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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3548993 |
TYPE HEAD DRIVING AND STOPPING APPARATUS
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3540298 |
BINARY ADJUSTING MECHANISM
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3534847 |
HIGH SPEED TELEPRINTER
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3517124 |
DEVICE FOR ADJUSTING A TYPE CARRIER IN TELETYPE OR DATA TELETYPE MACHINES
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3516528 |
CHARACTER SELECTOR
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3510583 |
TELEGRAPH APPARATUS (5-UNIT-CODE) FOR THE SETTING OF SYMBOLS WHICH ARE ARRANGED ON A TYPE CYLINDER
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3498439 |
PHOTO-OPTICAL CODE TRANSLATOR AND SELECTOR
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3493090 |
MECHANISM FOR CONNECTING A ROTATABLE PRINTING HEAD TO A CHARACTER SELECTION DEVICE
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3605978 |
TYPE-SELECTING MECHANISM PROVIDING VISIBILITY OF PRINTED CHARACTERS DURING FUNCTION OPERATIONS
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3605977 |
THREE-AXIS DRIVE SYSTEM
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3582651 |
X-RAY IMAGE STORAGE,REPRODUCTION AND COMPARISON SYSTEM
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3467233 |
MECHANISM FOR POSITIONING A SPHEROIDAL TYPE HEAD TO PRESENT A SELECTED TYPE TO A PRINT POSITION
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3466393 |
RECEIVING SIGNAL DISTRIBUTOR FOR A HIGH SPEED TELEPRINTER OF THE START-STOP TYPE
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3465329 |
DIGITAL CONVERTERS
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3461235 |
DATA TRANSMISSION SYSTEM AND PRINTER
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3455428 |
TYPEWRITER RECEIVER MEANS
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