| 摘要 |
<p>PCT No. PCT/FR84/00228 Sec. 371 Date May 23, 1985 Sec. 102(e) Date May 23, 1985 PCT Filed Oct. 11, 1984 PCT Pub. No. WO85/01696 PCT Pub. Date Apr. 25, 1985.The invention relates to a circuit for feeding ink to an ink-jet printing head. Consideration is given to a circuit comprising in particular a first auxiliary circuit (R1), the function of which is to measure the ink pressure between the feed pipe (20) and the ink supply pipe (18) and a second auxiliary circuit R2 which serves if necessary to clear the orifice (41) for discharging ink drops (100). This circuit can also comprise a third auxiliary circuit R3 for delivering a signal which is representative of the viscosity of the ink. Measurement of the pressure and of the viscosity permits control of the principal parameters governing the operation of the printer which is equipped with the circuit. The invention applies to any ink-jet printer.</p> |
