US3757349A - Label writing apparatus - Google Patents

Label writing apparatus Download PDF

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Publication number
US3757349A
US3757349A US00238241A US3757349DA US3757349A US 3757349 A US3757349 A US 3757349A US 00238241 A US00238241 A US 00238241A US 3757349D A US3757349D A US 3757349DA US 3757349 A US3757349 A US 3757349A
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writing
medium
axis
pens
pattern
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L Fulton
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RCA Corp
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RCA Corp
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/121—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by printing code marks

Definitions

  • ABSTRACT A rotatable assembly includes a plurality of writing de- Appl. No.: 238,241
  • Apparatus for producing a pattern of concentric annuli on a recording medium comprises a means having an axis normal to the recording medium and having a plurality of writing means selectively able to be placed in writing condition to produce the concentric pattern, each writing means when in said writing condition being located at a different radial distance from said axis.
  • Means coupled to said writing means are also included which are responsive to the signals indicative of patterns to be recorded for placing corresponding ones of said writing means in writing condition.
  • a preferred form of the invention includes a selectable energy emitting means and a means movable past the energy emitting means comprising a plurality of energizable loads and a plurality of sensing means, each coupled to a different one of said loads, and a means for serially moving said energy sensing means past said energy emitting means.
  • Means responsive to the passage of each of said energy sensing means past said energy emitting means and to a source of signals causes the energization of said energy emitting means during the passage of selected energy sensing means, whereby the corresponding loads are energized.
  • FIG. 1 is a schematic showing of a label printer employing the present invention
  • FIG. 2 is an elevation view, partially in cross section of the print station of the FIG. 1 apparatus
  • FIG. 3 is a block circuit diagram of elements within block 52 and elsewhere in the label printer of FIG. 1;
  • FIG. 4 is a schematic circuit diagram of one embodiment of an energy emitting means and energy sensing means utilized in the apparatus of FIG. 1;
  • FIG. 5 is a schematic circuit diagram of another embodiment of an energy emitting means and energy sensing means utilized in the apparatus of FIG. 1.
  • FIG. 1 shows a strip of blank labels on a perforated wax material carrier 12, a portion being tilted for viewing. This strip extends from a spool (not shown) past an idler sprocket pulley 14, a position sensing assembly 15, a writing station 16 and a power driven sprocket pulley 18 to a take-up spool (not shown).
  • Idler sprocket l4 maintains frictional tension on carrier 12 while a conventional drive means 20, mechanically coupled through a conventional clutch and brake assembly 22, may be adapted to intermittently rotate the drive sprocket 18 in a manner to be described.
  • the label carrier is thereby held taut between the two sprocket pulleys.
  • Position sensing assembly 15 comprises a light source 150 and light sensitive device 15b respectively, positioned on opposite sides of labels 10.
  • the assembly senses the passage of holes 11 in labels l0 and may be connected to clutch and brake 22 to properly position labels for printing at writing station 16.
  • a motion creating means such as a rotary solenoid 30, under command of signals to be described, forces a platen 32 against the label carrier 12, thereby forcing a label 10 against a plurality of writing means 40 (which in a preferred form of the invention comprise ball-point pens) contained in a rotating pen housing 42.
  • the pen housing is rotatably mounted to the same frame 44 (only a small portion of the frame is shown) to which a number of the other elements are attached.
  • the pen housing may be continuously driven by a suitable motor.
  • the drive means 20 which drives sprocket pulley 18 may also be used to drive the pen housing.
  • pens 40 are raised into engagement with a label 10 while others of the pens 40 are retracted from the printing position.
  • Conventional pens will not write upside down (pen tip elevated).
  • Pens such as described in US. Pat. No. 3,425,779, issued Feb. 4, 1969, to PC. Fisher et al., however, have a pressurized fluid chamber and can thus write with the pen tip elevated above the fluid chamber.
  • the entire printer of FIG. 1 may be turned upside down or writing means 40 may be stylii and there may further be included at writing station 16 an inked ribbon 41 (shown in phantom) located between stylii 40 and labels 10.
  • the raised stylii cause ink to be transferred from ribbon 41 to label 10.
  • heated stylii 40 may be used with heat sensitive label stock 10. The heat may either be applied to each stylus individually or heat may be applied to housing 42 by a blower heater 43 heating all stylii. Then those stylii 40 which are in engagement with the label 10 cause it to darken in the shape of dark circles 64.
  • writing means 40 may be light producing devices which may be selectably turned on or off. Then label stock 10 may be light sensitive and there may be included a developing station (not shown).
  • the result of rotating the pen housing is a series of concentric annuli of varying widths on the finished labels as shown on the right in FIG. 1.
  • the black areas 64 represent marks made by the pens.
  • the combination of alternating black circles 64 and white circles 66 (the white circles are the background color of the label material 10) form a binary pattern which may be read by optical label scanning equipment (not shown).
  • Information concerning which pens are to be raised into writing position and which lowered out of writing position are determined by input signals supplied by thumbwheel switches 46 (seven of which are shown displaying the number 6517140 or some other source of data 48, such as a meat weighing scale. Signals from one or the other source are coupled via manually operable switch 50 to electronic circuitry 52 which is in proximity with. rotating housing 42.
  • the switch is shown only schematically in FIG. 1 and, in practice, may consist of multiple elements leading to multiple conductor cables.
  • the output of switch 50 is also coupled to a printing means 72 located adjacent pens 40 and opposite labels 10.
  • Printing means 72 may be adapted to print human readable information 74 on the labels corresponding to the information binarily encoded by the pens. While many types of printers could be employed if space permits, one very compact commercially available printer employs heatable electrodes in the shape of a standard seven segment numeric indicators, one indicator for each character to be printed. Then, by applying power to heat certain ones of the segments and by utilizing heat sensitive paper for labels 10, when platen 32 is lowered forcing the blank labels stock into selected pens 40 and printing means 72, human readable characters and binary information are applied to the label concurrently.
  • FIG. 2 which is a cross section of writing station 16, shows rotating pen housing 42 mounted in bearings 100 and 102 for rotation about axis 104.
  • Motor 20 rotates the pen housing and therefore the parts contained within it, by means of the belt 110 which engages pulleys 106 and 108.
  • Motor 20 is attached to frame 44 as is the stationary cylindrical housing 112 in which bearings 100 and 102 reside.
  • a pen assembly cassette 114 resides within housing 42 and rests on lugs 1 16.
  • the cassette comprises a plastic housing 118 which contains a plurality of pens 40, only two of which, 40a and 40b, are shown.
  • the cassette is held in place by a cover 120 removably secured to the pen assembly 42 by a plurality of fastening means 122.
  • cover 120 contains a plurality of precisely machined bores through which various ones of pens 40 protrude, the writing end of each pen is accurately positioned with respect to axis 104, each pen thereby being positioned at a different radial distance from axis 104.
  • cassette 114 is a relatively inexpensive device which can be removed and discarded when the pens are about to run out of ink.
  • a spherically shaped element 126 is located at the end of each pen opposite from writing end 124. Each element 126 may be inserted in, and removed from, a cavity 127 in a resilient slider member 128. Each slider 128 resides in a counterbore 130 in a member 132. Slider 128 is held within member 132 by a threaded capscrew 134. A compression spring 136 extending between a bore in the capscrew and slider 128 urges the slider and therefore pen 40 upward as illustrated in FIG. 2. Attached to each slider 128 is a wire 138 which extends to an associated solenoid 140 (only two of which, 140a and 140b, are shown) which control the movement, respectively, of pens 40a and 40b.
  • each wire 138 Surrounding each wire 138 is a sleeve 142. Each of the sleeves extends between a plate 144 and a plate 146. The sleeves are bonded to the two plates.
  • This arrangement provides proper guidance for wires 138 while preventing binding or kinking.
  • Solenoid 140a is illustrated inv the de-energized position and therefore pen 40a is in writing position (see FIG. 1) while solenoid 14012 is in the energized position therefore retracting its associated pen 40b away from the writing position.
  • the arrangement could be reversed by having tension springs 136 rather than compression springs. Then the solenoids would be adapted to push the pens into writing position.
  • a ninety-six tooth timing gear is attached to pen housing 42.
  • a stud 152 is mounted on the timing gear.
  • Magnetic pickup device 154 which is positioned close to the outer edge of the upper surface of the gear, produces an output pulse each time the stud 152 passes this device (once each gear revolution).
  • Magnetic pickup device 156 which is positioned close to the edge of gear 150, produces an output pulse in response to each gear tooth passing 96 pulses per gear revolution).
  • a slip ring assembly is also attached to rotating pen housing 42.
  • the slip ring assembly comprises a non-conducting material 162 supporting two conductive rings one, 164, on its top surface and the other, 166, on its bottom surface.
  • Contactors 168 and 170 which are in slidable contact with conductive rings 164 and 166, are secured to insulator 172 which is coupled to plate 44.
  • a housing 174 is secured to plate 44 by means of a plurality of studs 175 (only one of which is shown).
  • Housing 174 contains a plurality of energy emitting means, such as light emitting diodes 176a, b, c and d.
  • the diodes 176 are positioned opposite a plurality of energy sensing means 178, which in this example may be photo silicon controlled rectifiers (SCR).
  • SCR photo silicon controlled rectifiers
  • the photo SCRs are attached to pen housing 42. While there are only four light sensors 178 shown, in practice there is one such sensor for each solenoid 140.
  • a momentary start switch 200 is coupled to the set (S) input terminal of a first flip-flop 202.
  • the one output terminal of flip-flop 202 and magnetic pickup 154 are connected, respectively, to two inputs of AND gate 204.
  • the output terminal of AND gate 204 is coupled to the S terminal of second flip-flop 206, the one output terminal of which is connected as one input to AND gate 208.
  • the second input to AND gate 208 is from magnetic pickup 156.
  • the output terminal of AND gate 208 is connected to the advance (A) terminal of counter 211.
  • Counter 211 is of conventional design. Upon receipt of a pulse at its A input terminal, its count is incremented by l.
  • decoders CT are connected to the counter. Each produces a pulse in response to a different count.
  • decoder 212a produces an output pulse in response to a count-of-4 reached by counter 211 (this is indicated by the legend CT 4 within block 212a).
  • decoder 2l2b produces an output pulse when the counter reaches a count-of-8.
  • the output terminal of decoder 2120 is connected to an OR gate 214a, the output terminal of the latter is connected to switch position 1 of digit switch assembly 46.
  • the output terminal of decoder 212b is connected through OR gate 214b to switch position 2.
  • other decoders (not shown) are connected to the various other switch positions of switch assembly 46.
  • the count at which a particular pulse is produced for activating a particular switch may be determined by multiplying the switch number (the number in each of the seven blocks which comprise switch 46) by four.
  • the count-of-28 decoder 212g activates switch position 7; the count-of-24 decoder (not shown) activates switch position 6, and so on.
  • the output terminal of decoder 212g is also coupled to the S input terminal of third flip-flop 221.
  • the count-of-22O decoder 222 is connected to the reset (R) terminal of flip-flop 221.
  • the 1 output terminal of flip-flop 221 is coupled to platen solenoid 30 via amplifier 223.
  • Count-of-230 decoder 224 is coupled to the S input terminal of fourth flip-flop 226.
  • Position assembly is coupled to the R terminal f0 flip-flop 226.
  • the 1 output terminal of the flip-flop is coupled to clutch and brake assembly 22 via power amplifier 228, and to the control (C) input of an electronic switch 230.
  • Switch 230 couples a source of potential, V, to slip ring 166 (see also FIG. 2).
  • Slip ring 164 is coupled to a source of reference potential such as ground.
  • Countof-260 decoder 232 produces a RESET pulse which is coupled to the reset (R) terminals of counter 211, flipflop 202 and flip-flop 206.
  • the output terminals of the decoders 216a through 216g are connected respectively to second input terminals of OR gates 214a through 214g and are also connected respectively to the various character assemblies which make up printing element 72.
  • the output terminal of element 216a is coupled to one end of each of the seven segments of alphanumeric character 72a.
  • the output terminal of element 216b is coupled to one end of each of the 7 segments of character 72b and so on.
  • the switch assembly 46 may take any one of a number of forms. As a very simple example, at each position there may be a rotary switch which manually can be set to any one of the ten decimal digits 0-9. lfit is desired to print a label which represents, for example, the number 6517140 (as shown in FIG. 1) then the rotary switch at position 1 would be set to the number 6, the rotary switch at position 2 would be set to the number 5 and so on.
  • the four lines 240a through 240i d are effectively wired to the switches in parallel; however, they carry the binary code only of the switch position which is activated by an electrical signal from an OR gate 214.
  • switch position 1 is set to the decimal digit 6, then when OR gate 214a applies an energized pulse to switch position 1, the binary code for 6, that is, 0110 (0 on line 240a, l on line 24% and so on) will appear on the four lines 240.
  • the circuits for accomplishing this are simple and may include normally disabled gates connected between each switch position and lines 240. Each gate effectively isolates its switch position from the four lines until that gate is enabled by a signal from a decoder. Since only one such gate can be truned on at a time, only one switch position can connect to lines 240 at a time.
  • 46 may be a scale and have rather than manually operated knobs at each position, gearing or other mechanical translating means for converting the weight registered on a scale to the setting of the respective switch positions.
  • the input to the four lines 240 may be directly from a computer (which may be the other source 48 of FIG. 1) via the switch 50 of FIG. 1. Neither the source nor the switch (which would include four poles for the four lines 240 in this embodiment) are shown in FIG. 3 in the interest of keeping the drawing simple.
  • the four lines 240a-240d are connected to a 4:7 matrix encoder.
  • the latter translates the four bit code it receives to a seven bit code on its seven output lines 244a 244g.
  • These seven lines are connected, in parallel, to all of the alphanumeric indicators.
  • line 244a may be connected to the bottommost horizontal segment of all indicators;
  • line 24417 (not legended) may be connected to the lower leftmost segment of all indicators, and so on.
  • Each line is connected to the end of a segment opposite that to which the signal from a decoder CT is applied.
  • a segment receives a signal from a decoder at one of its ends and at the same time receives a signal from one of the lines 244 at its other end, that segment heats up.
  • the particular voltages involved are arbitrary and, for example, one voltage may actually be at ground and the other some 13 positive or negative level V.
  • the four lines 240a-240d are also connected to four energy emitting devices l76a-l76d. It arbitrarily may be assumed that when a line 240 carries a signal representing a l, the energy emitting device connected to that line is activated and when a line 240 carries a signal representing a 0, the energy emitting device 176 connected to that line remains unergized.
  • each photo SCR 178 is connected in series with a load to be energized such as a pen lifting solenoid 140.
  • the load may be a pin point light source producing a very narrow beam from each writing means 40 and which is selectively turned on.
  • the load may be a heating coil surrounding each writing device 40. In the latter two examples, writing means 40 are axially stationary.
  • a common terminal of each pen lifting solenoid is connected to slip ring 166.
  • the cathode terminal and triggering terminal of each photo SCR 178 are, respectively, directly and resistively coupled to slip ring 164.
  • FIG. 5 shows another method for transferring information from a stator to a rotor.
  • the energy emitting devices are electromagnets 176 rather than light emitting elements.
  • the energy sensing units 178 are reed relays rather than light sensors.
  • Each relay 178 includes two contacts 190a and lb and a small permanent magnet 192.
  • magnet 192 does not have sufficient energy to close contacts 190a and 19% but does have sufficient energy to hold them closed when they have been initially closed by an electromagnet 176.
  • Each of the reed relays is connected to a different one of pen lifting solenoids 140.
  • one side of each pen lifting solenoid is connected to slip ring 166.
  • one terminal of each reed relay 178 is connected to slip ring 164.
  • the reed relays are not made non-conductive merely by opening a line carrying a voltage. Rather, an auxiliary electromagnet 194 is required.
  • This electromagnet is polarized in a direction opposite that of electromagnets 176.
  • a normally open switch 230a (FIG. 3) is coupled to electromagnet 194 while voltage V is coupled directly to contactor 170. Therefore, when switch 230a is closed, and consequently power is applied to electromagnet 194, the electromagnetic energy in permanent magnets 192 is offset by the energy produced by solenoid 194 so that all relays which are energized will become de-energized. The flux produced in electromagnet 194 is insufficient to energize non-selected relays.
  • the alternate arrangement of FIG. is useful particularly when a load drawing a large current is utilized.
  • pen housing 42 may be constantly rotated by drive means (see FIGS. 1-3).
  • drive means see FIGS. 1-3.
  • the information to be printed on the label is set up in digit switches 46 or some other information source.
  • switch 200 (FIG. 3) is momentarily depressed, setting flip-flop 202 and thereby priming AND gate 204.
  • AND gate 204 is enabled and flip-flop 206 becomes set.
  • the timing relationship between the rotational position of timing lug 152 and magnetic pickup 154 is such that the timing lug passes magnetic pickup device 154 just prior to the time that the first column 177a of devices 178 is about to pass the column of sensors 176.
  • a pulse is emitted from decoder 212a.
  • the timing is such that when count of four decoder 212a is enabled, the first column 177a of energy sensors is positioned to receive the energy from the energy emitting devices 176a, b, c and d. If at tiis time switch 1 of bank 36 is set to the decimal number 6, the signals present on the four lines will cause a corresponding number of the elements 176 to become energized. For example, if the signals represent decimal digit 6 (binary 01 10 reading from a to d), then devices 176b and 176a will become energized and devices 176a and 176d will remain off.
  • the associated energy sensing devices (those in the first column 177a) will become and remain energized.
  • those which light strikes (the second and third ones in column 177a in this example) will be made conductive and will remain conductive until the voltage is interrupted at switch 230, an event to happen much later in the printing cycle.
  • those which are opposite electromagnets 176 will be placed in the closed position.
  • any penlifting solenoid 140 associated with an energized energy sensing device in column 177a will be energized.
  • a pen-lifting solenoid When a pen-lifting solenoid is energized, its associated pen 40 will be retracted downward away from the writing position, such as pen 40b (FIG. 2). There is one pen-lifting solenoid and one pen associated with each energy responsive unit 178.
  • a pulse from device 212g coupled to flip-flop 221 causes that flip-flop to become set which in turn energizes platen solenoid 30.
  • Energized platen solenoid 30 causes platen 32 (FIG. 1) to be forced downward, thereby forcing a blank label 10 into engagement with the various ones of pens 40 which are not retracted, and into printing electrode assembly 72. Therefore, as housing 42 continues to rotate for the next two revolutions, ink from pens 40 or from stylii 40 and ribbon 41, FIG. 1, will be applied to a blank label 10 to produce a label similar to finished labels 60. Alternately, heated stylii 41 will cause the circular information to appear on heat sensitive labels 10.
  • decoder 216a produces a pulse which is coupled to the digit position labeled 72a and also through OR gate 214a to position 1 of switch 46.
  • the output terminal of decoder 216a is coupled to one end of each of the seven bar segments which make up digit position 72a.
  • the output lines 244a through 244g are each coupled to the other end of a different one of the electrode segments.
  • switch position 1 of switch assembly 46 contains the numeral 6
  • various segments of digit position 72b are heated and so on, so that at a count of 170, certain ones of digit position 72g would be heated applying the last digit to the heat sensitive paper label.
  • conditions may be such I that the pulses produced by the various decoders 216a through 216g are too short in time to provide the necessary heating to printing assembly 72.
  • additional devices such as integrators between the various decoders 216 and printing devices 72 to ensure that pulses of sufficient duration are produced.
  • Reset flip-flop 226 causes clutch and brake assembly 22 to be de-energized and therefore stop label movement.
  • decoder 232 produces a RESET pulse. This RESET pulse resets the counter to a. count of zero and resets each of flip-flops 202 and 206, thereby preparing the printer to print the next label when start button 200 is once again depressed.
  • Apparatus for producing labels on a medium in the form of a pattern of concentric annuli comprising, in combination:
  • each writing means having an axis normal to the medium and including a plurality of writing means each of which can be selectively placed either in a writing or a non-writing condition, each writing means, in said writing condition, being located at a different radial distance from said axis;
  • said means for placing said writing means in said writing condition includes means for producing relative movement between selected ones of the writing means and said medium for establishing selected ones in their writing position.
  • Apparatus for producing information bearing labels on a medium in the form of a pattern of concentric annuli comprising, in combinaiton:
  • each pen when in said writing position being located at a different radial distance from said axis;
  • Apparatus for writing a pattern of concentric sectors on a medium comprising:
  • each of said writing means having an axis normal to the medium and including a plurality of writing means where each of said writing means can be placed either in a writing or a non-writing condition with respect to said medium and where each of said writing means in said writing condition is located at a different radial distance from said axis;
  • each of said writing means in writing condition is effective in response to the operation of said means for creating relative motion to write on said medium a sector of given radial dimension and said writing means are disposed with respect to said axis at distances which are evenly spaced and which are positioned such that a sector written by writing means substantially adjoins a sector which may be written-by.
  • the ones of .said writing means next an annulus; in order to form a pattern of concentric annuli on said medium.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electronic Switches (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Labeling Devices (AREA)
US00238241A 1972-03-27 1972-03-27 Label writing apparatus Expired - Lifetime US3757349A (en)

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US23824172A 1972-03-27 1972-03-27

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US (1) US3757349A (xx)
JP (1) JPS531092B2 (xx)
BE (1) BE797408A (xx)
CA (1) CA984663A (xx)
CH (1) CH566594A5 (xx)
DE (1) DE2315279A1 (xx)
FR (1) FR2178667A5 (xx)
GB (2) GB1425993A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844253A (en) * 1973-12-03 1974-10-29 Dayton Scale Model Co Photographic print marker
US3848257A (en) * 1973-11-23 1974-11-12 Bendix Corp Device for printing coded labels and the like
US4648699A (en) * 1985-10-31 1987-03-10 The Mead Corporation Point contact development of imaging sheets employing photosensitive microcapsules
US4792817A (en) * 1983-08-29 1988-12-20 Diagraph Corporation Ink jet printing systems
US5167457A (en) * 1990-11-15 1992-12-01 Telesis Controls Corporation Apparatus and method for marking arcuately configured character strings
US5606349A (en) * 1994-03-04 1997-02-25 Diagraph Corporation Ink jet system with serial data printheads

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315917A (en) * 1976-07-27 1978-02-14 Ugawa Shigeo Automatic positioning apparatus for business form printing machine

Citations (7)

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Publication number Priority date Publication date Assignee Title
US2590110A (en) * 1951-04-03 1952-03-25 Us Army System for producing an encoding device
US2672394A (en) * 1945-06-12 1954-03-16 Fred A Jeswine Multiple styli recorder
US2787513A (en) * 1954-08-24 1957-04-02 Carleton Henry Scratch recorder
US2936207A (en) * 1957-10-11 1960-05-10 Vernon J Pick Apparatus for displaying tri-dimensional data
US3220010A (en) * 1963-02-18 1965-11-23 Lockheed Aircraft Corp Azimuth-elevation plotter
US3359562A (en) * 1967-12-19 Apparatus for plotting time-sequence curves for time study
US3622758A (en) * 1968-06-27 1971-11-23 Rca Corp Article labeling and identification system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359562A (en) * 1967-12-19 Apparatus for plotting time-sequence curves for time study
US2672394A (en) * 1945-06-12 1954-03-16 Fred A Jeswine Multiple styli recorder
US2590110A (en) * 1951-04-03 1952-03-25 Us Army System for producing an encoding device
US2787513A (en) * 1954-08-24 1957-04-02 Carleton Henry Scratch recorder
US2936207A (en) * 1957-10-11 1960-05-10 Vernon J Pick Apparatus for displaying tri-dimensional data
US3220010A (en) * 1963-02-18 1965-11-23 Lockheed Aircraft Corp Azimuth-elevation plotter
US3622758A (en) * 1968-06-27 1971-11-23 Rca Corp Article labeling and identification system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848257A (en) * 1973-11-23 1974-11-12 Bendix Corp Device for printing coded labels and the like
US3844253A (en) * 1973-12-03 1974-10-29 Dayton Scale Model Co Photographic print marker
US4792817A (en) * 1983-08-29 1988-12-20 Diagraph Corporation Ink jet printing systems
US4648699A (en) * 1985-10-31 1987-03-10 The Mead Corporation Point contact development of imaging sheets employing photosensitive microcapsules
US5167457A (en) * 1990-11-15 1992-12-01 Telesis Controls Corporation Apparatus and method for marking arcuately configured character strings
US5606349A (en) * 1994-03-04 1997-02-25 Diagraph Corporation Ink jet system with serial data printheads
US5825375A (en) * 1994-03-04 1998-10-20 Diagraph Corporation Ink jet system with serial data printheads

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Publication number Publication date
GB1425994A (en) 1976-02-25
DE2315279A1 (de) 1973-10-18
JPS499926A (xx) 1974-01-29
CH566594A5 (xx) 1975-09-15
CA984663A (en) 1976-03-02
GB1425993A (en) 1976-02-25
BE797408A (fr) 1973-07-16
JPS531092B2 (xx) 1978-01-14
FR2178667A5 (xx) 1973-11-09

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