GB529352A - Arrangements employing electromechanical vibrating devices - Google Patents

Arrangements employing electromechanical vibrating devices

Info

Publication number
GB529352A
GB529352A GB15917/39A GB1591739A GB529352A GB 529352 A GB529352 A GB 529352A GB 15917/39 A GB15917/39 A GB 15917/39A GB 1591739 A GB1591739 A GB 1591739A GB 529352 A GB529352 A GB 529352A
Authority
GB
United Kingdom
Prior art keywords
elements
parts
crystal
quartz
shielding
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
GB15917/39A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB529352A publication Critical patent/GB529352A/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0064—Earth or grounding circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB15917/39A 1938-06-11 1939-05-30 Arrangements employing electromechanical vibrating devices Expired GB529352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR529352X 1938-06-11

Publications (1)

Publication Number Publication Date
GB529352A true GB529352A (en) 1940-11-19

Family

ID=8922685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15917/39A Expired GB529352A (en) 1938-06-11 1939-05-30 Arrangements employing electromechanical vibrating devices

Country Status (2)

Country Link
GB (1) GB529352A (pm)
NL (2) NL57786C (pm)

Also Published As

Publication number Publication date
NL57786C (pm)
NL93649B (pm)

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