SE459769B - Akustisk avstaandsmaetare - Google Patents

Akustisk avstaandsmaetare

Info

Publication number
SE459769B
SE459769B SE8402020A SE8402020A SE459769B SE 459769 B SE459769 B SE 459769B SE 8402020 A SE8402020 A SE 8402020A SE 8402020 A SE8402020 A SE 8402020A SE 459769 B SE459769 B SE 459769B
Authority
SE
Sweden
Prior art keywords
resonant circuit
terminal
ota2
ota1
circuit
Prior art date
Application number
SE8402020A
Other languages
English (en)
Swedish (sv)
Other versions
SE8402020L (sv
SE8402020D0 (sv
Inventor
G L Miller
Original Assignee
American Telephone & Telegraph
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 filed Critical American Telephone & Telegraph
Publication of SE8402020D0 publication Critical patent/SE8402020D0/xx
Publication of SE8402020L publication Critical patent/SE8402020L/xx
Publication of SE459769B publication Critical patent/SE459769B/sv

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)
SE8402020A 1983-04-21 1984-04-11 Akustisk avstaandsmaetare SE459769B (sv)

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
SE8402020D0 SE8402020D0 (sv) 1984-04-11
SE8402020L SE8402020L (sv) 1984-10-22
SE459769B true SE459769B (sv) 1989-07-31

Family

ID=23934627

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8402020A SE459769B (sv) 1983-04-21 1984-04-11 Akustisk avstaandsmaetare

Country Status (7)

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

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 (zh) * 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 (zh) * 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
FR2544868A1 (fr) 1984-10-26
IT8420579A1 (it) 1985-10-17
JPH051909B2 (zh) 1993-01-11
GB8409932D0 (en) 1984-05-31
SE8402020L (sv) 1984-10-22
IT8420579A0 (it) 1984-04-17
GB2138563A (en) 1984-10-24
US4597068A (en) 1986-06-24
SE8402020D0 (sv) 1984-04-11
IT1176073B (it) 1987-08-12
DE3414423A1 (de) 1984-10-25
GB2138563B (en) 1986-10-08
FR2544868B1 (fr) 1987-07-17
JPS59206790A (ja) 1984-11-22

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