| 摘要 |
1276750 Recording apparatus HONEYWELL Inc 29 Oct 1969 [31 Oct 1968] 45717/71 Divided out of 1276749 Heading G1J [Also in Division G2] Before the conversion of a varying electrical signal to a charge pattern (developed with liquidsuspended reversal toner) by exposure of a charged photo-conductive web 12 moving at a variable speed to light from a source 32 and mirror galvanometer 30, the charged web is exposed to a lightsource 56 of an intensity dependent on the speed of the web such that a developed trace of constant density is obtained. Light-source 32 is also employed to produce vertical grid lines on the web by passage of a separate beam through a lens 60, horizontal grid lines being produced by the periodic action of a flash-tube dependent on the speed of the web. |
