CH533300A - Piezoelectric pressure probe - Google Patents

Piezoelectric pressure probe

Info

Publication number: CH533300A
Authority: CH; Switzerland
Prior art keywords: pressure probe; piezoelectric pressure; piezoelectric; probe; pressure
Prior art date: 1971-01-25

Application number

CH1752171A

Other languages

German (de)

Inventor

Dieter Dr Bonnet

Hans Hansen Erich

Guenter Dr Hellmiss

Ernst-Guenter Dr Lierke

Original Assignee

Hoffmann La Roche

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.)

1971-01-25

Filing date

1971-12-02

Publication date

1973-01-31

1971-12-02 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1973-01-31 Publication of CH533300A publication Critical patent/CH533300A/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0677—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a high impedance backing
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/021—Measuring pressure in heart or blood vessels
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Cardiology (AREA)
Engineering & Computer Science (AREA)
Heart & Thoracic Surgery (AREA)
Surgery (AREA)
Biophysics (AREA)
Pathology (AREA)
Physiology (AREA)
Biomedical Technology (AREA)
Vascular Medicine (AREA)
Medical Informatics (AREA)
Molecular Biology (AREA)
Physics & Mathematics (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Mechanical Engineering (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Measuring Fluid Pressure (AREA)

CH1752171A 1971-01-25 1971-12-02 Piezoelectric pressure probe CH533300A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712103237 DE2103237A1 (en)	1971-01-25	1971-01-25	Piezoelectric pressure probe

Publications (1)

Publication Number	Publication Date
CH533300A true CH533300A (en)	1973-01-31

Family

ID=5796773

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1752171A CH533300A (en)	1971-01-25	1971-12-02	Piezoelectric pressure probe

Country Status (4)

Country	Link
CH (1)	CH533300A (en)
DE (1)	DE2103237A1 (en)
FR (1)	FR2124747A5 (en)
NL (1)	NL7200054A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT375466B (en) *	1977-07-27	1984-08-10	List Hans	MEASURING VALUE WITH A PIEZOELECTRIC MEASURING ELEMENT
DE3021088A1 (en) *	1980-06-04	1981-12-10	Robert Bosch Gmbh, 7000 Stuttgart	Capacitive press. sensor e.g. for IC engines - has dielectric and two electrodes formed as disc or tube

1971
- 1971-01-25 DE DE19712103237 patent/DE2103237A1/en active Pending
- 1971-12-02 CH CH1752171A patent/CH533300A/en not_active IP Right Cessation
1972
- 1972-01-04 NL NL7200054A patent/NL7200054A/xx unknown
- 1972-01-13 FR FR7201079A patent/FR2124747A5/en not_active Expired

Also Published As

Publication number	Publication date
NL7200054A (en)	1972-07-27
DE2103237A1 (en)	1972-08-24
FR2124747A5 (en)	1972-09-22

Publication	Publication Date	Title
AT349796B (en)	1979-04-25	PIEZOELECTRIC PRESSURE TRANSDUCER
NL157421B (en)	1978-07-17	PRESSURE GAUGE.
SE392239B (en)	1977-03-21	PRESSURE DEVICE DEVICE
AT318032B (en)	1974-09-25	Transducer
IT961748B (en)	1973-12-10	TRANSDUCER
IT946657B (en)	1973-05-21	PRESSURE TRANSDUCER DEVICE
FI54226C (en)	1978-11-10	ANATOMIST RIKTIGT UTFORMAD HANDSKE
CH529998A (en)	1972-10-31	Force gauge
CH515499A (en)	1971-11-15	Piezoelectric pressure transducer
BE801293A (en)	1973-10-15	TRANSDUCER
IT968068B (en)	1974-03-20	ELECTROMECHANICAL FORCE OR PRESSURE MEASURING TRANSDUCER
SE351286C (en)	1979-07-30	PIEZOELECTRIC GUESTAR
AT320133B (en)	1975-01-27	Pressure receptor
BR7203901D0 (en)	1974-12-31	PRESSURE METER
IT979752B (en)	1974-09-30	PIEZOELECTRIC TRANSDUCER
AT341804B (en)	1978-02-27	LOW PRESSURE TRANSDUCER
CH540722A (en)	1973-08-31	Piezoelectric transducer
NL155364B (en)	1977-12-15	PRESSURE GAUGE.
IT957226B (en)	1973-10-10	ELECTROFLUIDIC TRANSDUCER
IT961441B (en)	1973-12-10	FLOW TRANSDUCER
CH533300A (en)	1973-01-31	Piezoelectric pressure probe
CH543164A (en)	1973-10-15	Inductive transducer
BR7202421D0 (en)	1973-06-28	ELECTRACUSTIC TRANSDUCER
BR7202428D0 (en)	1973-06-28	ELECTRACUSTIC TRANSDUCER
AT324494B (en)	1975-09-10	PROBE

Legal Events

Date	Code	Title	Description
1976-07-15	PL	Patent ceased