Secure facsimile transmission system using time-delay modulation

Secure microprocessor

Secure SCA broadcasting system including subscriber actuated por

Secure television system

Security system and method for securely communicating therein

Security system for SSTV encryption

See-through coordinate graphic input tablet

Segmented-core inductance in stylus for EM-graphical tablet

Selection system for digital signal repeaters

Selectively clamped digital signal transmission system

Self-compensating focus system for a reflective video disc

Self-compensating focus system for optical video playback device

Self-locking support for digitizer cover

Self-synchronizing descrambler

Self-tuning digitizer control circuit and method

Semiconductor device and touch sensor device

Semiconductor image sensor

Sensing stylus position using single 1-D image sensor

Sensing unit for a position detecting apparatus and its manufact

Sensitive coordinate input device