IT1162557B - APPARATUS TO CONTROL THE STATE OF AN ELECTRIC CIRCUIT - Google Patents

APPARATUS TO CONTROL THE STATE OF AN ELECTRIC CIRCUIT

Info

Publication number
IT1162557B
IT1162557B IT24161/79A IT2416179A IT1162557B IT 1162557 B IT1162557 B IT 1162557B IT 24161/79 A IT24161/79 A IT 24161/79A IT 2416179 A IT2416179 A IT 2416179A IT 1162557 B IT1162557 B IT 1162557B
Authority
IT
Italy
Prior art keywords
state
control
electric circuit
electric
circuit
Prior art date
Application number
IT24161/79A
Other languages
Italian (it)
Other versions
IT7924161A0 (en
Original Assignee
Rolls Royce
Renishaw Electrical 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 Rolls Royce, Renishaw Electrical Ltd filed Critical Rolls Royce
Publication of IT7924161A0 publication Critical patent/IT7924161A0/en
Application granted granted Critical
Publication of IT1162557B publication Critical patent/IT1162557B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/002—Constructional details of contacts for gauges actuating one or more contacts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/004—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
    • G01B7/008—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points using coordinate measuring machines
    • G01B7/012—Contact-making feeler heads therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IT24161/79A 1978-07-07 1979-07-06 APPARATUS TO CONTROL THE STATE OF AN ELECTRIC CIRCUIT IT1162557B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7829116 1978-07-07
GB7921870A GB2025073B (en) 1978-07-07 1979-06-22 Apparatus for monitoring the state of an electrical circiut

Publications (2)

Publication Number Publication Date
IT7924161A0 IT7924161A0 (en) 1979-07-06
IT1162557B true IT1162557B (en) 1987-04-01

Family

ID=26268142

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24161/79A IT1162557B (en) 1978-07-07 1979-07-06 APPARATUS TO CONTROL THE STATE OF AN ELECTRIC CIRCUIT

Country Status (2)

Country Link
GB (1) GB2025073B (en)
IT (1) IT1162557B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101325B (en) * 1981-06-23 1984-10-17 Rank Organisation Ltd Contact sensitive probes using capacitative sensors
EP0100807A1 (en) * 1982-08-12 1984-02-22 Mecanor S.A. Measuring instrument with electric contact
JPS59501875A (en) * 1982-10-15 1984-11-08 レニシヨウ　パブリツク　リミテツド　カンパニ− position sensing device
EP0116807A1 (en) * 1983-02-21 1984-08-29 GAME INGENIERIE Société Anonyme Probe-support, moveable along at least two orthogonal axes and carrying a head for measuring, controlling, working, copying or the like
DE3348472C2 (en) * 1983-06-03 1994-09-29 Zeiss Carl Fa Stylus change holder
GB2143954A (en) * 1983-07-22 1985-02-20 Sharetree Ltd A capacitive method and apparatus for checking connections of a printed circuit board
GB8407847D0 (en) * 1984-03-27 1984-05-02 Emi Ltd Sensing apparatus
EP0242710B1 (en) * 1986-04-17 1990-07-25 Renishaw plc Contact-sensing probe
EP0279828B2 (en) * 1986-09-03 1993-11-24 Renishaw plc Signal processing for contact-sensing probe
JPH074735B2 (en) * 1989-01-20 1995-01-25 大昭和精機株式会社 Contact detection device
FR2674659A1 (en) * 1991-03-29 1992-10-02 Renishan Metrology Ltd SIGNAL TRANSMISSION DEVICE FOR TRIGGERED PROBE.
GB9225994D0 (en) * 1992-12-12 1993-02-10 Renishaw Metrology Ltd Device for connecting a shank to a probe
US5594995A (en) * 1995-04-06 1997-01-21 Metrol Co., Ltd. Touch sensor
JP3537913B2 (en) * 1995-04-19 2004-06-14 株式会社リコー Method for producing polymer particles and toner for developing electrostatic images using the polymer particles
EP0987516A1 (en) * 1998-09-15 2000-03-22 ESEC Management SA Apparatus for determining the moment at which two electrically conducting bodies , or one electrically conducting body and an electrically conducting fluid- drop contact each other

Also Published As

Publication number Publication date
GB2025073B (en) 1982-12-15
GB2025073A (en) 1980-01-16
IT7924161A0 (en) 1979-07-06

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