IT8420579A1 - "impianto acustico per la determinazione della distanza" - Google Patents

"impianto acustico per la determinazione della distanza"

Info

Publication number
IT8420579A1
IT8420579A1 IT1984A20579A IT2057984A IT8420579A1 IT 8420579 A1 IT8420579 A1 IT 8420579A1 IT 1984A20579 A IT1984A20579 A IT 1984A20579A IT 2057984 A IT2057984 A IT 2057984A IT 8420579 A1 IT8420579 A1 IT 8420579A1
Authority
IT
Italy
Prior art keywords
distance determination
acoustic system
acoustic
determination
distance
Prior art date
Application number
IT1984A20579A
Other languages
English (en)
Other versions
IT8420579A0 (it
IT1176073B (it
Original Assignee
American Telephone & Telegraph Company
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 American Telephone & Telegraph Company filed Critical American Telephone & Telegraph Company
Publication of IT8420579A0 publication Critical patent/IT8420579A0/it
Publication of IT8420579A1 publication Critical patent/IT8420579A1/it
Application granted granted Critical
Publication of IT1176073B publication Critical patent/IT1176073B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/903—Transmit-receive circuitry

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT20579/84A 1983-04-21 1984-04-17 Impianto acustico per la determinazione della distanza IT1176073B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/487,154 US4597068A (en) 1983-04-21 1983-04-21 Acoustic ranging system

Publications (3)

Publication Number Publication Date
IT8420579A0 IT8420579A0 (it) 1984-04-17
IT8420579A1 true IT8420579A1 (it) 1985-10-17
IT1176073B IT1176073B (it) 1987-08-12

Family

ID=23934627

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20579/84A IT1176073B (it) 1983-04-21 1984-04-17 Impianto acustico per la determinazione della distanza

Country Status (7)

Country Link
US (1) US4597068A (it)
JP (1) JPS59206790A (it)
DE (1) DE3414423A1 (it)
FR (1) FR2544868B1 (it)
GB (1) GB2138563B (it)
IT (1) IT1176073B (it)
SE (1) SE459769B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602857A1 (de) * 1986-01-31 1987-08-06 Swf Auto Electric Gmbh Einrichtung zur abstandsmessung, insbesondere fuer kraftfahrzeuge
DE8717553U1 (de) * 1987-12-11 1989-03-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur berührungslosen Abstandsmessung
US4850226A (en) * 1988-02-08 1989-07-25 Pandel Instruments, Inc. Interface circuit for use in an echo ranging system
US4980871A (en) * 1989-08-22 1990-12-25 Visionary Products, Inc. Ultrasonic tracking system
US5231483A (en) * 1990-09-05 1993-07-27 Visionary Products, Inc. Smart tracking system
US5347495A (en) * 1993-04-30 1994-09-13 Milltronics Ltd. Matching transformer for ultrasonic transducer
US5483501A (en) * 1993-09-14 1996-01-09 The Whitaker Corporation Short distance ultrasonic distance meter
US5528234A (en) * 1994-02-01 1996-06-18 Mani; Siva A. Traffic monitoring system for determining vehicle dimensions, speed, and class
US6411170B2 (en) * 2000-02-10 2002-06-25 Matsushita Electric Industrial Co., Ltd. Oscillation circuit
DE10314922A1 (de) * 2003-04-01 2004-10-14 Endress + Hauser Gmbh + Co. Kg Mit Ultraschall arbeitendes Füllstandsmeßgerät
DE102007027816A1 (de) * 2007-06-13 2008-12-18 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Ermittlung und Überwachung des Füllstands eines Füllguts in einem Behälter
US20110169520A1 (en) * 2010-01-14 2011-07-14 Mks Instruments, Inc. Apparatus for measuring minority carrier lifetime and method for using the same
US10277987B1 (en) * 2017-11-27 2019-04-30 Cirrus Logic, Inc. Personal status monitoring using piezoelectric transducer
CN108645503B (zh) * 2018-05-31 2019-11-12 华中科技大学 一种增强地音传感器低频测量能力的电路

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB569858A (en) * 1942-06-29 1945-06-12 United Aircraft Corp Improvements in means for generating high-frequency electric oscillations
BE474951A (it) * 1943-10-15
US2454132A (en) * 1944-01-11 1948-11-16 Paul F Brown Oscillating system
GB628532A (en) * 1944-05-11 1949-08-31 Philco Radio & Television Corp Improvements in or relating to pulse oscillation generator
US2562450A (en) * 1947-07-05 1951-07-31 Sperry Prod Inc Pulse cutoff device
GB653102A (en) * 1947-07-05 1951-05-09 Sperry Prod Inc Improvements in or relating to pulse generating apparatus
GB666896A (en) * 1949-04-05 1952-02-20 British Telecomm Res Ltd Improvements in and relating to electric oscillation generators
GB734939A (en) * 1951-07-27 1955-08-10 Siemens Reiniger Werke Ag Arrangement for the generation of brief supersonic impulses
US3296589A (en) * 1964-04-01 1967-01-03 Ikrath Kurt Seismic transmission-reception system
GB1074975A (en) * 1965-02-18 1967-07-05 Marconi Co Ltd Improvements in or relating to pulse triggered oscillation generators
DE1300584B (de) * 1968-05-03 1969-08-07 Siemens Ag Schaltungsanordnung zum Erzeugen einer Traegerschwingung, die durch ein Datensignal getastet wird
US3731201A (en) * 1970-11-12 1973-05-01 Itt Circuit arrangement for generating radio frequencies
NL7401844A (it) * 1973-04-12 1974-10-15
US3985030A (en) * 1974-10-29 1976-10-12 William Mcgeoch & Company Ultrasonic acoustic pulse echo ranging system
US4156823A (en) * 1977-05-06 1979-05-29 Hideyuki Suzuki Method for damping an ultrasonic transducer
JPS5433030A (en) * 1977-08-19 1979-03-10 Minolta Camera Co Ltd Electric power switch for camera
JPS5912145B2 (ja) * 1977-10-21 1984-03-21 古野電気株式会社 レ−ダ−及び類似装置
DE2813729C2 (de) * 1978-03-30 1979-08-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zur Anregung von Ultraschallschwingern, die in der Impuls-Echo-Technik eingesetzt werden
US4158787A (en) * 1978-05-08 1979-06-19 Hughes Aircraft Company Electromechanical transducer-coupled mechanical structure with negative capacitance compensation circuit
JPS56168573A (en) * 1980-05-30 1981-12-24 Mochida Pharmaceut Co Ltd Generating method of ultrasonic pulse wave
US4369455A (en) * 1980-12-08 1983-01-18 Hewlett-Packard Company Ink jet printer drive pulse for elimination of multiple ink droplet ejection

Also Published As

Publication number Publication date
IT8420579A0 (it) 1984-04-17
JPH051909B2 (it) 1993-01-11
IT1176073B (it) 1987-08-12
FR2544868A1 (fr) 1984-10-26
DE3414423A1 (de) 1984-10-25
SE8402020L (sv) 1984-10-22
GB2138563A (en) 1984-10-24
JPS59206790A (ja) 1984-11-22
SE8402020D0 (sv) 1984-04-11
SE459769B (sv) 1989-07-31
GB8409932D0 (en) 1984-05-31
FR2544868B1 (fr) 1987-07-17
GB2138563B (en) 1986-10-08
US4597068A (en) 1986-06-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960424