JPS5545243A - Convergence circuit - Google Patents

Convergence circuit

Info

Publication number
JPS5545243A
JPS5545243A JP11834578A JP11834578A JPS5545243A JP S5545243 A JPS5545243 A JP S5545243A JP 11834578 A JP11834578 A JP 11834578A JP 11834578 A JP11834578 A JP 11834578A JP S5545243 A JPS5545243 A JP S5545243A
Authority
JP
Japan
Prior art keywords
circuit
saw
horizontal
supplied
vertical
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
JP11834578A
Other languages
Japanese (ja)
Other versions
JPS5910111B2 (en
Inventor
Takeshi Kureha
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP53118345A priority Critical patent/JPS5910111B2/en
Priority to US06/077,112 priority patent/US4318032A/en
Publication of JPS5545243A publication Critical patent/JPS5545243A/en
Publication of JPS5910111B2 publication Critical patent/JPS5910111B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

PURPOSE: To make it possible to adjust convergences at four corners independently by providing a horizontal saw-tooth wave generation circuit, a vertical saw-tooth wave generation circuit, a modulator circuit, a square wave generation circuit, a separator circuit and a convergence yoke.
CONSTITUTION: When pulses synchronized with horizontal and vertical scanning are supplied to input terminals 14 and 15 respectively, horizontal and vertical saw-tooth waves generated by saw- tooth wave generation circuits 16 and 17 are supplied to modulator circuit 18. The vertical saw-tooth wave is inputted to square wave generation circuit 19 to generate square waves different from each other in phase by 180°. In circuit 18, the horizontal saw-tooth wave is modulated with the vertcical saw-tooth wave, and the output is supplied to separator circuit 20. In circuit 20, the input is separated into four parts, namely, horizontal scanning latter halves in the vertical scanning first half and the latter half (the upper part and the lower part of the screen right) and horizontal scanning first halves in the vertical scanning latter half and the first half (the upper part and the lower part of the screen left) by the square wave from circuit 19, and the output is amplified by 25 through variable resistances 21∼24 and is supplied to convergence yoke 26. As a result, convergences at four corners can be adjusted independently, and the adjustment work becomes easy.
COPYRIGHT: (C)1980,JPO&Japio
JP53118345A 1978-09-25 1978-09-25 Convergence circuit for projection color television equipment Expired JPS5910111B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP53118345A JPS5910111B2 (en) 1978-09-25 1978-09-25 Convergence circuit for projection color television equipment
US06/077,112 US4318032A (en) 1978-09-25 1979-09-19 Convergence circuit including a quadrant separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53118345A JPS5910111B2 (en) 1978-09-25 1978-09-25 Convergence circuit for projection color television equipment

Publications (2)

Publication Number Publication Date
JPS5545243A true JPS5545243A (en) 1980-03-29
JPS5910111B2 JPS5910111B2 (en) 1984-03-07

Family

ID=14734383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53118345A Expired JPS5910111B2 (en) 1978-09-25 1978-09-25 Convergence circuit for projection color television equipment

Country Status (1)

Country Link
JP (1) JPS5910111B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154988A (en) * 1981-03-20 1982-09-24 Hitachi Ltd Convergence compensating circuit
JPS58213583A (en) * 1982-06-04 1983-12-12 Mitsubishi Electric Corp Projection type television
JPS58222688A (en) * 1982-06-18 1983-12-24 Matsushita Electric Ind Co Ltd Convergence device
US5405530A (en) * 1991-06-28 1995-04-11 Passavant Separator for separating floating and sinking matter from waste water contaminated with said matter
US5543064A (en) * 1994-09-07 1996-08-06 Clearline Systems, Inc. Sewage lift station

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154988A (en) * 1981-03-20 1982-09-24 Hitachi Ltd Convergence compensating circuit
JPS58213583A (en) * 1982-06-04 1983-12-12 Mitsubishi Electric Corp Projection type television
JPS58222688A (en) * 1982-06-18 1983-12-24 Matsushita Electric Ind Co Ltd Convergence device
US5405530A (en) * 1991-06-28 1995-04-11 Passavant Separator for separating floating and sinking matter from waste water contaminated with said matter
US5543064A (en) * 1994-09-07 1996-08-06 Clearline Systems, Inc. Sewage lift station

Also Published As

Publication number Publication date
JPS5910111B2 (en) 1984-03-07

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