CA1020631A - Control and gauging method and apparatus using locked oscillators - Google Patents

Control and gauging method and apparatus using locked oscillators

Info

Publication number
CA1020631A
CA1020631A CA212,589A CA212589A CA1020631A CA 1020631 A CA1020631 A CA 1020631A CA 212589 A CA212589 A CA 212589A CA 1020631 A CA1020631 A CA 1020631A
Authority
CA
Canada
Prior art keywords
control
locked oscillators
gauging method
gauging
oscillators
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
CA212,589A
Other languages
English (en)
Other versions
CA212589S (en
Inventor
Edward I. Parker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1020631A publication Critical patent/CA1020631A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA212,589A 1974-03-04 1974-10-29 Control and gauging method and apparatus using locked oscillators Expired CA1020631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44796574A 1974-03-04 1974-03-04

Publications (1)

Publication Number Publication Date
CA1020631A true CA1020631A (en) 1977-11-08

Family

ID=23778466

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,589A Expired CA1020631A (en) 1974-03-04 1974-10-29 Control and gauging method and apparatus using locked oscillators

Country Status (6)

Country Link
JP (1) JPS50120890A (en(2012))
CA (1) CA1020631A (en(2012))
DD (1) DD115219A5 (en(2012))
DE (1) DE2452257A1 (en(2012))
ES (1) ES431994A1 (en(2012))
IT (1) IT1023251B (en(2012))

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023059489A1 (en) * 2021-10-05 2023-04-13 Snap Inc. Disciplining crystals to synchronize timing of independent nodes
US11775005B2 (en) 2021-10-06 2023-10-03 Snap Inc. Synchronizing systems on a chip using a shared clock
US12021611B2 (en) 2021-10-07 2024-06-25 Snap Inc. Synchronizing systems-on-chip using GPIO timestamps
US12184404B2 (en) 2021-10-05 2024-12-31 Snap Inc. Reconciling events in multi-node systems using hardware timestamps

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107947A1 (de) * 1981-03-02 1982-09-16 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum uebertragen eines messwertes von einem beweglichen gegenstand auf einen relativ zu diesem feststehenden gegenstand
DE3231995C2 (de) * 1982-08-27 1985-06-27 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Verfahren und Anordnung zum Messen der Verschmutzung eines kapazitiven Taupunktsensors
DE3248534C2 (de) * 1982-12-29 1985-11-21 Rinat Šagavaleevič Šagabeev Elektromagnetisches Defektoskop
AT387461B (de) * 1986-07-15 1989-01-25 Sprecher Energie Oesterreich Elektronische messeinrichtung
DE3815010A1 (de) * 1988-04-30 1989-11-09 Leybold Ag Schaltungsanordnung fuer den kombinierten einsatz einer induktiven und einer kapazitiven einrichtung fuer die zerstoerungsfreie messung des ohmschen wiederstands duenner schichten

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023059489A1 (en) * 2021-10-05 2023-04-13 Snap Inc. Disciplining crystals to synchronize timing of independent nodes
US11784619B2 (en) 2021-10-05 2023-10-10 Snap Inc. Disciplining crystals to synchronize timing of independent nodes
US12184404B2 (en) 2021-10-05 2024-12-31 Snap Inc. Reconciling events in multi-node systems using hardware timestamps
US11775005B2 (en) 2021-10-06 2023-10-03 Snap Inc. Synchronizing systems on a chip using a shared clock
US12105553B2 (en) 2021-10-06 2024-10-01 Snap Inc. Synchronizing systems on a chip using a shared clock
US12021611B2 (en) 2021-10-07 2024-06-25 Snap Inc. Synchronizing systems-on-chip using GPIO timestamps
US12375198B2 (en) 2021-10-07 2025-07-29 Snap Inc. Synchronizing systems-on-chip using GPIO timestamps

Also Published As

Publication number Publication date
IT1023251B (it) 1978-05-10
DD115219A5 (en(2012)) 1975-09-12
DE2452257A1 (de) 1975-09-11
ES431994A1 (es) 1977-04-01
JPS50120890A (en(2012)) 1975-09-22

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