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AU461767B2 - Improvements in quartz crystals - Google Patents
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AU461767B2 - Improvements in quartz crystals - Google Patents

Improvements in quartz crystals

Info

Publication number
AU461767B2
AU461767B2 AU42283/72A AU4228372A AU461767B2 AU 461767 B2 AU461767 B2 AU 461767B2 AU 42283/72 A AU42283/72 A AU 42283/72A AU 4228372 A AU4228372 A AU 4228372A AU 461767 B2 AU461767 B2 AU 461767B2
Authority
AU
Australia
Prior art keywords
quartz crystals
quartz
crystals
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
AU42283/72A
Other versions
AU4228372A (en
Inventor
Ashlan Barraclough John
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia Ltd
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 Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Priority to AU42283/72A priority Critical patent/AU461767B2/en
Publication of AU4228372A publication Critical patent/AU4228372A/en
Application granted granted Critical
Publication of AU461767B2 publication Critical patent/AU461767B2/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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/04—Constructional details for maintaining temperature constant

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
AU42283/72A 1971-06-15 1971-06-15 Improvements in quartz crystals Expired AU461767B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42283/72A AU461767B2 (en) 1971-06-15 1971-06-15 Improvements in quartz crystals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU42283/72A AU461767B2 (en) 1971-06-15 1971-06-15 Improvements in quartz crystals

Publications (2)

Publication Number Publication Date
AU4228372A AU4228372A (en) 1973-11-22
AU461767B2 true AU461767B2 (en) 1975-06-05

Family

ID=3729527

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42283/72A Expired AU461767B2 (en) 1971-06-15 1971-06-15 Improvements in quartz crystals

Country Status (1)

Country Link
AU (1) AU461767B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484734A1 (en) * 1980-06-13 1981-12-18 Cepe Piezoelectric resonator for thermostatic control - has components for temp. stabilisation circuit using quartz or lithium tantalate plate mounted on solid ring
FR2587857A1 (en) * 1985-09-24 1987-03-27 Centre Nat Rech Scient OSCILLATOR THERMOSTATE MINIATURE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484734A1 (en) * 1980-06-13 1981-12-18 Cepe Piezoelectric resonator for thermostatic control - has components for temp. stabilisation circuit using quartz or lithium tantalate plate mounted on solid ring
FR2587857A1 (en) * 1985-09-24 1987-03-27 Centre Nat Rech Scient OSCILLATOR THERMOSTATE MINIATURE
EP0217713A1 (en) * 1985-09-24 1987-04-08 Centre National De La Recherche Scientifique (Cnrs) Miniature oscillator including a thermostat

Also Published As

Publication number Publication date
AU4228372A (en) 1973-11-22

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