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US 2006/0232352 A1Published application
Timing generator
AssigneeThomson Licensing
InventorJeffery Lendaro
Life of this patent
Estimating the term…
Abstract
A timing generator and method of developing drive signals which, when input sync signals are present, delivers the leading and trailing edges of the input pulses directly to a drive output and which generates a free-running signal when input sync pulses are not present.
Claims17
An apparatus for generating drive signals comprising:
- an input for receiving a sync signal, said sync signal comprising a first interval containing one or more of a first type of timing pulses and a second interval during which said first type of timing pulses are not present;
- means for generating an output, said generating means providing a drive signal, said drive signal containing one or more of a second type of timing pulses wherein the leading and trailing edges of said second type of timing-pulses are substantially coincident with the leading and trailing edges of said first type of timing pulses during said first interval and wherein said drive pulses are lower in frequency and shorter in pulse width during said second interval.
A method for generating drive signals comprising the steps of:
- examining a sync signal for the presence of one or more sync pulses;
- outputting said one or more sync pulses as drive pulses if said sync pulses are present;
- and
- enabling a free-running oscillator to output one or more drive pulses if said sync pulses are not present.
1 more element
Means for generating a drive signal comprising:
- oscillator means for generating a drive signal when no input sync signal is present;
- means for transmitting sync pulses from said input sync signal to said drive signal when said sync pulses are present;
- and
- means for disabling said oscillator means when said sync pulses are present.
1 more element
Dependencies are inferred from the claim text.