Medical Monitors: non-invasive blood pressure
using oscillometric and auscultatory method, transcutaneous blood gas, dual and triple
wavelength non-invasive pulse oximeter with wireless RF linking, EEG cerebral function,
dual-channel EEG Low- Cost Student Monitor, inter-cranial pressure, gaseous oxygen, 8 to
16-channel EMG with 1.2 Mbps mini-coaxial PCM linking, chiropractic EMG
scanning; Digitized EKG with full defib protection and continous electrode
impedance monitoring; stainless steel dry electrodes with embedded preamplfier; EKG
amplifier with ESD/RFI protection and test/cal signal injection while maintaining over 200
Meg input impedance and 100dB CMRR; mini-OEM oximeter board with under 75mW power draw.
Medical Controllers: endoscopic surgery brushless
motor controller with synthetic voice status reporting, anti-decubitus air and water bed
controller.
Standards: U/L2601; IEC60601-1-xx; FCC Part
15 & 68. Design review of products for Euro ESD, RFI, EMI Susceptibility and Emissions
Compliance
Industrial:
Optical bar-coded door/ auto key drawer secure access &
control system; HVAC Energy conserving thermostat with building data network; power plant
control circuit boards; race track photo-finish timing and control instruments;
high-speed machine tool speed optimizer using FFT analysis; automatic wireless RF linked
service truck monitoring system with Windows based database reporting; plug-in test and
measurement instrument system for the PC-ISA bus; twin engine and single engine aircraft
security systems; telecommunications system products (very low cost modems), phone-line
measurement instruments; enhanced RS-485 plant data network, CRC coding and data
encryption subsystems; industrial valve closed loop controllers with MOD-BUS interfacing.
Analog Circuits Technology:
Wireless Links: Serial data interfaced Bluetooth
networking, design: DC to 950 MHz, 902 MHz digital/ voice FM short-range communication
systems, SAW and helical wave filters, antenna design (Yagi, Log-periodic, trap
multi-band), phase-lock loops, frequency synthesis by phase locked loop or DDS, Modulation
designs using FM, DPSK, OOK and quadrature PSK links. Proximal inductive linking for fuel
pumps and RFID cards, amplifiers, Class A, AB, C, D; short range Bluetooth data link to
pocket PC..
Other: Linear and digital servo control, voice
messaging subsystems, transducers for pressure, temperature, EMG, humidity, position,
load, ultrasound, IR, power supplies: linear and switching to 100W, A/D conversion to 16
bits, comparators to UHF range; platinum RTD temperature probe auto-calibrating input
processor -- immune to lead wire resistance.
Digital and Interface Circuits and Software:
Interfaces: RS232, USB 1.1, Bluetooth with iPAC comm,
Digital: Real-time digital control, digital filters (IIR
and FIR), embedded controllers with PIC 16F87x/ 18F2xx, AVR and Intel/ Dallas
80C5x series, TI MSP430P14x and TMS320 DSP series for modems and medical/ industrial
signal filtering. Altera FPGA and CPLA, MicroChip PIC and Intel assemblers, CCS and
IAR "C" compilers, Visual Basic-6, Windows CE, LabView, Protel.
Display Technologies:
Custom LCD displays with magnetic wand touch selection, LED
alpha-numeric, 1/4 VGA LCD; CCFL back-lit displays
