GB2039059B - Capacitance distance measuring device and method - Google Patents

Capacitance distance measuring device and method

Info

Publication number
GB2039059B
GB2039059B GB7943092A GB7943092A GB2039059B GB 2039059 B GB2039059 B GB 2039059B GB 7943092 A GB7943092 A GB 7943092A GB 7943092 A GB7943092 A GB 7943092A GB 2039059 B GB2039059 B GB 2039059B
Authority
GB
United Kingdom
Prior art keywords
measuring device
distance measuring
capacitance distance
capacitance
measuring
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
GB7943092A
Other languages
English (en)
Other versions
GB2039059A (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2039059A publication Critical patent/GB2039059A/en
Application granted granted Critical
Publication of GB2039059B publication Critical patent/GB2039059B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/42—Measurement or testing during manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB7943092A 1978-12-18 1979-12-14 Capacitance distance measuring device and method Expired GB2039059B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7812247A NL7812247A (nl) 1978-12-18 1978-12-18 Werkwijze voor het bepalen van variaties in de vooraf ingestelde nominale afstand tussen de naar elkaar toegekeerde oppervlakken van een kleurselektieeelektrodeen een beeldvenster nabij de hoeken van het beeld- venster van een kleurentelevisiebeeldbuis en inrichting voor het uitvoeren van de werkwijze.

Publications (2)

Publication Number Publication Date
GB2039059A GB2039059A (en) 1980-07-30
GB2039059B true GB2039059B (en) 1983-08-17

Family

ID=19832084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943092A Expired GB2039059B (en) 1978-12-18 1979-12-14 Capacitance distance measuring device and method

Country Status (9)

Country Link
US (1) US4307337A (US20100056889A1-20100304-C00004.png)
JP (1) JPS5583124A (US20100056889A1-20100304-C00004.png)
BE (1) BE880660A (US20100056889A1-20100304-C00004.png)
CA (1) CA1145812A (US20100056889A1-20100304-C00004.png)
DE (1) DE2950362C2 (US20100056889A1-20100304-C00004.png)
FR (1) FR2445013A1 (US20100056889A1-20100304-C00004.png)
GB (1) GB2039059B (US20100056889A1-20100304-C00004.png)
IT (1) IT1126566B (US20100056889A1-20100304-C00004.png)
NL (1) NL7812247A (US20100056889A1-20100304-C00004.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979920A (en) * 1989-08-23 1990-12-25 Thomson Consumer Electronics, Inc. System for measuring Q spacing in a kinescope panel
US5132631A (en) * 1990-03-21 1992-07-21 A. E., Inc. Glass surface coating detector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802178A (en) * 1954-09-22 1957-08-06 Gen Electric Motion detecting device
US3031617A (en) * 1958-08-13 1962-04-24 Donald R Paquette Linear capacitive probe detecting device
US3077858A (en) * 1960-03-17 1963-02-19 Gen Electric Canada Apparatus for controlling and measuring the thickness of thin electrically conductive films
US3400331A (en) * 1965-01-18 1968-09-03 Pratt & Whitney Inc Gaging device including a probe having a plurality of concentric and coextensive electrodes
US3482286A (en) * 1966-01-07 1969-12-09 Rca Corp Cathode ray tube manufacture
US3626287A (en) * 1969-02-10 1971-12-07 C G I Corp System for responding to changes in capacitance of a sensing capacitor
CH531719A (de) * 1970-08-04 1972-12-15 Zellweger Uster Ag Verfahren zur Herstellung einer Messelektrode
US3805150A (en) * 1970-08-17 1974-04-16 Ade Corp Environment immune high precision capacitive gauging system
US3825323A (en) * 1973-05-17 1974-07-23 Teletype Corp Rotary disc recording and readout system having capacitance controlled lens positioning means
DE2731752C2 (de) * 1977-07-14 1983-09-01 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur Bestimmung kleiner Abstände

Also Published As

Publication number Publication date
US4307337A (en) 1981-12-22
JPS5583124A (en) 1980-06-23
IT7927995A0 (it) 1979-12-07
BE880660A (fr) 1980-06-17
NL7812247A (nl) 1980-06-20
GB2039059A (en) 1980-07-30
FR2445013B1 (US20100056889A1-20100304-C00004.png) 1982-06-18
CA1145812A (en) 1983-05-03
IT1126566B (it) 1986-05-21
FR2445013A1 (fr) 1980-07-18
JPS6231469B2 (US20100056889A1-20100304-C00004.png) 1987-07-08
DE2950362C2 (de) 1987-05-14
DE2950362A1 (de) 1980-07-03

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Legal Events

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