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:
May. 15, 2012
Filed:
Mar. 01, 2007
Kazutomo Tohyama, Kanagawa, JP;
Kazutomo Tohyama, Kanagawa, JP;
Tektronix, Inc., Beaverton, OR (US);
Abstract
A waveform display apparatus that can display a waveform in a desired position even when an internal reference mode is switched to an external reference mode. The internal and external reference modes are switched with a reference select button. A user operates a phase adjustment knobwhile watching a displayto adjust a phase relationship between an external reference video signal and a video signal under test. When the phase relationship becomes proper an offset save buttonis pressed to store the phase offset at the situation in a memory. A CPUreads out the phase offset according to needs such as the waveform display apparatus is turned on, etc. to control a phase adjustment circuitfor adjusting the phase relationship between the external reference video signal and the video signal under test.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile