Remote control system for television monitors
First Claim
1. A system for remotely adjusting the control functions of at least one television monitor, comprising:
- an encoder for generating a repetitive multi-channel signal whose period is substantially constant, each channel including a control pulse having a variable pulse period, said encoder including;
user-operable controls which are adapted to generate a plurality of user-variable control signals, a counter for generating sequentially occurring output pulses,switch means responsive to said output pulses for sequentially selecting the control signals, and means responsive to each selected signal for generating a control pulse whose period is a function of the value of the selected control signal;
a transmission path for coupling the multi-channel signal to a decoder; and
a decoder associated with the monitor and receiving the multi-channel signal for converting each of said control pulses to an output signal whose value is a function of said pulse period so as to develop a multi-channel output signal for application to and adjustment of the monitor'"'"'s control functions.
3 Assignments
0 Petitions
Accused Products
Abstract
A system is described for remotely adjusting the control functions, such as hue, volume and the like, of a television monitor. The system includes an encoder for generating a repetitive multi-channel signal whose period is constant, each channel including a control pulse having a parameter (such as pulse period or pulse width) which is variable by user-operable controls included in the encoder. A remotely located decoder, associated with the monitor, receives the multi-channel signal and converts each control pulse to an output signal whose value is a function of the variable pulse parameter so as to develop a multi-channel output signal for application to and adjustment of the monitor'"'"'s control functions.
27 Citations
21 Claims
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1. A system for remotely adjusting the control functions of at least one television monitor, comprising:
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an encoder for generating a repetitive multi-channel signal whose period is substantially constant, each channel including a control pulse having a variable pulse period, said encoder including; user-operable controls which are adapted to generate a plurality of user-variable control signals, a counter for generating sequentially occurring output pulses, switch means responsive to said output pulses for sequentially selecting the control signals, and means responsive to each selected signal for generating a control pulse whose period is a function of the value of the selected control signal; a transmission path for coupling the multi-channel signal to a decoder; and a decoder associated with the monitor and receiving the multi-channel signal for converting each of said control pulses to an output signal whose value is a function of said pulse period so as to develop a multi-channel output signal for application to and adjustment of the monitor'"'"'s control functions. - View Dependent Claims (2)
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3. A system for remotely adjusting the control functions of at least one television monitor, comprising:
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an encoder including user-operable controls for generating a repetitive multi-channel signal whose period is substantially constant, each channel including a control pulse having a pulse period which is variable by the user-operated controls; a transmission path for coupling the multi-channel signal to a decoder; and a decoder associated with the monitor and receiving the multi-channel signal for converting each of said control pulses to an output signal whose value is a function of said pulse periods so as to develop a multi-channel output signal for application to and adjustment of the monitor'"'"'s control functions, said decoder including a counter having a clock input, a reset input, and outputs corresponding to each channel of the multi-channel system, means for coupling the multi-channel signal to the counter'"'"'s clock input, a peak detector receiving the multi-channel signal and coupling the peak-detected multi-channel signal to the counter'"'"'s reset input, and means for integrating each output of the counter so as to develop a plurality of D.C. output signals for use in adjusting the monitor'"'"'s control functions. - View Dependent Claims (4)
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5. A system for remotely adjusting the control functions of at least one television monitor, comprising:
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an encoder, including; a counter having a reset input, a clock input and a plurality of outputs for generating sequentially occurring output pulses within a constant but repetitive period; means for periodically resetting the counter; user-operable controls for generating a plurality of user-variable control signals; means responsive to the counter'"'"'s output pulses for sequentially selecting the user-variable control signals; an astable multivibrator responsive to each selected control signal for generating a control pulse whose period is a function of the value of the selected control signal and means for coupling the control pulses from the multivibrator to the clock input of the counter; a transmission path receiving the control pulses from the multivibrator for coupling them to a decoder; and a decoder associated with the monitor and receiving the control pulses from the transmission path for converting the control pulses to a corresponding number of D.C. output signals for use in adjusting the monitor'"'"'s control functions.
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6. A system for remotely adjusting the control functions of at least one television monitor, comprising:
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an encoder adapted to receive a video signal from a selected video source, said encoder including; user-operable controls for generating a repetitive multi-channel signal, each channel including a function control signal having a parameter which is variable by the user-operated controls, and means for inserting the multi-channel signal into the video signal'"'"'s vertical interval and four coupling the resultant video signal to a transmission path; a transmission path for coupling the resultant video signal to a decoder; and
;a decoder associated with the monitor and receiving the resultant video signal for retrieving the multi-channel signal therefrom and for converting each of said function control signals to an output signal whose value is a function of said variable parameter so as to develop a multi-channel output signal for application to and adjustment of the monitor'"'"'s control functions. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. In a system for remotely adjusting the control functions of at least one television monitor, an encoder comprising:
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a sync separator receiving an input video signal for developing a vertical sync output and a horizontal sync output; a counter having a reset input, a clock input and a plurality of outputs, said counter receiving at its reset input the vertical sync output of the sync separator and receiving at its clock input the horizontal sync output of the sync separator so as to develop sequential pulse outputs in response to sequential horizontal sync inputs occurring subsequent to the vertical sync input; a plurality of user-operable controls, each coupled to one of the counter'"'"'s pulse outputs, for coupling a selected portion of said pulse outputs to a common node for use as user-variable control signals; a multivibrator adapted to generate a control pulse of a given width in response to a user-variable control signal of a given value; means for coupling said user-variable control signals to the multivibrator such that the multivibrator generates a plurality of sequential control pulses whose widths are a function of the values of said control signals; and means for combining the pulse outputs from the multivibrator with the input video signal to develop a resultant video signal in which the control pulses are inserted into the vertical interval of the input video signal.
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Specification