NO750838L - - Google Patents

Info

Publication number
NO750838L
NO750838L NO750838A NO750838A NO750838L NO 750838 L NO750838 L NO 750838L NO 750838 A NO750838 A NO 750838A NO 750838 A NO750838 A NO 750838A NO 750838 L NO750838 L NO 750838L
Authority
NO
Norway
Prior art keywords
output
programmable unijunction
potential difference
unijunction transistor
input
Prior art date
Application number
NO750838A
Other languages
English (en)
Norwegian (no)
Inventor
R G Nettles
Original Assignee
Johnson Service Co
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 Johnson Service Co filed Critical Johnson Service Co
Publication of NO750838L publication Critical patent/NO750838L/no

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2409Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors
    • H03K5/2418Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors with at least one differential stage
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B1/00Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
    • G05B1/01Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
    • G05B1/02Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing analogue signals
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/18Control of position or direction using feedback using an analogue comparing device delivering a series of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Nonlinear Science (AREA)
  • Control Of Ac Motors In General (AREA)
  • Feedback Control In General (AREA)
  • Stopping Of Electric Motors (AREA)
  • Air Conditioning Control Device (AREA)
  • Manipulation Of Pulses (AREA)
  • Control Of Position Or Direction (AREA)
NO750838A 1974-03-14 1975-03-12 NO750838L (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/451,108 US3978387A (en) 1974-03-14 1974-03-14 Analog signal comparator

Publications (1)

Publication Number Publication Date
NO750838L true NO750838L (fr) 1975-09-16

Family

ID=23790836

Family Applications (1)

Application Number Title Priority Date Filing Date
NO750838A NO750838L (fr) 1974-03-14 1975-03-12

Country Status (12)

Country Link
US (1) US3978387A (fr)
JP (1) JPS50128438A (fr)
BE (1) BE826142A (fr)
CA (1) CA1031817A (fr)
DE (1) DE2507097A1 (fr)
DK (1) DK104675A (fr)
FR (1) FR2264320A1 (fr)
GB (1) GB1463644A (fr)
IT (1) IT1032310B (fr)
NL (1) NL7502266A (fr)
NO (1) NO750838L (fr)
SE (1) SE398562B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57199482A (en) * 1981-05-30 1982-12-07 Diesel Kiki Co Ltd Drive circuit for motor for car
ZA83672B (en) * 1982-02-19 1983-10-26 Int Standard Electric Corp Electric drive arrangement
US5793174A (en) * 1996-09-06 1998-08-11 Hunter Douglas Inc. Electrically powered window covering assembly
CN112344603B (zh) * 2020-10-27 2021-11-05 珠海格力电器股份有限公司 电子膨胀阀的控制电路及控制方法、空调器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260912A (en) * 1963-06-19 1966-07-12 Gen Motors Corp Power amplifier employing pulse duration modulation
US3478254A (en) * 1966-06-01 1969-11-11 Sperry Rand Corp Apparatus for controlling the automatic positioning of a driven member
US3652913A (en) * 1970-07-01 1972-03-28 George M Holley Jr Control system including common mode feedback
US3686557A (en) * 1970-08-26 1972-08-22 Fischer & Porter Co Floating-type electronic servo-motor process controller
US3742327A (en) * 1971-01-15 1973-06-26 Johnson Service Co Proportional motor actuator circuit
US3890550A (en) * 1971-05-28 1975-06-17 Canon Kk Differential amplifier circuit for servo system
US3806787A (en) * 1973-08-20 1974-04-23 Gen Electric Circuit for generating a voltage proportional to motor armature current

Also Published As

Publication number Publication date
NL7502266A (nl) 1975-09-16
IT1032310B (it) 1979-05-30
CA1031817A (fr) 1978-05-23
JPS50128438A (fr) 1975-10-09
BE826142A (fr) 1975-06-16
DE2507097A1 (de) 1975-11-06
SE398562B (sv) 1977-12-27
GB1463644A (en) 1977-02-02
US3978387A (en) 1976-08-31
DK104675A (fr) 1975-09-15
SE7502831L (fr) 1975-09-15
FR2264320A1 (fr) 1975-10-10

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