AU4757172A - Ultrasonic delay line - Google Patents

Ultrasonic delay line

Info

Publication number
AU4757172A
AU4757172A AU47571/72A AU4757172A AU4757172A AU 4757172 A AU4757172 A AU 4757172A AU 47571/72 A AU47571/72 A AU 47571/72A AU 4757172 A AU4757172 A AU 4757172A AU 4757172 A AU4757172 A AU 4757172A
Authority
AU
Australia
Prior art keywords
delay line
ultrasonic delay
ultrasonic
line
delay
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
AU47571/72A
Other versions
AU450723B2 (en
Inventor
TAKASHIIGUCHI MASAGAKI MIKOTA and ISAO UENO YOHO KASAHARA
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP3284971A external-priority patent/JPS5211549B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU4757172A publication Critical patent/AU4757172A/en
Application granted granted Critical
Publication of AU450723B2 publication Critical patent/AU450723B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AU47571/72A 1971-05-14 1972-10-10 Ultrasonic delay line Expired AU450723B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3284971A JPS5211549B1 (en) 1971-05-14 1971-05-14
JP47023371A JPS4890647A (en) 1971-05-14 1972-03-06

Publications (2)

Publication Number Publication Date
AU4757172A true AU4757172A (en) 1974-05-23
AU450723B2 AU450723B2 (en) 1974-07-18

Family

ID=26360725

Family Applications (2)

Application Number Title Priority Date Filing Date
AU42016/72A Expired AU444943B2 (en) 1971-05-14 1972-05-08 Ultrasonic delay line
AU47571/72A Expired AU450723B2 (en) 1971-05-14 1972-10-10 Ultrasonic delay line

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU42016/72A Expired AU444943B2 (en) 1971-05-14 1972-05-08 Ultrasonic delay line

Country Status (8)

Country Link
US (1) US3798577A (en)
JP (1) JPS4890647A (en)
AU (2) AU444943B2 (en)
CA (2) CA954597A (en)
DE (2) DE2223400B2 (en)
FR (2) FR2139419A5 (en)
GB (2) GB1382703A (en)
NL (2) NL7206138A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873946A (en) * 1973-10-04 1975-03-25 Hughes Aircraft Co Acoustic surface wave tapped delay line
JPS5710516A (en) * 1980-06-23 1982-01-20 Matsushita Electric Ind Co Ltd Comb type filter
JPS61244112A (en) * 1985-04-23 1986-10-30 Asahi Glass Co Ltd Ultrasonic delay line
US5173667A (en) * 1991-02-19 1992-12-22 Ford Motor Company Acoustic wave transmission media delay line having internally disposed absorber channels

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859415A (en) * 1952-09-03 1958-11-04 Bell Telephone Labor Inc Ultrasonic acoustic wave transmission delay lines
US2839731A (en) * 1953-01-14 1958-06-17 Bell Telephone Labor Inc Multi-facet ultrasonic delay line
GB748438A (en) * 1953-11-30 1956-05-02 Marconi Wireless Telegraph Co Improvements in or relating to ultrasonic delay devices
US3131459A (en) * 1959-11-09 1964-05-05 Corning Glass Works Method of bonding absorbing material to a delay line
US3247473A (en) * 1959-11-09 1966-04-19 Corning Glass Works Cold diffusion bond between acoustic delay line and back electrode or acoustic absorber
NL295653A (en) * 1962-08-15
FR1559651A (en) * 1967-11-15 1969-03-14
GB1171261A (en) * 1968-02-16 1969-11-19 Mullard Ltd Improved Ultra-Sonic Delay Line
JPS5145217B1 (en) * 1969-12-06 1976-12-02

Also Published As

Publication number Publication date
FR2139419A5 (en) 1973-01-05
AU4201672A (en) 1973-11-15
AU450723B2 (en) 1974-07-18
DE2223400B2 (en) 1974-09-26
CA954597A (en) 1974-09-10
US3798577A (en) 1974-03-19
NL7210669A (en) 1973-09-10
FR2175379A5 (en) 1973-10-19
DE2240406B2 (en) 1975-02-20
CA958085A (en) 1974-11-19
DE2223400A1 (en) 1973-01-18
JPS4890647A (en) 1973-11-26
DE2223400C3 (en) 1975-04-30
NL7206138A (en) 1972-11-16
DE2240406A1 (en) 1973-09-20
GB1382703A (en) 1975-02-05
GB1409766A (en) 1975-10-15
AU444943B2 (en) 1974-02-07

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