JPS4890647A - - Google Patents

Info

Publication number
JPS4890647A
JPS4890647A JP47023371A JP2337172A JPS4890647A JP S4890647 A JPS4890647 A JP S4890647A JP 47023371 A JP47023371 A JP 47023371A JP 2337172 A JP2337172 A JP 2337172A JP S4890647 A JPS4890647 A JP S4890647A
Authority
JP
Japan
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.)
Pending
Application number
JP47023371A
Inventor
Yukio Kasahara
Takashi Iguchi
Masanari Mikoda
Isao Ueno
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
Priority to JP47023371A priority Critical patent/JPS4890647A/ja
Priority to NL7206138A priority patent/NL7206138A/xx
Priority to AU42016/72A priority patent/AU444943B2/en
Priority to FR7216782A priority patent/FR2139419A5/fr
Priority to DE2223400A priority patent/DE2223400B2/de
Priority to US00253116A priority patent/US3798577A/en
Priority to CA142,097A priority patent/CA958085A/en
Priority to CA142,099A priority patent/CA954597A/en
Priority to GB2273372A priority patent/GB1382703A/en
Priority to NL7210669A priority patent/NL7210669A/xx
Priority to DE2240406A priority patent/DE2240406B2/de
Priority to FR7230806A priority patent/FR2175379A5/fr
Priority to AU47571/72A priority patent/AU450723B2/en
Priority to GB460873A priority patent/GB1409766A/en
Publication of JPS4890647A publication Critical patent/JPS4890647A/ja
Pending 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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Compositions Of Oxide Ceramics (AREA)
JP47023371A 1971-05-14 1972-03-06 Pending JPS4890647A (ja)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP47023371A JPS4890647A (ja) 1971-05-14 1972-03-06
NL7206138A NL7206138A (ja) 1971-05-14 1972-05-05
AU42016/72A AU444943B2 (en) 1971-05-14 1972-05-08 Ultrasonic delay line
FR7216782A FR2139419A5 (ja) 1971-05-14 1972-05-10
DE2223400A DE2223400B2 (de) 1971-05-14 1972-05-10 Ultraschall-Verzögerungsleitung
GB2273372A GB1382703A (en) 1971-05-14 1972-05-15 Delay lines
CA142,097A CA958085A (en) 1971-05-14 1972-05-15 Ultrasonic delay line
US00253116A US3798577A (en) 1971-05-14 1972-05-15 Ultrasonic delay line
CA142,099A CA954597A (en) 1971-05-14 1972-05-15 Ultrasonic delay line
NL7210669A NL7210669A (ja) 1971-05-14 1972-08-03
DE2240406A DE2240406B2 (de) 1971-05-14 1972-08-14 Ultraschall-Verzögerungsleitung
FR7230806A FR2175379A5 (ja) 1971-05-14 1972-08-30
AU47571/72A AU450723B2 (en) 1971-05-14 1972-10-10 Ultrasonic delay line
GB460873A GB1409766A (en) 1971-05-14 1973-01-30 Ultrasonic delay line

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
JPS4890647A true JPS4890647A (ja) 1973-11-26

Family

ID=26360725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47023371A Pending JPS4890647A (ja) 1971-05-14 1972-03-06

Country Status (8)

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

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 (ja) * 1985-04-23 1986-10-30 Asahi Glass Co Ltd 超音波遅延線
US5173667A (en) * 1991-02-19 1992-12-22 Ford Motor Company Acoustic wave transmission media delay line having internally disposed absorber channels

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748438A (en) * 1953-11-30 1956-05-02 Marconi Wireless Telegraph Co Improvements in or relating to ultrasonic delay devices
DE1806909A1 (de) * 1967-11-15 1969-06-19 Int Standard Electric Corp Verzoegerungsleitung fuer Ultraschallschwingungen

Family Cites Families (7)

* 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
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 (ja) * 1962-08-15
GB1171261A (en) * 1968-02-16 1969-11-19 Mullard Ltd Improved Ultra-Sonic Delay Line
JPS5145217B1 (ja) * 1969-12-06 1976-12-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748438A (en) * 1953-11-30 1956-05-02 Marconi Wireless Telegraph Co Improvements in or relating to ultrasonic delay devices
DE1806909A1 (de) * 1967-11-15 1969-06-19 Int Standard Electric Corp Verzoegerungsleitung fuer Ultraschallschwingungen

Also Published As

Publication number Publication date
GB1382703A (en) 1975-02-05
AU4201672A (en) 1973-11-15
DE2240406A1 (de) 1973-09-20
FR2139419A5 (ja) 1973-01-05
DE2223400A1 (de) 1973-01-18
DE2223400C3 (ja) 1975-04-30
GB1409766A (en) 1975-10-15
NL7210669A (ja) 1973-09-10
FR2175379A5 (ja) 1973-10-19
CA958085A (en) 1974-11-19
AU444943B2 (en) 1974-02-07
DE2240406B2 (de) 1975-02-20
NL7206138A (ja) 1972-11-16
DE2223400B2 (de) 1974-09-26
AU4757172A (en) 1974-05-23
US3798577A (en) 1974-03-19
CA954597A (en) 1974-09-10
AU450723B2 (en) 1974-07-18

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