Adapter aid for the trouble-free connection of computer peripher

Details Adapter aid for the trouble-free connection of computer peripher Adapter aid for the trouble-free connection of computer peripher

1990-05-31

1992-03-31

Fleming, Michael R.

Boots, shoes, and leggings

3642382, 3642403, 364DIG1, G06F 1546, G06F 300, G06F 1340

Patent

active

051014815

ABSTRACT:
An adapter aid (ADE) is connected to a device interface (PS) provided for the parallel connection of computer peripherals (PE) to a computer system (RE), and to an additional device interface (PSZ) to which further computer peripherals (RE) can be connected in parallel fashion. In the adapter aid (ADE) the bidirectional and/or unidirectionally effective data and control interface contacts of the two device interfaces (PS, PSZ) are directed via bidirectionally and unidirectionally controllable, switchable and signal regenerating switching means (BST;EPST;LTE;BT). These switching means (BST,DPST,LTE,BT) can only be switched effectively if a computer peripheral (PE) is connected to the additional device interface (PSZ) and currently no information is transmitted via the device interface (PS) by another computer peripheral (PE) or by a computer system (RE). Due to the adapter aid (ADE) the range of the device interface (PS) is increased and a trouble-free connection of computer peripherals (PE) to the device interface (PS) during the operation of the computer system (RE) is possible.

REFERENCES:
patent: 4254473 (1981-03-01), Galdun et al.
patent: 4451886 (1984-05-01), Guest et al.
patent: 4713793 (1987-12-01), Conforti
patent: 4985892 (1991-01-01), Camanata
patent: 4988890 (1991-01-01), Narhi et al.
IBM Technical Disclosure Bulletin, "Dual-Bus Interface for Small Computer System Interface Controllers", vol. 31, No. 4, Sep. 1988, pp. 293-296.

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