GB596012A - Piezoelectric frequency determining unit - Google Patents

Piezoelectric frequency determining unit

Info

Publication number
GB596012A
GB596012A GB17956/45A GB1795645A GB596012A GB 596012 A GB596012 A GB 596012A GB 17956/45 A GB17956/45 A GB 17956/45A GB 1795645 A GB1795645 A GB 1795645A GB 596012 A GB596012 A GB 596012A
Authority
GB
United Kingdom
Prior art keywords
crystal
cover
base
plates
contact
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
GB17956/45A
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 GB596012A publication Critical patent/GB596012A/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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB17956/45A 1944-07-20 1945-07-13 Piezoelectric frequency determining unit Expired GB596012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US545847A US2399908A (en) 1944-07-20 1944-07-20 Frequency determining unit

Publications (1)

Publication Number Publication Date
GB596012A true GB596012A (en) 1947-12-24

Family

ID=24177786

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17956/45A Expired GB596012A (en) 1944-07-20 1945-07-13 Piezoelectric frequency determining unit

Country Status (5)

Country Link
US (1) US2399908A (fr)
BE (1) BE460643A (fr)
CH (1) CH256673A (fr)
FR (1) FR926631A (fr)
GB (1) GB596012A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482451A (en) * 1945-06-07 1949-09-20 Reeves Hoffman Corp Piezoelectric crystal holder
US2497966A (en) * 1946-01-26 1950-02-21 Reeves Hoffman Corp Crystal holder
DE1766158B1 (de) * 1968-04-11 1972-05-25 Matsushita Electric Ind Co Ltd Piezoelektrische keramische resonatoreinheit

Also Published As

Publication number Publication date
BE460643A (fr)
US2399908A (en) 1946-05-07
FR926631A (fr) 1947-10-07
CH256673A (de) 1948-08-31

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