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 (enrdf_load_stackoverflow
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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Electric Clocks (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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1993-03-04

Similar Documents

Publication Publication Date Title
DE2916350A1 (de) Thermoelektrische armbanduhr
PL238250A1 (en) Tv tuning network with electronic frequency control circuit
HK63887A (en) An electronic timepiece
JPS5732211A (en) Cholesteric liquid crystal blend
HK45080A (en) Liquid crystal cyclohexylcyclohexanes and dielectric materials containing them
US4596446B1 (en) Liquid crystal devices with particular cholesteric pitch-cell thickness ratio
DE4101519A1 (de) Anordnung mit stimmgabelquarz
GB2011207B (en) Crystal controlled transistor oscillators
DE3566597D1 (en) Very high frequency oscillator using gyromagnetic resonators
DE3481253D1 (de) Rf-abstimmeinrichtung mit einer schaltenden mischenstufe und einem abstimmbaren oszillator.
DE490579C (de) Piezoelektrische Kristallanordnung
DE1810274A1 (de) Einrichtung zum Begrenzen temperaturbedingter Frequenzschwankungen eines quarzgesteuerten Hochfrequenzoszillators
GB2004152A (en) Electrically tunable inductor and method
JPS52140219A (en) Tuner unit
JPS55114026A (en) Electronic tuning receiver
EP0283529A1 (de) Schaltungsanordnung zur Temperaturkompensation der Frequenz von in AT-Richtung geschnittene Kristalle aufweisenden Oszillatoren, sowie Verfahren zur Einstellung der Kompensation
JPS5315648A (en) Electronic oven
JPS5689270A (en) Conductive element for low frequency treating device
DE3010334A1 (de) Kochplatte
YU99584A (en) Circuit control for uhf and vhf areas
DE662723C (de) Abstimmvorrichtung fuer Radioempfangsgeraete mit mehreren, insbesondere zwei Wellenbereichen
AT218432B (de) Verfahren zur Adjustierung des Ganges von Quarzuhren
GB1551871A (en) Crystal oscillator controlled electronic timepiece
JPS5785274A (en) Manufacture of piezo-electric porcelain element
Egorova Design of Crystal Rejector Filters Based on a Monolithic Structure

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