Matches 1 - 50 out of 96 1 2 >


Match Document Document Title
4821644 Method and apparatus for positioning a member  
The method utilizes an encoding switch to derive encoded position signals representing the current position of a member such as the print element of a franking machine. The switch has conductive...
4156105 Circuit arrangement for synchronizing a type carrier in a printer  
A circuit arrangement is disclosed which compares a preferred position of a type carrier driven by a stepping motor with binary values of signals actuating the stepping motor. If a signal assigned...
4114750 Printer system having local control for dynamically alterable printing  
A printer system having local control for dynamically positioning a print head relative to a print medium utilizing positioning and print data signal inputs, including a control unit for receiving...
4051942 Printing apparatus  
A printing apparatus for an electronic calculator or the like comprises a first type wheel formed with mathematical operator symbols which is fixed to a spline shaft and a second type wheel formed...
4005264 Arrangement for scanning a disc-shaped type carrier  
An arrangement for scanning a disc-shaped type carrier in a code controlled printing device has a stepping motor which is controllable in the forward and backward directions for setting the type...
3992571 Differential optical polarization detectors  
A detector for differential optical polarization effects comprises a television camera incorporating a polarization analyzing system, the camera generating two similar video signals representing...
3885662 Steerable follower selection mechanism  
A selection mechanism is disclosed which employs a controlled steerable follower for selecting and following a cam groove in a barrel cam to cause relative translation between the barrel cam and...
3833107 TYPEWRITER  
A typewriter of the type in which keys on a keyboard are divided into at least a first and second key groups, wherein a torque bar is provided which is actuated in response to the depression of a...
3823265 CODE-CONTROLLED TELEPRINTER HAVING A TYPE CYLINDER WHICH CAN BE ADJUSTED BY MEANS OF A STEPPING MOTOR  
A teleprinter having a type cylinder wherein the instantaneous position of the type cylinder is known through a comparing system which utilizes a binary counter. A synchronizing mark is provided on...
3816656 TELEPRINTER HAVING A TYPE CYLINDER WHICH IS ADJUSTABLE BY MEANS OF A STEPPING MOTOR  
A teleprinter for n-step codes having a type cylinder which can be adjusted by a stepping motor by means of rotating the type cylinder in both directions comprises a position comparing device and...
3794150 AXIALLY AND ROTATIONALLY MOVEABLE PRINT HEAD  
A novel carriage apparatus for a high speed serial printer is herein disclosed. The carriage apparatus comprises a rotatable and axially positionable print head with an associated positioning...
3789971 SERVO CONTROL SYSTEM FOR A SERIAL PRINTER PRINT HEAD  
A novel print head positional control system for a serial printer is disclosed herein. The positional control system includes logic for determining the minimum displacements in each of two...
3780845 POWER DRIVEN TYPEWRITER WITH SINGLE TYPE HEAD  
A power driven typewriter comprising a shiftable carrier supporting a rotatable and axially movable flexible type drum having a plurality of circumferentially extending rows of type characters...
3746141 SHIFT DEVICE FOR POSITIONING SINGLE ELEMENT TYPE CARRIERS ON TYPEWRITERS AND LIKE MACHINES  
A range shiftable motion transmitting connection between a single element type carrier and a drive lever positionable by differential mechanism to any of n discrete positions permits positioning of...
3743073 PRINT HEAD SHIFTING MECHANISM  
An electromagnetically controlled shifting mechanism for aligning one of a plurality of type bands with a printing position. The shifting mechanism includes selectively energizable electromagnets...
3739897 INTERNAL ACTUATOR FOR IMPACTING A SERIAL PRINTER PRINT HEAD  
A novel internal actuator for impacting the print head of a high speed serial printer with a print medium is disclosed. The internal actuator engages the interior of a rotatably and axially...
3738471 TYPE HEAD SHIFTING APPARATUS  
A type head has two substantially hemispherical surfaces, with lower case and upper case types, respectively, arranged in circular rows. The lower case surface is normally in an operative position...
3703230 TYPEHEAD SETTING DEVICE  
A spherical type head is mounted on a supporting shaft for rotation about a first axis, and the supporting shaft is rotated by line selector means about a second axis intersecting with the first...
3696906 CHARACTER SELECTING DEVICE FOR A PRINTING MECHANISM  
A character selecting device for a printing mechanism comprising a type-bearing element having a set of characters selected in accordance with the combination of a plurality of binary code units....
3695410 SERIAL PRINTING MACHINE  
A serial printing machine having a platen and a print carriage, head assembly having a type wheel with a plurality of lines of type, means for moving the type wheel vertically with respect to the...
3687071 TIMING MECHANISM FOR PRINTING APPARATUS EMPLOYING FLYING PRINTING ACTION  
A timing mechanism for printing apparatus utilizing a uniformly rotating type carrier provided with type characters arranged on the circumference thereof, against which a recording carrier is...
3677384 MECHANISM FOR POSITIONING SINGLE ELEMENT TYPE CARRIERS  
Mechanism is provided to selectively rotate and tilt a single element type carrier to position a character in a selected row and column location for printing. Rotation and tilt from a rest position...
3647040 SINGLE PRINTING ELEMENT POSITIONING MECHANISM  
A mechanism for high-speed printing characterized by a low mass type body positionable about first and second intersecting axes for type selection, and mounted on support structure swingable about...
3625331 TYPE HEAD POSITIONING APPARATUS  
The type head of a typewriter or like business machine is turned about perpendicular axes by two incremental links in order to place a character selected by actuation of a key, in a printing...
3621966 SELECTOR FOR TYPE WHEEL PRINTING MACHINE  
Selectors for a printing machine having a plurality of type-carrying wheels mounted in a printing carriage. A transversing selector selects a particular type wheel out of all the type wheels and a...
3616888 TYPEWRITING MECHANISM HAVING PLURAL TYPE WHEEL TYPE HEAD  
A typewriter mechanism which uses a plurality of type wheels with the characters thereon. The type wheels are positioned in a type wheel head which is actuated by an axial selector means and a...
3610390 COMPACT HIGH-SPEED TELEPRINTER MECHANISM  
A compact code-controlled high-speed character printer uses a rotatable wheellike printing element of low inertia which is rotated by selective, digitally-metered movement of a tensioned cable to...
3608692 SELECTOR STRUCTURE FOR PRINTING MACHINE  
A teleprinter for printing characters on a receiving medium in response to a telegraphic code, including a platen, a carriage movable along the platen, a cylindrical type element mounted on the...
3599773 DEVICE FOR SELECTIVELY POSITIONING A MEMBER IN A SERIES OF OPERATIVE POSITIONS  
In a mechanism, suitable for operating the type-carrier of a printing assembly, a device for selectively positioning a member positionable from an inoperative position to a series of operative...
3596745 SOLENOID OPERATED TYPE HEAD SETTING ARRANGEMENT  
The keys of a typewriter effect the energization of selected electromagne windings whose cores are displaced steps of different length. The cores are connected to a control element which is...
3596746 MULTITYPE WHEEL PRINTING MACHINE  
Teleprinting machine in which the characters are distributed on a plurality of type wheels. It comprises a type wheel carriage slidable along and rotatable about a selector shaft, a plurality of...
3572486 PNEUMATIC SETTING ARRANGEMENT FOR A TYPE HEAD  
A series of pairs of interconnected cylinders and pistons is provided for setting a type head between different printing positions. The cylinder and piston of each pair are movable between a...
3560652 TYPE CYLINDER POSITION MONITORING CIRCUIT  
A plurality of mirrors, each lying in a different plane and each separated from the others by nonreflective segments, are mounted on the top of a type cylinder for rotation therewith, and photocell...
3559791 TYPE HEAD ARRANGEMENT  
A rotary and axially shiftable type head is composed of a stack of type discs provided with circumferential rows of type faces. A selected type disc having a type face corresponding to a selected...
3548993 TYPE HEAD DRIVING AND STOPPING APPARATUS  
3540298 BINARY ADJUSTING MECHANISM  
3534847 HIGH SPEED TELEPRINTER  
3517124 DEVICE FOR ADJUSTING A TYPE CARRIER IN TELETYPE OR DATA TELETYPE MACHINES  
3516528 CHARACTER SELECTOR  
3510583 TELEGRAPH APPARATUS (5-UNIT-CODE) FOR THE SETTING OF SYMBOLS WHICH ARE ARRANGED ON A TYPE CYLINDER  
3498439 PHOTO-OPTICAL CODE TRANSLATOR AND SELECTOR  
3493090 MECHANISM FOR CONNECTING A ROTATABLE PRINTING HEAD TO A CHARACTER SELECTION DEVICE  
3605978 TYPE-SELECTING MECHANISM PROVIDING VISIBILITY OF PRINTED CHARACTERS DURING FUNCTION OPERATIONS  
3605977 THREE-AXIS DRIVE SYSTEM  
3582651 X-RAY IMAGE STORAGE,REPRODUCTION AND COMPARISON SYSTEM  
3467233 MECHANISM FOR POSITIONING A SPHEROIDAL TYPE HEAD TO PRESENT A SELECTED TYPE TO A PRINT POSITION  
3466393 RECEIVING SIGNAL DISTRIBUTOR FOR A HIGH SPEED TELEPRINTER OF THE START-STOP TYPE  
3465329 DIGITAL CONVERTERS  
3461235 DATA TRANSMISSION SYSTEM AND PRINTER  
3455428 TYPEWRITER RECEIVER MEANS  
Matches 1 - 50 out of 96 1 2 >