WO2003012558A3 - Envelope modulator for haptic feedback devices - Google Patents

Envelope modulator for haptic feedback devices Download PDF

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Publication number
WO2003012558A3
WO2003012558A3 PCT/US2002/024534 US0224534W WO03012558A3 WO 2003012558 A3 WO2003012558 A3 WO 2003012558A3 US 0224534 W US0224534 W US 0224534W WO 03012558 A3 WO03012558 A3 WO 03012558A3
Authority
WO
WIPO (PCT)
Prior art keywords
envelope
coupled
modulator
envelope modulator
receiving
Prior art date
Application number
PCT/US2002/024534
Other languages
French (fr)
Other versions
WO2003012558A2 (en
Inventor
Kollin M Tierling
Original Assignee
Immersion Corp
Kollin M Tierling
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 Immersion Corp, Kollin M Tierling filed Critical Immersion Corp
Priority to AU2002319735A priority Critical patent/AU2002319735A1/en
Priority to DE60219195T priority patent/DE60219195D1/en
Priority to EP02750399A priority patent/EP1451648B1/en
Publication of WO2003012558A2 publication Critical patent/WO2003012558A2/en
Publication of WO2003012558A3 publication Critical patent/WO2003012558A3/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016Input arrangements with force or tactile feedback as computer generated output to the user
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/36Amplitude modulation by means of semiconductor device having at least three electrodes

Abstract

An amplitude modulator circuit (10) includes a reference oscillator (11) and an envelope modulator (12) coupled to the reference oscillator for receiving a reference signal. A microcontroller (14) is coupled to the envelope modulator for providing an envelope signal (13) to the envelope modulator and a low pass filter (15) is coupled to the envelope modulator for receiving a modulated command (16) from the envelope modulator. An inverter (17) is coupled to the low pass filter for receiving a low passed envelope modulated signal from the low pass filter and a transducer or amplifier (19) is coupled to the inverter and the low pass filter for receiving an inverted low passed signal and the low passed envelope modulated signal.
PCT/US2002/024534 2001-08-02 2002-08-02 Envelope modulator for haptic feedback devices WO2003012558A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2002319735A AU2002319735A1 (en) 2001-08-02 2002-08-02 Envelope modulator for haptic feedback devices
DE60219195T DE60219195D1 (en) 2001-08-02 2002-08-02 COVER MODULATOR FOR HAPTIC RE-MESSAGE DEVICES
EP02750399A EP1451648B1 (en) 2001-08-02 2002-08-02 Envelope modulator for haptic feedback devices

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30991301P 2001-08-02 2001-08-02
US60/309,913 2001-08-02
US10/208,575 2002-07-29
US10/208,575 US7154470B2 (en) 2001-07-17 2002-07-29 Envelope modulator for haptic feedback devices

Publications (2)

Publication Number Publication Date
WO2003012558A2 WO2003012558A2 (en) 2003-02-13
WO2003012558A3 true WO2003012558A3 (en) 2003-05-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/024534 WO2003012558A2 (en) 2001-08-02 2002-08-02 Envelope modulator for haptic feedback devices

Country Status (3)

Country Link
US (2) US7154470B2 (en)
AU (1) AU2002319735A1 (en)
WO (1) WO2003012558A2 (en)

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US8102364B2 (en) 2012-01-24
WO2003012558A2 (en) 2003-02-13
US20070057916A1 (en) 2007-03-15
AU2002319735A1 (en) 2003-02-17
US20030057934A1 (en) 2003-03-27
US7154470B2 (en) 2006-12-26

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