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CA951430A - Control apparatus - Google Patents

Control apparatus

Info

Publication number
CA951430A
CA951430A CA070,042,A CA70042A CA951430A CA 951430 A CA951430 A CA 951430A CA 70042 A CA70042 A CA 70042A CA 951430 A CA951430 A CA 951430A
Authority
CA
Canada
Prior art keywords
control apparatus
control
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
CA070,042,A
Other versions
CA70042S (en
Inventor
Edward R. Wuori
Leslie J. Groberman
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA951430A publication Critical patent/CA951430A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • G01R17/08—Automatic balancing arrangements in which a force or torque representing the measured value is balanced by a force or torque representing the reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Testing And Monitoring For Control Systems (AREA)
CA070,042,A 1969-03-18 1969-12-16 Control apparatus Expired CA951430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80816769A 1969-03-18 1969-03-18

Publications (1)

Publication Number Publication Date
CA951430A true CA951430A (en) 1974-07-16

Family

ID=25198047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA070,042,A Expired CA951430A (en) 1969-03-18 1969-12-16 Control apparatus

Country Status (5)

Country Link
JP (1) JPS4925319B1 (en)
CA (1) CA951430A (en)
FR (1) FR2035031A1 (en)
GB (1) GB1309161A (en)
NL (1) NL7003639A (en)

Also Published As

Publication number Publication date
NL7003639A (en) 1970-09-22
FR2035031A1 (en) 1970-12-18
JPS4925319B1 (en) 1974-06-28
GB1309161A (en) 1973-03-07

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