CH589889B5 - - Google Patents

Info

Publication number
CH589889B5
CH589889B5 CH444574A CH444574A CH589889B5 CH 589889 B5 CH589889 B5 CH 589889B5 CH 444574 A CH444574 A CH 444574A CH 444574 A CH444574 A CH 444574A CH 589889 B5 CH589889 B5 CH 589889B5
Authority
CH
Switzerland
Application number
CH444574A
Original Assignee
Seiko Instr & Electronics
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 claimed from JP3818973U external-priority patent/JPS49138769U/ja
Priority claimed from JP3818873U external-priority patent/JPS49138768U/ja
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH589889B5 publication Critical patent/CH589889B5/xx

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH444574A 1973-03-29 1974-03-29 CH589889B5 (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3818973U JPS49138769U (xx) 1973-03-29 1973-03-29
JP3818873U JPS49138768U (xx) 1973-03-29 1973-03-29

Publications (1)

Publication Number Publication Date
CH589889B5 true CH589889B5 (xx) 1977-07-29

Family

ID=26377387

Family Applications (2)

Application Number Title Priority Date Filing Date
CH444574D CH444574A4 (xx) 1973-03-29 1974-03-29
CH444574A CH589889B5 (xx) 1973-03-29 1974-03-29

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH444574D CH444574A4 (xx) 1973-03-29 1974-03-29

Country Status (2)

Country Link
CH (2) CH444574A4 (xx)
GB (1) GB1441192A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI124103B (fi) 2010-02-22 2014-03-14 Murata Electronics Oy Parannettu mikromekaaninen resonaattori

Also Published As

Publication number Publication date
CH444574A4 (xx) 1976-12-31
GB1441192A (en) 1976-06-30

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Legal Events

Date Code Title Description
PL Patent ceased