GB964589A - - Google Patents

Info

Publication number
GB964589A
GB964589A GB12516/61A GB1251661A GB964589A GB 964589 A GB964589 A GB 964589A GB 12516/61 A GB12516/61 A GB 12516/61A GB 1251661 A GB1251661 A GB 1251661A GB 964589 A GB964589 A GB 964589A
Authority
GB
United Kingdom
Prior art keywords
conductivity
piezo
electric
attenuation
april
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
GB12516/61A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 US20572A external-priority patent/US3091707A/en
Priority claimed from US22015A external-priority patent/US3093758A/en
Priority claimed from US23441A external-priority patent/US3145354A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB964589A publication Critical patent/GB964589A/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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/34—Amplitude modulation by means of light-sensitive element
    • 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
    • H03H9/38—Time-delay networks with adjustable delay time
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB12516/61A 1960-04-07 1961-04-07 Expired GB964589A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20572A US3091707A (en) 1960-04-07 1960-04-07 Piezoelectric devices utilizing zinc oxide
US22015A US3093758A (en) 1960-04-13 1960-04-13 Piezoelectric devices utilizing cadmium sulfide
US23441A US3145354A (en) 1960-04-20 1960-04-20 Circuit element

Publications (1)

Publication Number Publication Date
GB964589A true GB964589A (enrdf_load_stackoverflow) 1964-07-22

Family

ID=30449223

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1706/61A Expired GB959293A (en) 1960-04-07 1961-01-16 Improvements in or relating to piezoelectric devices
GB12515/61A Expired GB958690A (en) 1960-04-07 1961-04-07 Improvements in or relating to piezoelectric devices
GB12516/61A Expired GB964589A (enrdf_load_stackoverflow) 1960-04-07 1961-04-07

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB1706/61A Expired GB959293A (en) 1960-04-07 1961-01-16 Improvements in or relating to piezoelectric devices
GB12515/61A Expired GB958690A (en) 1960-04-07 1961-04-07 Improvements in or relating to piezoelectric devices

Country Status (6)

Country Link
CH (1) CH390596A (enrdf_load_stackoverflow)
DE (3) DE1616607B1 (enrdf_load_stackoverflow)
DK (1) DK114563B (enrdf_load_stackoverflow)
FR (1) FR1286476A (enrdf_load_stackoverflow)
GB (3) GB959293A (enrdf_load_stackoverflow)
NL (1) NL263351A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393444A (en) * 1992-09-08 1995-02-28 Ngk Insulators, Ltd. Piezoelectric semiconductor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB311055A (en) * 1928-03-29 1929-05-09 Paul Freedman Improvements in or relating to piezo-electric substances
US2711515A (en) * 1950-09-29 1955-06-21 Bell Telephone Labor Inc Delay line
US2712638A (en) * 1951-09-18 1955-07-05 David L Arenberg Single-crystal ultrasonic solid delay lines using multiple reflections
US2814793A (en) * 1955-04-05 1957-11-26 Sperry Rand Corp Variable delay line
US2818548A (en) * 1955-10-19 1957-12-31 Rca Corp Phase modulating device

Also Published As

Publication number Publication date
GB959293A (en) 1964-05-27
DE1616607B1 (de) 1970-03-26
NL263351A (enrdf_load_stackoverflow) 1900-01-01
FR1286476A (fr) 1962-03-02
CH390596A (de) 1965-04-15
DK114563B (da) 1969-07-14
DE1616606B1 (de) 1970-04-30
GB958690A (en) 1964-05-21
DE1257998B (de) 1968-01-04

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