WO1996001547A3 - Piezo speaker and installation method for laptop personal computer and other multimedia applications - Google Patents

Piezo speaker and installation method for laptop personal computer and other multimedia applications Download PDF

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Publication number
WO1996001547A3
WO1996001547A3 PCT/US1995/008131 US9508131W WO9601547A3 WO 1996001547 A3 WO1996001547 A3 WO 1996001547A3 US 9508131 W US9508131 W US 9508131W WO 9601547 A3 WO9601547 A3 WO 9601547A3
Authority
WO
WIPO (PCT)
Prior art keywords
personal computer
installation method
piezo speaker
multimedia applications
laptop personal
Prior art date
Application number
PCT/US1995/008131
Other languages
French (fr)
Other versions
WO1996001547A2 (en
Inventor
John K Conley
William Kokonaski
Michael J Parrella
Steven L Machacek
Original Assignee
Noise Cancellation Tech
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 Noise Cancellation Tech filed Critical Noise Cancellation Tech
Priority to EP95924733A priority Critical patent/EP0772953A4/en
Priority to CA002194266A priority patent/CA2194266C/en
Publication of WO1996001547A2 publication Critical patent/WO1996001547A2/en
Publication of WO1996001547A3 publication Critical patent/WO1996001547A3/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1615Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1632External expansion units, e.g. docking stations
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1688Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being integrated loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms

Abstract

The modifications to the computer consist of placing piezoelectric patches behind the LCD and directly to the back wall of the laptop lid. Damping materials and stiffeners are also added to the back wall to reduce structural resonance. A system consisting of an audio amplifier (5) and transformer (6) is used to drive the piezo speaker (7).
PCT/US1995/008131 1994-07-06 1995-06-29 Piezo speaker and installation method for laptop personal computer and other multimedia applications WO1996001547A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP95924733A EP0772953A4 (en) 1994-07-06 1995-06-29 Piezo speaker and installation method for laptop personal computer and other multimedia applications
CA002194266A CA2194266C (en) 1994-07-06 1995-06-29 Piezo speaker and installation method for laptop personal computer and other multimedia applications

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/267,218 1994-07-06
US08/267,218 US5638456A (en) 1994-07-06 1994-07-06 Piezo speaker and installation method for laptop personal computer and other multimedia applications

Publications (2)

Publication Number Publication Date
WO1996001547A2 WO1996001547A2 (en) 1996-01-18
WO1996001547A3 true WO1996001547A3 (en) 1996-02-22

Family

ID=23017832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/008131 WO1996001547A2 (en) 1994-07-06 1995-06-29 Piezo speaker and installation method for laptop personal computer and other multimedia applications

Country Status (4)

Country Link
US (1) US5638456A (en)
EP (1) EP0772953A4 (en)
CA (1) CA2194266C (en)
WO (1) WO1996001547A2 (en)

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US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment

Also Published As

Publication number Publication date
EP0772953A4 (en) 2002-11-13
WO1996001547A2 (en) 1996-01-18
EP0772953A2 (en) 1997-05-14
CA2194266C (en) 2001-04-03
US5638456A (en) 1997-06-10
CA2194266A1 (en) 1996-01-18

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