Horizontal deflection

Details Horizontal deflection Horizontal deflection

1995-07-19

1996-10-01

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315411, H01J 2970, H01J 2976

Patent

active

055613543

ABSTRACT:
In order to cause scan and/or fly-back voltages (Vsca, Vfly) supplied by a horizontal output stage (1) to vary at a desired rate during a change of state in a horizontal deflection circuit (1, 2, 4), a feedback circuit (4) is provided. This feedback circuit (4) processes the scan and/or fly-back voltages (Vsca, Vfly) to a control voltage (Vco) with which a duty cycle (dc) of a drive signal (Hdr) of a switching element (Tr) in the horizontal output stage (1) is influenced.

REFERENCES:
patent: 4546388 (1985-10-01), Williams, Jr.
patent: 5093605 (1992-03-01), Meinertz
"A Universal Power Supply Integrated Circuit For TV and Monitor Applications" by Philippe Maige, SGS-Thomson Microelectronics, Grenoble, France, IEEE Transactions on Consumer Elect. vol. 36, No. 1, Feb. 1990, pp. 10-17.
"Erhohte Betriebssicherheit und Niedrigere Kosten" by Wilfried Blaesner, Stromversorgung, Elektronik 9/27.4.1990, pp. 134-140.

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