NL7210669A - - Google Patents

Info

Publication number
NL7210669A
NL7210669A NL7210669A NL7210669A NL7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A
Authority
NL
Netherlands
Application number
NL7210669A
Inventor
Yukio Kasahara
Takashi Iguchi
Masanari Mikoda
Isao Ueno
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL7210669A publication Critical patent/NL7210669A/xx

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)
NL7210669A 1971-05-14 1972-08-03 NL7210669A (ja)

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
NL7210669A true NL7210669A (ja) 1973-09-10

Family

ID=26360725

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7206138A NL7206138A (ja) 1971-05-14 1972-05-05
NL7210669A NL7210669A (ja) 1971-05-14 1972-08-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL7206138A NL7206138A (ja) 1971-05-14 1972-05-05

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

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 (ja) * 1962-08-15
FR1559651A (ja) * 1967-11-15 1969-03-14
GB1171261A (en) * 1968-02-16 1969-11-19 Mullard Ltd Improved Ultra-Sonic Delay Line
JPS5145217B1 (ja) * 1969-12-06 1976-12-02

Also Published As

Publication number Publication date
FR2139419A5 (ja) 1973-01-05
AU4201672A (en) 1973-11-15
AU450723B2 (en) 1974-07-18
DE2223400B2 (de) 1974-09-26
CA954597A (en) 1974-09-10
US3798577A (en) 1974-03-19
FR2175379A5 (ja) 1973-10-19
DE2240406B2 (de) 1975-02-20
CA958085A (en) 1974-11-19
DE2223400A1 (de) 1973-01-18
JPS4890647A (ja) 1973-11-26
DE2223400C3 (ja) 1975-04-30
NL7206138A (ja) 1972-11-16
DE2240406A1 (de) 1973-09-20
GB1382703A (en) 1975-02-05
GB1409766A (en) 1975-10-15
AU4757172A (en) 1974-05-23
AU444943B2 (en) 1974-02-07

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Legal Events

Date Code Title Description
BN A decision not to publish the application has become irrevocable