Character pattern converting circuit

Details Character pattern converting circuit Character pattern converting circuit

1987-05-18

1989-02-28

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340735, 340750, C09G 106

Patent

active

048089850

ABSTRACT:
A character pattern converting circuit is adapted to control a character pattern expressed in the form of a dot matrix and received from a character generator and to deliver the character pattern so converted, and includes a first switching circuit for switching the order of bits constituting the character pattern provided from the character generator; a matrix circuit having shift registers arranged in the form of a matrix, the shift registers being adapted to shift upon permitting the character pattern from the first switching circuit to be entered in succession in the row or column direction thereof and to be delivered in the row direction thereof, respective bits of the character pattern simultaneously or selectively in conformity with the mode of the concerning conversion; a second switching circuit for switching the order of the bits constituting the character pattern provided from the matrix circuit in conformity with the mode of the concerning conversion; and a matrix control part for controlling the writing of the character pattern into the matrix circuit via the first switching circuit and the reading of the character pattern from the matrix circuit via the second switching circuit.

REFERENCES:
patent: 4118695 (1978-10-01), Ogawa et al.
patent: 4312045 (1982-01-01), Jean et al.
patent: 4636783 (1987-01-01), Omachi

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