Substation Speech Amplifiers TRIZ Cases
- Foldable Device Speaker Volume Control for Echo Reduction
A foldable electronic device adjusts speaker volume based on folding angle to minimize acoustic interference.
- On-Vehicle Hands-Free Apparatus Call History Sync
Hardware processor executes calls using mobile phone functions, updating call history data after termination to prevent outdated information loss.
- Intermediary Communication Device for Secure PAN Media Sessions
A communication device relays encrypted media payload data between endpoints via a Personal Area Network link.
- Capacitive Touch Sensor Distance Sensing Without Screen Holes
Capacitive touch sensors detect object proximity by adjusting electric field strength and preset thresholds during non-hands-free call states.
- Speaker Acoustic Impedance Touch Sensing
Speaker acoustic impedance sensing extends touch areas without increasing device size or manufacturing cost.
- In-Vehicle Media Interface for Mobile Device Control
A vehicle computing device links to a mobile phone and provides an in-vehicle user interface for media browsing.
- Bluetooth Headset Voice Contact List for Hands-Free Call Control
A Bluetooth headset uses a voice contact list to map audio data to phone numbers for direct call initiation.
- Vehicle Access to Personal Electronic Devices During Autonomous Driving
A vehicle control system reproduces data from personal electronic devices while the driver assistance system is active.
- Hands-Free Apparatus Data Transfer Error Handling
A hands-free apparatus manages wireless call history and phonebook data transfer using standard Bluetooth protocols.
- Desktop Telephone System Wireless Control Network
A desktop telephone system manages audio connections via a wireless control network, resolving ambiguity when mobile devices move out of range.
- Dual Transducer Mobile Audio System for Compact Stereo
Segmenting voice and music frequencies across separate transducers achieves high-quality stereo sound without increasing device size.
- Intelligent Audio Routing for Wearable Devices
Sensors detect user proximity to route call audio, eliminating manual switching complexity.
- Modem Offloads Voice Streaming to Reduce Host Processor Power
A modem processes voice data via dedicated interfaces to enable host processor sleep mode.
- Ultra-Thin Wearable Communications Device Wireless Control
A credit-card-sized mobile communications device uses a local wireless circuit to interface with external input peripherals.
- Pulse Generation Circuit for Push-to-Headset TRRS Jack
A pulse generation circuit transmits distinct signal patterns through a standard TRRS jack to enable push-to-talk functionality on smartphones.
- Smartphone RF-BT Relay Device for Extended Vehicle Control
A smartphone-mounted device relays commands via long-range RF and short-range Bluetooth transceivers.
- Text Message to Voice Conversion in Communication Devices
A communication device transforms text messages into voice data for audible playback.
- Vehicle Mobile Terminal Controller via Bluetooth Low Energy
- Voice-Controlled Notification System for Safe Hands-Free Call Handling
A voice-controlled notification system converts incoming communication data into speech and processes vocal instructions to accept or ignore calls.