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GB2006999B - Precision speed switch control - Google Patents

Precision speed switch control

Info

Publication number
GB2006999B
GB2006999B GB7839326A GB7839326A GB2006999B GB 2006999 B GB2006999 B GB 2006999B GB 7839326 A GB7839326 A GB 7839326A GB 7839326 A GB7839326 A GB 7839326A GB 2006999 B GB2006999 B GB 2006999B
Authority
GB
United Kingdom
Prior art keywords
switch control
speed switch
precision speed
precision
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
GB7839326A
Other versions
GB2006999A (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.)
Woodward Controls Inc
Original Assignee
Woodward Controls 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
Priority claimed from US05/839,193 external-priority patent/US4168516A/en
Application filed by Woodward Controls Inc filed Critical Woodward Controls Inc
Publication of GB2006999A publication Critical patent/GB2006999A/en
Application granted granted Critical
Publication of GB2006999B publication Critical patent/GB2006999B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/46—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Transmission Device (AREA)
  • Electronic Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Direct Current Motors (AREA)
GB7839326A 1977-10-04 1978-10-04 Precision speed switch control Expired GB2006999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/839,193 US4168516A (en) 1976-11-26 1977-10-04 Precision speed switch control

Publications (2)

Publication Number Publication Date
GB2006999A GB2006999A (en) 1979-05-10
GB2006999B true GB2006999B (en) 1982-11-24

Family

ID=25279098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7839326A Expired GB2006999B (en) 1977-10-04 1978-10-04 Precision speed switch control

Country Status (4)

Country Link
CA (1) CA1096474A (en)
DE (1) DE2843278C2 (en)
FR (1) FR2405595A1 (en)
GB (1) GB2006999B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542468B1 (en) * 1983-03-10 1985-11-22 G G Electricite AMPLIFIER FOR POSITION SENSOR
WO2001060454A1 (en) * 2000-02-18 2001-08-23 Heartsine Technologies, Inc. A defibrillator
CN1792036A (en) 2003-05-15 2006-06-21 触摸传感器技术有限责任公司 Two wire touch sensor interface

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207950A (en) * 1962-10-15 1965-09-21 Eaton Mfg Co Control for electrical coupling apparatus
US3440433A (en) * 1966-05-19 1969-04-22 Bendix Corp Aircraft starter control
US3826985A (en) * 1971-06-04 1974-07-30 Motorola Inc Self-powered tachometer circuit
DE2135912A1 (en) * 1971-07-17 1973-03-22 Lestra Ag DEVICE FOR SCANNING SPEED VALUES IN MOTOR VEHICLES
US3845375A (en) * 1973-11-09 1974-10-29 Mclaughlin Ward & Co Electronic rotational sensor

Also Published As

Publication number Publication date
DE2843278C2 (en) 1983-01-13
GB2006999A (en) 1979-05-10
CA1096474A (en) 1981-02-24
FR2405595B1 (en) 1984-02-03
FR2405595A1 (en) 1979-05-04
DE2843278A1 (en) 1979-04-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)

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PCNP Patent ceased through non-payment of renewal fee