H03L

Technology

Watch

Stats

Description

AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES (of dynamo-electric generators H02P)

Subclasses

SubclassTitle
1/00 Stabilisation of generator output against variations of physical values, e.g. power supply (automatic control H03L 5/00, H03L 7/00)
1/02 Stabilisation of generator output against variations of physical values, e.g. power supply (automatic control H03L 5/00, H03L 7/00) against variations of temperature only
1/04 Stabilisation of generator output against variations of physical values, e.g. power supply (automatic control H03L 5/00, H03L 7/00) against variations of temperature only Constructional details for maintaining temperature constant
3/00 Starting of generators
5/00 Automatic control of voltage, current, or power
5/02 Automatic control of voltage, current, or power of power
7/00 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04)
7/02 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a frequency discriminator comprising a passive frequency-determining element
7/04 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a frequency discriminator comprising a passive frequency-determining element wherein the frequency-determining element comprises distributed inductance and capacitance
7/06 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop
7/07 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation (for indirect frequency synthesis H03L 7/22)
7/08 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop
7/081 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop provided with an additional controlled phase shifter
7/083 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop the reference signal being additionally directly applied to the generator (direct frequency synchronisation without loop H03L 7/24)
7/085 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00)
7/087 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00) using at least two phase detectors or a frequency and phase detector in the loop
7/089 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00) the phase or frequency detector generating up-down pulses (H03L 7/087 takes precedence)
7/091 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00) the phase or frequency detector using a sampling device (H03L 7/087 takes precedence)
7/093 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00) using special filtering or amplification characteristics in the loop (H03L 7/087-H03L 7/091 take precedence)
7/095 Automatic control of frequency or phase; Synchronisation (tuning of resonant circuits in general H03J; synchronising in digital communication systems, see the relevant groups in class H04) using a reference signal applied to a frequency- or phase-locked loop Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L 7/1 takes precedence; frequency or phase detection comparison in general H03D 3/00, H03D 13/00) using a lock detector (H03L 7/087 takes precedence)

more results

Recent Patents

Not Available

Recent Publications

Not Available

Top Owners in This Class

Upgrade to the Professional Level to view Top Owners for this Class.Learn More

Applications Filed in This Class - By Year

Patents Issued To Date - By Filing Year

Average Time to Issuance