Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
230 words
A signal limiter comprising: a gain controlling means, a detector coupled to an output of said controlling means for developing a DC signal therefrom, means coupling an Output of said detector to an input of said gain controlling device for regulating the gain thereof when a relatively high level signal is developed at the output of said detector, means for holding said input of said gain controlling device at a relatively high level for a given time interval after the lapse of said relatively high level signal at the output of said detector, means for reducing the signal level at the input of said gain controlling device after the lapse of said given time interval when the output of said detector is at a relatively low signal level, said means for reducing the signal level at the input of said gain controlling device after the lapse of said given time interval including a switching device coupled in parallel with said means for holding said input of said gain controlling device at a relatively high level, means for opening and closing the switching device at predetermined time intervals, said means for opening and closing the switching device at predetermined time intervals including a charging and discharging circuit for building up a charge at high signal levels and for discharging according to said given time interval, said switching device being zener diode.
Claim 2
Dependent Claim
230 words
A signal limiter comprising: a gain controlling means, a detector coupled to an output of said controlling means for developing a DC signal therefrom, means coupling an Output of said detector to an input of said gain controlling device for regulating the gain thereof when a relatively high level signal is developed at the output of said detector, means for holding said input of said gain controlling device at a relatively high level for a given time interval after the lapse of said relatively high level signal at the output of said detector, means for reducing the signal level at the input of said gain controlling device after the lapse of said given time interval when the output of said detector is at a relatively low signal level, said means for reducing the signal level at the input of said gain controlling device after the lapse of said given time interval including a switching device coupled in parallel with said means for holding said input of said gain controlling device at a relatively high level, means for opening and closing the switching device at predetermined time intervals, said means for opening and closing the switching device at predetermined time intervals including a charging and discharging circuit for building up a charge at high signal levels and for discharging according to said given time interval, said switching device being zener diode.
Claim 3
Dependent Claim
174 words
A signal limiter comprising: a gain controlling means, a detector coupled to an output of said gain controlling means for developing a DC signal therefrom, means coupling an output of said detector to an input of said gain controlling device for regulating the gain thereof when a relatively high level signal is developed at the output of said detector, a point of reference potential, a control circuit coupled from the input of the gain controlling device to the point of reference potential, said control circuit including the parallel combination of a capacitor and transistor, said capacitor holding said input of said gain controlling device at a relatively high level for a given time interval after the lapse of said relatively high level signal at the output of said detector, control means for turning on said transistor to discharge said capacitor after the lapse of said given time interval when the output of said detector is at a relatively low signal level, and said transistor having a conduction path in series with said control means.
Claim 4
Dependent Claim
174 words
A signal limiter comprising: a gain controlling means, a detector coupled to an output of said gain controlling means for developing a DC signal therefrom, means coupling an output of said detector to an input of said gain controlling device for regulating the gain thereof when a relatively high level signal is developed at the output of said detector, a point of reference potential, a control circuit coupled from the input of the gain controlling device to the point of reference potential, said control circuit including the parallel combination of a capacitor and transistor, said capacitor holding said input of said gain controlling device at a relatively high level for a given time interval after the lapse of said relatively high level signal at the output of said detector, control means for turning on said transistor to discharge said capacitor after the lapse of said given time interval when the output of said detector is at a relatively low signal level, and said transistor having a conduction path in series with said control means.
Claim 5
Dependent Claim
41 words
A signal limiter in accordance with claim 2 wherein said control means for turning on said transistor comprises a charging and discharging circuit for building up a charge at high signal levels and for discharging according to said given time interval.
Claim 6
Dependent Claim
31 words
A signal limiter in accordance with claim 3 wherein said charging and discharging circuit is coupled to one of the terminals of said transistor for controlling the conduction or non-conduction thereof.
Claim 7
Dependent Claim
22 words
A signal limiter in accordance with claim 4 wherein said charging and discharging circuit is coupled to the emitter of said transistor.
Claim 8
Dependent Claim
22 words
A signal limiter in accordance with claim 4 wherein said charging and discharging circuit is coupled to the base of said transistor.