GB1367934A - Method of and apparatus for positional detection in a machine - Google Patents

Method of and apparatus for positional detection in a machine

Info

Publication number
GB1367934A
GB1367934A GB1545471A GB1545471A GB1367934A GB 1367934 A GB1367934 A GB 1367934A GB 1545471 A GB1545471 A GB 1545471A GB 1545471 A GB1545471 A GB 1545471A GB 1367934 A GB1367934 A GB 1367934A
Authority
GB
United Kingdom
Prior art keywords
signal
pressure wave
transmitter
produces
pulses
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
GB1545471A
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.)
Martonair Ltd
Original Assignee
Martonair Ltd
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 Martonair Ltd filed Critical Martonair Ltd
Priority to GB1545471A priority Critical patent/GB1367934A/en
Priority to DE19722223774 priority patent/DE2223774A1/de
Priority to SE644572A priority patent/SE388950B/xx
Priority to FR7217921A priority patent/FR2138120B1/fr
Priority to US48225374 priority patent/US3914754A/en
Publication of GB1367934A publication Critical patent/GB1367934A/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
    • F15C1/005—Circuit elements having no moving parts for measurement techniques, e.g. measuring from a distance; for detection devices, e.g. for presence detection; for sorting measured properties (testing); for gyrometers; for analysis; for chromatography

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
GB1545471A 1971-05-18 1971-05-18 Method of and apparatus for positional detection in a machine Expired GB1367934A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1545471A GB1367934A (en) 1971-05-18 1971-05-18 Method of and apparatus for positional detection in a machine
DE19722223774 DE2223774A1 (de) 1971-05-18 1972-05-16 Vorrichtung zur lagebestimmung
SE644572A SE388950B (sv) 1971-05-18 1972-05-17 Anordning for detektering av leget hos ett eller flera arbetande element hos en maskin for att mojliggora styrning av elementet
FR7217921A FR2138120B1 (enExample) 1971-05-18 1972-05-18
US48225374 US3914754A (en) 1971-05-18 1974-06-24 Machine element position detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1545471A GB1367934A (en) 1971-05-18 1971-05-18 Method of and apparatus for positional detection in a machine

Publications (1)

Publication Number Publication Date
GB1367934A true GB1367934A (en) 1974-09-25

Family

ID=10059428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1545471A Expired GB1367934A (en) 1971-05-18 1971-05-18 Method of and apparatus for positional detection in a machine

Country Status (4)

Country Link
DE (1) DE2223774A1 (enExample)
FR (1) FR2138120B1 (enExample)
GB (1) GB1367934A (enExample)
SE (1) SE388950B (enExample)

Also Published As

Publication number Publication date
SE388950B (sv) 1976-10-18
FR2138120B1 (enExample) 1973-07-13
DE2223774A1 (de) 1973-02-22
FR2138120A1 (enExample) 1972-12-29

Similar Documents

Publication Publication Date Title
US3914754A (en) Machine element position detection system
GB1159613A (en) Pure Fluid Acoustic Amplifier, Transmitter, Modulator and Demodulator.
GB1364479A (en) Self-steering vehicles
ES8300555A1 (es) "procedimiento y dispositivo para la regulacion de las instalaciones de perforacion mediante la perforacion por chispa electrica para tiras de papel o analogo".
MX9400870A (es) Disposicion para transmision duplex.
US3500952A (en) Acoustical sensing device
US3379204A (en) Fluid signal resonator controls
ES403633A1 (es) Dispositivo distribuidor o valvula provisto de un organo dedistribucion deslizante unido a un motor electrodinamico.
US2824292A (en) Hydraulic power amplifier
GB1444536A (en) Tyre pressure monitoring system
GB1391557A (en) Control system for reciprocating machine tool slide
ES459493A1 (es) Dispositivo de mando para la regulacion de la velocidad de embolos de trabajo neumaticos y/o hidraulicos.
GB1258602A (enExample)
GB1044117A (en) Improvements in fluid mechanical oscillator
US3534754A (en) Transducer
US3540543A (en) Marine acoustic energy source
GB1131442A (en) Dispersive acoustic line
EP0517140A3 (en) Apparatus for measuring small fluid and particle flow
FR2310558A1 (fr) Dispositif detecteur de fuites d'air notamment pour le controle de l'etancheite des habitacles des vehicules automobiles
US3124099A (en) Air modulator acoustic generator
GB1268105A (en) Fluidic control device
SU655893A1 (ru) Пневматическое устройство дл многоточечного контрол линейных размеров
US3794055A (en) Techniques for bi-directional fluid signal transmission
GB1436623A (en) Signalling receiver
GB1418650A (en) Method and apparatus for drawing a tube with the assistance of vibratory energy

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee