FR1453311A - Dispositif interrupteur utilisant un cristal piézoélectrique enduit particulièrement pour la détection de divers gaz - Google Patents

Dispositif interrupteur utilisant un cristal piézoélectrique enduit particulièrement pour la détection de divers gaz

Info

Publication number: FR1453311A
Authority: FR; France
Prior art keywords: crystal; detection; switch device; piezoelectric crystal; various gases
Prior art date: 1964-06-01
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

FR18994A

Other languages

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.)

ExxonMobil Technology and Engineering Co

Original Assignee

Exxon Research and Engineering Co

Esso Research and Engineering Co

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.)

1964-06-01

Filing date

1965-05-31

Publication date

1966-09-23

1965-05-31 Application filed by Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co

1966-09-23 Application granted granted Critical

1966-09-23 Publication of FR1453311A publication Critical patent/FR1453311A/fr

Status Expired legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
- 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
- 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
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Acoustics & Sound (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Oscillators With Electromechanical Resonators (AREA)
Relay Circuits (AREA)
Electronic Switches (AREA)

FR18994A 1964-06-01 1965-05-31 Dispositif interrupteur utilisant un cristal piézoélectrique enduit particulièrement pour la détection de divers gaz Expired FR1453311A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US371720A US3343044A (en)	1964-06-01	1964-06-01	Switch apparatus employing coated piezoelectric crystal

Publications (1)

Publication Number	Publication Date
FR1453311A true FR1453311A (fr)	1966-09-23

Family

ID=23465143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR18994A Expired FR1453311A (fr)	1964-06-01	1965-05-31	Dispositif interrupteur utilisant un cristal piézoélectrique enduit particulièrement pour la détection de divers gaz

Country Status (8)

Country	Link
US (1)	US3343044A (fr)
JP (1)	JPS441602B1 (fr)
BE (1)	BE664715A (fr)
CH (1)	CH441817A (fr)
DE (1)	DE1291140B (fr)
FR (1)	FR1453311A (fr)
GB (1)	GB1063589A (fr)
NL (1)	NL6506859A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2628290C3 (de) *	1976-06-24	1981-12-24	Olympia Werke Ag, 2940 Wilhelmshaven	Schaltungsanordnung zum Überlastschutz eines Schalttransistors in einer Endstufe
EP0038637A1 (fr) *	1980-04-18	1981-10-28	Secretary of State for Social Services in Her Britannic Majesty's Gov. of the U.K. of Great Britain and Northern Ireland	Méthode et appareil pour détecter la présence d'une impureté dans un courant gazeux
US4637987A (en) *	1984-05-07	1987-01-20	Gould Inc.	Gas monitoring device and method
US4677078A (en) *	1984-05-07	1987-06-30	Gould Inc.	Oxygen monitoring device and method
EP0215669A3 (fr) *	1985-09-17	1989-08-30	Seiko Instruments Inc.	Diagnostique et procédé d'analyse de composés biochimiques, microbes et cellules
US5028394A (en) *	1990-04-13	1991-07-02	Bend Research, Inc.	Chemical sensors
US5677476A (en) *	1996-02-06	1997-10-14	Endress + Hauser Conducta Gesellschaft Fuer Mess- Und Regeltechnik Mbh & Co.	Sensor and transmitter with multiple outputs
US11132891B2 (en) *	2019-08-27	2021-09-28	Honeywell International Inc.	Self-testing fire sensing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2496975A (en) *	1945-04-17	1950-02-07	Premier Crystal Lab Inc	Temperature responsive piezo-electric crystal oscillator
US2794132A (en) *	1953-09-23	1957-05-28	Clevite Corp	Method of waterproofing piezoelectric crystals and waterproofed crystal unit
BE631020A (fr) *	1961-05-15
US3253219A (en) *	1961-06-01	1966-05-24	Union Oil Co	Method using change of piezoelectric crystal frequency to determine corrosion rate and apparatus therefor
US3260104A (en) *	1962-10-22	1966-07-12	Exxon Research Engineering Co	Apparatus for fluid analysis
US3266291A (en) *	1962-10-29	1966-08-16	Exxon Research Engineering Co	Piezo crystal fluid analyzer

1964
- 1964-06-01 US US371720A patent/US3343044A/en not_active Expired - Lifetime
1965
- 1965-05-17 GB GB20758/65A patent/GB1063589A/en not_active Expired
- 1965-05-28 CH CH742265A patent/CH441817A/fr unknown
- 1965-05-31 NL NL6506859A patent/NL6506859A/xx unknown
- 1965-05-31 DE DEE29415A patent/DE1291140B/de active Pending
- 1965-05-31 FR FR18994A patent/FR1453311A/fr not_active Expired
- 1965-05-31 BE BE664715D patent/BE664715A/xx unknown
- 1965-06-01 JP JP3240565A patent/JPS441602B1/ja active Pending

Also Published As

Publication number	Publication date
CH441817A (fr)	1967-08-15
JPS441602B1 (fr)	1969-01-24
GB1063589A (en)	1967-03-30
DE1291140B (de)	1969-03-20
BE664715A (fr)	1965-11-30
NL6506859A (fr)	1965-12-02
US3343044A (en)	1967-09-19

Publication	Publication Date	Title
FR1453311A (fr)	1966-09-23	Dispositif interrupteur utilisant un cristal piézoélectrique enduit particulièrement pour la détection de divers gaz
DE3871425D1 (de)	1992-07-02	Integrierte schaltungsanordnung zur ueberwachung eines mitintegrierten oszillators.
SE8503017D0 (sv)	1985-06-18	Gasanalysator
GB1169197A (en)	1969-10-29	Proximity Detecting Switch Means
JPS51124355A (en)	1976-10-29	Crystal oscillation circuit
FR1370740A (fr)	1964-08-28	Dispositif de détection des fuites au robinet des bouteilles de gaz, notamment d'hydrocarbures liquéfiés
JPS5359472A (en)	1978-05-29	Electronic circuit device of crystal watch
ES414552A1 (es)	1976-02-01	Perfeccionamientos en aparatos electronicos detectores de gases combustibles en el ambiente.
KR870000595A (ko)	1987-02-19	주파수 측정장치
JPS57201883A (en)	1982-12-10	Timepiece
JPS5328465A (en)	1978-03-16	Electronic watch
FR1314000A (fr)	1963-01-04	Dispositif de repérage du niveau d'un liquide et notamment d'un gaz liquéfié
JPS5274255A (en)	1977-06-22	Liquid crystal indicator
JPS5265695A (en)	1977-05-31	Perpendicular slide crystal vibrator
FR95855E (fr)	1971-11-12	Dispositif de détection des fuites au robinet des bouteilles de gaz, notamment d'hydrocarbures liquéfiés.
JPS5210055A (en)	1977-01-26	Self-oscilaltion circuit of piezoelectric oscillator
JPS5489664A (en)	1979-07-16	Electronic watch
FR1160731A (fr)	1958-07-29	Dispositif amenant en contact des liquides et des gaz
JPS5216991A (en)	1977-02-08	Structure of piezo oscillator
JPS5243343A (en)	1977-04-05	Control device of oscillator
GR20468B (el)	1960-01-16	Καυστηρ διπλου θερμικου κυκλωματος μικτης η μονομερους καυσεως υγρων και αεριων καυσιμων.
JPS5267675A (en)	1977-06-04	Electronic timepiece
GB1079971A (en)	1967-08-16	Liquid detector
GB944340A (en)	1963-12-11	Ultrasonic burner
ARAMYAN et al.	1965	A method of measuring the flow rate of liquids and gases and a device for exploiting the method(Acoustic method of measuring flow rate of liquid or gas and measuring apparatus)