Typewriting machines – Including selection of type-face by... – Plural typewriters coupled for simultaneous operation
Patent
1996-11-07
1998-10-06
Eickholt, Eugene H.
Typewriting machines
Including selection of type-face by...
Plural typewriters coupled for simultaneous operation
271 2, 271306, 270 5202, 395104, B41J 342
Patent
active
058167153
ABSTRACT:
This invention utilizes a simple mechanical buffer that will hold material and a two stage software buffering technique that controls the mechanical buffer to act as a First In First Out mechanical mechanism that allows other system events to be triggered off of dynamic thresholds. The two stage software buffering technique consists of a simple software FIFO with rule based logic to control input into a primary queue input and a secondary reserve queue which holds information as soon as it arrives. The decision to move information from the secondary reserve queue into the primary queue is based upon specific rules that are dynamically executed. This permits the creation of a dynamic threshold and allows the reliable triggering of the systems events. The foregoing permits material that is being produced at one fixed speed to be synchronized with material that is produced at variable speeds. The foregoing also permits a first document laser printer that has a constant printing time and a second envelope printer that has a variable print time to be synchronized. Thus, the document may be printed with a laser printer and the envelope printed with an ink jet printer.
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patent: 5324025 (1994-06-01), Chadwick et al.
patent: 5429349 (1995-07-01), Supron et al.
patent: 5559606 (1996-09-01), Webster et al.
patent: 5628249 (1997-05-01), Cordery et al.
Harman James L.
Kirschner Wesley A.
Ramadei Michael J.
Eickholt Eugene H.
Meyer Robert
Pitney Bowes Inc.
Reichman Ronald
Scolnick Melvin J.
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