Toner conservation by pel modulation with operator control

Details Toner conservation by pel modulation with operator control Toner conservation by pel modulation with operator control

1994-07-27

1998-03-17

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

358298, 358300, 358456, 347138, 347140, B41J 2415, B41J 2385, H04N 121, G02B 2608

Patent

active

057292701

ABSTRACT:
Toner is conserved in printer (1) under operator control by changing the final modulation for each bit in a bit map depending on whether the bit is an edge bit or an internal bit in the character being printed. Since only the final modulation is affected, processing speed and efficiency are not degraded. The operator can select various degrees of internal gray and internal white. Some levels of gray may be satisfactory for some final correspondence.

REFERENCES:
patent: 5317679 (1994-05-01), Ueda
patent: 5349377 (1994-09-01), Gilliland
patent: 5483625 (1996-01-01), Robertson et al.
patent: 5493320 (1996-02-01), Sandback, Jr. et al.
DP-Tek, Inc, Technical Disclosure; Tonemiser, Jul. 12, 1994.

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