US1374606A - Printing telegraphy - Google Patents

Printing telegraphy Download PDF

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Publication number
US1374606A
US1374606A US173546A US17354617A US1374606A US 1374606 A US1374606 A US 1374606A US 173546 A US173546 A US 173546A US 17354617 A US17354617 A US 17354617A US 1374606 A US1374606 A US 1374606A
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US
United States
Prior art keywords
bars
selecting
printing
bar
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US173546A
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English (en)
Inventor
Pfannenstiehl Harry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to US173546A priority Critical patent/US1374606A/en
Priority to GB5736/19A priority patent/GB139306A/en
Priority to FR508998A priority patent/FR508998A/fr
Priority to NL11627A priority patent/NL6249C/xx
Priority to DE1920B0093686 priority patent/DE377036C/de
Application granted granted Critical
Publication of US1374606A publication Critical patent/US1374606A/en
Priority to GB7345/22A priority patent/GB199101A/en
Priority to DEB104070D priority patent/DE451892C/de
Priority to NL21721A priority patent/NL14718C/xx
Priority to FR26334D priority patent/FR26334E/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/16—Apparatus or circuits at the receiving end
    • H04L17/26—Apparatus or circuits at the receiving end using aggregate motion translation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/16—Apparatus or circuits at the receiving end
    • H04L17/22—Apparatus or circuits at the receiving end using mechanical translation and type-bar printing

Definitions

  • One of the principal objects of this invention is to provide a' telegraph receiver of the above class wherein all the necessary functions are performed in a reliable and efiicient manner at a high rate of speed.
  • Another object is the provision of means whereby the printing of one character may be effected simultaneously with theselection of'the next succeeding character.
  • a further object is to provide a receiving printer of the above class, suitable for printing messages in page form and one which is capable of providing a plurality of duplicate coples.
  • a still further object is the provision-of means whereby the power .mechanism for operating the printer may operate intermittently and only when signaling impulses are being received.
  • ings embodies a telegraph receiving printer comprising stationary selecting mechanism, a,stationary paper platen, and printing elements adapted to be moved transversely of
  • the printing mechanism disclosed is of standard typewriter constructioniand, in fact, the invention is applicable to any suitable typewriting mechanism of thetype bar sort.
  • the various mechanical opera-v tions of the printer are performed by 'a battery of rotating cams cooperating with bell crank levers or suitable operative members to effect the desired operation.
  • the cam members are mounted on a rotatable shaft to which power may be imparted by means of a motor, or any'suitable driving mechanism.
  • One of the essential features of this invention is the timing of the various operations performed by the rotating cams.
  • the selecting mechanism consists of a plurality'of stationary selecting-magnets and 'a corresponding number of horizontal selecting ars controlled by said magnets.
  • the selecting bars extend entirely acrossthe printer and are adapted 'to be raised and lowered but are not arranged to be moved endwise. y A
  • A'plurality of notched code bars or permutation bars are provided, and the arran'gement of these bars, with respect to the selecting bars, is such that When any combination is set up by the selecting magnets only one of ChGEOdQ bars will be permitted to move. forward and mesh with the selectifig bars.
  • Each of the code bars controls a pull bar which is adapted to be moved for ward by a code bar, when selected, into the path of a reciprocating printing bar, which printing baris preferably controlled by the rotating cam shaft.
  • a ull bar is moved forward and engaged by t e printing bar, atype face carried by the selected type lever is thrust, against the paper platen and the selected character printed.
  • the selecting and printing operations are so timed that, while one character-is being printed, the next succeeding character may be select; ed so that there is no time lost between the. selecting and printing operations.
  • FIG. 2 is a vertical sectional view taken just to the right of the center of Fig. 1 with the movable type carriage in the center
  • Fig. 3 is a vertical sectional view through the special selecting mechanism at the left-hand side of Fig. 1
  • Fig. 4 is a plan view of a portion of the selectin mechanism shown in the front of Fig. 1
  • ig. 5 is a detail view of the driving and brake mechanism
  • Fig. 6 is a vertical sectional view on line 66 of Fig. 5
  • Fig. 7 is a detail view of a one-way clutch taken on line 77, Fig. 5.
  • the mechanism herein disclosed is operping and holding the shaft against rotation, 4
  • the cam surface being so, shaped as to bring the shaft to a positive stop without shock or jar to the operating parts.
  • 1 starting magnet for operating a trip, comprising a toggle-joint and a series of levers which provide slack in the brakeband and permit the shaft to make one complete revolution when it is again gripped by the band and held until the starting magnet is again energized.
  • the invention is illustrated in" combination with a type carriage of a form so well known as to require no detailed dezg atednpreferabl bv various onibinationyof'scriptionT
  • The"typecarriage 10 carrying five positive and negative selecting impulses, with an additional impulse following each group of selecting impulses for starting the mechanism in operation.
  • the impulses may arrive over a line from a distant station and may be distributed to the selecting and starting magnets by means of a Baudot distributer, or any other of the well known distributing systems.
  • the movable type carriage including the type levers, bell crank levers, code bars, universal printing bar, etc.,v is adapted .to be moved from left to right, transversely of the machine against the tension ofa spring, onecharacter spacev for each revolution of thecam shaft, and is adapted to be released, and returned to its initial position bythe said spring, for commencing a new line.
  • the cam shaft which performs all the impulses for selecting the character D, and
  • the selecting mechanism consists of five selecting magnets 15, 16, 17 18 and 19 (only four of which are shown in Fig. 1), five horizontal selecting bars 20, 21, 22, 23 and 24 extending entirely across the printer at right angles to the code bars, and five latches 25, 26, 27, 28 and 29 extending from the armatures of the selecting magnets, to the selecting 'bars.
  • the selecting bars are normally held in the position shown by the latches 25 (.0129 inclusive, and the notched members 11, *and when released and permitted to drop they are held in their lowered positions by means of springs 13, until rearmature 31 and locking members 32.
  • the'overlap magnet and a starting magnet 33 which may be connected either in-series or in parallel, are operated by a sixth impulse, or an impulse following the five selecting impulses. Or they may be connected in independent circuits and the overlap magnet may be controlled. by a contact actuated by a cam on the cam shaft.
  • the sixth impulse effects the energization of the overlap magnet 30 and the starting mag; net 33.
  • the ener ization of the starting magnet 33 causes t e release of the brakeband 34 (which action will be more fully described hereinafter), and permits the cam shaft 48- to start rotating.
  • the code bars 40 are normally held in the position shown by the universal bar 41, which extends entirely across the type carriage in front of the extensions42, carried by the bars 40, the forward pull of the springs 43 being insufiicient the pull I of
  • the universal bar 41 and the printerbar 45 are moved out of their normal positions by means of a striker bar 46, which i bell cran shown, by suitable springs;
  • On each of the bracket arms 49 and 50 is secured an adjustable member 52, one of which is clearly shown in Fig. 2.
  • an arm 53 On the supporting rod 51 and adjacent each of the bracket arms 49 and 50-is pivotally mounted an arm 53, which arms are adapted to be engaged and operated by the cams 47.47.
  • Each'of the arms 53 carries a member 54 which is normally held in engagement with its corresponding adjustable member 52, by a spring 55,. but'may be held away from themembers 52 for certain purposes as will presently ap ear.
  • springs144 and 64 By a proper 'selection of, springs144 and 64 these bars may be returned to normal with equal rapidity and, in fact, it isdesirable that the springs 64 ,be of such stren ,h, that the printing bar will strike the se ected'pull-bar with such force that the pull bar will travel ahead and disengage itself from the printing bar and permit thesprings 66 to return the actuated pull bar to normal position as the paper platen with sufficient force for manifolding and may also be sufiicient to cause the type bar to return to normal due to rebound, or the return action of the type bar may be increased by providing aspring, such as 67, connected to each of the connectin links 63.
  • aspring such as 67
  • the code bars he function of the code bars is to move the pull bar, corresponding to the character selected, into the path of the reciprocating printing bar 45., Therefore, as soon as a particular pull bar'has been engaged by the printing bar, the selected code bar should be withdrawn so that the selecting bars may be restored and a new selection set up.
  • the springs 44 should, therefore, be of such strength as to restore the universal bar 41 the instant the printing bar engages the selected pull bar.
  • the cams 36-36 acting upon the plungers 35-35, rock the members 3737 and raise the members 1111 to restore the selecting bars to normal, ready for a new selection.
  • pivotally mounted rod 75 is provided which may be j ournaled in the frame of the printer or supported in any suitable manner. Rigidly secured to the rod 75 are two bracket arms '76 (only one of which is clearly shown), which carry the rack 77. To the free end of the operating lever 78 is connected an arm 79 on the end of which is a pawl 80, adapted to engage the teeth of the on and cooperating with the rack 77, the
  • the spac ng mechanism is so arranged that the type carriage will be stepped ahead immediately after a character is printed, although obviously, spacing may be effected, if desired, before theprinting of each character.
  • the spacing is effected in the manner above described, but the selecting mechanism is not actuated to permit printing of a character, that 1s, the first five selecting impulses are such that no code bar is selected and consequently no pull bar will be permitted to move into the path of the reciprocating printing bar.
  • the cam 82 in addition to controlling the spacingbetween characters and words, also controls the position of the inking ribbon 85 which is normally in the position shown in Fig. 1.
  • the extension 86 engages the crank arm 87
  • the rotation of the rod 88 and bracket arms 89 and 90 acting upon the pins 91 and 92 cause the ribbon 85 to be moved in front of the type bar 'ust as it strikes against the paper platen.
  • he springs 93 and 94, acting on the pins 91 and 92 serve to hold the ribbon down from in front of the printed characters so that they are visible at all times except at the instant a character is printed.
  • Any suitable ribbon feeding mechanism may be provided for feeding the ribbon transversely of'the machine.
  • the overlap magnet 30 may always be operated by an impulse following the five selecting impulses.
  • the function ofthe overlap magnet, together with the locking mechanism is to make possible the selection of a new character while the preceding character selected is being printed.
  • Each of the latches 25 to 29 inclusive is provided with an extension. 68, (Fig. 4) so placed that when a selecting magnet is energized to withdraw its respective latch from under its corresponding selecting bar the extension 68 will be engaged by a' stop 69, carried by each of the members 32, and the latches corresponding to the actuated selecting magnets will be held in their moved positions until the magnet 30 attracts its armature 31 and withdraws the stop 69 from engagement with the extensions 68 on the moved latches.
  • the cam shaft 48 is normally tendlng to rotate under the action of a driving spring 95, but 1s of a brake-band 34, the tension 0 which is controlled by a starting magnet 33, and a series of levers.
  • the starting magnet 33 When the starting magnet 33 is energized by the sixth or startin impulse it attracts its armature 96 and moves the toggle-joint 97 in the direction of the arrow A about the pivotal point 98.
  • the 'cam shaft in addition to performing the various operations incident to selecting and print-1 ing, which have already-been described, also controls means for storing up power in the dI'lVlng spring 95 and cooperates with su t,
  • Fig. 5 is shown the motor 101, driving shaft and pinion 103 carried thereby, cooperating with the gear 104 for winding up the spring 95.
  • On the shaft 48 is a key '105 cooperatin with a nut 106 threaded on a sleeve 107.
  • ontacts 108 and 109 control the series field of the motor 101 and are adapted to be closed upon the rotation of the cam shaft, by the movement of the traveling nut 106 toward the key 105.
  • the motor w1ll start and again wind up the spring 95 a predetermined amount, ready for-thenext revolution of the cam shaft.
  • a one-way clutch (Fig. 7) is provided.
  • the clutch comprises balls or rollers 175 which are held in the position shown by yielding springs 176.
  • the rollers 175 permit the motor shaft 102 to rotate in the direction of the arrow and prevent the shaft from rotating in the opposite direction due to the friction set up between the rollers and the shaft and between the' rollers and frame 177.
  • suitable mate ial may be placed between the ciprocating member 135 carried by a bell crank lever 136, which is operated by a cam brake-band and drum 115 to reduce slippage and insure positive action of the brake-band.
  • the bar 125 moves forward under the action of suitable springs it moves a pull bar 134 forward in the path of a reon the cam shaft 48.
  • the pull bar 134 is connected to the rack 77 and when the rack is pulled down by the action of the pull bar, the rack is disconnected from the worm wheel 84 and is temporarily locked down by pletely returned by the action of a suitable I spring'and tape 141, whereupon, the member 142 carried by the type carriage engages the disk 138, forcing it back against the ac tion of spring 139, thereby permitting the rack 7 7 to return to normal and engage the worm-wheel 184.
  • the type bars are provided with two rows of type faces, one above the other. lower row of type faces is the row normally used.
  • a particular group of signals is transmitted for selecting code bar 122, which cooperates with suitable mechanism to raise the paper platen so that The when the type bars are operated the type faces of the upper row will be pressed against the platen.
  • the bar 122 is selected and permitted to move forward it engages an arm 160 which rocks the supporting rod 161, carrying the arm 162 and the arm 165 which is pivotally supported by the frame of the printer at 166 and elevates the frame 167' .which supports the paper platen 145. From Fig.
  • This holding pawl 17 3 does not engage the extension 174until the striker bar 164 has moved the pull bar 163 to its extreme ,downward position and consequently has effected a complete shift of the paper platen.
  • the sending operator should at certain times be able to signal the receiving operator. This may be accomplished by transmittin a group of impulses for selecting the speeia code bar 121. When the bar 121 is permitted to move forward a pin carried thereby eflects the closure of a pair of contacts 181. These contacts may control the ringing of a bell, the lighting of a lamp or any desired signaling means. It is obvious that to operate the signaling means a plurality of times successively the bar 121 maybe repeatedly selected, as often as desired. 4
  • the pawl rides'upon the cam surface 189 and prevents the pawl from engaging the teeth of ratche 81 and consequently prevents the rotation of shaft 14 and worm-gear 84.
  • a break is provided in the operating circuit of the starting magnet which break is controlled by the latches 25 to 29 inclusive. Whenever, any one. of the se- 188 is moved under the free end of arm 186 lecting magnets withdraws its respective latch from under a selecting bar it simultaneously .closes the circuit contacts 195, thereby preparing the circuit for the starting magnet ready for the sixth or starting impulse. Therefore, the printer can not be operated until at least one positive selecting impulse is received.
  • type basket comprisingta plura ity of type bars movable transversely with respect to said platen, and permutation means selectively controlled by line current impulses for controlling the operation of the type bars for line printing.
  • a traveling carriage having a plurality of selectable members movable therewith, a plurality of similar stationary selectable members, and means .common to all said members for selecting any one of them.
  • traveling carriage comprising a plurality of type bars and a corresponding number of individually operable code bars, and electroresponsive selecting mechanism controlled by line current impulses and cooperating with said code bars for controlling the operation of said type bars.
  • a stationary printing platen in combination with a type carriage movable transversely with respect to said platen and having a plurality of type bars operable selectively, a plurality of code bars supported by said carriage, and mechanism responsive to line current impulses and cooperating with said code bars to selectively operate said type bars for line printing.
  • a printing telegraph receiver a plurality of selecting magnets, a selecting bar individual to each of said magnets and controlled thereby, a plurality of individual permutation bars the selection of any one of which determines the character to be printed, and means for moving said selecting bars in a. direction at right angle to their length to select one of said permutation bars.
  • a selecting, mechanism comprising a plurality of selecting bars normally tending to move, means restraining said bars against movement, selecting magnets for conditioning predetermined ones of said bars for movement, a power Shaft. and means operated thereby subsequent to the operation of said magnets for hontrolling the movement of the conditioned bars and for restoring said bars to normal.
  • a stationary printing platen of a plurality of individually movable printing elements, means for moving said elements in a group-longitudinally with respect to said platen, and permutation mitting the selected ones of said bars to move to their selecting positions. simultaneously and for restoring said bars to normal position, and means controlled by said selecting means for printing any desired character.
  • a movable type carriage comprising a plurality of type bars, a stationary paper platen, a rotatable cam shaft, and means controlled by said cam shaft and cooperating with said type bars for effecting the printing of a desired character.
  • said selecting means may and means for movin prising a traveling carnage, a rack, a wormtionary move to their selecting position and for restoring said selecting means to normal position.
  • a rotatable shaft normally tending to rotate, line controlled means for releasing said shaft, means controlled by said shaft for effecting the selection and printing of any desired character, and a friction-brake con-. trolled by the rotation of said shaft for stopping it at the end of each revolution.
  • a movable type carriage comprising a plurality of printing bars, a rotatable cam shaft, and means controlled by said shaft for moving the type carriage step by step for the printing of each character.
  • a movable type carriage including selectively operable type bars, a rotatable cam shaft, means controlled by said shaft for stepping the type carriage forward when each type bar is operated, and means controlled by said cam shaftfor permitting the return of the type carriage to its initial position.
  • a movable carriage comprising a plurality of type levers,- a toothed rack, a cam shaft, a pinion coeperating with the toothed rack and actuated by said cam shaft for moving said carriage in one direction step by step, the carriage in the opposite direction to 1ts initial position in one operation.
  • said selecting mechanism means for moving said'printing means in a direction transversewith respect to said selecting mechanism, and means whereby said selecting mechanism can select a new character before the printing of the preceding character toa set of line current impulses for selectively releasing said members, means for restoring said members, and means operating on the receipt 'of a second set of line impulses before the complete restoration of said members to lock said releasing'means in their selected positions.
  • a plurality of selecting members means responsive to a set of line current impulses for selectively releasing said members, ;means for restoring said members, means operating on the receipt of a second set of line impulses before the complete restoration of 7 said members to lock said releasing means in their selected positi0ns,'and means for releasin said locking means.
  • a printing telegraph receiver, selecting mechanism comprising a. pluralit of selecting bars, a latch individual to eac of said bars and normally in e agement therewith, means for withdrawing .said latches from engagement with said selecting bars, means for holding said latches out of engagement with said bars, and means forreleasing said holding means.
  • lecting mechanism comprising a pluralityof selecting bars, a 'latch normally in engagement with each of said bars, means controlled by line current impulses for Withdrawing said latches from engagement with 7 said selecting. bars, means for holding said latches out of enga ement with said bars 21.
  • a sta-I and means for releas ng said holding means In a printing telegraph receiver, a sta-I and means for releas ng said holding means.
  • selecting mechanism "a plurality of type levers responsive to said selecting mechanism and coiiperating with saidpaper platen for printing any desired character, and means for placing said selecting mechanism in readiness for the selection of a character before the printing of the pieceling character selected thereby is com- P ete v 22.
  • selecting mechanism responsive to line ourrent impulses, type bar printing mechanism ,controlled thereby and movable transversely 28.
  • a selecting mechanism comprising a plurality of selecting bars movable in a direction transversely of their length, latches for holding said bars in their normal positions, means for withdrawing said latches to permit actuation of said selecting bars, and means for restoring said selecting. bars to normal.
  • selecting mechanism comprising a plurality of selecting magnets, a plurality of selecting bars, a plurality of latches normally in engagement with said selecting bars and arranged to be actuated by said'selecting magnets, meansfor holding said latches out of from said latches.
  • Printing telegraph l apparatus com- 1 motor for controlling the tension of said spring, means controlled by said shaft for causing the intermittent operation of said motor, and a clutch for preventing counter rotation of said motor.
  • Printing telegraph apparatus comprising a rotatable cam shaft, a spring for driving said shaft, an intermittently operating motor for winding said spring, circuit connections for said motor, and a traveling nut actuated by said cam shaft for controlling the circuit connections of said motor.
  • Printing telegraph apparatus comprising an intermittently operating motor, circuit connections therefor, a shaft, means connecting the shaft and the motor, means actuated by the rotation of said shaft for controlling the circuit connections of the motor, and means for preventing counter rotation of said motor.
  • Printing telegraph apparatus com prising a rotatable shaft, driving means for said shaft, line controlled means for render-' ing said driving means effective, a reciprocating member supported by said shaft for controlling the driving means, and a clutch for preventing backward rotation of said drivin means.
  • 35. rinting telegraph apparatus comprising a cam shaft normally tending to rotate, means for releasing said shaft, and a brake-band controlled by said shaft and cooperating therewith to stop the rotation of said shaft at the end of each revolution.
  • Printing telegraph apparatus comprising a rotatable shaft, means for driving said shaft, a friction-brake for controlling the rotation of said shaft, a magnet for releasing the brake, and means carried by said shaft for controlling the operation of said driving means.
  • Printing telegraph apparatus comprising a rotatable shaft, means for driving the said shaft, a friction-brake for .holding said shaft against rotation, a magnet for releasing said brake, and means actuated by the'shaft for controlling the operation of the driving means.
  • Printing telegraph apparatus comprising a cam shaft normally tending tor0- tate, a brake-band for holding said shaft against rotation, a toggle-joint forreleasing said brake-band instantaneously, an electromagnet controlled by line current impulses for actuating said toggle-joint, and cams carried by said shaft and cooperating with said brake-band for stopping the rotation of said shaft.
  • Printing telegraph apparatus comfor releasing said brake-band, and cams carried by said shaft and cooperating wit said brake-band for stopping the rotation of said shaft at the end of each revolution.
  • a traveling carriage having a plurality of selectable members movable therewith, a plurality of stationary selectable members, means common to all said members for selecting any oneof them, means acting on the selection of one of said movable members to advance the carriage, and means operating on the selection of one of said stationary selecting members to prevent the advance of said carriage.
  • a traveling carriage having a plurality of selectable bars movable therewith, a plurality of stationary selectable bars, means common to all said bars for selecting any one of them, means acting on the selection of one of said movable bars to advance the carriage, and means operating on the selection of a particular one of said stationary bars to return the said carriage to normal.
  • selectable member individual to each character arm, and an actuating arm, with sta tionary selecting bars cooperating with said selectable members to select one of said character arms, and a striker bar common to-all.
  • a printing telegraph receiver comprising a plurality of selecting magnets, selecting bars controlled thereby, code bars cooperating with said selecting bars, a rotatable cam shaft, means controlled by said cam shaft for releasing the selected code bar, and means controlled by said shaft and selected code bar for printing any desired character.
  • selecting bars In a printing telegraph receiver, selecting bars, means for selectively releasing said current impulses, and means controlled by I said cam shaft for actuating the selecting bars.
  • code bars cooperating with said printing elements and carried by said type carriage, and means controlled by said code bars and actuated by said cam shaft to effect the actuation of said printing elements.
  • a printing telegraph receiver the combination of a movable type carriage, printing elements carried thereby, means for moving said type carriage, a plurality of selectable code bars, means for causing the selected code bars to control the printing elements, and means cooperating with the code bars for actuating the printing elements to print a desired character.
  • prising a traveling type carnage, a rack, a
  • selecting mechanism comprising a plurality of selecting bars normally tending to move, a latch individual to each of said bars and normally in engagement therewith to prevent movement thereof, means for withdrawing said latches from engagement with said selecting bars, additional means normally in engagement with said bars to prevent actuationthereof when said latches are withdrawn, a cam shaft, and means actuated thereby to control said additional means whereby said selecting bars may be actuated in accordance with the respective latches withdrawn.
  • a rotatable cam shaft selecting bars, means controlled by line current impulses for selectively conditioning said bars for movement, a plurality of code bars controlled by said selecting bars, means for normally,

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Transmission Devices (AREA)
  • Common Mechanisms (AREA)
US173546A 1917-06-08 1917-06-08 Printing telegraphy Expired - Lifetime US1374606A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US173546A US1374606A (en) 1917-06-08 1917-06-08 Printing telegraphy
GB5736/19A GB139306A (en) 1917-06-08 1919-03-07 Improvements in electric printing telegraph machines
FR508998A FR508998A (fr) 1917-06-08 1919-03-22 Perfectionnement dans les appareils pour télégraphe imprimeur
NL11627A NL6249C (de) 1917-06-08 1919-03-26
DE1920B0093686 DE377036C (de) 1917-06-08 1920-04-18 Typendrucktelegraph
GB7345/22A GB199101A (en) 1917-06-08 1922-03-13 Printing telegraph receiver
DEB104070D DE451892C (de) 1917-06-08 1922-03-21 Drucktelegraphen-Empfaenger
NL21721A NL14718C (de) 1917-06-08 1922-03-24
FR26334D FR26334E (fr) 1917-06-08 1922-05-09 Perfectionnement dans les appareils pour télégraphe imprimeur

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US173546A US1374606A (en) 1917-06-08 1917-06-08 Printing telegraphy
GB5736/19A GB139306A (en) 1917-06-08 1919-03-07 Improvements in electric printing telegraph machines
FR508998T 1919-03-22
NL11627A NL6249C (de) 1917-06-08 1919-03-26
GB7345/22A GB199101A (en) 1917-06-08 1922-03-13 Printing telegraph receiver
DEB104070D DE451892C (de) 1917-06-08 1922-03-21 Drucktelegraphen-Empfaenger
NL21721A NL14718C (de) 1917-06-08 1922-03-24

Publications (1)

Publication Number Publication Date
US1374606A true US1374606A (en) 1921-04-12

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ID=47430173

Family Applications (1)

Application Number Title Priority Date Filing Date
US173546A Expired - Lifetime US1374606A (en) 1917-06-08 1917-06-08 Printing telegraphy

Country Status (5)

Country Link
US (1) US1374606A (de)
DE (2) DE377036C (de)
FR (2) FR508998A (de)
GB (2) GB139306A (de)
NL (2) NL6249C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880456C (de) * 1950-06-25 1953-06-22 Lorenz C Ag Verfahren und Einrichtung zum Empfang von Telegrafierzeichen und zur Einstellung eines Typenrades
DE1061817B (de) * 1956-05-18 1959-07-23 John Handley Zeichenvorschubeinrichtung fuer Blattfernschreiber

Also Published As

Publication number Publication date
GB199101A (en) 1923-06-13
FR26334E (fr) 1923-11-06
DE377036C (de) 1923-06-09
FR508998A (fr) 1920-10-28
NL14718C (de) 1926-06-15
DE451892C (de) 1927-11-04
GB139306A (en) 1920-03-04
NL6249C (de) 1921-10-15

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