Tsunehiro Watanabe

Data receiving apparatus

Method and apparatus for image transmission

Communication apparatus for detecting a calling signal from a line, for detecting a data communication signal from a calling station, and for generating a quasi-calling tone

Data communication apparatus which can selectively store data or not, according to communication line status

Image transmission or encoding apparatus

Image processing apparatus having image memory

Data communication apparatus connectable with a plurality of telephone sets and a telephone line

Image receiving apparatus

Protection of data in a memory in electronic equipment

Data communication process suitable for use in a quiet environment