Disclosed is a configurable dual vacuum tube triode amplifier. The amplifier comprises two vacuum tube triodes and a user configurable switching component. The user configurable switching component can be positioned into at least a first position and a second position to modify an arrangement of the two vacuum tube triodes to provide varying tonal characteristics of the amplifier. Positioning the user configurable switching component in the first position arranges the two vacuum tube triodes in a cascode configuration to achieve a tonal characteristic of a vacuum tube pentode. Positioning the multi-position user switch in the second position arranges the two vacuum tube triodes in either a single vacuum tube triode configuration to achieve a tonal characteristic of a single vacuum tube triode operating alone or two vacuum tube triodes operating in a parallel configuration to achieve the tonal characteristics of two vacuum tube triodes operating in parallel.
H03G 3/00 - Commande de gain dans les amplificateurs ou les changeurs de fréquence
H03F 1/32 - Modifications des amplificateurs pour réduire la distorsion non linéaire
H03F 3/181 - Amplificateurs à basse fréquence, p. ex. préamplificateurs à fréquence musicale
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
09 - Appareils et instruments scientifiques et électriques
14 - Métaux précieux et leurs alliages; bijouterie; horlogerie
16 - Papier, carton et produits en ces matières
20 - Meubles et produits décoratifs
21 - Ustensiles, récipients, matériaux pour le ménage; verre; porcelaine; faience
28 - Jeux, jouets, articles de sport
Produits et services
Cell phone covers; Cell phone faceplates; Cell phone cases Horological and chronometric instruments and cases therefor; Horological and chronometric instruments and parts thereof; Jewelry; Key chains for use as jewelry; Key chains of precious metal Bumper stickers; Pens; Posters Furniture Beverage glassware Musical toys; Toy figures; Toy model guitars; Toy models
An acoustic guitar is provided that includes a neck and a body. The acoustic guitar also includes a user interface module including an audio effect module configured to implement one or more audio effects, and one or more effect controllers, with each effect controller being configured to set a level of a corresponding audio effect implemented by the audio effect module. The user interface module further includes at least one input blend controller and a voice controller configured to allow a user to select a patch from a plurality of available patches, with each patch of the plurality of available patches comprising a configuration of one or more audio effects set at various levels to arrive at a desired effect template.
G10H 1/00 - Éléments d'instruments de musique électrophoniques
G10H 1/02 - Moyens pour contrôler la fréquence des sons, p. ex. attaque ou affaiblissementMoyens pour produire des effets musicaux particuliers, p. ex. vibratos ou glissandos
G10H 3/14 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
An acoustic guitar is provided that includes a neck and a body. The acoustic guitar also includes a user interface module including an audio effect module configured to implement one or more audio effects, and one or more effect controllers, with each effect controller being configured to set a level of a corresponding audio effect implemented by the audio effect module. The user interface module further includes at least one input blend controller and a voice controller configured to allow a user to select a patch from a plurality of available patches, with each patch of the plurality of available patches comprising a configuration of one or more audio effects set at various levels to arrive at a desired effect template.
G10H 1/00 - Éléments d'instruments de musique électrophoniques
G10H 1/02 - Moyens pour contrôler la fréquence des sons, p. ex. attaque ou affaiblissementMoyens pour produire des effets musicaux particuliers, p. ex. vibratos ou glissandos
An acoustic guitar is provided that includes a neck and a body. The acoustic guitar also includes a user interface module including an audio effect module configured to implement one or more audio effects, and one or more effect controllers, with each effect controller being configured to set a level of a corresponding audio effect implemented by the audio effect module. The user interface module further includes at least one input blend controller and a voice controller configured to allow a user to select a patch from a plurality of available patches, with each patch of the plurality of available patches comprising a configuration of one or more audio effects set at various levels to arrive at a desired effect template.
G10H 1/00 - Éléments d'instruments de musique électrophoniques
G10H 1/02 - Moyens pour contrôler la fréquence des sons, p. ex. attaque ou affaiblissementMoyens pour produire des effets musicaux particuliers, p. ex. vibratos ou glissandos
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
In an example embodiment, an audio device is provided with one or more processors and a computer-readable tangible medium with instructions stored thereon that, when executed, direct the one or more processors to access a target audio file and access a set of evaluated levels associated with one or more preset frequency bands in the target audio file. The computer-readable tangible medium also has instructions that direct the processor to create a set of comparatively balanced levels by comparatively balancing a set of actual levels associated with the one or more preset frequency bands in the target audio file to at least approximate a set of reference levels associated with the one or more preset frequency bands. The computer-readable tangible medium further has instructions that direct the processor to play the target audio file with the set of comparatively balanced levels.
Disclosed is an amplifier for incremental wattage reduction. The amplifier comprises a first pair of pentode vacuum tubes and a second pair of pentode vacuum tubes arranged in a push-pull-parallel power configuration. Each pentode vacuum tube from the first pair of pentode vacuum tubes and the second pair of pentode vacuum tubes includes a plate element, a screen grid element and a cathode element. The amplifier further comprises a single multi-position user switch to configure the first pair of pentode vacuum tubes and the second pair of pentode vacuum tubes to achieve varying wattage outputs of the amplifier by deactivating at least one of the first pair of pentode vacuum tubes or the second pair of vacuum tubes, and causing at least one of the first pair of pentode vacuum tubes or the second pair of vacuum tubes to operate as triodes.
A piece of audio equipment is provided that includes a first signal path including a first dynamic range expander and a lowpass filter. The piece of audio equipment also includes a second signal path parallel to the first signal path, wherein the second signal path includes a second dynamic range expander and a highpass filter. The piece of audio equipment further includes a summing amplifier configured to receive a first signal from the first signal path, a second signal from the second signal path, and a clear signal from an audio source and output a summed signal.
G10L 21/038 - Amélioration de l'intelligibilité de la parole, p. ex. réduction de bruit ou annulation d'écho utilisant des techniques d’étalement de bande
A computer-readable medium, controller and a method of automatically recording a sound signal is provided. A sound signal is received by the controller from a sound generating device. A frequency of the received sound signal is determined by the controller. When the determined frequency is within a predetermined frequency range, the controller starts recording the received sound signal.
H04R 29/00 - Dispositifs de contrôleDispositifs de tests
G11B 20/10 - Enregistrement ou reproduction numériques
G10H 1/00 - Éléments d'instruments de musique électrophoniques
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
G10L 25/78 - Détection de la présence ou de l’absence de signaux de voix
G10L 25/51 - Techniques d'analyse de la parole ou de la voix qui ne se limitent pas à un seul des groupes spécialement adaptées pour un usage particulier pour comparaison ou différentiation
An apparatus and method of varying the tonal aspects of a string instrument such as an acoustic or electric guitar is disclosed. The apparatus and method employing a unique zero fret assembly. The zero fret assembly includes an upper portion and a lower portion. The lower portion is configured to connect with a fret board, headstock or body of an instrument. The upper portion is configured to engage the lower portion. The upper portion is also configured to receive and support an instrument's strings. The upper portion is selectively movable relative to the lower portion by an operator to change the tonal nature of the instrument.
A female jack is provided that includes one or more terminals and a reception aperture configured to accept a male plug. The female jack also includes a first spring contact with a first mating curvature configured to contact the male plug and create electrical contact between the male plug and the female jack. The first spring contact also includes one or more flex joints.
H01R 24/58 - Contacts espacés le long de l'axe longitudinal d’engagement
H01R 29/00 - Pièces de couplage pour coopération sélective avec une pièce complémentaire de différentes façons pour établir différents circuits, p. ex. pour la sélection de tension, pour la sélection série-parallèle
A female jack is provided that includes one or more terminals and a reception aperture configured to accept a male plug. The female jack also includes a first spring contact with a first mating curvature configured to contact the male plug and create electrical contact between the male plug and the female jack. The first spring contact also includes one or more flex joints.
H01R 24/58 - Contacts espacés le long de l'axe longitudinal d’engagement
H01R 13/187 - Broches, lames ou alvéoles ayant un ressort indépendant pour produire ou améliorer la pression de contact le ressort étant dans l'alvéole
A headband for a headphone, the headband comprising: a primary band for placement over a user's head to support the headphone on the user's head; and a secondary band mounted to the primary band, the secondary band rotatable relative to the primary band into one or more indexed positions to further support the headphone on the user's head.
A computer-readable medium, controller and a method of automatically recording a sound signal is provided. A sound signal is received by the controller from a sound generating device. A frequency of the received sound signal is determined by the controller. When the determined frequency is within a predetermined frequency range, the controller starts recording the received sound signal.
A pickup unit cavity for a stringed musical instrument is provided. The pickup unit cavity comprises a top, a bottom, at least one side, and at least one aperture in the cavity bottom, wherein the depth of the aperture allows for adjustment of a pole piece of a pickup unit. In some embodiments, the depth of the cavity from the top to the bottom is about ½ inch and the depth of the at least one aperture is ½ inch. In certain embodiments, the pickup unit cavity is in a housing. An electrical stringed musical instrument in combination with the pickup unit cavity is additionally provided.
G10H 1/32 - Éléments d'instruments de musique électrophoniques Parties constitutives
G10H 3/00 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
36.
ADJUSTABLE DUAL TENSIONING TONEARM DEVICE AND ASSEMBLY
A record player capable of playing phonographic records that may be played in a scratch style by a user. The record player includes a tonearm that is rotatably supported at or near an end of the tonearm by a structure having both horizontally and vertically fastening points to the tonearm. The fastening points are configured to receive a user activated tension adjustment element. A user may advance or retreat the tension adjustment element to selectably control the positioning, or relative tension in the tonearm such that any record skipping due to undesirable tonearm pressure is controlled, or to achieve a specific sound.
G11B 3/08 - Soulèvement, abaissement, déplacement transversal autre que pour la transduction, arrêt ou maintien des têtes contre les supports d'enregistrement
An electronics module for an electric guitar is provided. The electronics module includes a processor, a plurality of controls, an antenna, and a computer-readable medium. The processor receives an audio signal generated by a vibration of a plurality of strings of the electric guitar. The plurality of controls are operably coupled to the processor and provide a mechanism for adjusting a sound created from the audio signal. The computer-readable medium is operably coupled to the processor and configured to cause the electric guitar to determine a control of the plurality of controls associated with the received effects parameter; adjust a state of the determined control based on the received effects parameter; modify the audio signal based on the plurality of controls and on the received effects parameter; and output the modified audio signal through the antenna to a second device.
G10H 1/02 - Moyens pour contrôler la fréquence des sons, p. ex. attaque ou affaiblissementMoyens pour produire des effets musicaux particuliers, p. ex. vibratos ou glissandos
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
G10H 1/00 - Éléments d'instruments de musique électrophoniques
A bifilar pickup for an electrical stringed musical instrument is provided. The bifilar pickup comprises a dual coil wherein at least one coil is formed with two closely spaced bifilar parallel wound wires. A guitar in combination with the pickup unit is additionally provided.
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
42.
Variable resonant bifilar single coil magnetic pickup
A bifilar pickup for an electrical stringed musical instrument is provided. The bifilar pickup comprises a single coil wherein the coil is formed with two closely spaced but electrically isolated parallel wound wires. A guitar in combination with the bifilar pickup is additionally provided.
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
43.
Electric stringed musical instrument standard electronic module
A standard electronic module for an electric stringed musical instrument is provided. The standard electronic module is mounted within the main body of the electric stringed musical instrument in a module cavity in the back of the electric stringed musical instrument. The standard electronic module comprises two printed circuit boards, a main printed circuit board and a connector circuit board, wherein the standard electronic module provides rapid exchange of the main printed circuit board without changing the wiring harness of the electric stringed musical instrument, which is directly connected to the connector printed circuit board.
A footswitch controller for an electric stringed musical instrument is provided. In one embodiment, the footswitch controller comprises a foot pedal assembly, base assembly, bottom plate assembly, battery pocket assembly, and compound assembly. The footswitch controller does not directly alter the input sound, but upon activation by a user sends a signal to the digital signal processor within the electric stringed musical instrument to alter the sound.
A parallel tapped magnetic pickup for an electrical stringed musical instrument is provided. The parallel tapped magnetic pickup comprises a coil formed with at least two parallel connected wound wires. A guitar in combination with the parallel tapped pickup is additionally provided.
G10H 3/00 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
A pickup unit cavity for a stringed musical instrument is provided. The pickup unit cavity comprises a top, a bottom, at least one side, and at least one aperture in the cavity bottom, wherein the depth of the aperture allows for adjustment of a pole piece of a pickup unit. In some embodiments, the depth of the cavity from the top to the bottom is about inch and the depth of the at least one aperture is inch. In certain embodiments, the pickup unit cavity is in a housing. An electrical stringed musical instrument in combination with the pickup unit cavity is additionally provided.
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
An amplifier for electric guitar including a Cut control for attenuating high frequencies whose operation is expanded via a switch to alternately function as a Master Volume control.
A stringed musical instrument body with a front plate having an integral cavity defined by a tail end inner edge, a neck end inner edge, a bass side inner edge, and a treble side inner edge is provided. The cavity cooperates with a back plate to form a resonance chamber. A method for making the stringed musical instrument body is also presented. In many instances, the stringed musical instrument is a guitar.
A tremolo mechanism having a novel roller mounted beneath a tensioned string of a stringed musical instrument is described. During oscillatory movement, the tensioned string exerts both a static and a vibratory force on the roller. The roller rotates in relation to the tensioned string such that the static force is generally greater than any component of the vibratory force. The novel roller may be a saddle roller with a saddle block having two opposing block walls which form a roller cavity. The block walls each have a roller bore aligned along a roller axis. The saddle roller includes a cylindrical body attached to a roller pin and a circumferential seat receiving a tension string. The roller pin is rotatably disposed such that the saddle roller is in the saddle block cavity. The roller axis extends obliquely to define an oblique roller angle.
A joint between a neck and a body of a stringed musical instrument is described, wherein a neck receiving cavity in the body has a sloped major bearing surface. The sloped major bearing surface urges the neck laterally into a side surface of the neck receiving cavity as a connector pulls the neck into the neck receiving cavity. By urging the neck into a side surface of the neck receiving cavity, a second bearing surface is made in a different plane than the major bearing surface, which makes a more rigid joint between the body and the neck of the musical instrument.
A tremolo mechanism having a novel roller mounted beneath a tensioned string of a stringed musical instrument is described. During oscillatory movement, the tensioned string exerts both a static and a vibratory force on the roller. The roller rotates in relation to the tensioned string such that the static force is generally greater than any component of the vibratory force. The novel roller may be a saddle roller with a saddle block having two opposing block walls which form a roller cavity. The block walls each have a roller bore aligned along a roller axis. The saddle roller includes a cylindrical body attached to a roller pin and a circumferential seat receiving a tension string. The roller pin is rotatably disposed such that the saddle roller is in the saddle block cavity. The roller axis extends obliquely to define an oblique roller angle.
The tremolo mechanism includes a novel cam actuated lock having a plurality of parallel locking channels disposed on an engagement surface of a movable locking arm and further having a locking ridge disposed on an engagement surface of a locking block so as to be in aligned opposition with the locking channels. Each pairing of locking channels is separated by a chromatic spacing distance corresponding to a chromatic half step change in the pitch of the plurality of tensioned strings. The lock of the further including a cam actuated torsion bar to positioning the locking arm according to a cam follower's position on a cam profile. The torsion bar provides a flexible means of applying a motive force for moving the locking arm such that, with the locking ridge and a selected locking channel misaligned and the cam follower disposed upon the locked seat, the torsion bar elastically deforms as the locking ridge is received by a land disposed between the locking channels without damaging the lock. Further, any additional transverse movement of the locking arm relative to the locking block causes the locking ridge to slide across the land and seat into an adjacent locking channel.
Included herein is an instrument component for mounting to the body of an instrument having strings, for example a guitar. The instrument component comprises a plurality of attachment devices, an elongated bracket, and a biasing element. The elongated bracket includes a plurality of attachment apertures where each aperture includes a center and is shaped to accept one of the attachment devices. A biasing element is positioned in each attachment aperture wherein each biasing element engages one of the attachment devices. Each biasing element includes a plurality of protrusions wherein each protrusion biases the attachment device toward the center of the attachment aperture.
Included herein is an instrument component for mounting to the body of an instrument having strings, for example a guitar. The instrument component comprises a plurality of attachment devices, an elongated bracket, and a biasing element. The elongated bracket includes a plurality of attachment apertures where each aperture includes a center and is shaped to accept one of the attachment devices. A biasing element is positioned in each attachment aperture wherein each biasing element engages one of the attachment devices. Each biasing element includes a plurality of protrusions wherein each protrusion biases the attachment device toward the center of the attachment aperture.
09 - Appareils et instruments scientifiques et électriques
16 - Papier, carton et produits en ces matières
Produits et services
Amplifiers for musical instruments, audio speakers, and
cabinets for audio speakers. Catalogs featuring amplifiers for musical instruments,
speakers, cabinets for speakers, and related merchandise.
09 - Appareils et instruments scientifiques et électriques
16 - Papier, carton et produits en ces matières
Produits et services
Amplifiers for musical instruments, speakers, and cabinets
for speakers. Catalogs featuring amplifiers for musical instruments,
speakers, cabinets for speakers, and related merchandise.
A reluctance pickup for a guitar including a pair of magnetic pole pieces disposed within wire coils. The coils are oppositely wound and wired in series. Each pole piece has an elongated magnetic pole end extending above its respective coil. The pole pieces are disposed so as to form a pickup face having two approximately parallel elongated pole ends. The elongated pole ends have opposite magnetic polarities and create a magnetic field therebetween. The pickup is mounted beneath a magnetically permeable string such that a projection of the string intersects the pole ends at a selected orientation angle between approximately 28 degrees and approximately 58 degrees, preferably, 43 degrees, so as to optimize selected performance parameters of the pickup, including: channel-to-channel separation, frequency response, and dynamic response.
G10H 3/18 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs utilisant des cordes, p. ex. guitares électriques
G10H 3/14 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs
An amplifier for electric guitar including a plurality of foot switch selectable preamplifier channels which can be set to provide differing sonic characteristics, and also including a power amplifier section for driving a loudspeaker that can be switched between at least two different power or performance capabilities. User operable switching dedicated to at least one of the preamplifier channels is provided to select preferred power amplifier parameters in conjunction with differing channel voicings. Thus, differing preferred power amplifier characteristics may be pre-set and assigned to individual preamplifier channels and called up automatically in conjunction with the remote channel selection.
H03F 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
H03F 1/14 - Modifications des amplificateurs pour réduire l'influence défavorable de l'impédance interne des éléments amplificateurs par utilisation de moyens de neutrodynage
H03F 3/68 - Combinaisons d'amplificateurs, p. ex. amplificateurs à plusieurs voies pour stéréophonie
G10H 1/00 - Éléments d'instruments de musique électrophoniques
A novel multi-signal guitar pickup is provided. The pickup includes a coil assembly for each string that is capable of generating two signals which can be combined together in a predetermined manner to generate an x-plane and a y-plane signal. The pickup is particularly useful in a digital guitar system which generates multiple digital signals representative of the vibrations of each string.
G10H 3/14 - Instruments dans lesquels les sons sont produits par des moyens électromécaniques utilisant des générateurs résonnants mécaniques, p. ex. des cordes ou des instruments à percussion, dont les sons sont captés par des transducteurs électromécaniques, les signaux électriques étant alors traités ou amplifiés puis convertis en ondes sonores au moyen d'un haut-parleur ou d'un dispositif équivalent utilisant des vibrateurs excités mécaniquement et munis de capteurs
