I/O pin array

Details I/O pin array I/O pin array

1998-07-31

2000-10-24

Sheikh, Ayaz R.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

345184, G09G 500

Patent

active

061374784

ABSTRACT:
A pin input/output device is provided including a housing with a plurality of bores formed therein. Also included is a plurality of pin solenoids each having a unique address and a transducer slidable with respect to one of the bores of the housing. A plurality of pin position potentiometers are each mounted on an associated one of the pin solenoids for generating a position signal which is representative of a current position of the corresponding transducer with respect to the housing. An interface logic is connected to the pin position potentiometers for generating digital output signals each including the address of a designated one of the pin solenoids and the current position of the designated one of the pin solenoids as indicated by the position signal. It should be noted that the interface logic may further be used to extend the transducers per received input signals.

REFERENCES:
patent: 4596429 (1986-06-01), Gierut et al.
patent: 4674811 (1987-06-01), Corwin
patent: 4761141 (1988-08-01), Hawk et al.
patent: 4848942 (1989-07-01), Speicher
patent: 4930912 (1990-06-01), Speicher
patent: 5717423 (1998-02-01), Parker
patent: 5931962 (1999-08-01), Dang

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