Microfiche printer

Claim 2

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, and first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means, a bar co-operating with each said sensing means and markings on each said bar at regular intervals corresponding to the required spacing of the imagess on said fiche, each said bar having a plurality of series of said markings corresponding to different fiche formats, one of said sensing means and said bar being mounted for movement with said table and the other being fixed and said sensing means being connected to said first or said second drive means to stop the movement of said table each time said sensing means senses a marking on said bar.

Claim 3

The apparatus of claim 1 wherein each of said sensing means includes a feeler which engages the corresponding said bar and a switch operable by said feeler.

Claim 4

The apparatus of claim 2 in which said markings are in the form of notches into which said feeler drops.

Claim 5

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, a mirror between said projection means and said table, said mirror acting as a shutter, a viewing screen for receiving a projected image directed on to said screen when said shutter is in a closed position, said shutter allowing the image to fall on said tabe in its open position, and first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means, a bar co-operating with each said sensing means and markings on said bar at regular intervals corresponding to the required spacing of the images on said fiche, one of said sensing means and said bar being mounted for movement with said table and the other being fixed, and said sensing means being connected to said first or said second dirve means to stop the movement of said table each time said sensing means senses a marking on said bar.

Claim 6

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, a mirror between said projection means and said table, said mirror acting as a shutter, a viewing screen for receiving a projected image directed on to said screen when said shutter is in a closed position, said shutter allowing the image to fall on said tabe in its open position, and first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means, a bar co-operating with each said sensing means and markings on said bar at regular intervals corresponding to the required spacing of the images on said fiche, one of said sensing means and said bar being mounted for movement with said table and the other being fixed, and said sensing means being connected to said first or said second dirve means to stop the movement of said table each time said sensing means senses a marking on said bar.

Claim 7

The apparatus of claim 4 wherein said projection means includes a lens, and a cam for adjusting said lens between two positions in one of which positions the image on said screen is in focus and in the other of which positions The image on said fiche is in focus.

Claim 8

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means, a bar co-operating with said sensing means and markings on said bar at regular intervals corresponding to the required spacing of the images on said fiche, one of said sensing means and said bar being mounted for movement with said table and the other being fixed, and said sensing means being connected to said first or said second drive means to stop the movement of said table each time said sensing means senses a marking on said bar, and wherein each of said first and second drive means comprises an A.C. motor and said sensing means are connected to effect injection of D.C. into the winding of said motor in the reverse direction to effect rapid braking of said motor.

Claim 9

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means, a bar co-operating with said sensing means and markings on said bar at regular intervals corresponding to the required spacing of the images on said fiche, one of said sensing means and said bar being mounted for movement with said table and the other being fixed, and said sensing means being connected to said first or said second drive means to stop the movement of said table each time said sensing means senses a marking on said bar, and wherein each of said first and second drive means comprises an A.C. motor and said sensing means are connected to effect injection of D.C. into the winding of said motor in the reverse direction to effect rapid braking of said motor.

Claim 10

The apparatus of claim 6, wherein each of said sensing means includes a feeler which engages the corresponding said bar and a switch operable by said feeler, and said markings are in the form of notches in to which said feeler drops.

Claim 11

The apparatus of claim 7, wherein said bar has a plurality of series of notches corresponding to different fiche formats.

Claim 12

The apparatus of claim 1 wherein said first drive means comprises an electric motor, a lead screw and a reduction gear, said motor driving said lead screw through said reduction gear, said apparatus including a carriage for receiving said table slidably mounted thereon, said lead screw being coupled to drive said carriage, and said second drive means is mounted on said carriage and comprises a second electric motor and a lead screw, said second motor driving said table through said lead screw.

Claim 13

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, and first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means movable with said table, a fixed bar co-operating with said sensing means and notches on said bar at regular intervals corresponding to the required spacing of the images on said fiche, said sensing means comprising a feeler, and a switch connected to said first or said second drive means to stop the movement of said table each time said feeler senses a notch on said bar, said apparatus including a mirror between said projection means and said table, acting as a shutter, and a viewing screen for receiving a projected image directed onto said screen when said shutter is in a closed position, said shutter allowing the image to fall on said table in its open position.

Claim 14

Apparatus for forming microfiche from microfilm comprising projection means for projecting images from said microfilm, a table for supporting fiche material, and first and second drive means for displacing said table along two perpendicular axes to locate the areas on which an image is to be recorded in alignment with said projection means, wherein there is provided for each of said axes sensing means movable with said table, a fixed bar co-operating with said sensing means and notches on said bar at regular intervals corresponding to the required spacing of the images on said fiche, said sensing means comprising a feeler, and a switch connected to said first or said second drive means to stop the movement of said table each time said feeler senses a notch on said bar, said apparatus including a mirror between said projection means and said table, acting as a shutter, and a viewing screen for receiving a projected image directed onto said screen when said shutter is in a closed position, said shutter allowing the image to fall on said table in its open position.

Claim 15

The apparatus of claim 10 wherein said first drive means comprises an electric motor, a lead screw and a reduction gear, said motor driving said lead screw through said reduction gear, said apparatus including a carriage for receiving said table slidably mounted thereon, said lead screw being coupled to drive said carriage, and said second drive means is mounted on said carriage and comprises a second electric motor and a lead screw, said second motor driving said table through said lead screw.

Claim 16

The apparatus of claim 10 wherein said projection means includes a lens, and a cam for adjusting said lens between two positions in one of which positions the image on said screen is in focus and in the other of which positions the image on said fiche is in focus.