIGURE 2 has been used to communicate speech and music to numerous persons including registered physicians. In these uses the electrodes 1, in the form of circular disc covered by a plastic insulation 2, were placed against the sides of the heads of the persons. When the electromagnetic waves were adjusted to a frequency to which persons having normal hearing were selectively responsive, none of these persons perceived any sensations of hearing or experienced any discombort when no audio modulation was applied to the waves. When the waves were audio modulated with a speech or music signal, none of these persons experienced any discomfort, but they each had the sensation of listening to the transmitted information and hearing it at least as clearly as they would hear such information from an audible transmitter. When the same apparatus was similarly employed on a person whose hearing had been damaged to an extent requiring a hearing aid to hear normal conversation, that person heard the audio signal (with this hearing aid disconnected) and heard music with a better fidelity than that obtainable with his hearing aid.
FIGURE 3 shows an arrangement for mounting the field generating means in a position such that a portion of a persons nervous system may be moved into and out of coupling with the field at the will of the person. In this arrangement, electrodes 1 surrounded by insulation 2 are mounted in vertical alignment along the back of a seating device, such as chair 24. When a person is seated and leaning hack in the chair, portions of his nervous system are brought into coupling relationship with the field produced by electrodes 1.
FIGURE 4 shows an alternative arrangement of the field generating means. In this arrangement, inductive coil 25 is connected to the output of a suitable source of modulated electromagnetic waves and serves as a field generating means which is adapted to be placed around the head of a person.
It is to be understood that the above embodimentsand examples have been presented fordescriptive purposes and that, within the scope of the appended claims, the invention may be practiced otherwise than specifically illustrated and described.
I claim:
1. A method of transmitting audio information to the brain of a subject through the nervous system of the subject which method comprises, in combination, the steps of generating a radio frequency signal having a frequency in excess of the highest frequency of the audio information to be transmitted, modualting said radio frequency signal with the audio information to be transmitted, and applying said modulated radio frequency signal to a pair of insulated electrodes and placing both of said insulated electrode in physical contact with the skin of said subject, the strength of said radio frequency electromagnetic field being high enough at the skin surface to cause the sensation of hearing the audio information modulated thereon in the brain of said subject and low enough so that said subject experiences no physical discomfort.
2. The method of claim 1 wherein said modulated electromagnetic field is coupled with a portion of the nervous system contained in the persons spinal column.
3. Apparatus for transmitting audio information to the brain of a subject through the nervous system of the subject comprising, in combination, means for generating a radio frequency signal having a frequency greater than the maximum frequency of said audio information, means for modulating said radio frequency signal with the audio information to be transmitted, electrode means adapted to generate a localized radio frequency electromagnetic field thereabout when excited by a radio frequency signal, and means coupling said modulated radio frequency signal to said electrode means, said electrode means having a surface adapted to be capacitively coupled to a localized area at the surface of the skin of said subject when placed in physical contact therewith whereby said electrode means may generate a localized radio frequency electromagnetic field modulated by said audio information at the surface of the skin of said subject, and means on said surface of said electrode means for insulating said electrode means from the skin of said subject.
References Cited UNITED STATES PATENTS 3,170,993 2/1965 Puharich et al. 179-107 1,001,236 8/1911 Bachelet 1281.5 1,120,964 12/1914 Neel l28-1.5 2,004,751 6/1935 Fischer 128-423 X 2,103,440 12/ 1937 Weissenberg 128-13 2,118,594 5/1938 Dowden 1281.5 X 2,438,605 3/1948 Hart 1281.5 X 2,713,120 7/1955 Mostofsky 128-423 X 1,735,267 11/1929 Eichhorn 179107 2,995,633 8/1961 Puhdrich 179107 OTHER REFERENCES Rutschmann, pp. 22, 23, IRE Transactions on Med. Electronics, March 1959.
KATHLEEN H. CLAFFY, Primary Examiner.
ROBERT H. ROSE, Examiner.
I. W. JOHNSON, A. A. MCGILL, Assistant Examiners.

Claims (1)

1. A METHOD OF TRANSMITTING AUDIO INFORMATION TO THE BRAIN OF SUBJECT THROUGH THE NERVOUS SYSTEM OF THE SUBJECT WHICH METHOD COMPRISES, IN COMBINATION, THE STEPS OF GENERATING A RADIO FREQUENCY SIGNAL HAVING A FREQUENCY IN EXCESS OF THE HIGHERST FREQUENCY OF THE AUDIO INFORMATTION TO BE TRANSMITTED, MODULATING SAID RADIO FREQUENCY SIGNAL WITH THE AUDIO INFORMATION TO BE TRANSMITTED, AND APPLYING SAID MODULATED RADIO FREQUENCY SIGNAL TO A PAIR OF INSULATED ELECTRODES AND PLACING BOTH OF SAID INSULATED ELECTRODE IN PHYSICAL CONTACT WITH THE SKIN OF SAID SUBJECT, THE STRETCH OF SAID RADIO FREQUENCY ELECTROMAGNETIC FIELD BEING HIGH ENOUGH AT THE SKIN SURFACE TO CAUSE THE SENSATION OF HEARING THE AUDIO INFORMATION MODULATED THEREON IN THE BRAIN OF SAID SUBJECT AND LOW ENOUGH SO THAT SAID SUBJECT EXPERIENCES NO PHYSICAL DISCOMFORT.
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497637A (en) * 1967-11-13 1970-02-24 Intelectron Corp Transducer for stimulation of facial nerve system with r-f energy
US3624484A (en) * 1968-12-13 1971-11-30 Wellcome Foundation Ltd Inc Th Oscillator output circuit configuration
US3752939A (en) * 1972-02-04 1973-08-14 Beckman Instruments Inc Prosthetic device for the deaf
FR2321305A1 (en) * 1975-08-04 1977-03-18 Critical Systems METHOD AND APPARATUS FOR HEATING TISSUES, IN PARTICULAR FOR TREATMENT OF TUMORS
US4220830A (en) * 1978-08-04 1980-09-02 Electro-Physical Research, Incorporated Hearing aid with modulated suppressed carrier signal
US4667676A (en) * 1985-06-17 1987-05-26 Audimax, Inc. Method of evaluating the vestibular system
US4918745A (en) * 1987-10-09 1990-04-17 Storz Instrument Company Multi-channel cochlear implant system
US5159703A (en) * 1989-12-28 1992-10-27 Lowery Oliver M Silent subliminal presentation system
US6169813B1 (en) * 1994-03-16 2001-01-02 Hearing Innovations Incorporated Frequency transpositional hearing aid with single sideband modulation
US6584358B2 (en) 2000-01-07 2003-06-24 Biowave Corporation Electro therapy method and apparatus
US20030208248A1 (en) * 2000-01-07 2003-11-06 John Carter Percutaneous electrode array
US20040196998A1 (en) * 2003-04-04 2004-10-07 Paul Noble Extra-ear hearing
US20080033492A1 (en) * 2000-01-07 2008-02-07 Biowave Corporation Electro-therapy method
DE202010005743U1 (en) 2010-04-20 2010-07-29 Schertel, Andreas Device on the arm for transmitting ultrasonic waves
US9521959B2 (en) 2013-05-03 2016-12-20 Corey Charles Snook Method and system for retraining brainwave patterns using ultra low power direct electrical stimulation feedback
US9589478B2 (en) 2013-09-30 2017-03-07 Ronald Dell Davis Natural orientation induction tool apparatus and method

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US1120964A (en) * 1913-06-03 1914-12-15 John H Neel Therapeutic apparatus.
US1735267A (en) * 1926-09-11 1929-11-12 Eichhorn Gustav Apparatus for amplifying low-frequency speech currents of radio receivers
US2004751A (en) * 1931-03-23 1935-06-11 H G Fischer & Company Low voltage generator
US2103440A (en) * 1932-07-15 1937-12-28 Weissenberg Eugen Electrotherapeutic apparatus
US2118594A (en) * 1933-12-28 1938-05-24 Rca Corp Permanent wave machine
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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497637A (en) * 1967-11-13 1970-02-24 Intelectron Corp Transducer for stimulation of facial nerve system with r-f energy
US3624484A (en) * 1968-12-13 1971-11-30 Wellcome Foundation Ltd Inc Th Oscillator output circuit configuration
US3752939A (en) * 1972-02-04 1973-08-14 Beckman Instruments Inc Prosthetic device for the deaf
FR2321305A1 (en) * 1975-08-04 1977-03-18 Critical Systems METHOD AND APPARATUS FOR HEATING TISSUES, IN PARTICULAR FOR TREATMENT OF TUMORS
US4220830A (en) * 1978-08-04 1980-09-02 Electro-Physical Research, Incorporated Hearing aid with modulated suppressed carrier signal
US4667676A (en) * 1985-06-17 1987-05-26 Audimax, Inc. Method of evaluating the vestibular system
US4918745A (en) * 1987-10-09 1990-04-17 Storz Instrument Company Multi-channel cochlear implant system
US5159703A (en) * 1989-12-28 1992-10-27 Lowery Oliver M Silent subliminal presentation system
US6169813B1 (en) * 1994-03-16 2001-01-02 Hearing Innovations Incorporated Frequency transpositional hearing aid with single sideband modulation
US6792315B2 (en) 2000-01-07 2004-09-14 Biowave Corporation Electro therapy method and apparatus
US20080033492A1 (en) * 2000-01-07 2008-02-07 Biowave Corporation Electro-therapy method
US6760627B2 (en) 2000-01-07 2004-07-06 Biowave Corporation Electro therapy method and apparatus
US6584358B2 (en) 2000-01-07 2003-06-24 Biowave Corporation Electro therapy method and apparatus
US20030208248A1 (en) * 2000-01-07 2003-11-06 John Carter Percutaneous electrode array
US6853863B2 (en) 2000-01-07 2005-02-08 Biowave Corporation Electro therapy method and apparatus
US20050043775A1 (en) * 2000-01-07 2005-02-24 Carter John Percutaneous electrode array
US7013179B2 (en) 2000-01-07 2006-03-14 Biowave Corporation Percutaneous electrode array
US7130696B2 (en) 2000-01-07 2006-10-31 Biowave Corporation Percutaneous electrode array
US20040196998A1 (en) * 2003-04-04 2004-10-07 Paul Noble Extra-ear hearing
DE202010005743U1 (en) 2010-04-20 2010-07-29 Schertel, Andreas Device on the arm for transmitting ultrasonic waves
US9521959B2 (en) 2013-05-03 2016-12-20 Corey Charles Snook Method and system for retraining brainwave patterns using ultra low power direct electrical stimulation feedback
US9589478B2 (en) 2013-09-30 2017-03-07 Ronald Dell Davis Natural orientation induction tool apparatus and method
US9779634B2 (en) 2013-09-30 2017-10-03 Ronald Dell Davis Natural orientation induction tool apparatus and method
US10482784B2 (en) 2013-09-30 2019-11-19 Ronald Dell Davis Natural orientation induction tool apparatus and method

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