JPS57569A - Sounding device - Google Patents

Sounding device

Info

Publication number
JPS57569A
JPS57569A JP7270880A JP7270880A JPS57569A JP S57569 A JPS57569 A JP S57569A JP 7270880 A JP7270880 A JP 7270880A JP 7270880 A JP7270880 A JP 7270880A JP S57569 A JPS57569 A JP S57569A
Authority
JP
Japan
Prior art keywords
pulse
circuit
window
revolution
time constant
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP7270880A
Other languages
English (en)
Other versions
JPS6151744B2 (ja
Inventor
Tetsuo Imazeki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEN RES ELECTRONICS Inc
GENERAL RES OBU EREKUTORONITSUKUSU KK
Original Assignee
GEN RES ELECTRONICS Inc
GENERAL RES OBU EREKUTORONITSUKUSU KK
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 GEN RES ELECTRONICS Inc, GENERAL RES OBU EREKUTORONITSUKUSU KK filed Critical GEN RES ELECTRONICS Inc
Priority to JP7270880A priority Critical patent/JPS57569A/ja
Publication of JPS57569A publication Critical patent/JPS57569A/ja
Publication of JPS6151744B2 publication Critical patent/JPS6151744B2/ja
Granted legal-status Critical Current

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
JP7270880A 1980-06-02 1980-06-02 Sounding device Granted JPS57569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7270880A JPS57569A (en) 1980-06-02 1980-06-02 Sounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7270880A JPS57569A (en) 1980-06-02 1980-06-02 Sounding device

Publications (2)

Publication Number Publication Date
JPS57569A true JPS57569A (en) 1982-01-05
JPS6151744B2 JPS6151744B2 (ja) 1986-11-10

Family

ID=13497114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7270880A Granted JPS57569A (en) 1980-06-02 1980-06-02 Sounding device

Country Status (1)

Country Link
JP (1) JPS57569A (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62195715A (ja) * 1986-02-24 1987-08-28 Hitachi Ltd 磁気ヘツドスライダ
JPS63142503A (ja) * 1986-12-04 1988-06-14 Toshiba Corp 磁気ヘツド
EP0353295A1 (en) * 1988-02-08 1990-02-07 Cytogen Corp ANTIBODIES FOR SPECIFIC BINDING TO CONNECTIONS.
US5233492A (en) * 1989-11-14 1993-08-03 Hitachi Metals, Ltd. Flying type composite magnetic head having Mn-Zn ferrite core
US5251083A (en) * 1989-05-29 1993-10-05 Hitachi, Ltd. Flying head slider and method of producing the same
US5383073A (en) * 1991-07-23 1995-01-17 Hitachi, Ltd. Magnetic head supporting apparatus having a fulcrum point of load support offset from a slider center in an air upstream direction
US5390059A (en) * 1989-06-01 1995-02-14 Hitachi, Ltd. Flying head slider supporting mechanism having active air pressure control
US5757573A (en) * 1991-05-23 1998-05-26 Hitachi, Ltd. Magnetic disk device without slider and having magnetic head mounted directly on magnetic head support
US5841608A (en) * 1994-08-30 1998-11-24 Fujitsu Limited Head slider with projections arranged on rails thereof
US6144529A (en) * 1997-03-25 2000-11-07 Tdk Corporation Slider with negative and positive pressure generating portions and head including the same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62195715A (ja) * 1986-02-24 1987-08-28 Hitachi Ltd 磁気ヘツドスライダ
JPS63142503A (ja) * 1986-12-04 1988-06-14 Toshiba Corp 磁気ヘツド
EP0353295A1 (en) * 1988-02-08 1990-02-07 Cytogen Corp ANTIBODIES FOR SPECIFIC BINDING TO CONNECTIONS.
EP0353295B1 (en) * 1988-02-08 1994-04-06 Cytogen Corporation Novel and improved antibodies for site specific attachment of compounds
US5251083A (en) * 1989-05-29 1993-10-05 Hitachi, Ltd. Flying head slider and method of producing the same
US5390059A (en) * 1989-06-01 1995-02-14 Hitachi, Ltd. Flying head slider supporting mechanism having active air pressure control
US5233492A (en) * 1989-11-14 1993-08-03 Hitachi Metals, Ltd. Flying type composite magnetic head having Mn-Zn ferrite core
US5757573A (en) * 1991-05-23 1998-05-26 Hitachi, Ltd. Magnetic disk device without slider and having magnetic head mounted directly on magnetic head support
US5383073A (en) * 1991-07-23 1995-01-17 Hitachi, Ltd. Magnetic head supporting apparatus having a fulcrum point of load support offset from a slider center in an air upstream direction
US5841608A (en) * 1994-08-30 1998-11-24 Fujitsu Limited Head slider with projections arranged on rails thereof
US6120694A (en) * 1994-08-30 2000-09-19 Fujitsu Limited Head slider with projecting arranged on rails thereof
US6246538B1 (en) * 1994-08-30 2001-06-12 Fujitsu Limited Magnetic disk drive with a floating head slider having projections arranged to float at a greater distance from magnetic disk than slider trailing end
US6144529A (en) * 1997-03-25 2000-11-07 Tdk Corporation Slider with negative and positive pressure generating portions and head including the same
US6317294B1 (en) 1997-03-25 2001-11-13 Tdk Corporation Slider with negative and multiple positive pressure generation portions and head including the same

Also Published As

Publication number Publication date
JPS6151744B2 (ja) 1986-11-10

Similar Documents

Publication Publication Date Title
JPS57569A (en) Sounding device
NO147322C (no) Hydroakustisk kilde for frembringelse av akustiske pulser i vann
JPS532982A (en) Ultrasonic image receiver operated by pulse echo method
AU526047B2 (en) Variable pattern-sequence pulse generator for ultrasonic pulses
JPS57131085A (en) Ultrasonic wave measuring system
JPS5784375A (en) Failure detector for supersonic device
SE7807333L (sv) Kopplingsanordning for alstring av periodiska pulser
JPS535884A (en) Ultrasonic image receiver operated by pulse echo method
JPS55114973A (en) Ultrasonic beam former
DK137408B (da) Apparat til undertrykning af støjimpulser i en impulsdopplerradars modtager.
JPS5576965A (en) Acoustic device for fish detector
JPS5341111A (en) Dial signal sending device
GB1394077A (en) Multiplexer interval detector
JPS5784378A (en) Method of measuring distance with supersonic wave in flowing fluid
SU661734A2 (ru) Устройство дл формировани серий импульсов
JPS5521668A (en) Tone detection system
JPS5766315A (en) Method for measuring flow rate by ultrasonic wave
JPS5222816A (en) Saw teeth wave generator
JPS531982A (en) Ultrasonic image receiver operated by pulse echo method
JPS5440600A (en) Ultrasonic vehicle sensor
JPS53141513A (en) Charging-pulse generating system
JPS53109462A (en) Arbitrary frequency generator
JPS5563722A (en) Ultrasonic-wave measuring device
JPS5460596A (en) Ultrasonic vehicle sensor
JPS56102883A (en) Ultrasonic holography apparatus