ZA731338B - Safety interlock system for microwave ovens - Google Patents

Safety interlock system for microwave ovens

Info

Publication number
ZA731338B
ZA731338B ZA731338A ZA731338A ZA731338B ZA 731338 B ZA731338 B ZA 731338B ZA 731338 A ZA731338 A ZA 731338A ZA 731338 A ZA731338 A ZA 731338A ZA 731338 B ZA731338 B ZA 731338B
Authority
ZA
South Africa
Prior art keywords
microwave ovens
interlock system
safety interlock
safety
ovens
Prior art date
Application number
ZA731338A
Inventor
R Fritts
Original Assignee
Amana Refrigeration 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
Application filed by Amana Refrigeration Inc filed Critical Amana Refrigeration Inc
Publication of ZA731338B publication Critical patent/ZA731338B/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus
    • H05B6/6417—Door interlocks of the microwave heating apparatus and related circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
ZA731338A 1972-04-03 1973-02-26 Safety interlock system for microwave ovens ZA731338B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24062672A 1972-04-03 1972-04-03

Publications (1)

Publication Number Publication Date
ZA731338B true ZA731338B (en) 1973-12-19

Family

ID=22907280

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA731338A ZA731338B (en) 1972-04-03 1973-02-26 Safety interlock system for microwave ovens

Country Status (11)

Country Link
US (1) US3766437A (en)
JP (1) JPS4915040A (en)
AU (1) AU476734B2 (en)
BE (1) BE797670A (en)
CA (1) CA995309A (en)
CH (1) CH571687A5 (en)
DK (1) DK138620B (en)
FR (1) FR2178942B1 (en)
GB (1) GB1407306A (en)
NL (1) NL7304194A (en)
ZA (1) ZA731338B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829809A (en) * 1973-03-26 1974-08-13 Micro Devices Corp Thermal limiter construction and electrical switch and system utilizing the same
JPS5339883Y2 (en) * 1974-04-27 1978-09-27
JPS5344066B2 (en) * 1974-05-27 1978-11-25
US3959984A (en) * 1974-11-29 1976-06-01 Lennox Industries Inc. Motor protection apparatus using fusible links
SE391391B (en) * 1975-06-12 1977-02-14 Philips Svenska Ab MICROWAVE SAFETY DEVICE INCLUDING AN POWER SWITCH CONTROLLED BY THE OVEN DOOR
US4101750A (en) * 1977-05-31 1978-07-18 Whirlpool Corporation Door interlock system for microwave oven
JPS549037A (en) * 1977-06-22 1979-01-23 Toshiba Corp Output contoller circuit for electronic range
EP0186104B1 (en) * 1984-12-20 1991-07-10 Matsushita Electric Industrial Co., Ltd. Microwave heating oven
WO1988002565A1 (en) * 1986-09-29 1988-04-07 Black & Decker Inc. Non-isolated thermally responsive battery charger
FR2630613B1 (en) * 1988-04-21 1992-06-19 Moulinex Sa MICROWAVE OVEN
JPH06187556A (en) * 1992-10-22 1994-07-08 Fuji Electric Co Ltd Automatic vending machine and its door switch device
JP3288234B2 (en) * 1996-11-29 2002-06-04 株式会社東芝 Cooking device
KR101710401B1 (en) * 2015-03-11 2017-02-27 엘지전자 주식회사 cooking appliance and a control method of the same
CN106856321B (en) * 2015-12-08 2019-11-05 太琦科技股份有限公司 Bathing safety control system and bathing safety control method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718630A (en) * 1954-08-18 1955-09-20 Norman Bauch Automatic door locking mechanism with delayed alarm means for dispensing machines
US2855235A (en) * 1956-07-06 1958-10-07 Koutesy Kontrol Company Door lock assembly for rest room control apparatus
US3321604A (en) * 1964-02-03 1967-05-23 Sunbeam Corp Electronic oven
DE2017422C3 (en) * 1970-04-11 1979-12-06 Arburg Maschinenfabrik Hehl & Soehne, 7291 Lossburg Automatic safety circuit for monitoring the power switching element of an electrical power consumer
US3656023A (en) * 1970-09-21 1972-04-11 Joseph M Hadfield Protective circuit
US3699300A (en) * 1971-11-30 1972-10-17 Norris Industries System for detecting safety switch failure

Also Published As

Publication number Publication date
US3766437A (en) 1973-10-16
JPS4915040A (en) 1974-02-09
DK138620B (en) 1978-10-02
DE2315276B2 (en) 1976-09-30
GB1407306A (en) 1975-09-24
CA995309A (en) 1976-08-17
CH571687A5 (en) 1976-01-15
BE797670A (en) 1973-07-31
NL7304194A (en) 1973-10-05
AU476734B2 (en) 1976-09-30
AU5263573A (en) 1974-08-29
FR2178942B1 (en) 1976-05-21
DE2315276A1 (en) 1973-10-18
FR2178942A1 (en) 1973-11-16
DK138620C (en) 1979-04-09

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