Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7535487 | Measuring instrument for measuring video signal level and display device for displaying video signal level A measuring instrument is fed with a video output signal, and performs RGB processing on the video output signal to generate graphic data. A video signal level in the graphic data is measured and video signal level data is generated. Display data including the graph... | 05/19/2009 |
| 7424649 | Latch and phase synchronization circuit using same A latch is provided for rapidly stabilizing a latching operation. The latch comprises a first latch circuit for latching a first signal in response to a first portion of a second signal to generate a first latch signal, and a latch error compensator for compensating... | 09/09/2008 |
| 7372481 | Vector waveform correction device A vector waveform correction device corrects a vector waveform displayed on a vector scope. A first color difference signal and a second color difference signal demodulated from a chrominance signal of a composite video signal are input as x and y, and a vector (x, ... | 05/13/2008 |
| 7349009 | Vector waveform correction device A phase shifter (70) for correcting the phase of a sub-carrier signal input into a decoder to a burst signal has a phase shift setting (5), a correction amount setting (9′), a phase shifter (6) and a 90-degree phase shifter (7). ... | 03/25/2008 |
| 7336298 | Video signal level monitoring apparatus A video signal level monitoring apparatus which monitors the level of a video signal, said apparatus comprises means for inputting a first color difference component (Cb) and a second color difference component (Cr) of a component video signal, means for inputting a... | 02/26/2008 |
| 7301559 | Measuring instrument for measuring video signal level and display device for displaying video signal level A measuring instrument is fed with a video output signal, and performs RGB processing on the video output signal to generate graphic data. A video signal level in the graphic data is measured and video signal level data is generated. Display data including the graph... | 11/27/2007 |
| 7239341 | Vector waveform rotation device A vector waveform rotation device (60) for rotating a vector waveform displayed on a vector comprises rotation amount setting means (5′) for holding a rotation amount α, and means (6′) for inputting a first color difference signal (B-Y sign... | 07/03/2007 |
