GB8713655D0 - Control systems - Google Patents

Control systems

Info

Publication number
GB8713655D0
GB8713655D0 GB878713655A GB8713655A GB8713655D0 GB 8713655 D0 GB8713655 D0 GB 8713655D0 GB 878713655 A GB878713655 A GB 878713655A GB 8713655 A GB8713655 A GB 8713655A GB 8713655 D0 GB8713655 D0 GB 8713655D0
Authority
GB
United Kingdom
Prior art keywords
control systems
systems
control
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.)
Withdrawn
Application number
GB878713655A
Other versions
GB2206249A (en
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.)
Formula Systems Ltd
Original Assignee
Formula Systems 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 Formula Systems Ltd filed Critical Formula Systems Ltd
Priority to GB08713655A priority Critical patent/GB2206249A/en
Publication of GB8713655D0 publication Critical patent/GB8713655D0/en
Priority to PCT/GB1988/000452 priority patent/WO1988010029A1/en
Priority to EP19880904995 priority patent/EP0310663A1/en
Priority to AU19447/88A priority patent/AU1944788A/en
Publication of GB2206249A publication Critical patent/GB2206249A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06Modifications for ensuring a fully conducting state
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/13Modifications for switching at zero crossing
    • H03K17/136Modifications for switching at zero crossing in thyristor switches
GB08713655A 1987-06-11 1987-06-11 Control systems and methods for controlling semiconducter switching devices Withdrawn GB2206249A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08713655A GB2206249A (en) 1987-06-11 1987-06-11 Control systems and methods for controlling semiconducter switching devices
PCT/GB1988/000452 WO1988010029A1 (en) 1987-06-11 1988-06-10 Control systems and methods for controlling controlled semiconductor switching devices
EP19880904995 EP0310663A1 (en) 1987-06-11 1988-06-10 Control systems and methods for controlling controlled semiconductor switching devices
AU19447/88A AU1944788A (en) 1987-06-11 1988-06-10 Control systems and methods for controlling controlled semiconductor switching devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08713655A GB2206249A (en) 1987-06-11 1987-06-11 Control systems and methods for controlling semiconducter switching devices

Publications (2)

Publication Number Publication Date
GB8713655D0 true GB8713655D0 (en) 1987-07-15
GB2206249A GB2206249A (en) 1988-12-29

Family

ID=10618741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08713655A Withdrawn GB2206249A (en) 1987-06-11 1987-06-11 Control systems and methods for controlling semiconducter switching devices

Country Status (4)

Country Link
EP (1) EP0310663A1 (en)
AU (1) AU1944788A (en)
GB (1) GB2206249A (en)
WO (1) WO1988010029A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020414A1 (en) * 2005-04-27 2006-11-09 Kurz, Gerhard Phase control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381226A (en) * 1965-05-18 1968-04-30 Gen Electric Zero crossing synchronous switching circuits for power semiconductors
US3486038A (en) * 1968-04-04 1969-12-23 Westinghouse Electric Corp Electrical control circuits
US3723769A (en) * 1971-11-01 1973-03-27 Int Rectifier Corp Solid state relay circuit with optical isolation and zero-cross firing
FR2192749A5 (en) * 1972-07-10 1974-02-08 Merlin Gerin
GB2072962B (en) * 1980-03-24 1983-11-30 Eaton Williams Group Ltd Triac triggering circuit
DE3037794C2 (en) * 1980-10-07 1982-11-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Zero voltage switch

Also Published As

Publication number Publication date
WO1988010029A1 (en) 1988-12-15
GB2206249A (en) 1988-12-29
EP0310663A1 (en) 1989-04-12
AU1944788A (en) 1989-01-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)