GB1252947A - - Google Patents

Info

Publication number
GB1252947A
GB1252947A GB1252947DA GB1252947A GB 1252947 A GB1252947 A GB 1252947A GB 1252947D A GB1252947D A GB 1252947DA GB 1252947 A GB1252947 A GB 1252947A
Authority
GB
United Kingdom
Prior art keywords
block
delay
delay lines
blades
contacts
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
Other languages
English (en)
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 filed Critical
Publication of GB1252947A publication Critical patent/GB1252947A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Lasers (AREA)
GB1252947D 1968-06-13 1969-06-13 Expired GB1252947A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73667568A 1968-06-13 1968-06-13
US76319968A 1968-09-27 1968-09-27

Publications (1)

Publication Number Publication Date
GB1252947A true GB1252947A (ja) 1971-11-10

Family

ID=27113080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252947D Expired GB1252947A (ja) 1968-06-13 1969-06-13

Country Status (8)

Country Link
US (1) US3581247A (ja)
BE (1) BE734562A (ja)
DE (1) DE1928004C3 (ja)
FR (1) FR2010804A1 (ja)
GB (1) GB1252947A (ja)
HK (1) HK9077A (ja)
NL (1) NL6909030A (ja)
SE (1) SE366439B (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932538U (ja) * 1972-06-22 1974-03-22
JPS4940340U (ja) * 1972-07-17 1974-04-09
JPS4942262A (ja) * 1972-08-29 1974-04-20
JPS4947055A (ja) * 1972-09-12 1974-05-07
JPS4962058A (ja) * 1972-10-18 1974-06-15
JPS4969252A (ja) * 1972-11-09 1974-07-04
JPS4983348A (ja) * 1972-12-15 1974-08-10
JPS5441642Y2 (ja) * 1973-04-12 1979-12-05
JPS51105252A (en) * 1975-03-13 1976-09-17 Asahi Glass Co Ltd Choonpakotaichensen oyobi sonoseizoho
JPS5394050U (ja) * 1976-12-29 1978-08-01
US4467295A (en) * 1981-11-25 1984-08-21 Showa Electric Wire & Cable Co., Ltd. Solid ultrasonic delay line
DE3435483A1 (de) * 1984-09-27 1986-04-10 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Ultraschall-verzoegerungsleitung
NL8501201A (nl) * 1985-04-26 1986-11-17 Philips Nv Werkwijze voor het vervaardigen van magneetkopkernen.
US4684906A (en) * 1985-06-14 1987-08-04 Showa Electric Wire & Cable Co., Ltd. Solid ultrasonic delay line
JPH0614503Y2 (ja) * 1989-09-08 1994-04-13 旭硝子株式会社 超音波遅延線の調整回路およびそれを内蔵した超音波遅延線素子
US5173667A (en) * 1991-02-19 1992-12-22 Ford Motor Company Acoustic wave transmission media delay line having internally disposed absorber channels
GB2431991A (en) 2005-11-04 2007-05-09 Imp College Innovations Ltd Waveguide for ultrasonic non-destructive testing
AU2013200063B2 (en) * 2005-11-04 2014-02-13 Permasense Limited Ultrasonic non-destructive testing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA617663A (en) * 1961-04-04 Motorola Filter construction
US2505515A (en) * 1946-04-02 1950-04-25 Us Sec War Compressional wave delay means
US2672590A (en) * 1950-03-22 1954-03-16 Bell Telephone Labor Inc Delay line
US2711515A (en) * 1950-09-29 1955-06-21 Bell Telephone Labor Inc Delay line
US2781494A (en) * 1953-03-18 1957-02-12 Lab For Electronics Inc Ultrasonic delay lines
US2826744A (en) * 1953-05-20 1958-03-11 David L Arenberg Multiple mode prism delay line
US2864013A (en) * 1953-06-29 1958-12-09 Electro Voice Sensitive strain responsive transducer and method of construction
US2752662A (en) * 1954-12-27 1956-07-03 Erie Resistor Corp Method of making thin flat electroded ceramic elements
GB823846A (en) * 1955-10-20 1959-11-18 Vivian Joseph Hammond Improvements in or relating to ultrasonic delay lines
US3025479A (en) * 1959-06-01 1962-03-13 Bliley Electric Company Long ultrasonic delay line
NL295653A (ja) * 1962-08-15
US3470394A (en) * 1967-11-09 1969-09-30 Us Navy Double serrated crystal transducer

Also Published As

Publication number Publication date
DE1928004B2 (de) 1978-03-16
DE1928004C3 (de) 1985-04-18
FR2010804A1 (ja) 1970-02-20
US3581247A (en) 1971-05-25
BE734562A (ja) 1969-11-17
NL6909030A (ja) 1969-12-16
SE366439B (ja) 1974-04-22
HK9077A (en) 1977-02-25
DE1928004A1 (de) 1970-01-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years