IT996885B - Convertitore digitale analogico con modulazione in ampiezza e in larghezza degli impulsi - Google Patents

Convertitore digitale analogico con modulazione in ampiezza e in larghezza degli impulsi

Info

Publication number
IT996885B
IT996885B IT70144/73A IT7014473A IT996885B IT 996885 B IT996885 B IT 996885B IT 70144/73 A IT70144/73 A IT 70144/73A IT 7014473 A IT7014473 A IT 7014473A IT 996885 B IT996885 B IT 996885B
Authority
IT
Italy
Prior art keywords
digital converter
analog digital
width
pulse width
width modulation
Prior art date
Application number
IT70144/73A
Other languages
English (en)
Original Assignee
Inductosyn Corp
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 Inductosyn Corp filed Critical Inductosyn Corp
Application granted granted Critical
Publication of IT996885B publication Critical patent/IT996885B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2073—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
    • G01D5/208—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils using polyphase currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Networks Using Active Elements (AREA)
  • Analogue/Digital Conversion (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IT70144/73A 1972-10-26 1973-10-24 Convertitore digitale analogico con modulazione in ampiezza e in larghezza degli impulsi IT996885B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30103072A 1972-10-26 1972-10-26

Publications (1)

Publication Number Publication Date
IT996885B true IT996885B (it) 1975-12-10

Family

ID=23161633

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70144/73A IT996885B (it) 1972-10-26 1973-10-24 Convertitore digitale analogico con modulazione in ampiezza e in larghezza degli impulsi

Country Status (10)

Country Link
US (1) US3789393A (it)
JP (1) JPS4975254A (it)
CA (1) CA984511A (it)
CH (1) CH574189A5 (it)
DE (1) DE2349904C3 (it)
FR (1) FR2204924B1 (it)
GB (1) GB1433909A (it)
IT (1) IT996885B (it)
NO (1) NO144688C (it)
SE (1) SE395580B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900843A (en) * 1972-09-05 1975-08-19 Singer Co Gyro pickoff apparatus to sense deviations of a vehicle axis from a gyro spin axis
US3893102A (en) * 1973-11-02 1975-07-01 Bell Telephone Labor Inc Digital-to-analog converter using differently decoded bit groups
US3896299A (en) * 1974-05-28 1975-07-22 Rockwell International Corp Trigonometric analog-to-digital conversion apparatus
US3962620A (en) * 1974-06-03 1976-06-08 The Arthur G. Russell Company, Incorporated Switching apparatus
SE413265B (sv) * 1975-10-22 1980-05-12 Data Automation Corp Anordning for att bestemma legeskoordinater pa en arbetsyta
JPS5295155A (en) * 1976-02-06 1977-08-10 Matsushita Electric Ind Co Ltd Da converter
US4357489A (en) * 1980-02-04 1982-11-02 Texas Instruments Incorporated Low voltage speech synthesis system with pulse width digital-to-analog converter
US4484178A (en) * 1982-06-22 1984-11-20 International Business Machines Corporation Digital-to-analog converter
US4743821A (en) * 1986-10-14 1988-05-10 International Business Machines Corporation Pulse-width-modulating feedback control of electromagnetic actuators
DE3905382A1 (de) * 1989-02-22 1990-08-23 Grossenbacher Elektronik Ag Messverfahren zur wegmessung mittels resolver und inductosyn
US5517099A (en) * 1993-06-15 1996-05-14 International Modern Technologies, Inc. Method and apparatus for robust integral-pulse control of a servodrive of unknown dynamics
US5838614A (en) 1995-07-31 1998-11-17 Lexar Microsystems, Inc. Identification and verification of a sector within a block of mass storage flash memory
US6552666B1 (en) * 1996-03-16 2003-04-22 Atsutoshi Goto Phase difference detection device and method for a position detector
US6014055A (en) * 1998-02-06 2000-01-11 Intersil Corporation Class D amplifier with reduced clock requirement and related methods
US6434582B1 (en) * 1999-06-18 2002-08-13 Advanced Micro Devices, Inc. Cosine algorithm for relatively small angles
BR0110238A (pt) * 2000-05-03 2003-01-21 Horton Inc Sistema de refrigeração com ventilador de motor anular de dc sem escova
DE10033575B4 (de) * 2000-07-11 2005-04-21 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Abschätzung der Frequenz eines digitalen Signals
US6476747B1 (en) * 2001-04-10 2002-11-05 Adc Telecommunications Israel Ltd. Digital to analog converter
US7196604B2 (en) * 2001-05-30 2007-03-27 Tt Electronics Technology Limited Sensing apparatus and method
GB0126014D0 (en) 2001-10-30 2001-12-19 Sensopad Technologies Ltd Modulated field position sensor
US7298137B2 (en) * 2002-10-16 2007-11-20 Tt Electronics Technology Limited Position sensing apparatus and method
GB2394293A (en) * 2002-10-16 2004-04-21 Gentech Invest Group Ag Inductive sensing apparatus and method
GB0303627D0 (en) * 2003-02-17 2003-03-19 Sensopad Technologies Ltd Sensing method and apparatus
US20080204116A1 (en) * 2004-08-09 2008-08-28 Sensopad Limited Sensing Apparatus And Method
US7855669B2 (en) 2008-09-26 2010-12-21 Silicon Laboratories, Inc. Circuit device to generate a high precision control signal
KR101566987B1 (ko) * 2014-12-17 2015-11-06 래드손(주) 펄스 면적 변조 방법 및 이를 이용하는 펄스 면적 변조기
US9960784B1 (en) 2017-04-13 2018-05-01 Hamilton Sundstrand Corporation Analog to digital converters
CN116269733B (zh) * 2023-03-20 2024-05-03 成都飞云科技有限公司 一种脉冲消融导管、装置及脉冲消融方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324376A (en) * 1963-12-30 1967-06-06 Gen Precision Inc Linear d.c. to a.c. converter
US3446992A (en) * 1966-12-27 1969-05-27 Nasa Bus voltage compensation circuit for controlling direct current motor
US3596200A (en) * 1969-06-24 1971-07-27 Int Water And Control Systems Simultaneous complementary output pulse generator
US3621354A (en) * 1970-01-07 1971-11-16 Gen Electric Dc motor current actuated digital control system
US3668560A (en) * 1970-07-09 1972-06-06 Research Corp Pulse-width frequency modulation device
US3706943A (en) * 1971-10-20 1972-12-19 Gen Electric Modulating circuit

Also Published As

Publication number Publication date
CA984511A (en) 1976-02-24
CH574189A5 (it) 1976-03-31
FR2204924A1 (it) 1974-05-24
US3789393A (en) 1974-01-29
SE395580B (sv) 1977-08-15
DE2349904C3 (de) 1979-01-18
AU6078773A (en) 1975-03-27
GB1433909A (en) 1976-04-28
FR2204924B1 (it) 1978-02-24
NO144688B (no) 1981-07-06
DE2349904B2 (de) 1978-05-11
NO144688C (no) 1981-10-14
JPS4975254A (it) 1974-07-19
DE2349904A1 (de) 1974-05-09

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