GB1537012A - Piezoelectric vibrator - Google Patents

Piezoelectric vibrator

Info

Publication number
GB1537012A
GB1537012A GB3355/77A GB335577A GB1537012A GB 1537012 A GB1537012 A GB 1537012A GB 3355/77 A GB3355/77 A GB 3355/77A GB 335577 A GB335577 A GB 335577A GB 1537012 A GB1537012 A GB 1537012A
Authority
GB
United Kingdom
Prior art keywords
corner
bevelled
piezo
jan
vibrator
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
GB3355/77A
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.)
Seiko Instruments Inc
Original Assignee
Daini Seikosha Co Ltd
Seiko Instruments and Electronics 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 Daini Seikosha Co Ltd, Seiko Instruments and Electronics Ltd filed Critical Daini Seikosha Co Ltd
Publication of GB1537012A publication Critical patent/GB1537012A/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
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB3355/77A 1976-01-29 1977-01-27 Piezoelectric vibrator Expired GB1537012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976009131U JPS52101379U (enExample) 1976-01-29 1976-01-29

Publications (1)

Publication Number Publication Date
GB1537012A true GB1537012A (en) 1978-12-29

Family

ID=11712064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3355/77A Expired GB1537012A (en) 1976-01-29 1977-01-27 Piezoelectric vibrator

Country Status (5)

Country Link
JP (1) JPS52101379U (enExample)
DE (1) DE2703337A1 (enExample)
FR (1) FR2339893A1 (enExample)
GB (1) GB1537012A (enExample)
HK (1) HK48382A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309042A3 (en) * 1987-09-22 1990-03-21 Philips Patentverwaltung Gmbh Quartz vibrator enclosure for surface mounting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245178A (en) * 1938-03-04 1941-06-10 Telefunken Gmbh Piezoelectric crystal
CH214271A (de) * 1938-08-31 1941-04-15 Telefunken Gmbh Piezoelektrische Vorrichtung.
NL266716A (enExample) * 1960-07-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309042A3 (en) * 1987-09-22 1990-03-21 Philips Patentverwaltung Gmbh Quartz vibrator enclosure for surface mounting

Also Published As

Publication number Publication date
JPS52101379U (enExample) 1977-08-01
FR2339893A1 (fr) 1977-08-26
DE2703337A1 (de) 1977-08-04
HK48382A (en) 1982-11-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930127