The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1986
Filed:
Apr. 09, 1985
Richard W Midland, Inverness, IL (US);
Zenith Electronics Corporation, Glenview, IL (US);
Abstract
A wide-band video amplifier-index signal mixer for driving a beam index CRT includes a low power, high speed 'off-the-shelf' video switching transistor having two inputs, one supplied by a first low power, high speed switching transistor coupled to receive video signals and another supplied by a second low power, high speed switching transistor coupled to receive index video signals. Both signals are in digital form. A video gate supplies the first transistor and an index gate supplies the second transistor. Another pair of gates are connected to also supply the video signal to the index gate. Thus, during occurrence of a video signal, both the video gate and the index gate are enabled and both inputs of the video switching transistor are activated.