GB337050A - Improvements in or relating to high frequency electrical systems employing piezo-electric devices - Google Patents

Improvements in or relating to high frequency electrical systems employing piezo-electric devices

Info

Publication number
GB337050A
GB337050A GB23062/29A GB2306229A GB337050A GB 337050 A GB337050 A GB 337050A GB 23062/29 A GB23062/29 A GB 23062/29A GB 2306229 A GB2306229 A GB 2306229A GB 337050 A GB337050 A GB 337050A
Authority
GB
United Kingdom
Prior art keywords
crystal
piezo
relating
high frequency
electric devices
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
GB23062/29A
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.)
Individual
Original Assignee
Individual
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 to BE371909D priority Critical patent/BE371909A/xx
Application filed by Individual filed Critical Individual
Priority to GB23062/29A priority patent/GB337050A/en
Priority to US460054A priority patent/US1898895A/en
Publication of GB337050A publication Critical patent/GB337050A/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
    • H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB23062/29A 1929-07-26 1929-07-26 Improvements in or relating to high frequency electrical systems employing piezo-electric devices Expired GB337050A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE371909D BE371909A (OSRAM) 1929-07-26
GB23062/29A GB337050A (en) 1929-07-26 1929-07-26 Improvements in or relating to high frequency electrical systems employing piezo-electric devices
US460054A US1898895A (en) 1929-07-26 1930-06-09 Electrical apparatus employing piezo-electric devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23062/29A GB337050A (en) 1929-07-26 1929-07-26 Improvements in or relating to high frequency electrical systems employing piezo-electric devices

Publications (1)

Publication Number Publication Date
GB337050A true GB337050A (en) 1930-10-27

Family

ID=10189489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23062/29A Expired GB337050A (en) 1929-07-26 1929-07-26 Improvements in or relating to high frequency electrical systems employing piezo-electric devices

Country Status (3)

Country Link
US (1) US1898895A (OSRAM)
BE (1) BE371909A (OSRAM)
GB (1) GB337050A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524851A (en) * 1943-06-24 1950-10-10 Edwin K Stodola Radio receiver with pulse sharpening system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524851A (en) * 1943-06-24 1950-10-10 Edwin K Stodola Radio receiver with pulse sharpening system

Also Published As

Publication number Publication date
US1898895A (en) 1933-02-21
BE371909A (OSRAM)

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