Solid state commutator switch
Sound display apparatus having separation control
Sound transmission method for data way system
Spa and swimming pool remote control systems
Space switch
Spare card connection and switching circuitry for high-speed tel
Spare card connection circuitry for high-speed telecommunication
Specialized shaped universal remote commander
Speed independent selector switch employing M-out-of-N codes
Speed reducer including temperature sensing device
Speedometer for in-line skates
Speedometer for in-line skates
Spherical sensor and data collection vehicles
Spindle mounted telemetry system
Split bus system interface
Spurious signal correction for surface acoustic wave (SAW) secur
Stabilized binary tree protocol
Stabilized electromagnetic resonant armature tactile vibrator
Staff-location and signalling system for use in mines
Starloop communication network and control system therefor