FI75246B - Kopplingsregulator foer televisionsanordning. - Google Patents

Kopplingsregulator foer televisionsanordning. Download PDF

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Publication number
FI75246B
FI75246B FI792717A FI792717A FI75246B FI 75246 B FI75246 B FI 75246B FI 792717 A FI792717 A FI 792717A FI 792717 A FI792717 A FI 792717A FI 75246 B FI75246 B FI 75246B
Authority
FI
Finland
Prior art keywords
voltage
current
scr
deflection
winding
Prior art date
Application number
FI792717A
Other languages
English (en)
Finnish (fi)
Other versions
FI792717A7 (fi
FI75246C (sv
Inventor
Donald Henry Willis
James Edward Hicks
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
Priority claimed from US05/940,286 external-priority patent/US4163926A/en
Priority claimed from US05/957,221 external-priority patent/US4190791A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of FI792717A7 publication Critical patent/FI792717A7/fi
Application granted granted Critical
Publication of FI75246B publication Critical patent/FI75246B/fi
Publication of FI75246C publication Critical patent/FI75246C/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16Scanning 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
    • H04N3/22Circuits for controlling dimensions, shape or centering of picture on screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16Scanning 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K4/00Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
    • H03K4/62Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16Scanning 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
    • H04N3/18Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185Maintaining DC voltage constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Dc-Dc Converters (AREA)

Claims (2)

1. Kopplingsregulator för televisionsapparat och omfattande en reglerbar tyristoromkopplare (12; 214; 314; 414), en upplagrings-induktor (16; 216; 316; 416; 17), en kommuteringslidning (20b; 220b; 320b; 420b; 16b) en horisontell avlänkningsgenerator, som inkluderar en högspänningsgenerator som en belastning för bildrör, varvid nämnda elementer bildar en krets som kopplats till en kalla för en oregler-bar likspänning för tillhandahctllande av en strömbana för ökande strömmen i upplagringsinduktorn under de tidsintervaller som tyris-toromkopplaren är ledande, varvid tili tyristoromkopplarens huvud-strömbana mätäs horisontell avlänkningssignaler via kommuterings-lidningen som kopplats tili en horisontelltransformator av nämnda avlänkningsgeneratorn för att reglera tiden dä nämnda omkopplare blir oledande, varvid kopplingsregulatorn vidare omfattar en upp-lagringskondensator (18; 218; 318; 418) kopplad tili kopplingsregulatorn och avlänkningsgeneratorn för filtrering av strömmen i upplagringsinduktorn för bildande av en drivspänning för avlänkningsgeneratorn, en styrkrets (36, 40) kopplad tili avlänkningsgeneratorn och till en grind av tyristoromkopplaren för att reglera tiden dä tyristoromkopplaren blir ledande för styrande av medeltalet av ökande och avtagande strömmar i upplagringsinduktorn och därvid sty-ra nämnda drivsspänning pä äterkopplingssätt, känneteck-n a d av en kombination, där en diod (24; 224; 324; 424; 342; 442) som pä i och för sig känt sätt kopplats tili utgängen av tyristoromkopplaren (12; 214; 314; 414) och understöder en medelst komrau-teringspulser bildad kommuteringsspänning, sä att densamma till-sammans med kommuteringslidningen (20b; 220b; 320b; 420b; 16b) bildar nämnda huvudströmbanas förspänning i bakriktningen, vilken be-hövs för att snabbt ästadkommas tyristoromkopplaren oledande före nagon väsentlig avtagning av strömmen i upplagringsinduktorn (16; 216; 316; 416; 17).
2. Regulator enligt patentkravet 1, varvid nämnda avlänkningsgenerator inkluderar en avlänkningsbrytare, och en första lindning (16a), en avlänkningslindning (29) och ätergängskondensatormedel (35) kopplade nämnda avlänkningsbrytare för tillhandahällande av en bana för avlänkningsströmmen under äterkommande avsöknings-ätergängsinter-valler, varvid nämnda ätergängstider är beroende av induktansen paral-lella med kondensatormedel; varvid regulator vidare innefattar en
FI792717A 1978-09-07 1979-08-31 Kopplingsregulator för televisionsanordning. FI75246C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/940,286 US4163926A (en) 1978-09-07 1978-09-07 Switching regulator for a television apparatus
US94028678 1978-09-07
US05/957,221 US4190791A (en) 1978-11-02 1978-11-02 Switching regulator for television deflection circuit with improved ultor voltage regulation
US95722178 1978-11-02

Publications (3)

Publication Number Publication Date
FI792717A7 FI792717A7 (fi) 1980-03-08
FI75246B true FI75246B (fi) 1988-01-29
FI75246C FI75246C (sv) 1988-05-09

Family

ID=27130132

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792717A FI75246C (sv) 1978-09-07 1979-08-31 Kopplingsregulator för televisionsanordning.

Country Status (9)

Country Link
KR (1) KR840000342B1 (sv)
AT (1) AT387119B (sv)
AU (1) AU522317B2 (sv)
DE (1) DE2936232C2 (sv)
FI (1) FI75246C (sv)
FR (1) FR2435872A1 (sv)
GB (1) GB2031679B (sv)
IT (1) IT1193320B (sv)
NZ (1) NZ191493A (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321514A (en) * 1980-11-07 1982-03-23 Rca Corporation Commutated SCR regulator for a horizontal deflection circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517253A (en) * 1968-05-22 1970-06-23 Rca Corp Voltage regulator
GB1431043A (en) * 1972-04-05 1976-04-07 Rca Corp Boosted voltage source in a deflection system
US3970780A (en) * 1972-10-04 1976-07-20 Sharp Kabushiki Kaisha Constant-voltage power supply
NL7405726A (nl) * 1974-04-29 1975-10-31 Philips Nv Schakelinrichting in een televisie-ontvanger, voorzien van een lijnafbuigschakeling en van een geschakelde voedingsspanningsschakeling.
NL7504002A (nl) * 1975-04-04 1976-10-06 Philips Nv Schakeling voor het opwekken van een afbuig- stroom.
DK154576A (da) * 1975-06-18 1976-12-19 Siemens Ag Netenhed til datavisningsapparater
GB1555858A (en) * 1976-11-23 1979-11-14 Rca Corp Regulation system for deflection apparatus

Also Published As

Publication number Publication date
DE2936232A1 (de) 1980-03-20
FI792717A7 (fi) 1980-03-08
FR2435872B1 (sv) 1983-09-23
GB2031679B (en) 1982-12-08
NZ191493A (en) 1983-02-15
IT7925479A0 (it) 1979-09-04
KR830002463A (ko) 1983-05-28
IT1193320B (it) 1988-06-15
FR2435872A1 (fr) 1980-04-04
FI75246C (sv) 1988-05-09
ATA592079A (de) 1988-04-15
AU5046779A (en) 1980-03-13
KR840000342B1 (ko) 1984-03-19
AT387119B (de) 1988-12-12
GB2031679A (en) 1980-04-23
DE2936232C2 (de) 1986-11-27
AU522317B2 (en) 1982-05-27

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Legal Events

Date Code Title Description
MM Patent lapsed
BB Publication of examined application
MM Patent lapsed

Owner name: RCA LICENSING CORPORATION