Interface unit and information processing apparatus having the i

Details Interface unit and information processing apparatus having the i Interface unit and information processing apparatus having the i

1996-12-19

1999-08-17

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359147, H04B 1000

Patent

active

059401990

ABSTRACT:
An interface unit includes an optical interface circuit outputting a transmitting signal for driving an optical driver in response to input data, a serial interface circuit outputting a transmitting signal for driving a serial driver in response to the input data, a terminal for outputting a signal, and a circuit part for selectively outputting the transmitting signal from one of the optical interface circuit and the serial interface circuit via the terminal, so that at least a pulse width of the transmitting signal output via the terminal satisfies a standard established with respect to the optical driver when the output transmitting signal of the optical interface circuit is output via the terminal.

REFERENCES:
patent: 5387993 (1995-02-01), Heller et al.
patent: 5617236 (1997-04-01), Wang et al.

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