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DE2458126A1 - VERTICAL DEFLECTION FOR TELEVISION RECEIVER - Google Patents

VERTICAL DEFLECTION FOR TELEVISION RECEIVER

Info

Publication number
DE2458126A1
DE2458126A1 DE19742458126 DE2458126A DE2458126A1 DE 2458126 A1 DE2458126 A1 DE 2458126A1 DE 19742458126 DE19742458126 DE 19742458126 DE 2458126 A DE2458126 A DE 2458126A DE 2458126 A1 DE2458126 A1 DE 2458126A1
Authority
DE
Germany
Prior art keywords
deflection
resistor
series
sawtooth
circuit
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.)
Granted
Application number
DE19742458126
Other languages
German (de)
Other versions
DE2458126C2 (en
Inventor
Hans-Dietrich Rosenthal
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.)
Alcatel Lucent Deutschland AG
Original Assignee
Graetz GmbH and Co OHG
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 Graetz GmbH and Co OHG filed Critical Graetz GmbH and Co OHG
Priority to DE19742458126 priority Critical patent/DE2458126C2/en
Priority to AT897075A priority patent/AT352799B/en
Priority to AU87072/75A priority patent/AU8707275A/en
Priority to IT2985075A priority patent/IT1051771B/en
Priority to GB4981775A priority patent/GB1500833A/en
Priority to NL7514185A priority patent/NL7514185A/en
Priority to FR7537562A priority patent/FR2294599A1/en
Priority to BE2054705A priority patent/BE836411A/en
Publication of DE2458126A1 publication Critical patent/DE2458126A1/en
Application granted granted Critical
Publication of DE2458126C2 publication Critical patent/DE2458126C2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60—Generating 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
    • H03K4/69—Generating 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 an amplifier
    • H03K4/693—Generating 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 an amplifier operating in push-pull, e.g. class B
    • 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
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)

Description

609824/0578609824/0578

H. Rosenthal-2H. Rosenthal-2

Verwendete BezugszeichenReference symbols used

DeutschGerman Eingangentry 1818th 11 SägezahngeneratorSawtooth generator 22 Fußpunktanschluß des
SägezahngeneratorsBase connection of the
Sawtooth generator 33 Fußpunktanschluß des
SägezahnverzerrersBase connection of the
Sawtooth distortion 44th SägeζahnverzerrerSaw tooth distortion 55 KoppelkondensatorCoupling capacitor 66th Widerstandresistance 7, 87, 8 Ablenkverstärker, VertiDeflection amplifier, verti 99 kalablenkverstärkercalabash amplifiers Eingang von 9Entrance from 9 1010 invertierender Eingang
von 9inverting input
from 9 1111 Ausgang von 9Exit from 9 1212th AnschlußConnection 1313th MasseanschlußGround connection 1414th AblenkspulenDeflection coils 1515th S erienwi ders tand, strom-
k ontrο1lierender
WiderstandS erial resistance, electricity
more contemplative
resistance 1616 TastimpulsKey pulse 1717th SägeζahnspannungsverlaufSaw tooth tension curve 1818th verzerrter Kurvenlauf vondistorted curve of 1919th Koppelkondens atorCoupling condenser 20, 2220, 22 Widerstandresistance 21, 2421, 24 SerienwiderstandSeries resistance 2323 Pfeilarrow 2525th Diodediode 2626th Widerstandresistance 2727 Kondensatorcapacitor 2828

01-8-81201-8-812

609824/0578609824/0578

H. Rosenthai-2H. rose thai-2

Verwendete BezugszeichenReference symbols used

DeutschGerman

konstconst

U t JU t J

konstanter Stromconstant current

Säge ζ ahnspannungSaw tension

ZeitachseTimeline

AblenkstromDeflection current

01-8-81201-8-812

609824/057609824/057

Lee A. Lee A.

rseirerseire

Claims (5)

H. Rosenthai-2 - 9 -H. Rosenthai-2 - 9 - P atentänsprüchePatent claims \\J Vertikalablenkschaltung für Fernsehempfänger, die eine Schaltung zur Erzeugung einer Sägezahnspannung, einer Sägezahnkorrekturschaltung, einen überwiegend aus einer positiven oder negativen Versorgungsspannung betriebenen Vertikalablenkverstärker und Ablenkstromkreis und einen Koppelkondensator in Serie zu den Ablenkspulen zur Trennung der Ausgangsgleichspannung des Vertikalablenkverstärkers vom Ablenkstromkreis sowie eine Gegenkopplung für den Ablenkstrom aufweist, dadurch gekennzeichnet, daß der den Ablenkstrom kontrollierende Widerstand (16) (ohne Trennung von dem Ausgangsgleichspannungsanteil des Ablenkverstärkers 9) mit den Ablenkspulen (15) in Serie geschaltet ist und erst anschließend auf diesen Widerstand (16) der gegen Masse geschaltete Koppelkondensator (20) folgt, daß ferner der stromkontrollierte und der den Arbeitspunkt des Vertikalablenkverstärkers (9) stabilisierende, dem invertierenden Eingang (11) des Vertikalablenkverstärkers (9) zugeführte Gegenkopplungsweg vom Verbindungspunkt des in Serie mit den Ablenkspulen (15) geschalteten stromkontrollierenden Widerstandes (16) abgezweigt ist, und daß zur Überlagerung der Sägezahnspannung am Eingang (10) des Vertikalablenkverstärkers (9) mit einer Parabelspannung der zwischen dem (Serien) Widerstand (16) und dem Koppelkondensator (20) liegende Verbindungspunkt mit den Fußpunkten des Sägezahngenerators (2) und des Sägezahnverzerrers bzw. der Sägezahnkorrekturschaltung (5) verbunden ist. \\ J Vertical deflection circuit for television receivers, which has a circuit for generating a sawtooth voltage, a sawtooth correction circuit, a vertical deflection amplifier and deflection circuit operated predominantly from a positive or negative supply voltage and a coupling capacitor in series with the deflection coils to separate the output DC voltage of the vertical deflection amplifier from the deflection circuit as well as a negative feedback for having the deflection current, characterized in that the resistor (16) controlling the deflection current (without separation from the output DC voltage component of the deflection amplifier 9) is connected in series with the deflection coils (15) and only then is the coupling capacitor connected to ground to this resistor (16) (20) it follows that furthermore the current-controlled and the negative feedback path from the V. connection point of the current-controlling resistor (16) connected in series with the deflection coils (15) is branched off, and that to superimpose the sawtooth voltage at the input (10) of the vertical deflection amplifier (9) with a parabolic voltage between the (series) resistor (16) and the Coupling capacitor (20) lying connection point is connected to the base points of the sawtooth generator (2) and the sawtooth distortion or the sawtooth correction circuit (5). 2. Schaltung nach Anspruch 1, dadurch gekennzeichnet, daß der den Ablenkstrom kontrollierende Widerstand (16) unmittelbar galvanisch mit den Ablenkspulen (15) in Reihe geschaltet ist.2. A circuit according to claim 1, characterized in that the resistor (16) controlling the deflection current is connected directly galvanically in series with the deflection coils (15). 609824/0578609824/0578 H. Rosenthal-2 - 10 -H. Rosenthal-2 - 10 - 3. Schaltung nach Anspruch 1, dadurch gekennzeichnet, daß zwischen die Ablenkspulen (15) oder zwischen die Ablenkspulen (15) und dem den Ablenkstrom kontrollierenden Widerstand (16) eine Induktivität zur Nord/Süd-Rasterentzerrung geschaltet ist.3. A circuit according to claim 1, characterized in that between the deflection coils (15) or between the deflection coils (15) and the resistor (16) which controls the deflection current, an inductance for north / south raster equalization is switched. 4. Schaltung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Koppelkondensator (20) über einen weiteren Serienwiderstand (2 4) gegen Masse geschaltet ist.4. Circuit according to one of the preceding claims, characterized in that the coupling capacitor (20) is connected to ground via a further series resistor (2 4). 5. Schaltung nach Anspruch 4, dadurch gekennzeichnet, daß zwischen dem Koppelkondensator (20) und dem weiteren Serienwiderstand (2 4) ein Ausgang für eine gleichspannungspotentialfreie Sägezahnspannung vorgesehen ist.5. A circuit according to claim 4, characterized in that between the coupling capacitor (20) and the further Series resistor (2 4) an output for a DC potential-free Sawtooth voltage is provided. 4. Dezember 19 74
str/mü4th December 19 74
str / mü
DE19742458126 1974-12-09 1974-12-09 Vertical deflection circuit for television receivers Expired DE2458126C2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE19742458126 DE2458126C2 (en) 1974-12-09 1974-12-09 Vertical deflection circuit for television receivers
AT897075A AT352799B (en) 1974-12-09 1975-11-26 VERTICAL DEFLECTION FOR TELEVISION RECEIVER
AU87072/75A AU8707275A (en) 1974-12-09 1975-11-28 Vertical deflection circuit
IT2985075A IT1051771B (en) 1974-12-09 1975-12-01 VERTICAL DEFLECTION CIRCUIT FOR TELEVISION RECEIVERS
GB4981775A GB1500833A (en) 1974-12-09 1975-12-04 Tv deflection circuit arrangement
NL7514185A NL7514185A (en) 1974-12-09 1975-12-05 VERTICAL DEFLECTIVE SWITCH FOR A TELEVISION RECEIVER.
FR7537562A FR2294599A1 (en) 1974-12-09 1975-12-09 VERTICAL DEVIATION CIRCUIT FOR TELEVISION RECEIVERS
BE2054705A BE836411A (en) 1974-12-09 1975-12-09 VERTICAL DEFLECTION FOR A TELEVISE RECEIVER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742458126 DE2458126C2 (en) 1974-12-09 1974-12-09 Vertical deflection circuit for television receivers

Publications (2)

Publication Number Publication Date
DE2458126A1 true DE2458126A1 (en) 1976-06-10
DE2458126C2 DE2458126C2 (en) 1984-06-07

Family

ID=5932920

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742458126 Expired DE2458126C2 (en) 1974-12-09 1974-12-09 Vertical deflection circuit for television receivers

Country Status (8)

Country Link
AT (1) AT352799B (en)
AU (1) AU8707275A (en)
BE (1) BE836411A (en)
DE (1) DE2458126C2 (en)
FR (1) FR2294599A1 (en)
GB (1) GB1500833A (en)
IT (1) IT1051771B (en)
NL (1) NL7514185A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331256A (en) * 1991-12-26 1994-07-19 Hitachi, Ltd. Focus yoke, electromagnetically focused CRT display with the focus yoke, and negative feedback circuit with stray-capacitor-cancellation means used for the CRT display or the like

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743352A1 (en) * 1987-12-21 1989-07-06 Electronic Werke Deutschland Pulsed vertical deflection circuit for a television receiver

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289098B (en) * 1966-08-09 1969-02-13 Telefunken Patent Deflection circuit with a final transistor
DE2240497A1 (en) * 1972-08-17 1974-02-21 Texas Instruments Deutschland VERTICAL DEFLECTION FOR TELEVISION RECEIVER

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1158142A (en) * 1965-04-26 1969-07-16 Automatic Information Data Ser Transistorized Time Base, Especially For Television Cameras, Monitors And Receivers
US3784857A (en) * 1972-08-16 1974-01-08 Rca Corp Television deflection circuit with low power requirement
NL7216764A (en) * 1972-12-09 1974-06-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289098B (en) * 1966-08-09 1969-02-13 Telefunken Patent Deflection circuit with a final transistor
DE2240497A1 (en) * 1972-08-17 1974-02-21 Texas Instruments Deutschland VERTICAL DEFLECTION FOR TELEVISION RECEIVER

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Schaltbild Grundig Farbfernsehgerät Color 5000/5000 TD vom 31. August 1970 mit Händlerkatalog 70/71 *
Schaltbild Grundig Farbfernsehgerät Super Color 6062 u.a. vom 19. Juni 1974 mit Händler- katalog 74/75 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331256A (en) * 1991-12-26 1994-07-19 Hitachi, Ltd. Focus yoke, electromagnetically focused CRT display with the focus yoke, and negative feedback circuit with stray-capacitor-cancellation means used for the CRT display or the like

Also Published As

Publication number Publication date
FR2294599A1 (en) 1976-07-09
DE2458126C2 (en) 1984-06-07
AU8707275A (en) 1977-06-02
NL7514185A (en) 1976-06-11
BE836411A (en) 1976-06-09
IT1051771B (en) 1981-05-20
GB1500833A (en) 1978-02-15
ATA897075A (en) 1979-03-15
AT352799B (en) 1979-10-10

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8327 Change in the person/name/address of the patent owner

Owner name: STANDARD ELEKTRIK LORENZ AG, 7000 STUTTGART, DE

8339 Ceased/non-payment of the annual fee