JPS625300B2 - - Google Patents

Info

Publication number
JPS625300B2
JPS625300B2 JP54028763A JP2876379A JPS625300B2 JP S625300 B2 JPS625300 B2 JP S625300B2 JP 54028763 A JP54028763 A JP 54028763A JP 2876379 A JP2876379 A JP 2876379A JP S625300 B2 JPS625300 B2 JP S625300B2
Authority
JP
Japan
Prior art keywords
ultrasonic
ultrasonic element
frequency
circuit
feedback loop
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.)
Expired
Application number
JP54028763A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55122174A (en
Inventor
Shiro Shirai
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.)
SEKOMU KK
Original Assignee
SEKOMU 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 SEKOMU KK filed Critical SEKOMU KK
Priority to JP2876379A priority Critical patent/JPS55122174A/ja
Publication of JPS55122174A publication Critical patent/JPS55122174A/ja
Publication of JPS625300B2 publication Critical patent/JPS625300B2/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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2876379A 1979-03-14 1979-03-14 Ultrasonic oscillator and ultrasonic sensor Granted JPS55122174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2876379A JPS55122174A (en) 1979-03-14 1979-03-14 Ultrasonic oscillator and ultrasonic sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2876379A JPS55122174A (en) 1979-03-14 1979-03-14 Ultrasonic oscillator and ultrasonic sensor

Publications (2)

Publication Number Publication Date
JPS55122174A JPS55122174A (en) 1980-09-19
JPS625300B2 true JPS625300B2 (enrdf_load_html_response) 1987-02-04

Family

ID=12257437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2876379A Granted JPS55122174A (en) 1979-03-14 1979-03-14 Ultrasonic oscillator and ultrasonic sensor

Country Status (1)

Country Link
JP (1) JPS55122174A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204479A (en) * 1981-06-12 1982-12-15 Fujitsu Ltd Ultrasonic transmitting and receiving device
JP4319402B2 (ja) * 2002-12-24 2009-08-26 有限会社ツツイ電子 超音波測長装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952388B2 (ja) * 1976-01-16 1984-12-19 オムロン株式会社 物体検知装置

Also Published As

Publication number Publication date
JPS55122174A (en) 1980-09-19

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