CH555112A - Oscillateur a quartz. - Google Patents

Oscillateur a quartz.

Info

Publication number: CH555112A
Authority: CH; Switzerland
Prior art keywords: quartz oscillator; oscillator; quartz
Prior art date: 1971-02-17

Application number

CH222672A

Other languages

English (en)

Original Assignee

Sescosem Societe Europ Des Sem

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.)

1971-02-17

Filing date

1972-02-16

Publication date

1974-10-15

1972-02-16 Application filed by Sescosem Societe Europ Des Sem filed Critical Sescosem Societe Europ Des Sem

1974-10-15 Publication of CH555112A publication Critical patent/CH555112A/fr

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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/364—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier comprising field effect transistors
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/354—Astable circuits
- H03K3/3545—Stabilisation of output, e.g. using crystal

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Oscillators With Electromechanical Resonators (AREA)

CH222672A 1971-02-17 1972-02-16 Oscillateur a quartz. CH555112A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7105365A FR2126956B1 (fr)	1971-02-17	1971-02-17

Publications (1)

Publication Number	Publication Date
CH555112A true CH555112A (fr)	1974-10-15

Family

ID=9072035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH222672A CH555112A (fr)	1971-02-17	1972-02-16	Oscillateur a quartz.

Country Status (6)

Country	Link
US (1)	US3753154A (fr)
CH (1)	CH555112A (fr)
DE (1)	DE2207262A1 (fr)
FR (1)	FR2126956B1 (fr)
GB (1)	GB1376065A (fr)
IT (1)	IT947543B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4704587A (en) *	1986-12-04	1987-11-03	Western Digital Corporation	Crystal oscillator circuit for fast reliable start-up
US5909152A (en) *	1997-02-28	1999-06-01	Texas Instruments Incorporated	Low power CMOS crystal oscillator circuit
US6278336B1 (en)	1998-02-27	2001-08-21	Texas Instruments Incorporated	Low-current oscillator with hysteresis input buffer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3568091A (en) *	1969-02-26	1971-03-02	Hamilton Watch Co	Astable multivibrator using two complementary transistor pairs
US3585527A (en) *	1969-10-27	1971-06-15	Suisse Pour L Ind Horlogere Sa	Oscillator circuit including a quartz crystal operating in parallel resonance

1971
- 1971-02-17 FR FR7105365A patent/FR2126956B1/fr not_active Expired
1972
- 1972-02-02 US US00222778A patent/US3753154A/en not_active Expired - Lifetime
- 1972-02-14 IT IT20532/72A patent/IT947543B/it active
- 1972-02-16 DE DE19722207262 patent/DE2207262A1/de active Pending
- 1972-02-16 CH CH222672A patent/CH555112A/fr not_active IP Right Cessation
- 1972-02-16 GB GB727372A patent/GB1376065A/en not_active Expired

Also Published As

Publication number	Publication date
GB1376065A (en)	1974-12-04
US3753154A (en)	1973-08-14
DE2207262A1 (de)	1972-08-31
IT947543B (it)	1973-05-30
FR2126956A1 (fr)	1972-10-13
FR2126956B1 (fr)	1974-03-22

Publication	Publication Date	Title
ES215371Y (es)	1976-12-01	Un limpia-barros o similar.
CH557602A (de)	1974-12-31	Atomfrequenznormal.
DK136339B (da)	1977-09-26	Kvartskrystal resonator.
NL7508854A (nl)	1976-01-27	Torsie-oscillator.
AR192257A1 (es)	1973-02-08	Un dentifrico
CH557649A (de)	1975-01-15	Article a fumer.
NL7410395A (nl)	1975-02-11	Comparator-gestuurde oscillator.
NL7412958A (nl)	1975-04-04	Oscillator.
BR7204278D0 (pt)	1973-05-10	Um multiplenor
NL177874C (nl)	1985-12-02	Oscillator.
NL7316593A (nl)	1975-01-20	Oscillator.
NL161944C (nl)	1980-03-17	Afsteminrichting.
CH558725A (de)	1975-02-14	Sospensione pneumatica antriore a ruote indipendenti per autobur e veicili industriali.
ES213249Y (es)	1976-11-16	Un envase aplastable.
AR193246A1 (es)	1973-04-11	Un dentifrico
CH555112A (fr)	1974-10-15	Oscillateur a quartz.
CH550512A (de)	1974-06-14	Abstimmbarer quarzoszillator.
CH548137A (de)	1974-04-11	Gunnoszillator.
CH555496A (de)	1974-10-31	Vanne a tiroir.
BE784882A (fr)	1972-12-14	Oscillateur magnetostrictif
IT950677B (it)	1973-06-20	Bottiglia a sifone
ES164836Y (es)	1972-05-01	Un caramelo-juguete.
ES166618Y (es)	1971-11-16	Un envase perfeccionado.
ES179564Y (es)	1973-11-16	Un biberon.
CH541902A (de)	1973-09-15	Biegeschwinger

Legal Events

Date	Code	Title	Description
1979-12-14	PL	Patent ceased