GB1302760A - - Google Patents

Info

Publication number
GB1302760A
GB1302760A GB1885270A GB1885270A GB1302760A GB 1302760 A GB1302760 A GB 1302760A GB 1885270 A GB1885270 A GB 1885270A GB 1885270 A GB1885270 A GB 1885270A GB 1302760 A GB1302760 A GB 1302760A
Authority
GB
United Kingdom
Prior art keywords
during
heater
negative half
half cycle
thyristor
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
GB1885270A
Other languages
English (en)
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 JP44032423A external-priority patent/JPS4925975B1/ja
Priority claimed from JP4343569A external-priority patent/JPS4949589B1/ja
Application filed filed Critical
Publication of GB1302760A publication Critical patent/GB1302760A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
GB1885270A 1969-04-22 1970-04-20 Expired GB1302760A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP44032423A JPS4925975B1 (de) 1969-04-22 1969-04-22
JP4343569A JPS4949589B1 (de) 1969-05-27 1969-05-27

Publications (1)

Publication Number Publication Date
GB1302760A true GB1302760A (de) 1973-01-10

Family

ID=26370989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1885270A Expired GB1302760A (de) 1969-04-22 1970-04-20

Country Status (4)

Country Link
DE (1) DE2018896C3 (de)
FR (1) FR2044736A1 (de)
GB (1) GB1302760A (de)
NL (1) NL150591B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289551A (en) * 1994-05-18 1995-11-22 Marcus John Milner Blackburn Method of electrical heating control

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1601126A (en) * 1977-10-11 1981-10-28 Dreamland Electrical Appliance Heating circuits
JPS54138978A (en) * 1978-04-20 1979-10-27 Matsushita Electric Ind Co Ltd Temperature controller
JPS5541632A (en) * 1978-09-15 1980-03-24 Matsushita Electric Works Ltd Plane heater temperature control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289551A (en) * 1994-05-18 1995-11-22 Marcus John Milner Blackburn Method of electrical heating control

Also Published As

Publication number Publication date
FR2044736A1 (de) 1971-02-26
DE2018896C3 (de) 1975-02-20
DE2018896A1 (de) 1970-11-05
NL150591B (nl) 1976-08-16
NL7005736A (de) 1970-10-26
DE2018896B2 (de) 1974-06-27

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years