GB1229333A - - Google Patents

Info

Publication number
GB1229333A
GB1229333A GB1229333DA GB1229333A GB 1229333 A GB1229333 A GB 1229333A GB 1229333D A GB1229333D A GB 1229333DA GB 1229333 A GB1229333 A GB 1229333A
Authority
GB
United Kingdom
Prior art keywords
cooling
heating
transistor
oscillator
peltier
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
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
Application filed filed Critical
Publication of GB1229333A publication Critical patent/GB1229333A/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
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/021—Control thereof
    • F25B2321/0212—Control thereof of electric power, current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Rectifiers (AREA)
  • Control Of Temperature (AREA)
  • Dc-Dc Converters (AREA)
GB1229333D 1967-05-26 1968-05-24 Expired GB1229333A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0110046 1967-05-26

Publications (1)

Publication Number Publication Date
GB1229333A true GB1229333A (https=) 1971-04-21

Family

ID=7529945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229333D Expired GB1229333A (https=) 1967-05-26 1968-05-24

Country Status (4)

Country Link
CH (1) CH472074A (https=)
DE (1) DE1551324B2 (https=)
FR (1) FR1567525A (https=)
GB (1) GB1229333A (https=)

Also Published As

Publication number Publication date
DE1551324B2 (de) 1971-08-19
CH472074A (de) 1969-04-30
DE1551324A1 (de) 1970-03-05
FR1567525A (https=) 1969-04-08

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees