Next-gen Wireless Stethoscope

Next-gen Wireless Stethoscope
The Customer:

One of the largest worldwide electronic product manufacturers from Japan. Tata Elxsi has engaged with this customer on multiple projects for many years.

Project Description & Scope:
  • Complete product design including hardware, software, enclosure & mechanical design
  • High quality audio over Bluetooth with noise reduction filters
  • Hardware dimension – 70 mm (L) x 32 mm (W) x 21mm (H)
  • Support for Bell, Extended, and Diaphragm mode of operation with volume control
  • Long battery support with low battery indication, and supports USB based charging
  • Keypad for menu navigation / OLED display and LED indication
The Solution:
  • Product design
    • From initial sketch to final working prototype, mechanical design
  • Software
    • Application development over custom scheduler
    • Integration with 3rd party BT stack
    • Overall system integration
    • Integration with host device/ Optimization
    • System testing & support for field trials
  • Firmware
    • Driver customization & development/ Board bring-up/ File system porting
    • Integration with application/ Testing and verification
  • Hardware Design
    • Defining complete product specification
    • Hardware design
    • Schematic/ Layout/ Gerber
    • BOM identification/ SI analysis
    • PCB Fabrication/ Assembly
    • Hardware tests and bring-up
  • Complete working prototype testing & verification
Business Benefit:
  • First working prototype delivered in 16 weeks; hence significant reduction in time-to-market for product launch
  • Experienced team in the handheld devices domain, improving overall product features by taking complete ownership of the product
  • Minimal overhead due to design and engineering under one roof
  • A fixed-cost engagement in the rapid-product prototyping development helped the customer keep risks under control