Apparatus for recording and verifying handwriting, in particular

Apparatus for signalling the position of a point on a surface

Apparatus for simultaneous generation of key at two locations

Apparatus for storing felt pens for an electronic board

Apparatus for synthesizing phase-modulated carrier wave

Apparatus for the direct connection of ancillary equipment to a

Apparatus for the identification of feedback tapes in a shift re

Apparatus for the time division multiplex transmission of binary

Apparatus for the transmission end-enciphering and reception end

Apparatus for word synchronization in an optical communication s

Architecture for communication of remote devices to a digitizing

Arrangement for aligning the image of an information structure o

Arrangement for ciphering and deciphering of information

Arrangement for combining data symbols in accordance with a pred

Arrangement for compensating duty factor variations in an optica

Arrangement for connecting information transducers in program co

Arrangement for distribution of clock signals

Arrangement for effecting a variable modification of information

Arrangement for regenerating start-stop signals and dial pulses

Arrangement for scanning a disc-shaped type carrier