GB2279188B - CRT display scan protection circuit - Google Patents

CRT display scan protection circuit

Info

Publication number
GB2279188B
GB2279188B GB9312273A GB9312273A GB2279188B GB 2279188 B GB2279188 B GB 2279188B GB 9312273 A GB9312273 A GB 9312273A GB 9312273 A GB9312273 A GB 9312273A GB 2279188 B GB2279188 B GB 2279188B
Authority
GB
United Kingdom
Prior art keywords
protection circuit
crt display
display scan
scan protection
crt
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 - Fee Related
Application number
GB9312273A
Other versions
GB9312273D0 (en
GB2279188A (en
Inventor
Frederick Samuel Jackson
David Leaver
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB9312273A priority Critical patent/GB2279188B/en
Publication of GB9312273D0 publication Critical patent/GB9312273D0/en
Publication of GB2279188A publication Critical patent/GB2279188A/en
Application granted granted Critical
Publication of GB2279188B publication Critical patent/GB2279188B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
    • H03K17/08126—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in bipolar transitor switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/27—Circuits special to multi-standard receivers
GB9312273A 1993-06-15 1993-06-15 CRT display scan protection circuit Expired - Fee Related GB2279188B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9312273A GB2279188B (en) 1993-06-15 1993-06-15 CRT display scan protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9312273A GB2279188B (en) 1993-06-15 1993-06-15 CRT display scan protection circuit

Publications (3)

Publication Number Publication Date
GB9312273D0 GB9312273D0 (en) 1993-07-28
GB2279188A GB2279188A (en) 1994-12-21
GB2279188B true GB2279188B (en) 1996-08-14

Family

ID=10737155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9312273A Expired - Fee Related GB2279188B (en) 1993-06-15 1993-06-15 CRT display scan protection circuit

Country Status (1)

Country Link
GB (1) GB2279188B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849021A (en) * 2017-03-17 2017-06-13 深圳市禾望电气股份有限公司 Semiconductor switch over-current detecting method and current transformer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277730A (en) * 1978-07-26 1981-07-07 Sgs-Ates Componenti Elettronici S.P.A Voltage limiter for flyback generator of television sweep system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277730A (en) * 1978-07-26 1981-07-07 Sgs-Ates Componenti Elettronici S.P.A Voltage limiter for flyback generator of television sweep system

Also Published As

Publication number Publication date
GB9312273D0 (en) 1993-07-28
GB2279188A (en) 1994-12-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970615