System and method for transmitting coded data signals over a ban

Details System and method for transmitting coded data signals over a ban System and method for transmitting coded data signals over a ban

1997-10-08

2000-02-01

Tokar, Michael

Coded data generation or conversion

Digital code to digital code converters

To or from particular bit symbol

H04Q 139

Patent

active

060208341

ABSTRACT:
Briefly, in accordance with one embodiment of the invention, a method of transmitting coded data signals over a bus having a limited bandwidth includes: transmitting a first edge of a data pulse and transmitting a second edge of the data pulse. The time period between the transmitted first edge and the transmitted second edge approximates one of a set of different predetermined time periods. Selected different predetermined time periods of the set of different predetermined time periods respectively correspond to unique pluralities of binary digital signals.
Briefly, in accordance with another embodiment of the invention, a system comprises a first device, a second device and a bandlimited bus coupling the first device with the second device. At least one of the devices includes the capability to code data signals for transfer over the bus and at least the other device includes the capability to decode the data signals. The data signals are coded so that selected different durations between pairs of successive data signal edges respectively correspond to unique pluralities of binary digital signals.
Other embodiments include: a device including the capability to code data signals for transfer over a bandlimited bus; and a method, system, and device to decode data signals transmitted over a bandlimited bus.

REFERENCES:
patent: 3810151 (1974-05-01), Johnston et al.
patent: 5588023 (1996-12-01), Ho
patent: 5640160 (1997-06-01), Miwa

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