Company patents

Crestron Electronics, Inc.

Crestron Electronics, Inc. shows a surprising shift away from physical building components, with its 'Doors & Windows' category declining by 100.0% in 2026 so far and 'Hardware Platform (Cooling, Power, Packaging)' also seeing a 100.0% decline in 2026, despite these areas previously contributing to its portfolio. Concurrently, the company has shown a strong emerging focus on 'Network Security & Access Control', which experienced a significant 133.3% year-over-year growth in 2025, and 'Wireless Networks', which grew by 83.3% in 2025, indicating a strategic pivot towards communication and security technologies.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

282 US filings (since 2023) · 12 categories · 22 themes

Advanced Audio Signal Processing

Techniques for enhancing, encoding, decoding, or separating speech and audio signals, often involving multi-microphone arrays, acoustic echo cancellation, beamforming, or advanced audio compression for improved clarity and quality.

Speech Processing
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38since 2023
+44.4%YoY
Advanced Electronic Packaging

Methods and structures for integrating and enclosing electronic components into compact, multi-functional modules, often involving embedded components, multi-layer substrates, and electromagnetic shielding for performance and miniaturization.

Printed Circuits & Electronic Assemblies
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29since 2023
-53.3%YoY
Adaptive Lighting Control Systems

Systems and methods for dynamically adjusting light output, distribution, color, or intensity based on environmental conditions, user presence, content, or specific application needs.

Electric Heating & Lighting Control
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23since 2023
0.0%YoY
Device Enclosure & Material Engineering

Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.

Printed Circuits & Electronic Assemblies
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23since 2023
-40.0%YoY
Automated Shading & Access Systems

Mechanisms and control systems for automating the movement, opening, or closing of blinds, shades, louvers, or doors, enhancing user convenience, security, or energy efficiency.

Doors & Windows
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22since 2023
-33.3%YoY
Loudspeaker Acoustic Design

Engineering solutions for optimizing the acoustic performance and mechanical stability of loudspeakers, including diaphragm materials, spider geometries, vibration suppression, and integration into other devices.

Loudspeakers & Microphones
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19since 2023
0.0%YoY
Cable Termination & Management

Systems and methods for preparing, organizing, and electrically connecting individual conductors or cable bundles to connector terminals, ensuring reliable contact and strain relief.

Electrical Connectors
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18since 2023
-20.0%YoY
Integrated Device Automation

Systems and methods for coordinating and automating the control of electric heating and lighting devices within a broader environment, often involving sensors, communication networks, and user-defined rules.

Electric Heating & Lighting Control
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15since 2023
-66.7%YoY
Flexible/Foldable Device Structures

Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.

Hardware Platform (Cooling, Power, Packaging)
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11since 2023
-66.7%YoY
High-Efficiency Power Amplifiers

Circuit designs and control techniques focused on maximizing the power conversion efficiency of amplifiers, especially for radio frequency (RF) or audio applications, often involving load modulation, envelope tracking, or specific amplifier classes (e.g., Class-D, Doherty).

Amplifiers
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9since 2023
0.0%YoY
Amplifier Error & Offset Correctionfiltered

Methods and circuits to detect and compensate for various imperfections in amplifier operation, such as DC offset, gain errors, phase errors, duty-cycle errors, or input error components, to improve accuracy and signal integrity.

Amplifiers
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8since 2023
0.0%YoY
Connector Locking Mechanisms

Mechanical features or components integrated into connector housings or mating interfaces to ensure secure engagement and prevent accidental disengagement.

Electrical Connectors
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7since 2023
+100.0%YoY
Smart Hearable Device Features

Integration of advanced functionalities into headphones, earphones, or hearing aids, such as multi-device connectivity, health monitoring sensors, custom fitting mechanisms, and intelligent audio switching or control.

Loudspeakers & Microphones
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5since 2023
-66.7%YoY
Integrated Solar Energy Harvesting

Systems that embed photovoltaic cells or films directly into window components like louvers, blinds, or glazing, to generate electricity, often combined with automated shading for energy management.

Doors & Windows
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5since 2023
0.0%YoY
Access Control & Identity Management

Systems and methods for authenticating users, devices, or applications, authorizing their access to resources based on policies, and managing digital identities across various platforms.

Network Security & Access Control
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4since 2023
new
Power Driver & Reliability

Design of power driver circuits for electric loads (e.g., LEDs, heating elements) focusing on efficiency, stability, noise reduction, and compensation for component degradation.

Electric Heating & Lighting Control
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4since 2023
new
Low-Noise Amplifier (LNA) Design

Circuitry and techniques specifically designed to amplify weak signals while minimizing the introduction of additional noise and maintaining high linearity, often incorporating impedance matching, parasitic neutralization, or protection circuits.

Amplifiers
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4since 2023
0.0%YoY
Physical Layer & Interface Optimization

Enhancements to the physical and data link layers of network communication, focusing on hardware components, signal integrity, power efficiency, and efficient data transfer mechanisms for specific interfaces and buses.

Routing, Switching & QoS
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3since 2023
n/a
Power & Hybrid Connector Design

Connectors specifically designed for high current or voltage applications, often incorporating features for power delivery, thermal management, or combining power and signal lines.

Electrical Connectors
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2since 2023
n/a
Reconfigurable & Programmable Amplifiers

Amplifier designs that allow for dynamic adjustment of their operating characteristics, such as gain, impedance, or amplification path, based on control signals, input conditions, or desired performance modes.

Amplifiers
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1since 2023
new
Robust Electrical Contact Systems

Design of contact elements and their interaction to ensure stable, low-resistance electrical connection under various mechanical and environmental conditions, including spring forces and material choices.

Electrical Connectors
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1since 2023
n/a
Adaptive Speech Synthesis & Messaging

Technologies for generating artificial speech that is personalized, context-aware, or adaptable to specific virtual agents or messaging campaigns, often utilizing text-to-speech (TTS) and audio caching for efficient delivery.

Speech Processing
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1since 2023
n/a

Patents

Page 2 of 2
US 11228288 B2GRANTED
H03F3/181

Single knob pre-amplifier gain-trim and fader

Filed:2019-05-17Pub:2022-01-18
Applicant:Crestron Electronics, Inc.

According to a first aspect of the embodiments, a microphone mixer is provided comprising: an input adapted to receive differential microphone (mic) output signals; a gain-trim circuit adapted to receive the differential mic output signals, and which includes a substantially fully differential amplifier adapted to amplify the received differential mic output signals through use of a gain-trim output adjustment device that provides a variable gain amount ranging from a first gain-trim gain value to a second gain-trim gain value, to produce differential gain-trim circuit output signals; a fader circuit adapted to receive the differential gain-trim circuit output signals, and which includes a differential amplifier adapted to attenuate the received differential gain-trim circuit output signals through use of a fader output adjustment device that provides a variable gain amount ranging from a first fader gain value to a second fader value; and a common adjustment apparatus that mechanically ties the gain-trim output adjustment device with the fader output adjustment device such that the first gain-trim gain value and first fader gain value are obtained substantially simultaneously at a first position of the common adjustment apparatus, and the second gain-trim gain value and second fader gain value are obtained substantially simultaneously at a second position of the common adjustment apparatus.