CA1004333A - Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband - Google Patents

Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband

Info

Publication number
CA1004333A
CA1004333A CA180,466A CA180466A CA1004333A CA 1004333 A CA1004333 A CA 1004333A CA 180466 A CA180466 A CA 180466A CA 1004333 A CA1004333 A CA 1004333A
Authority
CA
Canada
Prior art keywords
deadband
control system
differential amplifier
current comparator
dual current
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
CA180,466A
Other languages
English (en)
Other versions
CA180466S (en
Inventor
B. Hubert Pinckaers
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
Priority to CA251,496A priority Critical patent/CA1008950A/en
Application granted granted Critical
Publication of CA1004333A publication Critical patent/CA1004333A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/13—Modifications for switching at zero crossing
    • H03K17/136—Modifications for switching at zero crossing in thyristor switches
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
  • Feedback Control In General (AREA)
  • Control Of Temperature (AREA)
  • Control Of Electrical Variables (AREA)
CA180,466A 1972-10-05 1973-09-06 Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband Expired CA1004333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA251,496A CA1008950A (en) 1972-10-05 1976-04-30 Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00295398A US3825852A (en) 1972-10-05 1972-10-05 Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband

Publications (1)

Publication Number Publication Date
CA1004333A true CA1004333A (en) 1977-01-25

Family

ID=23137519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,466A Expired CA1004333A (en) 1972-10-05 1973-09-06 Control system comprising differential amplifier with dual current comparator having two outputs separated by a deadband

Country Status (3)

Country Link
US (1) US3825852A (enExample)
JP (1) JPS49132473A (enExample)
CA (1) CA1004333A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849918B2 (ja) * 1975-07-04 1983-11-07 株式会社日立製作所 ２ センシキヘンカンゾウフクキ
DE2815404C2 (de) * 1978-04-10 1984-08-30 Danfoss A/S, Nordborg Stufenregler für mehrere Leistungsglieder
US4337423A (en) * 1980-07-24 1982-06-29 Rca Corporation Dual output switching circuit
DE3045366C2 (de) 1980-12-02 1984-02-16 Robert Bosch Gmbh, 7000 Stuttgart Schwellwertschalter
JPH03135460A (ja) * 1989-10-20 1991-06-10 Hitachi Koki Co Ltd 遠心分離機の温度制御方式
GB9424810D0 (en) * 1994-12-08 1995-02-08 Philips Electronics Uk Ltd Current comparator arrangement
KR100323196B1 (ko) * 1999-09-03 2002-02-20 박종섭 모스 전계효과 트랜지스터를 이용한 정밀전파정류기
EP1655833A1 (en) * 2004-11-03 2006-05-10 Dialog Semiconductor GmbH Class B amplifier with process variation independent deadband
US9157646B2 (en) 2010-09-13 2015-10-13 Honeywell International Inc. Automatic changeover control for an HVAC system
US9551501B2 (en) 2013-03-15 2017-01-24 Honeywell International Inc. Multi-mode auto changeover system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519850A (en) * 1967-10-11 1970-07-07 Ibm Differential sense amplifier and detector circuit
US3568081A (en) * 1968-09-09 1971-03-02 Honeywell Inc Differential amplifier with predetermined deadband
US3673508A (en) * 1970-08-10 1972-06-27 Texas Instruments Inc Solid state operational amplifier

Also Published As

Publication number Publication date
JPS49132473A (enExample) 1974-12-19
US3825852A (en) 1974-07-23

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