| Patent Number |
Title Of Patent |
Date Issued |
| 4494127 |
Apparatus and method for recording both machine-readable and printed information |
January 15, 1985 |
| A device for recording both machine readable information and visible information on a recording member such as a time-card or ledger card or pass-book with a strip of magnetic record material on it. The device includes recording apparatus for recording machine readable information on |
| 4203122 |
Electrical stylus adjustment means and method for rotary electrical printer |
May 13, 1980 |
| The printer records images in the form of dots on electrical discharge-sensitive paper. Three groups of five styli are mounted on a rotor. The paper is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor. A disc is mounted on the |
| 4203121 |
Rotary electrical printer and method using dot-by-dot synchronization |
May 13, 1980 |
| The printer records images in the form of dots on electrical discharge-sensitive paper. Three groups of five styli are mounted on a rotor. The paper is in strip form and is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor. Cha |
| 4203120 |
Record drive system for rotary electrical stylus device |
May 13, 1980 |
| The device records images in the form of dots on electrical discharge-sensitive paper. Electrical styli are mounted on a rotor. This individual patent is directed specifically to the feature of the invention whereby the platen against which the styli press the paper during recording |
| 4178601 |
Record drive means for rotary electrical stylus device |
December 11, 1979 |
| The device records images in the form of dots on electrical discharge-sensitive paper. A plurality of styli are mounted on a rotor. The paper is in strip form and is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor, so that th |
| 4178600 |
Record feed means for rotary electrical stylus device |
December 11, 1979 |
| The device records images in the form of dots on electrical discharge-sensitive paper. Multiple styli are mounted on a rotor. This divisional patent is directed to the paper feed means in which the paper is fed past the styli through a concave guide. The housing of the device is cyli |
| 4178599 |
Mounting structure for rotary electrical stylus device |
December 11, 1979 |
| The device records images in the form of dots on electrical discharge-sensitive paper. A plurality of styli are mounted on a rotor. The paper is fed past the rotor. The paper has a coating which is eroded away by sparks between the styli and the paper. This divisional patent is direc |
| 4178583 |
Rotary printing method |
December 11, 1979 |
| The printer records images in the form of dots on electrical discharge-sensitive paper. A plurality of styli are mounted on a rotor. The paper is in strip form and is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor. Each styl |
| 4177472 |
Rotary electrical printer and method automatic blackness control for rotary electrical printer |
December 4, 1979 |
| The printer records images in the form of dots on electrical discharge-sensitive paper. A plurality of styli are mounted on a rotor. The paper is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor. This divisional patent is dire |
| 4176364 |
Grounding device for rotary electrical printer and method |
November 27, 1979 |
| The printer records images in the form of dots on electrical discharge-sensitive paper which has a conductive coating on one surface. A plurality of styli are mounted on a rotor. The paper is fed continuously through a curved guide in a direction perpendicular to the plane of rotatio |
| 4100551 |
Rotary electrical printer and method |
July 11, 1978 |
| The printer records images in the form of dots on electrical discharge-sensitive paper. Three groups of five styli are mounted on a rotor. The paper is in strip form and is fed continuously through a curved guide in a direction perpendicular to the plane of rotation of the rotor, so |