FR49372E - Circuits électriques utilisant des éléments mécaniques vibrants - Google Patents

Circuits électriques utilisant des éléments mécaniques vibrants

Info

Publication number
FR49372E
FR49372E FR49372DA FR49372E FR 49372 E FR49372 E FR 49372E FR 49372D A FR49372D A FR 49372DA FR 49372 E FR49372 E FR 49372E
Authority
FR
France
Prior art keywords
electrical circuits
mechanical elements
vibrating mechanical
vibrating
elements
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)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR49372E publication Critical patent/FR49372E/fr
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)
FR49372D 1937-11-06 1937-11-06 Circuits électriques utilisant des éléments mécaniques vibrants Expired FR49372E (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR49372E true FR49372E (fr) 1939-03-24

Family

ID=8684557

Family Applications (2)

Application Number Title Priority Date Filing Date
FR831891D Expired FR831891A (fr) 1937-11-06 1937-04-21 Circuits électriques utilisant des éléments électriques vibrants
FR49372D Expired FR49372E (fr) 1937-11-06 1937-11-06 Circuits électriques utilisant des éléments mécaniques vibrants

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR831891D Expired FR831891A (fr) 1937-11-06 1937-04-21 Circuits électriques utilisant des éléments électriques vibrants

Country Status (3)

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

Families Citing this family (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
GB511609A (en) 1939-08-22
FR831891A (fr) 1938-09-15
BE427664A (fr)

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