JPS51120710A - Digital speakes system - Google Patents

Digital speakes system

Info

Publication number
JPS51120710A
JPS51120710A JP4550275A JP4550275A JPS51120710A JP S51120710 A JPS51120710 A JP S51120710A JP 4550275 A JP4550275 A JP 4550275A JP 4550275 A JP4550275 A JP 4550275A JP S51120710 A JPS51120710 A JP S51120710A
Authority
JP
Japan
Prior art keywords
digital
speakes
converter
require
speaker system
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.)
Pending
Application number
JP4550275A
Other languages
Japanese (ja)
Inventor
Hikari Hashizume
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.)
Kawai Musical Instrument Manufacturing Co Ltd
Original Assignee
Kawai Musical Instrument Manufacturing Co 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 Kawai Musical Instrument Manufacturing Co Ltd filed Critical Kawai Musical Instrument Manufacturing Co Ltd
Priority to JP4550275A priority Critical patent/JPS51120710A/en
Publication of JPS51120710A publication Critical patent/JPS51120710A/en
Pending 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements

Abstract

PURPOSE: To obtain a digital speaker system which does not require any D-A converter.
COPYRIGHT: (C)1976,JPO&Japio
JP4550275A 1975-04-15 1975-04-15 Digital speakes system Pending JPS51120710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4550275A JPS51120710A (en) 1975-04-15 1975-04-15 Digital speakes system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4550275A JPS51120710A (en) 1975-04-15 1975-04-15 Digital speakes system

Publications (1)

Publication Number Publication Date
JPS51120710A true JPS51120710A (en) 1976-10-22

Family

ID=12721168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4550275A Pending JPS51120710A (en) 1975-04-15 1975-04-15 Digital speakes system

Country Status (1)

Country Link
JP (1) JPS51120710A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723387A (en) * 1980-07-17 1982-02-06 Nec Corp Pulse code modulation decoder
US8085964B2 (en) 2006-05-22 2011-12-27 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
US8126163B2 (en) 2006-05-22 2012-02-28 Audio Pixels Ltd. Volume and tone control in direct digital speakers
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
US8780673B2 (en) 2007-11-21 2014-07-15 Audio Pixels Ltd. Digital speaker apparatus
US9391541B2 (en) 2010-03-11 2016-07-12 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
US9425708B2 (en) 2010-11-26 2016-08-23 Audio Pixels Ltd. Apparatus and methods for individual addressing and noise reduction in actuator arrays
US9880533B2 (en) 2012-05-25 2018-01-30 Audio Pixels Ltd. System, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
US10007244B2 (en) 2012-05-25 2018-06-26 Audio Pixels Ltd. System, a method and a computer program product for controlling a set of actuator elements
US10520601B2 (en) 2015-04-15 2019-12-31 Audio Pixels Ltd. Methods and systems for detecting at least the position of an object in space

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945673A (en) * 1972-06-30 1974-05-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945673A (en) * 1972-06-30 1974-05-01

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723387A (en) * 1980-07-17 1982-02-06 Nec Corp Pulse code modulation decoder
US8085964B2 (en) 2006-05-22 2011-12-27 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
US8126163B2 (en) 2006-05-22 2012-02-28 Audio Pixels Ltd. Volume and tone control in direct digital speakers
US8374056B2 (en) 2006-05-22 2013-02-12 Audio Pixels Ltd. Direct digital speaker apparatus having a desired directivity pattern
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
US9497526B2 (en) 2007-11-21 2016-11-15 Audio Pixels Ltd. Speaker apparatus and methods useful in conjunction therewith
EP3525483A1 (en) 2007-11-21 2019-08-14 Audio Pixels Ltd. Improved speaker apparatus and methods useful in conjuction therewith
US9445170B2 (en) 2007-11-21 2016-09-13 Audio Pixels Ltd. Speaker apparatus and methods useful in conjunction therewith
US8780673B2 (en) 2007-11-21 2014-07-15 Audio Pixels Ltd. Digital speaker apparatus
EP2846557A1 (en) 2007-11-21 2015-03-11 Audio Pixels Ltd. Improved speaker apparatus
US9391541B2 (en) 2010-03-11 2016-07-12 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
US11139772B2 (en) 2010-03-11 2021-10-05 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
US10554166B2 (en) 2010-03-11 2020-02-04 Audi Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
US9986343B2 (en) 2010-11-26 2018-05-29 Audio Pixels Ltd. Apparatus and methods for individual addressing and noise reduction in actuator arrays
US9425708B2 (en) 2010-11-26 2016-08-23 Audio Pixels Ltd. Apparatus and methods for individual addressing and noise reduction in actuator arrays
US10007244B2 (en) 2012-05-25 2018-06-26 Audio Pixels Ltd. System, a method and a computer program product for controlling a set of actuator elements
US10503136B2 (en) 2012-05-25 2019-12-10 Audio Pixels Ltd. System, a method and a computer program product for controlling a set of actuator elements
US9880533B2 (en) 2012-05-25 2018-01-30 Audio Pixels Ltd. System, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
US10642240B2 (en) 2012-05-25 2020-05-05 Audio Pixels Ltd. System, a method and a computer program product for controlling a set of actuator elements
US10520601B2 (en) 2015-04-15 2019-12-31 Audio Pixels Ltd. Methods and systems for detecting at least the position of an object in space

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