AU565210B2 - Electronic temperature controller for aquariums - Google Patents

Electronic temperature controller for aquariums

Info

Publication number
AU565210B2
AU565210B2 AU26661/84A AU2666184A AU565210B2 AU 565210 B2 AU565210 B2 AU 565210B2 AU 26661/84 A AU26661/84 A AU 26661/84A AU 2666184 A AU2666184 A AU 2666184A AU 565210 B2 AU565210 B2 AU 565210B2
Authority
AU
Australia
Prior art keywords
aquariums
temperature controller
electronic temperature
electronic
controller
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.)
Ceased
Application number
AU26661/84A
Other versions
AU2666184A (en
Inventor
Wayne Douglas Parkes
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.)
THORN JOHN IMPORTS Pty Ltd
Original Assignee
THORN JOHN IMPORTS Pty Ltd
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 THORN JOHN IMPORTS Pty Ltd filed Critical THORN JOHN IMPORTS Pty Ltd
Priority to AU26661/84A priority Critical patent/AU565210B2/en
Publication of AU2666184A publication Critical patent/AU2666184A/en
Application granted granted Critical
Publication of AU565210B2 publication Critical patent/AU565210B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
    • 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
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
AU26661/84A 1983-04-08 1983-04-08 Electronic temperature controller for aquariums Ceased AU565210B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26661/84A AU565210B2 (en) 1983-04-08 1983-04-08 Electronic temperature controller for aquariums

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU26661/84A AU565210B2 (en) 1983-04-08 1983-04-08 Electronic temperature controller for aquariums
AUPF8801 1983-04-08

Publications (2)

Publication Number Publication Date
AU2666184A AU2666184A (en) 1984-10-11
AU565210B2 true AU565210B2 (en) 1987-09-10

Family

ID=3715163

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26661/84A Ceased AU565210B2 (en) 1983-04-08 1983-04-08 Electronic temperature controller for aquariums

Country Status (1)

Country Link
AU (1) AU565210B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379313A1 (en) * 1989-01-17 1990-07-25 Mars G.B. Limited Liquid heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379313A1 (en) * 1989-01-17 1990-07-25 Mars G.B. Limited Liquid heater

Also Published As

Publication number Publication date
AU2666184A (en) 1984-10-11

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