GB1323526A - Acoustically sensitive fluidic control device - Google Patents

Acoustically sensitive fluidic control device

Info

Publication number
GB1323526A
GB1323526A GB1054271A GB1054271A GB1323526A GB 1323526 A GB1323526 A GB 1323526A GB 1054271 A GB1054271 A GB 1054271A GB 1054271 A GB1054271 A GB 1054271A GB 1323526 A GB1323526 A GB 1323526A
Authority
GB
United Kingdom
Prior art keywords
amplifier
control channel
membrane
fluidic
flow state
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.)
Expired
Application number
GB1054271A
Other languages
English (en)
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.)
Automatic Switch Co
Original Assignee
Automatic Switch 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.)
Filing date
Publication date
Application filed by Automatic Switch Co filed Critical Automatic Switch Co
Publication of GB1323526A publication Critical patent/GB1323526A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Program devices
    • F15C1/04—Means for controlling fluid streams to fluid devices, e.g. by electric signals or other signals, no mixing taking place between the signal and the flow to be controlled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB1054271A 1970-05-14 1971-04-21 Acoustically sensitive fluidic control device Expired GB1323526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3724770A 1970-05-14 1970-05-14

Publications (1)

Publication Number Publication Date
GB1323526A true GB1323526A (en) 1973-07-18

Family

ID=21893279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1054271A Expired GB1323526A (en) 1970-05-14 1971-04-21 Acoustically sensitive fluidic control device

Country Status (4)

Country Link
CA (1) CA927287A (https=)
DE (1) DE2123187A1 (https=)
FR (1) FR2100657B3 (https=)
GB (1) GB1323526A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024601A1 (de) * 1980-06-28 1982-01-21 H. Kuhnke GmbH, 2427 Malente E/p wandler

Also Published As

Publication number Publication date
CA927287A (en) 1973-05-29
FR2100657A7 (https=) 1972-03-24
FR2100657B3 (https=) 1973-08-10
DE2123187A1 (de) 1971-11-25

Similar Documents

Publication Publication Date Title
ES8400195A1 (es) Perfeccionamientos en un dispositivo para medir el volumen de gases en un recipiente de paredes rigidas y de tamano conocido.
JPS5523476A (en) Detection circuit device for ultrasonic propagation time
GB1326493A (en) Transducer
KR840001743A (ko) 정보신호 유무 판별회로 장치
ES460008A1 (es) Instalacion se/alizadora de alarma y antirrobo.
GB1402530A (en) Detecting damage to glass
GB1323526A (en) Acoustically sensitive fluidic control device
CA956010A (en) Method and system for detecting the presence of a medium in the path of a sound or light wave
JPS5644255A (en) Sound switch
US3491332A (en) Sonic detector
JPS5253442A (en) Detector for physical states
SU987398A1 (ru) Ультразвуковой сигнализатор уровн
JPS5527938A (en) Ultrasonic wave flow meter
JPS5784628A (en) Mobile radio device
JPS55140311A (en) Sound volume automatic control unit of noise control type speaker
JPS6489900A (en) Sound signal attenuation device
GB1397065A (en) Defect detection
JPS5923888U (ja) 炎検知器
CA681325A (en) Flaw detection and like systems using pulsed sonic or ultrasonic waves
MIURA Transmitted sound field due to an impulsive line acoustic source bounded by a rigid plate followed by a vortex sheet[Ph. D. Thesis]
JPS5488170A (en) Ultrasonic velocity of flow measuring system
ES411642A1 (es) Un sistema de deteccion de la intrusion, en un perimetro, de personas o de vehiculos.
JPS5643512A (en) Supervisory device of developer
JPS5253443A (en) Detector for physical states
JPS5389713A (en) Servo signal demodulating sysyem of magnetic disk device

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees