GB1428264A - Ultrasonic delay line - Google Patents

Ultrasonic delay line

Info

Publication number
GB1428264A
GB1428264A GB1660673A GB1660673A GB1428264A GB 1428264 A GB1428264 A GB 1428264A GB 1660673 A GB1660673 A GB 1660673A GB 1660673 A GB1660673 A GB 1660673A GB 1428264 A GB1428264 A GB 1428264A
Authority
GB
United Kingdom
Prior art keywords
elliptical
delay
transducers
delay line
transducer
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
GB1660673A
Other languages
English (en)
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.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric 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
Application filed by Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Publication of GB1428264A publication Critical patent/GB1428264A/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 elements; 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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB1660673A 1972-04-06 1973-04-06 Ultrasonic delay line Expired GB1428264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47033910A JPS48102948A (enrdf_load_stackoverflow) 1972-04-06 1972-04-06

Publications (1)

Publication Number Publication Date
GB1428264A true GB1428264A (en) 1976-03-17

Family

ID=12399656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1660673A Expired GB1428264A (en) 1972-04-06 1973-04-06 Ultrasonic delay line

Country Status (8)

Country Link
US (1) US3832655A (enrdf_load_stackoverflow)
JP (1) JPS48102948A (enrdf_load_stackoverflow)
BE (1) BE797913A (enrdf_load_stackoverflow)
BR (1) BR7302502D0 (enrdf_load_stackoverflow)
FR (1) FR2179190B1 (enrdf_load_stackoverflow)
GB (1) GB1428264A (enrdf_load_stackoverflow)
IT (1) IT982724B (enrdf_load_stackoverflow)
NL (1) NL7304705A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2239812B1 (enrdf_load_stackoverflow) * 1973-07-30 1976-06-18 Lignes Telegraph Telephon
US4467295A (en) * 1981-11-25 1984-08-21 Showa Electric Wire & Cable Co., Ltd. Solid ultrasonic delay line
US4475054A (en) * 1983-10-17 1984-10-02 Joseph Baumoel Metal transducer housing with focusing surface
US6310426B1 (en) * 1999-07-14 2001-10-30 Halliburton Energy Services, Inc. High resolution focused ultrasonic transducer, for LWD method of making and using same
US8865003B2 (en) * 2008-09-26 2014-10-21 Abbott Laboratories Apparatus and method for separation of particles suspended in a liquid from the liquid in which they are suspended

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2823355A (en) * 1950-05-17 1958-02-11 David L Arenberg Ultrasonic delay line
GB1069971A (en) * 1963-07-19 1967-05-24 Mullard Ltd Improvements in or relating to acoustic delay lines
US3317862A (en) * 1964-09-11 1967-05-02 Bell Telephone Labor Inc Off-axis elastic wave delay device with spherical reflections
FR1513518A (fr) * 1967-01-04 1968-02-16 Quartz & Silice Ligne à retard pour ultrasons permettant d'obtenir plusieurs retards prédéterminés
US3582834A (en) * 1968-04-10 1971-06-01 Westinghouse Electric Corp Microwave ultrasonic delay line

Also Published As

Publication number Publication date
FR2179190B1 (enrdf_load_stackoverflow) 1978-01-06
BR7302502D0 (pt) 1974-02-19
NL7304705A (enrdf_load_stackoverflow) 1973-10-09
JPS48102948A (enrdf_load_stackoverflow) 1973-12-24
IT982724B (it) 1974-10-21
FR2179190A1 (enrdf_load_stackoverflow) 1973-11-16
DE2317154A1 (de) 1973-10-25
US3832655A (en) 1974-08-27
DE2317154B2 (de) 1976-11-18
BE797913A (fr) 1973-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee