EP2974376A4 - Ultrasonic transducer with driver, control, and clock signal distribution - Google Patents

Ultrasonic transducer with driver, control, and clock signal distribution

Info

Publication number
EP2974376A4
EP2974376A4 EP14764350.6A EP14764350A EP2974376A4 EP 2974376 A4 EP2974376 A4 EP 2974376A4 EP 14764350 A EP14764350 A EP 14764350A EP 2974376 A4 EP2974376 A4 EP 2974376A4
Authority
EP
European Patent Office
Prior art keywords
driver
control
clock signal
ultrasonic transducer
signal distribution
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP14764350.6A
Other languages
German (de)
French (fr)
Other versions
EP2974376A2 (en
Inventor
Matthew Angle
Marc Berte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ubeam Inc
Original Assignee
Ubeam Inc
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
Priority claimed from US13/832,386 external-priority patent/US9242272B2/en
Priority claimed from US13/832,393 external-priority patent/US9707593B2/en
Priority claimed from US13/837,479 external-priority patent/US9278375B2/en
Priority claimed from US13/834,323 external-priority patent/US9983616B2/en
Application filed by Ubeam Inc filed Critical Ubeam Inc
Publication of EP2974376A2 publication Critical patent/EP2974376A2/en
Publication of EP2974376A4 publication Critical patent/EP2974376A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use
EP14764350.6A 2013-03-15 2014-03-14 Ultrasonic transducer with driver, control, and clock signal distribution Withdrawn EP2974376A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US13/832,386 US9242272B2 (en) 2013-03-15 2013-03-15 Ultrasonic driver
US13/832,393 US9707593B2 (en) 2013-03-15 2013-03-15 Ultrasonic transducer
US13/837,479 US9278375B2 (en) 2013-03-15 2013-03-15 Ultrasonic transducer control
US13/834,323 US9983616B2 (en) 2013-03-15 2013-03-15 Transducer clock signal distribution
PCT/US2014/028133 WO2014143942A2 (en) 2013-03-15 2014-03-14 Ultrasonic transducer with driver, control, and clock signal distribution

Publications (2)

Publication Number Publication Date
EP2974376A2 EP2974376A2 (en) 2016-01-20
EP2974376A4 true EP2974376A4 (en) 2016-12-14

Family

ID=51538288

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14764350.6A Withdrawn EP2974376A4 (en) 2013-03-15 2014-03-14 Ultrasonic transducer with driver, control, and clock signal distribution

Country Status (4)

Country Link
EP (1) EP2974376A4 (en)
KR (1) KR20150129854A (en)
CA (1) CA2902443A1 (en)
WO (1) WO2014143942A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10315224B2 (en) 2015-05-20 2019-06-11 uBeam Inc. Ultrasonic transducer
US11048329B1 (en) 2017-07-27 2021-06-29 Emerge Now Inc. Mid-air ultrasonic haptic interface for immersive computing environments

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010035700A1 (en) * 1995-09-20 2001-11-01 The Board Of Trustees Of The Leland Stanford Junior University Micromachined two dimensional array of piezoelectrically actuated flextensional transducers
US6445108B1 (en) * 1999-02-19 2002-09-03 Murata Manufacturing Co., Ltd. Piezoelectric acoustic component
US20030020376A1 (en) * 2001-07-26 2003-01-30 Kenji Sakaguchi Surface acoustic wave element, surface acoustic wave device using the same, and method for manufacturing surface acoustic wave element and surface acoustic wave device
US20070109064A1 (en) * 2003-03-31 2007-05-17 Suren Systems, Ltd. Piezoelectric Transducer Signal Processing Circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3450430B2 (en) * 1994-05-31 2003-09-22 株式会社東芝 Ultrasonic transducer
US7489593B2 (en) * 2004-11-30 2009-02-10 Vermon Electrostatic membranes for sensors, ultrasonic transducers incorporating such membranes, and manufacturing methods therefor
JP2008244964A (en) * 2007-03-28 2008-10-09 Seiko Epson Corp Electrostatic type ultrasonic transducer, electrostatic type transducer, ultrasonic speaker, speaker arrangement, audio signal playback method using electrostatic type ultrasonic transducer, directional acoustic system, and display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010035700A1 (en) * 1995-09-20 2001-11-01 The Board Of Trustees Of The Leland Stanford Junior University Micromachined two dimensional array of piezoelectrically actuated flextensional transducers
US6445108B1 (en) * 1999-02-19 2002-09-03 Murata Manufacturing Co., Ltd. Piezoelectric acoustic component
US20030020376A1 (en) * 2001-07-26 2003-01-30 Kenji Sakaguchi Surface acoustic wave element, surface acoustic wave device using the same, and method for manufacturing surface acoustic wave element and surface acoustic wave device
US20070109064A1 (en) * 2003-03-31 2007-05-17 Suren Systems, Ltd. Piezoelectric Transducer Signal Processing Circuit

Also Published As

Publication number Publication date
EP2974376A2 (en) 2016-01-20
KR20150129854A (en) 2015-11-20
CA2902443A1 (en) 2014-09-18
WO2014143942A3 (en) 2014-11-20
WO2014143942A2 (en) 2014-09-18

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