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Patent Searching and Data


Title:
DATA OUTPUT DEVICE
Document Type and Number:
Japanese Patent JPS63155841
Kind Code:
A
Abstract:

PURPOSE: To cope with changes of the transmission system and the transmission speed without changing hardware by forming the logical data with the mark length and the space length to transmit it and changing these lengths in response to the transmission system and the transmission speed.

CONSTITUTION: A request accepting part 41 sends the received output request to a deciding part 42 and devices an RZ or NRZ transmission system to give the result of this decision to an output bit processing part 47. The part 42 sends the data on the transmission speed and the logical data to a time width calculation part 43 for calculation of both the mark length time width and the space length time width to valve these calculation results to a mark length time width setting part 44 and a space length time width setting part 45 respectively. Both parts 44 and 45 set the corresponding time data at a timer IC 46. An end deciding part 48 detects that the logical data is stored in a data storing part 49 and delivers an extraction signal. The IC 46 gives the clocks showing the start and the end of a mark to an output bit processing part 47 by the set time data.


Inventors:
Matsunoshita, Junichi
Application Number:
JP1986000301362
Publication Date:
June 29, 1988
Filing Date:
December 19, 1986
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
H03M5/08; H03M5/02; H04L13/00; H04L13/16; H04L25/49; H04L29/06; H04L29/08; (IPC1-7): H03M5/02; H04L13/00; H04L13/16



 
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