DE4101519A1 - Anordnung mit stimmgabelquarz - Google Patents

Anordnung mit stimmgabelquarz

Info

Publication number
DE4101519A1
DE4101519A1 DE19914101519 DE4101519A DE4101519A1 DE 4101519 A1 DE4101519 A1 DE 4101519A1 DE 19914101519 DE19914101519 DE 19914101519 DE 4101519 A DE4101519 A DE 4101519A DE 4101519 A1 DE4101519 A1 DE 4101519A1
Authority
DE
Germany
Prior art keywords
temp
tuning fork
fork quartz
heater
reversal point
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.)
Granted
Application number
DE19914101519
Other languages
German (de)
English (en)
Other versions
DE4101519C2 (https=
Inventor
Holger Jagdt
Erich Mueller
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Priority to DE19914101519 priority Critical patent/DE4101519A1/de
Publication of DE4101519A1 publication Critical patent/DE4101519A1/de
Application granted granted Critical
Publication of DE4101519C2 publication Critical patent/DE4101519C2/de
Granted 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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE19914101519 1991-01-19 1991-01-19 Anordnung mit stimmgabelquarz Granted DE4101519A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914101519 DE4101519A1 (de) 1991-01-19 1991-01-19 Anordnung mit stimmgabelquarz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914101519 DE4101519A1 (de) 1991-01-19 1991-01-19 Anordnung mit stimmgabelquarz

Publications (2)

Publication Number Publication Date
DE4101519A1 true DE4101519A1 (de) 1992-07-23
DE4101519C2 DE4101519C2 (https=) 1993-03-04

Family

ID=6423330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914101519 Granted DE4101519A1 (de) 1991-01-19 1991-01-19 Anordnung mit stimmgabelquarz

Country Status (1)

Country Link
DE (1) DE4101519A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742908A1 (de) * 1977-09-23 1979-03-29 Siemens Ag Zeitgeber mit schwingquarz
DE2951241A1 (de) * 1978-12-28 1980-07-17 Suwa Seikosha Kk Verfahren zur frequenzeinstellung bei einem stimmgabelquarzkristallschwinger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742908A1 (de) * 1977-09-23 1979-03-29 Siemens Ag Zeitgeber mit schwingquarz
DE2951241A1 (de) * 1978-12-28 1980-07-17 Suwa Seikosha Kk Verfahren zur frequenzeinstellung bei einem stimmgabelquarzkristallschwinger

Also Published As

Publication number Publication date
DE4101519C2 (https=) 1993-03-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MANNESMANN VDO AG, 60326 FRANKFURT, DE

8339 Ceased/non-payment of the annual fee