AI Patent Summary

Patent Document
#US6020792A
United States Patent 115
Abstract
A precision relaxation oscillator with temperature compen- sation produces a stable clock frequency over wide varia- tions of ambient temperature. The invention has a oscillation generator and two independent current generators. The out- puts of the two programmable, independent current genera- tors are combined to provide a capacitor charging current
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Patent Classification & AI Product Mapping
Authoritative patent classification definitions mapped to real-world technology domains and commercial product categories.
CPC H03B5/00
Confidence: High
Official Definition
Generation of oscillations using amplifier with regenerative feedback from output to input
ELECTRICITY > ELECTRONIC CIRCUITRY > GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
AI Technology & Product Mapping
Technology Domain:
Analog & Mixed-Signal Integrated Circuits
Product Category:
Clock Generators & Oscillators
Plain-English Summary:
Circuits that generate continuous periodic waveforms or clock signals by feeding a portion of an amplifier's output back into its input to sustain oscillation.
Relation to Claims:
The patent discloses an oscillation generator forming the core of a precision relaxation oscillator, directly mapping to foundational oscillation generation circuits.
CPC H03B5/20
Confidence: High
Official Definition
Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
ELECTRICITY > ELECTRONIC CIRCUITRY > GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
AI Technology & Product Mapping
Technology Domain:
Analog & Mixed-Signal Integrated Circuits
Product Category:
RC Relaxation Oscillators
Plain-English Summary:
Oscillator circuits that set their operational frequency using resistor-capacitor (RC) or resistor-inductance (RL) components rather than crystals or resonant tanks.
Relation to Claims:
The abstract explicitly details a relaxation oscillator utilizing independent current generators to charge a capacitor, perfectly aligning with RC-based oscillation determination.
CPC H03B5/24
Confidence: High
Official Definition
Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
ELECTRICITY > ELECTRONIC CIRCUITRY > GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
AI Technology & Product Mapping
Technology Domain:
Semiconductor Devices & Integrated Circuits
Product Category:
Integrated Silicon Oscillators
Plain-English Summary:
RC-based oscillator circuits where the active amplifying components are built using semiconductor devices like transistors or integrated circuits.
Relation to Claims:
The invention is implemented as a precision integrated semiconductor circuit combining current generators and oscillation logic to produce a stable clock frequency.
CPC H03K3/00
Confidence: High
Official Definition
Circuits for generating electric pulses; Monostable, bistable or multistable circuits
ELECTRICITY > ELECTRONIC CIRCUITRY > PULSE TECHNIQUE
AI Technology & Product Mapping
Technology Domain:
Timing & Pulse Generation Circuits
Product Category:
Timing Controllers & Pulse Generators
Plain-English Summary:
Electronic circuits designed to create discrete electrical pulses or switch between stable and unstable states, commonly used in timing and waveform generation.
Relation to Claims:
A relaxation oscillator inherently generates repetitive pulses or clock transitions by charging and discharging timing capacitors.
CPC H03K3/02
Confidence: Medium
Official Definition
Generators characterised by the type of circuit or by the means used for producing pulses
ELECTRICITY > ELECTRONIC CIRCUITRY > PULSE TECHNIQUE
AI Technology & Product Mapping
Technology Domain:
Timing & Pulse Generation Circuits
Product Category:
Precision Clock Integrated Circuits
Plain-English Summary:
Generators categorized by their specific internal circuitry or specific structural mechanisms used to produce electrical pulses or clock signals.
Relation to Claims:
The patent specifies a distinct circuit topology utilizing two independent programmable current generators and temperature compensation means to produce a stable clock.