GB1442939A - Quartz crystal oscillator - Google Patents

Quartz crystal oscillator

Info

Publication number
GB1442939A
GB1442939A GB4009274A GB4009274A GB1442939A GB 1442939 A GB1442939 A GB 1442939A GB 4009274 A GB4009274 A GB 4009274A GB 4009274 A GB4009274 A GB 4009274A GB 1442939 A GB1442939 A GB 1442939A
Authority
GB
United Kingdom
Prior art keywords
resonator
terminals
sept
ring base
sealed
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
GB4009274A
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1442939A publication Critical patent/GB1442939A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063—Constructional details
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
GB4009274A 1973-09-14 1974-09-13 Quartz crystal oscillator Expired GB1442939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10326473A JPS57686B2 (US06168776-20010102-C00028.png) 1973-09-14 1973-09-14

Publications (1)

Publication Number Publication Date
GB1442939A true GB1442939A (en) 1976-07-14

Family

ID=14349563

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4009274A Expired GB1442939A (en) 1973-09-14 1974-09-13 Quartz crystal oscillator

Country Status (4)

Country Link
JP (1) JPS57686B2 (US06168776-20010102-C00028.png)
CH (2) CH1248474A4 (US06168776-20010102-C00028.png)
DE (1) DE2444200C3 (US06168776-20010102-C00028.png)
GB (1) GB1442939A (US06168776-20010102-C00028.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237470U (US06168776-20010102-C00028.png) * 1975-09-08 1977-03-16

Also Published As

Publication number Publication date
JPS5056890A (US06168776-20010102-C00028.png) 1975-05-17
JPS57686B2 (US06168776-20010102-C00028.png) 1982-01-07
DE2444200B2 (de) 1977-10-27
DE2444200A1 (de) 1975-04-03
DE2444200C3 (de) 1978-06-15
CH604252B5 (US06168776-20010102-C00028.png) 1978-08-31
CH1248474A4 (US06168776-20010102-C00028.png) 1977-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920913