Multi-mode infrared input/output interface

Details Multi-mode infrared input/output interface Multi-mode infrared input/output interface

1994-09-19

1998-02-03

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359152, 359181, H04B 1016

Patent

active

057150770

ABSTRACT:
A multi-mode infrared interface allows for the selection of an encoding mode from a plurality of modes for infrared light transmission. When there is a transmission, an outgoing serial data stream is produced. The infrared interface transmits the serial data stream by infrared light using the selected mode. For example, a first mode is serial data stream transmission where an IR light pulse is transmitted for each bit of data having a first value. A second mode is modulated serial data stream transmission where a modulated IR light pulse is transmitted for each bit of data having a first value. A third mode is REDEYE transmission using the HP Redeye "REDEYE" format. A fourth mode uses a format defined by a user in software.

REFERENCES:
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patent: 5528409 (1996-06-01), Cucci et al.
patent: 5546211 (1996-08-01), Devon
patent: 5557751 (1996-09-01), Banman et al.
patent: 5585953 (1996-12-01), Zavrel
Kevin W. Bartig, "HP95LX Wired Serial and Infrared I/O External Reference Specification", Hewlett Packard Co., Apr. 1991, pp. 13, 14.

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