FI61778C - Automatisk straolstroembegraensare - Google Patents

Automatisk straolstroembegraensare Download PDF

Info

Publication number
FI61778C
FI61778C FI772429A FI772429A FI61778C FI 61778 C FI61778 C FI 61778C FI 772429 A FI772429 A FI 772429A FI 772429 A FI772429 A FI 772429A FI 61778 C FI61778 C FI 61778C
Authority
FI
Finland
Prior art keywords
transistor
voltage
current
control
diode
Prior art date
Application number
FI772429A
Other languages
English (en)
Finnish (fi)
Other versions
FI61778B (fi
FI772429A (fi
Inventor
Marvin Neil Norman
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of FI772429A publication Critical patent/FI772429A/fi
Publication of FI61778B publication Critical patent/FI61778B/fi
Application granted granted Critical
Publication of FI61778C publication Critical patent/FI61778C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
FI772429A 1976-08-19 1977-08-12 Automatisk straolstroembegraensare FI61778C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71586176 1976-08-19
US05/715,861 US4067048A (en) 1976-08-19 1976-08-19 Automatic beam current limiter

Publications (3)

Publication Number Publication Date
FI772429A FI772429A (fi) 1978-02-20
FI61778B FI61778B (fi) 1982-05-31
FI61778C true FI61778C (fi) 1982-09-10

Family

ID=24875777

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772429A FI61778C (fi) 1976-08-19 1977-08-12 Automatisk straolstroembegraensare

Country Status (10)

Country Link
US (1) US4067048A (sv)
JP (1) JPS5324722A (sv)
AT (1) AT379044B (sv)
AU (1) AU513756B2 (sv)
DE (1) DE2737552B2 (sv)
FI (1) FI61778C (sv)
FR (1) FR2362539A1 (sv)
GB (1) GB1585773A (sv)
IT (1) IT1086506B (sv)
SE (1) SE423663B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137552A (en) * 1977-05-05 1979-01-30 Rca Corporation Automatic beam current limiter with independently determined threshold level and dynamic control range
NL184657C (nl) * 1978-01-25 1989-09-18 Philips Nv Televisiebeeldweergeefinrichting.
US4167025A (en) * 1978-02-09 1979-09-04 Rca Corporation Automatic peak beam current limiter
US4207591A (en) * 1978-02-09 1980-06-10 Rca Corporation Gated automatic beam current limiter in a video signal processing system
US4253110A (en) * 1979-12-14 1981-02-24 Rca Corporation Automatic kinescope beam current limiter with sequential control modes
US4709262A (en) * 1985-04-12 1987-11-24 Hazeltine Corporation Color monitor with improved color accuracy and current sensor
US5177413A (en) * 1992-02-25 1993-01-05 Thomson Consumer Electronics, Inc. Arrangement for generating a beam current indicative signal
US5661376A (en) * 1995-04-27 1997-08-26 Thomson Consumer Electronics, Inc. Switching clamp
US6897901B2 (en) * 2001-03-14 2005-05-24 Koninklijke Philips Electronics N.V. Circuit for combining AKB and selective beam current limiting and projection television system utilizing same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619705A (en) * 1969-10-13 1971-11-09 Gte Sylvania Inc Automatic beam current limiter circuitry
DE2021037C3 (de) * 1970-04-24 1974-02-21 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Strahlstrombegrenzung in Fernsehbildröhren
US3674932A (en) * 1971-02-16 1972-07-04 Rca Corp Automatic beam current limiter
GB1400427A (en) * 1971-11-08 1975-07-16 Rca Corp Video signal processing apparatus
JPS5235489B2 (sv) * 1972-07-12 1977-09-09
DE2459836A1 (de) * 1974-12-18 1976-06-24 Licentia Gmbh Schaltung zur begrenzung des strahlstromes der bildroehre in einem fernsehempfaenger

Also Published As

Publication number Publication date
GB1585773A (en) 1981-03-11
DE2737552A1 (de) 1978-02-23
FI61778B (fi) 1982-05-31
JPS6112429B2 (sv) 1986-04-08
JPS5324722A (en) 1978-03-07
SE7709167L (sv) 1978-02-20
SE423663B (sv) 1982-05-17
DE2737552B2 (de) 1979-11-08
IT1086506B (it) 1985-05-28
ATA603877A (de) 1985-03-15
FR2362539B1 (sv) 1984-05-04
FR2362539A1 (fr) 1978-03-17
US4067048A (en) 1978-01-03
AT379044B (de) 1985-11-11
AU513756B2 (en) 1980-12-18
AU2788377A (en) 1979-02-22
FI772429A (fi) 1978-02-20

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: RCA LICENSING CORPORATION