GB596503A - Piezoelectric frequency determining unit - Google Patents

Piezoelectric frequency determining unit

Info

Publication number
GB596503A
GB596503A GB19293/45A GB1929345A GB596503A GB 596503 A GB596503 A GB 596503A GB 19293/45 A GB19293/45 A GB 19293/45A GB 1929345 A GB1929345 A GB 1929345A GB 596503 A GB596503 A GB 596503A
Authority
GB
United Kingdom
Prior art keywords
crystal
contact springs
housing
determining unit
groove
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
GB19293/45A
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 GB596503A publication Critical patent/GB596503A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/28—Lighters characterised by electrical ignition of the fuel
    • F23Q2/285—Lighters characterised by electrical ignition of the fuel with spark ignition
    • F23Q2/287—Lighters characterised by electrical ignition of the fuel with spark ignition piezoelectric
    • 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
    • H03H9/09—Elastic or damping supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB19293/45A 1944-08-04 1945-07-27 Piezoelectric frequency determining unit Expired GB596503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US548109A US2399919A (en) 1944-08-04 1944-08-04 Frequency determining unit

Publications (1)

Publication Number Publication Date
GB596503A true GB596503A (en) 1948-01-06

Family

ID=24187443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19293/45A Expired GB596503A (en) 1944-08-04 1945-07-27 Piezoelectric frequency determining unit

Country Status (5)

Country Link
US (1) US2399919A (enrdf_load_stackoverflow)
BE (1) BE467153A (enrdf_load_stackoverflow)
CH (1) CH254658A (enrdf_load_stackoverflow)
FR (1) FR939135A (enrdf_load_stackoverflow)
GB (1) GB596503A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980911A (en) * 1974-02-11 1976-09-14 Cts Corporation Support structure and housing for piezoelectric crystal

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429414A (en) * 1945-08-21 1947-10-21 Walter E Kuenstler Crystal holder
US2497966A (en) * 1946-01-26 1950-02-21 Reeves Hoffman Corp Crystal holder
US2802955A (en) * 1953-05-04 1957-08-13 Donald M Kitterman Piezoelectric unit
US3656217A (en) * 1969-06-06 1972-04-18 Cts Corp Method of making piezoelectric crystal units

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980911A (en) * 1974-02-11 1976-09-14 Cts Corporation Support structure and housing for piezoelectric crystal

Also Published As

Publication number Publication date
US2399919A (en) 1946-05-07
BE467153A (enrdf_load_stackoverflow)
FR939135A (fr) 1948-11-04
CH254658A (de) 1948-05-15

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