GB1113991A - Improvements in servomechanism - Google Patents

Improvements in servomechanism

Info

Publication number
GB1113991A
GB1113991A GB91664A GB91664A GB1113991A GB 1113991 A GB1113991 A GB 1113991A GB 91664 A GB91664 A GB 91664A GB 91664 A GB91664 A GB 91664A GB 1113991 A GB1113991 A GB 1113991A
Authority
GB
United Kingdom
Prior art keywords
balance
force
counter
electromagnetic
substance
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
GB91664A
Inventor
Eric Jeffrey Wightman
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.)
Unisys Group Services Ltd
Original Assignee
Sperry Rand 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 Sperry Rand Ltd filed Critical Sperry Rand Ltd
Priority to GB91664A priority Critical patent/GB1113991A/en
Publication of GB1113991A publication Critical patent/GB1113991A/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
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
    • G01N9/06—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids with continuous circulation through a pivotally supported member

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Telescopes (AREA)

Abstract

1,113,991. Selective signalling. SPERRY RAND Ltd. 1 April, 1965 [8 Jan., 1964], No. 916/64. Heading G4H. In a densitometer the weight of some of the substance is counterbalanced by the force exerted by an electromagnetic the current through which is determined by the contents of a counter to which clock-pulses are admitted either additively or subtractively in accordance with any photo-electrically directed out-of balance. The electromagnetic counterbalancing force produced by the counter is augmented by a second electromagnetic force proportional to the extent of out-of-balance. This second force diminishes to zero as balance is approached but it does provide an immediate counterbalancing force which is effective to limit the out-of-balance following a sudden change in density of the substance being measured before the counter has had time to restore the balance.
GB91664A 1964-01-08 1964-01-08 Improvements in servomechanism Expired GB1113991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB91664A GB1113991A (en) 1964-01-08 1964-01-08 Improvements in servomechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB91664A GB1113991A (en) 1964-01-08 1964-01-08 Improvements in servomechanism

Publications (1)

Publication Number Publication Date
GB1113991A true GB1113991A (en) 1968-05-15

Family

ID=9712768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB91664A Expired GB1113991A (en) 1964-01-08 1964-01-08 Improvements in servomechanism

Country Status (1)

Country Link
GB (1) GB1113991A (en)

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