Substation Speech Amplifiers TRIZ Cases
- Mobile Phone Breath Sensor for Non-Invasive Substance Detection
A mobile phone sensor near the microphone detects substances in user breath during calls, eliminating the need for active blowing required by dedicated devices.
- DECT Station Mediates Device Association for Seamless Call Handover
A DECT transmitting station mediates device association signals to enable direct communication paths between paired units.
- Electronic Device Master-Slave Role Switching
Controller detects carrying state to adjust master-slave roles, resolving manual intervention bottlenecks.
- NFC-Triggered Bluetooth Handover for Voice Calls
A mobile device uses NFC to detect an audio appliance and establishes a bi-directional link for transferring voice call audio data.
- Mobile Terminal Call Volume Adjustment via Gravity Sensor
A mobile terminal detects gravity location information to automatically adjust call volume levels.
- Wireless Telephone System with Acoustic Proximity Routing
A wireless telephone system routes voice signals to stationary playback devices based on acoustic distance detection.
- Hands-free Microphone Noise Equalization for Vehicle Call Systems
A hands-free control apparatus adjusts noise characteristics across multiple microphones to ensure consistent audio quality during signal switching.
- Incoming Call Screen Answering Mode Selection
An incoming call screen displays distinct answering mode icons for user selection before the call is answered.
- Voice Prompt System for Third-Party Call Identification
A voice broadcast module announces incoming call details through audio channels while the user maintains an active hands-free conversation.
- Ultrasonic Tone Control for Electronic Devices
Accessory generates ultrasonic tones to control electronic devices, avoiding audio signal interference and noise.
- External Verification ID for Audio Accessory Pairing
An external verification ID resolves the contradiction between device complexity and identification capability by relocating authentication logic to a server.
- Touchscreen GUI for Conference Call Management
A portable multifunction device uses a graphical user interface with merge icons to combine active and suspended calls into conference sessions.
- Terminal Voice Quality Adjustment via Spectral Analysis
A terminal analyzes voice signal spectra to dynamically select frequency response channels for balanced audio processing.
- Contextual Privacy Engine for Notification Management
A contextual privacy engine adjusts user notifications based on detected environmental factors and location data.
- Audio Direction Detection Using Gaze Intermediary
A processor determines external object direction using audio signals and user gaze to display graphical indicators on a screen.
- Wireless Headset System Maintaining Connection for Call Center Efficiency
A wireless headset system maintains a continuous connection between the base unit and headset to enable immediate call handling.
- Wireless Audio Guide Using BLE Beacons
A wireless audio guide system transmits beacon signals to mobile devices for automatic playback.
- Pivoting Support Member for Stable Mobile Phone Imaging
A pivotally coupled support member stabilizes a mobile phone housing in an upright position for improved viewing flexibility.