GB511609A - Electric circuits employing mechanical vibrating elements - Google Patents

Electric circuits employing mechanical vibrating elements

Info

Publication number
GB511609A
GB511609A GB8416/38A GB841638A GB511609A GB 511609 A GB511609 A GB 511609A GB 8416/38 A GB8416/38 A GB 8416/38A GB 841638 A GB841638 A GB 841638A GB 511609 A GB511609 A GB 511609A
Authority
GB
United Kingdom
Prior art keywords
electric circuits
vibrating elements
circuits employing
employing mechanical
mechanical vibrating
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
GB8416/38A
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 GB511609A publication Critical patent/GB511609A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/075—Ladder networks, e.g. electric wave filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0095—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using bulk acoustic wave devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
GB8416/38A 1937-11-06 1938-03-18 Electric circuits employing mechanical vibrating elements Expired GB511609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49372T 1937-11-06

Publications (1)

Publication Number Publication Date
GB511609A true GB511609A (en) 1939-08-22

Family

ID=8684557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8416/38A Expired GB511609A (en) 1937-11-06 1938-03-18 Electric circuits employing mechanical vibrating elements

Country Status (3)

Country Link
BE (1) BE427664A (enrdf_load_stackoverflow)
FR (2) FR831891A (enrdf_load_stackoverflow)
GB (1) GB511609A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2001658C2 (nl) * 2008-06-09 2009-12-10 Univ Delft Tech Passief RF-filter.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2001658C2 (nl) * 2008-06-09 2009-12-10 Univ Delft Tech Passief RF-filter.

Also Published As

Publication number Publication date
BE427664A (enrdf_load_stackoverflow)
FR831891A (fr) 1938-09-15
FR49372E (fr) 1939-03-24

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