WO2013118122A1 - Effets de vibrations de basse fréquence - Google Patents

Effets de vibrations de basse fréquence Download PDF

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Publication number
WO2013118122A1
WO2013118122A1 PCT/IL2013/050114 IL2013050114W WO2013118122A1 WO 2013118122 A1 WO2013118122 A1 WO 2013118122A1 IL 2013050114 W IL2013050114 W IL 2013050114W WO 2013118122 A1 WO2013118122 A1 WO 2013118122A1
Authority
WO
WIPO (PCT)
Prior art keywords
solenoid
closed loop
sensation
tactile transducer
transducer
Prior art date
Application number
PCT/IL2013/050114
Other languages
English (en)
Inventor
Mor Efrati
Original Assignee
Woojer Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Woojer Ltd. filed Critical Woojer Ltd.
Publication of WO2013118122A1 publication Critical patent/WO2013118122A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/20—Input arrangements for video game devices
    • A63F13/24—Constructional details thereof, e.g. game controllers with detachable joystick handles
    • A63F13/245—Constructional details thereof, e.g. game controllers with detachable joystick handles specially adapted to a particular type of game, e.g. steering wheels
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/25—Output arrangements for video game devices
    • A63F13/28—Output arrangements for video game devices responding to control signals received from the game device for affecting ambient conditions, e.g. for vibrating players' seats, activating scent dispensers or affecting temperature or light
    • A63F13/285—Generating tactile feedback signals via the game input device, e.g. force feedback
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/50—Controlling the output signals based on the game progress
    • A63F13/54—Controlling the output signals based on the game progress involving acoustic signals, e.g. for simulating revolutions per minute [RPM] dependent engine sounds in a driving game or reverberation against a virtual wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/10—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by input arrangements for converting player-generated signals into game device control signals
    • A63F2300/1037—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by input arrangements for converting player-generated signals into game device control signals being specially adapted for converting control signals received from the game device into a haptic signal, e.g. using force feedback
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/013—Force feedback applied to a game
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/015—Force feedback applied to a joystick

Definitions

  • the human ear is able to sense vibrations over a wide range of frequencies as audible sound.
  • mechanical vibrators may be attached to the body.
  • Preferred locations are on acoustic meridians, such as near the sternum and the base of the spine, or on the legs or feet. This can provide sensations that are felt rather than heard, and which can provide or contribute to an immersive effect, particularly when provided with and synchronized with audible and visible sensations via earphones and screens.
  • music, electronic games and movies may be enhanced by providing low frequency signals to the body.
  • Electromechanical vibrators that are capable of providing low frequency vibrations may comprise eccentric motors or pistons that consist of solenoid and magnets that are attracted and repelled by alternating currents in the solenoid.
  • the device was used for receiving low frequency electronic signals and for generating low frequency vibrations, particularly for enhancing the enjoyment of music, games and films to a wearer.
  • the present application discusses how related devices and appropriate signals may further enhance the user experience.
  • a first aspect of the invention is directed to a method of providing a personal experience to a person comprising the steps of:
  • the tactile transducer is worn, and is either attached to a garment or strapped to the body via the anchor.
  • the tactile transducer is attached to an interface selected from the group consisting of a seat, a platform, a joystick, a steering wheel, a handlebar and a wand.
  • the tactile transducer comprises a closed loop of steel, a solenoid coupled to the closed loop and a magnetic array coupled to the closed loop opposite the solenoid and around the axis of the solenoid, such that changing electrical current in the solenoid causes the magnetic array to oscillate from side to side, tangential to the solenoid.
  • the movement of the tactile transducer causes a tugging effect that provides a directional sensation.
  • the closed loop of steel comprises S1010 steel and the magnets are niobium magnets.
  • the anchor for attachment to the person is coupled to the tactile transducer near to its center of mass.
  • the transducer may provide a sensation of mood.
  • the sensation of mood may be selected from the group comprising anxiety, stress, spookiness and unease.
  • a person is exposed to audio or visual stimuli that are synchronized with the tactile frequency to reinforce the sensation of mood.
  • the person is exposed to audio or visual stimuli that are spooky to provide a haunted sensation.
  • the infrasonic signal is coupled with audible sound and / or images to provide a sensation of a natural phenomenon.
  • a second aspect is directed to providing a tactile transducer that comprises a closed loop of steel, a solenoid coupled to the closed loop and a magnetic array coupled to the closed loop, opposite the solenoid around the axis of the solenoid, such that an electrical signal in the solenoid causes the magnetic array to move sideways in a direction tangential to the solenoid.
  • the tactile transducer further comprising a static element coupled to the closed loop near to near to a center of mass of the transducer such that the tactile transducer vibrates around the static element.
  • the tactile transducer may be configured such that a non- symmetrical low frequency electrical signal to the solenoid provides a directional tug.
  • a third aspect of the invention is directed to a mechanical interface for a gaming system comprising at least one tactile transducer for providing a player with a sensation, the tactile transducer comprising a closed loop of steel, a solenoid coupled to the closed loop, a magnetic array coupled to the closed loop opposite the solenoid and symmetrically arranged around the axis of the solenoid such that an electrical signal in the solenoid causes the magnetic array to move sideways in a direction tangential to the solenoid, where the stiffness of the loop prevents the magnets and solenoid from contacting.
  • a non symmetrical electrical signal provided to the mechanical interface provides a directional tug.
  • the directional tug may be selected from the group comprising an
  • acceleration a deceleration, a left turn, a right turn, an upwards pull, a downwards pull, a forwards pull and a backwards pull.
  • a very low frequency vibration provided to the mechanical interface provides a sensation is a mood.
  • the mechanical interface may be selected from the list comprising a platform, a joystick, a steering wheel and a wand.
  • the mechanical interface may enable playing an interactive game and may provide an immersive experience.
  • Fig. 1 is a flowchart of a method in accordance with one embodiment of the invention.
  • Fig. 2 is a schematic illustration of a tactile transducer in accordance with an embodiment of the invention.
  • Fig. 3 is a schematic illustration of a tactile transducer coupled via an anchor attached near the center of gravity, in accordance with another embodiment of the invention.
  • Fig. 4 is a specific waveform designed for the transducer of Fig. 3 for providing a directional tug.
  • the tactile sensations are provided together with audible and visual sensations to provide an immersive experience.
  • Substantially sinusoidal infrasonic vibrations have been found to affect the mood of the person. Where such signals are provided together with appropriate audible and visual stimuli, specific feelings such as tension, uneasiness and anxiety are felt. Appropriate low frequency signals may enhance the feeling of suspense when watching a movie scene depicting horror, suspense, or haunting, and provides an additional level of sensory perception to the audible and visual stimuli.
  • a mechanical transducer comprising a solenoid coil coupled by a steel band to a magnetic array such that the magnets are arranged around the axis of the coil and separated slightly from the coil, is able to convert very low frequency electrical signals into a sideways movement of the magnetic array with respect to the the axis of the coil.
  • the transducer is attached to a person via a strap around a body part, such as a belt or necklace, or is attached via a clip to a person's garments, movement of the transducer is felt by the wearer.
  • preferred embodiments may consist of a plurality of transducers that provide the same or slightly different signals to both wrists or to both feet or to a transducer on the back, with a second transducer on the chest, to reinforce the effect.
  • a method of providing a personal experience to a person comprising the steps of: (a) providing a tactile transducer; (b) coupling the tactile transducer to an anchor; (c) providing an ultra low frequency electrical signal to the vibrating transducer, and (d) inducing a vibration in the anchor for sensing by the person.
  • the tactile transducer 10 comprises a closed loop of steel 12, a solenoid 14 coupled to the closed loop 12 at a proximal end stiffened with a proximal stiffening plate 16, and a magnetic array 18 coupled to the closed loop 12 attached a distal end that is stiffened with a distal plate 20 opposite the solenoid 14 symmetrically arranged around the axis X-X of the solenoid 14, such that changing electrical current in the solenoid 14 causes the magnetic array 18 to move from side to side L-R along a path that is substantially tangential to the axis X-X of the solenoid 14, the closed loop 12 of steel keeping the magnets 14 separated from the solenoid, but enabling them to vibrate from side to side.
  • the magnetic array 16 comprises a pair of button magnets 18a, 18b arranged so in opposite orientation so that one magnet 18a is arranged South Seeking Pole facing towards the solenoid 14, and the other magnet 18b is arranged with the North Seeking Pole facing towards the solenoid 14.
  • the end of the solenoid 14 facing the magnetic array 18 is alternately magnetized North seeking and South seeking (in accordance with the right hand grip rule).
  • the upper face 15 is magnetized North seeking, the South seeking face of the magnet 18a is attracted and the north seeking face of the magnet 18b is repelled and the distal end of the transducer 10 is shifted to the right, the flexibility of the loop 12 enabling the side to side movement, but preventing the magnets from moving closer to or away from the solenoid 14.
  • the upper face 15 is magnetized South seeking, the North seeking face of the magnet 18b is attracted and the South seeking face of the magnet 18a is repelled and the distal end of the transducer 10 is shifted to the left.
  • the stem or anchor 22 of the transducer is attached to a garment or strapped to the body, the left and right shifts may be felt by the body through the anchor 22.
  • the closed loop 12 comprises S1010 steel and the magnets 18 are niobium magnets.
  • the stiffness and elasticity of the closed loop 12 serve to return the magnetic array 18 to its rest position, symmetrically arranged around the axis X-X of the solenoid 14.
  • Low frequency symmetrical waveforms such as sinusoidal waveforms are felt as low frequency vibrations.
  • the transducer may provide a sensation of mood.
  • the movement of the tactile transducer 10 causes a tugging effect that provides a directional sensation.
  • non sinusoidal signals such as that shown in Fig. 4 for example, or even a saw-tooth signal, can provide a directional movement to the transducer 10 that is felt as a tug.
  • the anchor 24 is coupled to the tactile transducer 100 near to its center of mass, for example, by a nonconducting clamp 26 attached to the solenoid 14.
  • the tactile transducer 100 is worn on the body and provides a tactile sensation directly to the body. This is particularly effective for low frequency mood inducing sensations.
  • the tactile transducer is attached to an interface such as a seat, or to a control interface for a game console such as Nintendo's Wii, Microsoft's Xbox 360 or Sony's PlayStation 3.
  • the control interface may be a joystick for general purpose game playing, a steering wheel or a handlebar for controlling a car or bike, a wand for playing magical fantasy games, or a platform for sensing body movements for simulating hula-hooping, skiing and similar applications.
  • a transducer 10 (100) of the invention may be coupled to a steering wheel used for steering a vehicle in a computer game.
  • the transducer may provide the player with a resistance to turning that can be synchronized with the virtual topography of the terrain being navigated across to provide the player with a feeling of centrifugal force, for example.
  • a transducer may be attached to the handlebars of a motorbike or a water-bike of an arcade game to provide turning resistance.
  • One or more transducers may be coupled to the footrests and / or seat of a motorbike or waterbike in an electronic arcade video game, to provide both low frequency vibrations that provide a feeling of sitting astride a powerful motor, and superimposed vibrations that are indicative of the terrain.
  • accelerations, decelerations, left and right turns, upwards pulls, downwards pulls, forwards and backwards pulls may be created.
  • the transducer may provide low frequency vibrations that create or enhance a mood. If the person is also exposed to audio or visual stimuli through sounds and images that are synchronized with the tactile frequency, the sensation of mood is enhanced.
  • a player may be exposed to audio or visual stimuli and to infrasonic vibrations to provide a haunted sensation.
  • this can provide a very good immersive experience, enhancing magical experiences, for example.
  • infrasonic vibrations there are also natural phenomena that include infrasonic vibrations. These include glaciers calving icebergs, for example. It will be noted that a tiger's roar includes subsonic vibrations of about 18 Hz, which contribute to the menacing sensation that the roar induces. It will be appreciated that an infrasonic signal may be coupled with audible sound and / or images to provide an enhanced sensation of such natural phenomena and an improved immersive experience.
  • the tactile sensor of the invention may be combined with images projected onto a screen, onto special spectacles or onto the retina of the person, and with sounds generated via earphones or speakers.
  • the tactile sensor may be provided as part of a console, smartphone, and the like, together with accelerometers and other tactile sensors.
  • low frequency and directed vibrations are not only for entertainment. It will be appreciated that low frequency vibrations to specific body parts may also provide therapeutic effects.
  • the application of non-symmetrical signals may provide a directional stimulus that can provide a feeling or well being, and may stimulate blood circulation, relieve muscle cramps and have other beneficial effects.
  • FIG. 4 an exemplary waveform for giving a directional effect to the transducer of Fig. 3 is shown.
  • the structure of the signal is a combination of an attack signal which is a 200Hz sine wave with a sustain, decay & release signal that has a frequency of 50Hz.
  • the amplitude of the wave is +4dB, and the release of the signal ends at a single strength of -22dB. It will be appreciated that this wave has been developed for a specific transducer as shown in Fig. 3, and variations in the various parameters such as the number of coils of the solenoid, the size and strength of the magnets, the coefficient of elasticity and the dimensions of the band of steel 12, can all affect the shape of the optimum signal.
  • a saw-toothed wave form is shown.
  • Saw toothed wave causes a sharp tug towards the left.
  • the decay to the right takes 6 times as long and is therefore not really felt.
  • a series of saw-toothed waveforms of Fig. 5, with gradually increasing amplitudes, provides a continuous pulling to the left, instead of a sharp tug.
  • Fig. 7 shows a series of saw toothed waveforms as with Fig. 6, that provides a smooth pull to the left, followed by a second series of saw-toothed waveforms having a sharp rise to the right, followed by a relatively long decay.
  • the sensor receiving the waveform of Fig. 7 experiences a smooth pulling to the left, followed by a smooth pulling to the right.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Un transducteur tactile et un procédé de fourniture d'une expérience personnelle à une personne, comprenant : la fourniture d'un transducteur tactile; le couplage du transducteur tactile à un élément d'ancrage; la fourniture d'un signal électrique basse fréquence au transducteur tactile, et le fait d'induire un mouvement dans l'ancrage.
PCT/IL2013/050114 2012-02-08 2013-02-07 Effets de vibrations de basse fréquence WO2013118122A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261956260P 2012-02-08 2012-02-08
US201261596240P 2012-02-08 2012-02-08
US61/956,260 2012-02-08
US61/596,240 2012-02-08

Publications (1)

Publication Number Publication Date
WO2013118122A1 true WO2013118122A1 (fr) 2013-08-15

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ID=48946976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2013/050114 WO2013118122A1 (fr) 2012-02-08 2013-02-07 Effets de vibrations de basse fréquence

Country Status (1)

Country Link
WO (1) WO2013118122A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3002958A1 (fr) * 2014-10-01 2016-04-06 Woojer Ltd. Transducteur basse fréquence tactile
US9461529B2 (en) 2010-09-01 2016-10-04 Mor Efrati Tactile low frequency transducer
US9924251B2 (en) 2010-09-01 2018-03-20 Mor Efrati Transducer holder
US9967640B2 (en) 2015-08-20 2018-05-08 Bodyrocks Audio Incorporation Devices, systems, and methods for vibrationally sensing audio
CN110321010A (zh) * 2019-08-14 2019-10-11 深圳市景雄科技有限公司 一种触觉传感器及其系统和影院的音频系统
WO2021079101A1 (fr) * 2019-10-22 2021-04-29 University Of Bath Pixels tactiles
US11484263B2 (en) 2017-10-23 2022-11-01 Datafeel Inc. Communication devices, methods, and systems
US11934583B2 (en) 2020-10-30 2024-03-19 Datafeel Inc. Wearable data communication apparatus, kits, methods, and systems
US11958415B2 (en) 2020-12-18 2024-04-16 Lear Corporation Pad with speaker retention bracket

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003024871A (ja) * 2001-07-13 2003-01-28 Nidec Copal Corp 振動発生器
US6982696B1 (en) * 1999-07-01 2006-01-03 Immersion Corporation Moving magnet actuator for providing haptic feedback
US20110169347A1 (en) * 2008-09-05 2011-07-14 Hideaki Miyamoto Linear motor and portable device provided with linear motor
US20110190058A1 (en) * 2005-06-27 2011-08-04 Coactive Drive Corporation Synchronized vibration device for haptic feedback

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6982696B1 (en) * 1999-07-01 2006-01-03 Immersion Corporation Moving magnet actuator for providing haptic feedback
JP2003024871A (ja) * 2001-07-13 2003-01-28 Nidec Copal Corp 振動発生器
US20110190058A1 (en) * 2005-06-27 2011-08-04 Coactive Drive Corporation Synchronized vibration device for haptic feedback
US20110169347A1 (en) * 2008-09-05 2011-07-14 Hideaki Miyamoto Linear motor and portable device provided with linear motor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9461529B2 (en) 2010-09-01 2016-10-04 Mor Efrati Tactile low frequency transducer
US9924251B2 (en) 2010-09-01 2018-03-20 Mor Efrati Transducer holder
EP3002958A1 (fr) * 2014-10-01 2016-04-06 Woojer Ltd. Transducteur basse fréquence tactile
US9967640B2 (en) 2015-08-20 2018-05-08 Bodyrocks Audio Incorporation Devices, systems, and methods for vibrationally sensing audio
US11484263B2 (en) 2017-10-23 2022-11-01 Datafeel Inc. Communication devices, methods, and systems
US11589816B2 (en) 2017-10-23 2023-02-28 Datafeel Inc. Communication devices, methods, and systems
US11684313B2 (en) 2017-10-23 2023-06-27 Datafeel Inc. Communication devices, methods, and systems
US11864913B2 (en) 2017-10-23 2024-01-09 Datafeel Inc. Communication devices, methods, and systems
US11864914B2 (en) 2017-10-23 2024-01-09 Datafeel Inc. Communication devices, methods, and systems
US11931174B1 (en) 2017-10-23 2024-03-19 Datafeel Inc. Communication devices, methods, and systems
CN110321010A (zh) * 2019-08-14 2019-10-11 深圳市景雄科技有限公司 一种触觉传感器及其系统和影院的音频系统
WO2021079101A1 (fr) * 2019-10-22 2021-04-29 University Of Bath Pixels tactiles
US11934583B2 (en) 2020-10-30 2024-03-19 Datafeel Inc. Wearable data communication apparatus, kits, methods, and systems
US11958415B2 (en) 2020-12-18 2024-04-16 Lear Corporation Pad with speaker retention bracket

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