BE637828A - - Google Patents

Info

Publication number
BE637828A
BE637828A BE637828DA BE637828A BE 637828 A BE637828 A BE 637828A BE 637828D A BE637828D A BE 637828DA BE 637828 A BE637828 A BE 637828A
Authority
BE
Belgium
Application number
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.)
Publication of BE637828A publication Critical patent/BE637828A/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
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0311—Compounds
    • H01F1/0313—Oxidic compounds
    • H01F1/0315—Ferrites
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/133—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials for electromechanical delay lines or filters
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Gyroscopes (AREA)
BE637828D 1962-09-26 BE637828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US226381A US3307120A (en) 1962-09-26 1962-09-26 Ultrasonic wave device

Publications (1)

Publication Number Publication Date
BE637828A true BE637828A (en)

Family

ID=22848690

Family Applications (1)

Application Number Title Priority Date Filing Date
BE637828D BE637828A (en) 1962-09-26

Country Status (4)

Country Link
US (1) US3307120A (en)
BE (1) BE637828A (en)
GB (1) GB1062187A (en)
NL (1) NL297704A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400340A (en) * 1964-08-04 1968-09-03 Bell Telephone Labor Inc Ultrasonic wave transmission devices
NL143392B (en) * 1965-04-17 1974-09-16 Philips Nv ULTRASONIC DELAYER.
US3504307A (en) * 1966-07-06 1970-03-31 Kennecott Copper Corp Thin sample ultrasonic delay line
US3428144A (en) * 1966-07-07 1969-02-18 Bell Telephone Labor Inc Elastic wave elements
US3526856A (en) * 1968-09-24 1970-09-01 Hazeltine Research Inc Electromagnetic coupling apparatus
US3530409A (en) * 1968-09-24 1970-09-22 Hazeltine Research Inc Two-port magnetoelastic delay line
NL153046B (en) * 1968-11-09 1977-04-15 Philips Nv ULTRASONIC DELAY LINE.
US3618134A (en) * 1970-01-12 1971-11-02 Sperry Rand Corp High-frequency ferrimagnetic delay device
BE758284A (en) * 1970-03-26 1971-04-01 Chu Associates SIGNAL PROCESSING PROCESS AND APPARATUS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571019A (en) * 1948-04-30 1951-10-09 Rca Corp Electrical coupling system for magnetostrictive elements
US2718637A (en) * 1951-07-27 1955-09-20 Rca Corp Radar moving target indication system
US2712638A (en) * 1951-09-18 1955-07-05 David L Arenberg Single-crystal ultrasonic solid delay lines using multiple reflections
US3037174A (en) * 1958-12-31 1962-05-29 Bell Telephone Labor Inc Microwave ultrasonic delay line
US3098204A (en) * 1961-04-24 1963-07-16 Joseph B Brauer Microwave delay line and method of fabrication

Also Published As

Publication number Publication date
US3307120A (en) 1967-02-28
NL297704A (en)
GB1062187A (en) 1967-03-15

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