US2356116A - System and apparatus for facsimile telegraphy - Google Patents

System and apparatus for facsimile telegraphy Download PDF

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Publication number
US2356116A
US2356116A US412405A US41240541A US2356116A US 2356116 A US2356116 A US 2356116A US 412405 A US412405 A US 412405A US 41240541 A US41240541 A US 41240541A US 2356116 A US2356116 A US 2356116A
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United States
Prior art keywords
contact
relay
customer
message
blank
Prior art date
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Expired - Lifetime
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US412405A
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English (en)
Inventor
Garvice H Ridings
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.)
Western Union Telegraph Co
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Western Union Telegraph Co
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Priority to BE470451D priority Critical patent/BE470451A/xx
Priority to BE467897D priority patent/BE467897A/xx
Application filed by Western Union Telegraph Co filed Critical Western Union Telegraph Co
Priority to US412405A priority patent/US2356116A/en
Application granted granted Critical
Publication of US2356116A publication Critical patent/US2356116A/en
Priority to FR939036D priority patent/FR939036A/fr
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/26—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for printing, stamping, franking, typing or teleprinting apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/17—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa the scanning speed being dependent on content of picture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/34—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device for coin-freed systems ; Pay systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Definitions

  • This invention relates to telegraph systems and particularly to facsimile systems capable of transmitting messages, pictures and other material in facsimile, and it should be understood the term messages as generally used herein is intended to cover all material capable of facsimile transmission.
  • An object of this invention is to provide a facsimile system constructed and arranged to make accessible to a customer the material for preparing a message and to then transmit the message to a central oflice receiving apparatus, or the like.
  • a further object is to provide an automatic facsimile system having means for indicating to and collecting from a customer the cost of any message the customer wishes sent.
  • a still further object is to provide an automatic facsimile system the operation of which is adapted to be started by a customer after he has made a preliminary deposit of a minimum amount of money.
  • Another object of the invention is to provide a facsimile system in which a customer, after procuring the material for preparing a message from a coin controlled dispensing mechanism, may be provided with additional material at no extra cost if for any reason the first message is unsuitable for recording purposes.
  • Fig. l is a perspective view of the transmitting apparatus:
  • FIGs. 2 and 3 taken together illustrate diagrammatically the essential parts of the transmitting apparatus, together with the control circuits therefor;
  • Fig. 4 shows diagrammatically one type of recorder which may be employed, together with the control circuits therefor;
  • Fig. 5 is a modified form of coin handling mechanism which may be employed at the transmitter.
  • an automatic facsimile transmitting apparatus is connected by a communication circuit to a receiving apparatus arranged to automatically record in facsimile from the signal impulses transmitted thereto.
  • Mechanism is provided at the transmitter to supply a customer, upon deposit of a minimum amount of money, with means for starting and operating the transmitting apparatus.
  • this device is arranged to supply a message blank and a pencil with which to prepare the message to be sent, together with a key for operating the transmitter.
  • the facsimile transmitting apparatus is located in a box adapted to be mounted on any suitable support such, for example, as a wall, a pedestal or the like;
  • the transmitting apparatus may be similar to that described in the application of Wise et al., Serial No. 269,314, filed April 22, 1939, now Patent No. 2,262,715, granted Nov. 11 1941, for System and apparatus for automatic facsimile telegraphy and reference is made thereto for a detailed mechanical description thereof. In the present disclosure only such mechanical details are shown as are necessary to a complete understanding of this invention.
  • the transmitting apparatus is housed in a box 10 which may be placed in any convenient location for operation by a customer.
  • a coin slot II is provided for the reception of a coin of predetermined minimum denomination which the customer may use to secure a blank sheet and a pencil.
  • This material is deposited by mechanism to be described in a pan l2 which is accessible to the customer through a suitable opening formed in the housing In.
  • a key which may be attached to the pencil is inserted in a lock [3 to start the transmitting apparatus.
  • the transmitter is also provided with a plurality of signs or legends l4 which are adapted to be selectively illuminated so as to instruct him in the manipulation of the apparatus.
  • the Deposit pencil sign is illuminated adjacent to a chute 15 which is provided for the reception of the pencil after the customer has finished with it.
  • a slot [6 which, prior to the deposit of the pencil, has been blocked, is opened so that the customer may insert the message bearing sheet therein.
  • the sheet is conveyed by a chute, in the manner set forth in the copending application referred to, to the scanning mechanism H, a portion of which is visible to the customer through a window formed in the housing ill for that purpose.
  • the Message accepteddeposit above amount sign is illuminated.
  • the customer then deposits the correct amount in the appropriate coin slots i9 provided for this purpose.
  • the sheet on which it is inscribed is removed from the scanning apparatus l1 and deposited in a bin which is accessible only to authorized persons through a locked door 20.
  • a chute 2! of elongated boxlike form extends from the slot 16 (Fig. 1) to a point adjacent a copyholder or message scanning cylinder 22 which is mounted on a shaft 23 adapted to be driven through suitable gearing by a synchronous or other speed controlled motor 24.
  • a photocell 25, an exciter lamp 26 and appropriate optical mechanism forming the scanning apparatus are mounted on a carriage 27 which is movable longitudinally of the rotary cylinder 22 to scan a message mounted thereon.
  • a serrated disc 23 constituting a light chopper is included as part of the scanning mechanism and is rotated by a motor 29.
  • the scanning carriage is moved longitudinally of the cylinder 22 by a rotary feed screw 3
  • An armature 35 is attached to the lever 33 so that the latter may be moved into engagement with the feed screw 3
  • the chute 2! extends from the slot I6 downwardly to a point adjacent the cylinder 22 and is positioned substantially tangent thereto.
  • the upper end or mouth of the chute is normally closed by a slide 31 connected to the end of an armature 33 of a chute closure magnet 39.
  • normally holds the slide in chute closing position when the magnet is deenergized.
  • the scanning cylinder 22 is provided with a circumferential row of teeth 42 by means of which a message sheet 43 which is fed downwardly through the chute 2! is seized and wrapped around the scanning cylinder as described in the copending application referred to.
  • the sheet is so formed as to require its insertion in the chute in the manner necessary to insure its being properly positioned on the cylinder for correct scanning of the subject matter inscribed thereon.
  • the scanning cylinder is provided with a circumferential groove 44 in which an arm 45 travels when there is no sheet mounted on the cylinder.
  • the arm 45 is fastened to the end of a rock shaft 46 and is normally urged into groove 44 by aspring 41.
  • the other end of the rock shaft 45 has affixed thereto a contact arm 48.
  • the sheet 43 is removed from the scanning cylinder 22 by means of a stripper blade 49.
  • a stripper or peel magnet when energized moves the blade 49 so that the upper end thereof is moved into position against the sheet 43.
  • dimensions of the sheet are such that a gap is left between the edges thereof when it is wrapped around the cylinder so that when the end of the stripper blade 49 is moved against the cylinder, the upper edge thereof slips under one edge of the message sheet as it is rotated, thereby pulling the sheet away from the teeth 42 and permitting the sheet to fall into a bin or other convenient receptacle.
  • the dispensing mechanism and the coin controlled apparatus is illustrated diagrammatically in Fig. 3 to Which reference will now be had.
  • the supply of blank sheets is formed by laying out in slightly overlapping relation on a belt 52 a series of blanks such as 53.
  • the blanks and the belt are then rolled up to form a supply roll 54 around a mandrel 55 which is mounted for rotation in a pair of spaced brackets such as 56.
  • the belt 52 is then attached to a takeup reel or pulley 6
  • a cam 64 is attached to the shaft 58 by means of which a pair of contacts 65 is periodically opened to control the motor 62 in a manner to be described.
  • the shaft 58 also has attached thereto a finger 66 which is adapted to cooperate with a supply of pencils 6! stacked in a rack 68 which has formed at the bottom thereof a pair of yieldable clips 59.
  • the belt 52 is drawn from the supply roll 54 by the takeup reel 61 until one of the blanks 53 has been unwrapped sufficiently to be freed from the roll.
  • the sheet thus freed falls into the pan i2 from which it may be taken by the customer.
  • the shaft 58 in making one complete revolution moves the finger 65 so as to force the lowermost pencil of the supply 6'! from the yieldable clips 69 from which it is permitted to fall into the pan I2 along with the sheet.
  • the cam 64 opens the contact 65 thereby stopping the motor.
  • the customer deposits a coin in the slot H by which it is conveyed downward to strike a switch arm H movin it to close a contact 72.
  • the coin then falls into areceptacle 13.
  • the closure of the contact '12 starts the paper and pencil dispensing mechanism in a manner to be subsequently described.
  • a plunger 14 forms the movable core of a solenoid 2'5 which when energized moves the plunger through suitable openings 16 formed in the slot ll adjacent the mouth thereof, thereby blocking the coin chute and preventing the insertion of a coin therein.
  • This solenoid is controlled either by contact 11 or by contact 78.
  • the contact H is closed in response to the downward movement of a pivoted arm i9, the free end of which is in constant contact with the outside of the roll 54.
  • This mechanism is arranged so that when the supply roll becomes exhausted the contact 71 is closed to block the coin chute H Similarly, the contact 78 is closed by means of a sliding member Bl which is maintained in contact with the uppermost one of the pencils 61. When the supply of pencils is exhausted, the contact 16 is closed to disable the coin slot l 1.
  • Each one of the pencils 6? is provided with a key 82 which is employed to operate the lock I3 (Fig. 2) by means of which the transmitting apparatus is started.
  • the starting of this apparatus is communicated by suitable signals to the .receiving station to operate apparatus thereat to transmit another signal back to the transmitting station causing the Deposit pencil" sign to be illuminated.
  • a solenoid 83 having a movable plunger 84 cooperating with an opening 85 in the pencil chute I5 is provided to normally blockthe chute Simultaneously with the lighting of the Deposit pencil sign, the solenoid 83 is energized to unblock the pencil chute.
  • the pencil is then deposited by the customer in the chute I5 and in passing therethrough to a receptacle 86 strikes a switch arm 81 to operate a set of contacts. These contacts perform control functions which will be described more fully hereinafter.
  • the group of registers I8 is operated by the receiving operator to indicate the additional amount of money to be deposited by the customer.
  • the Message accepteddeposit above amount sign is illuminated and a closure member 89 is withdrawn from the mouths of the coin chutes I9.
  • the movement of the closure member is effected by energizing the solenoid 9
  • the microphone is located adjacent the lower ends of the coin chutes 89 so as to pick up the sounds made by the coins striking bells 96 in passing from the chutes I9 into a receptacle 9?.
  • Each one of the coin chutes i9 is dimensioned to take a different denomination of coin and each one of the bells 96 has a distinctive tone so that both the number and denomination of the coins deposited may be determined by the receiving operator who is listening while the customer deposits the additional money required.
  • the receiving or recording apparatus is usually installed at a central office. It is shown diagram matically in Fig. 4 and in complete detail in Patent 2,255,868, granted to R. J. Wise et al. on September 16, 1941, for System and apparatus for facsimile telegraphy.
  • the blanks upon which the messages are to be recorded are mounted on recording cylinders which are inserted in the receiving apparatus one at a time.
  • the recording cylinder is rotated and during rotation a marking stylus which bears on the recording blank and has impressed thereon electrical impulses received over the communication circuit, scans the blank in a direction parallel to the axis of the recording cylinder.
  • Mechanism is provided for removing a recording cylinder and blank after a message recording operation, and replacing them with a fresh blank and cylinder.
  • Mechanism is also provided for storing a plurality of blank bearing recording cylinders in a magazine from which they can be automatically fed in succession to the receiving apparatus.
  • a cylinder IN is shown in position. It has axial arbors I02 and I03 by which it is suspended for rotation between centering spindles I04 and I05, respectively.
  • An arm I06 is pivoted on the spindle I04 and extends in the direction of the cylinder to engage a pin I31 projecting radially from the spindle and also a pin I08 extending radially from the arbor I02.
  • the arm I06 is urged into engagement with the pins by a spring I09, one end of which is attached to the arm and the other end to the spindle I04.
  • This device serves to rotate the recording cylinder IOI when the spindle I 04 is rotated.
  • the spindle is rotated by a motor III through suitable reduction gearing H2 and a friction clutch II3 which permits stopping rotation of the spindle I04 without stopping the motor.
  • a disc II4 having a notch formed in its periphery is secured to the centering spindle I04.
  • An arm or latch I I5, pivotally mounted on a support (not shown) engages the notch when acted upon solely by a retractile spring II6.
  • An electromagnet II'I termed the framing magnet, is adapted when energized to lift the latch H5 out of the disc notch and permit rotation of the centering spindle I04.
  • a recording blank I2I is wrapped around the recording cylinder IOI, and is secured thereto by suitable means such, for example, as the elastic rings or holding members I22.
  • the blank is mounted on the cylinder so that the location of the lap I23 of the blank edges invariably bears a definite relation to the location of the notch in the disc II4. This arrangement is to secure proper phasing between the receiving apparatus and the transmitting apparatus, as will be described more fully hereinafter.
  • a scanning carriage I24 is slidably mounted on guide rails I25 parallel to the axis of rotation of the cylinder IOI.
  • a lever I26 pivotally supported on the carriage carries at one end a recording stylus I21 and a half nut I28 adapted to engage a threaded feed screw I29 rotated at a suitable speed by the motor III through the reduction gearing H2.
  • the other end of the lever I 26 is operatively associated with a half nut magnet I3I.
  • a spring I32 moves the lever to cause the half nut to engage the feed screw, and the stylus to contact a recording blank on the cylinder IIlI. As shown in Fig.
  • the recording machine has facilities for automatically discharging a recording cylinder after a recording operation and for feeding a fresh cylinder and blank into the machine.
  • a magazine or supply of fresh cylinders is provided (one Of which I34 is indicated in dotted lines).
  • a rack for storing fresh cylinders is formed by two rail members I 35 and I36, mounted on a pair of supporting brackets I31 and I38, respectively, and spaced apart slightly more than the length of a cylinder IOI.
  • a pair of resilient upright members I39 and [M are secured to the rail members I35 and I36, respectivel and cooperate with an auxiliary pair of spaced rails I42 and I43 respectively, to guide the stored cylinders toward the scanning device.
  • the cylinder I34 next to be positioned in the machine is held in readiness by' having its arbors I44 supported by the upper ends of a pair of detents, one of which I45 is shown.
  • Each detent is pivoted at its lower end on the associated rail member and is normally held in cylinder restraining position by a resilient member such as a spring I46.
  • a cylinder changing motor I4! is operated to drive a shaft I48 through a worm and gear drive I49.
  • Cams I52 and I53 are secured to this shaft.
  • a pivoted bell crank I54 has a fork I55 on one end engaging a pair of pins I55 on the centering spindle I05, and a cam follower I51 on the other end engaging the cam I52. Obviously, rotation of the cam I52 moves the spindle longitudinally against the tension of a spring I53.
  • Means for rocking the shaft includes a crank arm I63 secured thereto and having a cam follower I64 secured to its end and engaging the cam I53.
  • Operation of the cylinder changing cycle is initiated by applying power to the motor I41 after a recording operation by means to be more fully described hereinafter.
  • a cam I1I is so oriented on the cam shaft I48 with respect to the cams I52 and I53 that, at the completion of a cylinder changing cycle, it operates an associated switch I12 to momentarily break the contacts I13. Through means to be described, this cuts off power to the motor.
  • the arrangement is such that before the motor is brought to a stop by its braking system, the cam I1I moves suificiently to permit reclosing of the contacts I13.
  • the communication circuit connecting the transmitting apparatus and the receiving apparatus comprises a pair of conductors LI and L2 which are used simultaneously for the transmission of the alternating current facsimile signals or message impulses and the direct current control signals by which the operation of the transmitting and receiving apparatus is controlled.
  • the facsimile signals originate at the photoelectric cell 25 (Fig. 2) which is connected to an amplifier I14, the output circuit of which is connected through a pair of blocking condensers I to the conductor LI and L2.
  • the purpose of the blocking condensers is to isolate the alternating current facsimile signals'from the direct current control signals.
  • the polarity of the direct current potentials which are applied to the conductor LI is controlled by apparatus at the receiving station for the purpose of operating a polar relay I16 connected to this conductor at the transmitting station.
  • the polarity of the direct current potential applied to the conductor L2 i controlled by the apparatus at the receiving station for the purpose of operating a polar relay I11 connected to this conductor at the transmitting station.
  • Each of these polar relays is of the three-position type whereby the tongue is moved to one extreme contact in response to one polarity of potential, to the other extreme contact in response to the opposite polarity of potention, and to a mid-position disengaged from both of the extreme contacts in response to a nocurrent condition.
  • the tongue I18 of the relay I16 cooperates with contacts M and S.
  • the tongue I19 of the relay I11 cooperates with contacts M and S.
  • the customer inserts a coin of predetermined denomination in the slot Ii.
  • the coin completes a circuit which may be traced from the A bus bar, through contact 12, through the winding of relay IBI and contacts to the 3 bus bar.
  • Relay I8I operates and locks at a make contact I32.
  • Contact I83 completes a circui for the operation of the motor 62.
  • the dispensing apparatus thus is started upon the cycle of operation previously described to supply a blank 53 and a pencil 81 to the customer, following which the contact 65 is momentarily opened to unlock relay I8I and stop the motor 62.
  • the operating circuit for this winding may be traced from the A bus through the winding, the closed contact I84 and contact I83 adjacent the pencil chute I5 to the bus bar B.
  • the energization of the multicontact switch operating winding I86 causes the downward movement of the armature I85 thereby moving the switch arm I90 to control the plurality of contacts associated therewith. Closure of one of these contacts IBI connects the A bus bar to the A bus bar.
  • the synchronous driving motor 24 for the transmitting apparatus Connected between the A bus bar and the B bus bar is the synchronous driving motor 24 for the transmitting apparatus, the chopper motor 29 and the exciter lamp 26 of the optical scanning apparatus.
  • the starting of these motors causes the drum 22 to revolve and light from the lamp 26 to be reflected from the revolving drum onto the photocell 25, the light being periodically interrupted by the light chopper 28.
  • an alternating current carrier current is generated and, after being amplified by the amplifier I14, is transmitted over the line conductors LI and L2 to the receiving station.
  • the line jack I92 being in a normal condition, the line conductors LI and L2 are connected to a line amplifier I93.
  • vacuum tubes I94 of the line amplifier is connected to the positive terminal of a grounded source of plate current through the winding of a relay I95.
  • the relay I95 is operated.
  • One of the contacts I 96 of this relay operates a signal lamp I91 to attract the attention of an attendant to the fact that a call has been received.
  • Another contact I98 operates a second signal lamp I99 which is located adjacent the jack I92 to identify the line circuit over which the call is being made.
  • Another contact 290 of the relay I95 connects positive direct current potential to the line conductor L2.
  • Closure of contact 2 I 2 of relay 209 looks the relay independently of the operating circuit. Also, closure of a make contact 2I3 connects the A bus bar to one terminal of the message chut magnet 39 and to one terminal of the Deposit message lamp 2I4. The other terminals of these devices are connected to the B bus bar. Thus the Deposit message sign is illuminated and the closure 31 is removed from its blocking position, thereby providing access to the chute 2I from the slot I6 formed in the housing Id of the apparatus.
  • the arm 45 is forced out of the groove 4 3, thereby opening the drum contact 2
  • an attendant at the receiving station responding to the call indicated by the illumination of lamps I9! and I99 inserts a plug 2I5 into the line jack I92 which is effective to connect recording and control apparatus to the line conductors LI and L2 and to disconnect the line amplifier I93 and its associated equipment from the line conductors.
  • the line conductors LI and L2 are connected through a pair of blocking condensers 2I6 and through a power level adjustment pad 2I'I to the input side of an amplifier 2I8.
  • the output of the amplifier 2I8 is connected through a signal inverter 2I9 to the recording stylus I21.
  • the line conductors LI and L2 are also connected to the control signaling apparatus through a pair of inductances or choke coils 22I.
  • the control apparatus consists of a plurality of relays, the contacts of which apply signaling potentials to the line conductors and which are themselves controlled by a rotary switch 222.
  • the rotary switch is made up of four levels, each of which is provided with ten contact studs and a movable arm for cooperation therewith. The four contact arms are moved simultaneously and each is provided with a bridging wiper whereby connection is made with each of the studs before the previous connection with another of the r studs is broken.
  • relay 223 is energized and relay 224 is deenergized under the respective control of switch arms 225 and 226.
  • the make contact of relay 223 connects positive potential to line conductor L2 leaving the line conductor LI with no direct current potential applied thereto.
  • the receiving attendant After having inserted the plug 2 I5 into the line jack I92, the receiving attendant adjusts the power level of the received signals by means of the pad 2H. He is aided in making this adjustment by a meter :21 connected in the output circuit of one of the amplifier tubes 228. This adjustment is made for the signals generated by the transmitter in scanning the heading of the blank from which the transmission is to be made.
  • the receiving attendant moves the rotary switch 222 to its No. 2 position for recording.
  • both relays 223 and 224 are ener ized, thereby connecting positive potential to line conductor LI as well as L2.
  • winding 232 of relay 234 is energized.
  • winding 235 of this relay is energized through a circuit which extends from ground through the make contact 236 of this relay, through the winding 235 and make contact 23! of relay 238 to positive potential.
  • the switch arm 239 in moving off its N0. 1 stud opens the circuit of windin 232 of relay 234.
  • this relay remains operated under the control of its left hand winding 35.
  • the relay 238, being in the output circuit of one of the amplifier tubes 228, is momentarily deenergized to open its make contact 231.
  • the left hand winding 235 of relay 234 is also deenergized permitting the opening of contact 235.
  • This relay in releasing opens its make contact 24I thereby deenergizing relay 242.
  • This latter relay in releasing opens its make contact .243 to interrupt the operating circuit for the half-nut magnet i252.
  • the half-nut I28 is lowered into engagement with the feed screw I29 and the recording stylus I2! is brought into engagement with the surface of the recording sheet 12!.
  • relay 239 effects the engagement of its back contact 244 to energize the phasing magnet II'I thereby lifting the latch H5 out of the notched disc H4 to permit rotation of the copyholder mechanism.
  • the recording apparatus is started upon a scanning operation simultaneously with the initiation of scanning by the transmitting apparatus.
  • Switch arm 239 on its third stud reenergizes winding 232 of relay 234 to reoperate this relay.
  • Relay 234 in turn reoperates relay 239 which deenergizes the phasing magnet It? to stop rotation of the copyholder I2I.
  • the operation of relay 239 also reoperates relay 242 to release the stylus I21 and the half-nut I28 permitting the spring I33 to return the carriage I24 to its starting position.
  • the fourth arm 24- of the rotary switch 222 connects a ground to a circuit which. includes a serially connected condenser 248 shunted by a relatively high resistance 249 and also the left hand winding 25I of a relay 252.
  • the charging current taken by the condenser is sumcient to energize the winding 25I to operate the relay 252.
  • the clot of the mak contact 253 of this relay closes a circuit through the right hand locking winding 254 which also includes the cam contact I73.
  • the relay is thus locked in its operated position independently of the winding 25L
  • the current which continues to flow through the Winding 25! is limited by the resistance 249 to a value which is insufficient to maintain the relay 252 in its operated condition.
  • the closure of contact 253 also completes the operating circuit of a relay 255. This relay in operating closes a contact 258 to energize the drum changing motor I41 to start a drum changing cycle as previously described.
  • a second contact 251 of relay 255 is also closed to complete an auxiliary operating circuit for the relay 242 so that this relay is prevented from releasing to initiate a scanning movement of the carriage I24 while a copyholder change is being made.
  • the contact I13 is momentarily opened, as described, and thus interrupts the locking circuit through the winding 254 of relay 252 long enough to permit th release of this relay.
  • the attendant removes the sheet I2I bearing the recorded message and notes the destination, the number of words, and other pentinent data of the message necessary for the computation of the additional charge to be made for forwarding it to its destination.
  • the attendant moves the rotary switch 222 to its No. 4
  • the negative potential which is thus connected to line conductor L2 operates the armature I19 of the transmitter line relay I11 to its spacing contact S.
  • a circuit is thus completed which may be traced from the A bus bar through the spacing contact of relay I11, through contact 269 of the multi-contact switch I81, through contact 21! associated with the half-nut mechanism, through the winding 212 of a stepping magnet to the B bus bar.
  • the stepping switch 213 with which the magnet 212 is associated comprises a rotary switch arm 214 which is normally urged by means of a spring 215 toward the position in which it is shown in the drawings. The arm. 214 is thus maintained in its idle condition in contact with an idle stud.
  • An operating pawl 216 is controlled by the stepping magnet 212 and cooperates with a ratchet 211 so that upon one downward movement of the operating pawl the arm 214 which is attached to the ratchet is moved counter-clockwise a distance of one stud.
  • a retaining pawl 218 also cooperates with the ratchet 211 to maintain the ratchet and switch arm in the positions to which they have been last operated by the operating pawl.
  • the switch arm 214 is moved step-by-step successively over its associated contacts by successive operations of the stepping mechanism.
  • the retaining pawl 218 is arranged to be disengaged from the ratchet by a releasing magnet 218, thus permitting the restoration of the switch arm 214 to its normal idle position.
  • the switch arm 214 Upon the initial energization of the stepping magnet 212 as described, the switch arm 214 is moved into engagement with its first operating stud 28!. A circuit is thus prepared to the operating Winding 282 of the left hand indicator I8.
  • the recording operator then by means of the dial 266 transmits a number of negative impulses over line conductor LI corresponding to the number of dollars of the additional charge.
  • the oil -normal contact 265 is open, thereby removing negative potential from line conductor L2, but following the transmission of the dial impulses this contact is again closed.
  • the negative impulses sent over the line conductor LI efiect successive momentary engagements between the armature I18 of line relay I16 with its spacing contact S.
  • the A bus bar is connected through the spacing contact of this relay, through drum contact 283.
  • the dialed impulses are applied to the dollars indicator to step it to indicate the necessary amount.
  • Each of the indicators may be constructed. similarly to the stepping switch 213, being provided w th operating and releasing windings.
  • the negative potential is again applied to line conductor L2 by means of the off-normal contact of the dial transmitter to again close the spacing contact of transmitter line relay I11, thereby stepping the switch arm 214 to its second operating contact to which is connected the middle indicator I8.
  • This indicator and the right hand indicator are operated in a similar manner by successive operations of the dial transmitter.
  • the final closure of the off-normal contact of the dial transmitter steps the switch arm 214 from its last operating contact and into engagement with an insulating stud 284 mounted on a switch arm 285 and located in the path of the stepping switch arm. This results in the closure of a contact 286 which connects the A bus bar to one terminal of a lamp 281 and one terminal of the coin chute closure magnet 9
  • the lamp 281 illuminates the Message acceptedplease deposit above amount sign and the magnet 9I withdraws the closure 89 from over the coin chutes l9.
  • the operation of the magnet 9I also effects the engagement of the switch arm 93 with its contact 94 thereby connecting the microphone to the input side of the amplifier I14. As the customer deposits the coins in payment of the additional charge indicated. the number and denomination of the coins are detected by the microphone 95.
  • the line relays I16 and I11 are energized to operate their respective armatures I18 and I19 into engagement with their marking contacts M and M respectively. It should be noted at this point that normally armature I19 is maintained in engagement with its marking contact M to connect the A bus bar to one terminal of the holding magnet 29! for the multi-contact switch I81. However, an additional lock'for this switch is provided as long as there is a sheet mounted on the scanning cylinder 22.
  • This circuit may be traced from the A bus bar through a break contact 289 of a relay 29I and a make contact 292 on the multicontact switch to the holding magnet 26!.
  • the operating circuit for relay 29I includes the drum contact 2 which is closed only when there is no sheet mounted on the cylinder. Consequently during the previously described dialing operations the multi-contact switch is maintained operated even though the armature I 19 of relay I11 is disengaged from its marking contact M since at this time the sheet 43 is still mounted on the scanning cylinder 22.
  • Switch arm 225 releases relay 223 and operates relay 297 which applies negative potential to the line conductor L2. Positive potential is maintained on l ne conductor L! by the maintenance of relay 224 in operation under the control of the switch arm 228.
  • the positive potential connected to line conductor L! keeps the armature ['58 of the line relay H6 in engagement with its marking contact M therely continuing the energization of the half-nut magnet
  • the negative potential applied to line conductor L2 effects the engagement of 218 of line relay H! with its spacing contact S to close a circuit which may be traced from the A. bus bar through the l ne relay spacing contact, contact 269 of the multi-contact switch $8 through the half-nut contact 295 and the winding of the stripping magnet to the B bus bar.
  • the stripping blade is operated to remove the sheet 43 from the scanning cylinder 22 in the manner described in the copending application Ser al No 269,314.
  • the drum contact 2! closes to operate relay 28!.
  • This operating circuit may be traced from the A bus bar by way of armature 478 of line relay 1 16 through the drum contact 2! and through the winding of relay 29! to the B bus bar.
  • the multi-contact switch locking magnet 23! has its operating circuit open at the marking contact M of the line relay H1 and also at the contact 283 of relay 29!.
  • the closed half-nut contact 285 maintains a connection from. the A bus bar to the winding of the holding magnet 2%! to keep it energized thereby preventing the release of the multi-contact switch l8! at this time.
  • connection of the A bus bar is continued from the lamp 309 to one terminal of the winding of a thermal unit 311 which becomes energized since the other terminal is connected to the B bus bar.
  • the armature of this thermal unit is also connected to the A bus bar through the described circuit and after the lapse of a predetermined time closes a make contact 312 to energize the winding of a second thermal unit 313.
  • the closure of contact 312 also completes a circuit through a break contact 314 of the second thermal unit 313 to the winding of relay 181, thereby operating this relay which immediately locks up through its make contact 182 in the manner previously described.
  • the operation of this relay starts the operation of the motor 62 to supply the customer with another sheet of paper and a pencil.
  • the adjustment of the thermal unit 313 is such that its contact 314 will open before the completion of the cycle of operation of the dispensing mechanism so that if the recorder attendant leaves the rotary switch 222 in in its No. 8 position for a longer time than is required to supply the customer with an additional sheet of paper and a pencil, the dispensing mechanism will be stopped in the manner described and will not be restarted.
  • the recorder attendant then moves the rotary switch 222 to its No. 9 position in which all direct current potentials are removed from the line conductors L1 and L2. This operation releases the transmitter apparatus in the manner described and completely restores it to its idle condition.
  • the customer after rewriting the message as directed starts the transmitter apparatus from the beginning as described.
  • Fig. 5 a modified arrangement for returning to the customer his initially deposited coin instead of supplying him directly with a fresh sheet of paper and a pencil in case the ri inal m age is unsatisfactory for making a good recording.
  • This apparatus comprises a coin chute 315 which is mounted on a pivot 316 adjacent its upper end. By means of this structure the lower end of the chute may be selectively positioned over either one of two coin receivers 311 or 318. The latter is so constructed and located that it is accessible to the customer through a suitable opening formed in the housing 10 of the apparatus. Normally, the coin chute is held by means of a spring 319 over the receptacle 311. A solenoid 321 when energized operates a plunger 322.connected to the coin chute 315 to swing the lower end of the chute over the receptacle 318.
  • the chute is provided with facilities for holding one or more coins therein and for releasing them one at a time for deposit in either one of the coin receptacles. By such an arrangement several customers may procure paper and pencils for the preparation of their messages While the transmitting apparatus is in operation.
  • the lower end of the chute 315 is normally closed by a movable member 323 which forms a part of a sort of escapement mechanism, another part of which is a plunger 324 normally held away from the coin chute but which may be inserted therein over the lowermost coin held in the chute.
  • the escapement members 323 and 324 are linked to a plunger 325 which forms the movable core of a solenoid 326.
  • the escapement mechanism and the operating solenoid therefor are mounted on a supporting member 321 which, in turn, is attached to the coin chute so that the chute and the escapement mechanism form a unitary structure.
  • a pair of contacts 328 is provided to detect the passage of a coin through the chute to control the dispensing mechanism in a manner to be described.
  • Another contact 329 is provided and is arranged to be operated when the coin chute 315 is moved over the return receptacle 3E8.
  • this mechanism is provided with a solenoid 331 to control a blocking plunger 332 to disable the coin chute when the supply of paper or pencils is exhausted.
  • the operating circuits for the modified coin handling apparatus may be incorporated in the circuits of Figs; 2 and 3 by disconnecting from terminals V, W, X and Y of Fig. 3 the apparatus shown to the right of these terminals and by connecting terminals U, V, W, X, Y and Z of Fig. 3 to corresponding terminals of Fig. 5.
  • the contact 328 is closed to complete a circuit extending from the A bus bar through the X terminal, through the coin control contact, through the W terminal through the winding of relay 181 and the contact B5, to the B bus bar.
  • relay 181 is operated and looked as before to start a cycle of operation of the dispensing mechanism as described.
  • the coin which is thus deposited is held in the chute 3l5 by the escapement member 323.
  • the customer After having secured a pencil and paper, the customer prepares his message and uses the key to operate the transmitting apparatus as described. While this apparatus is operating, another customer may deposit a coin in the chute 3
  • the recording attendant operates the indicators I8 and collects the additional amount of money necessary, as described, and moves the rotary switch 222 at the recorder to its No. 10 position to illuminate the Thank you lamp 302.
  • the connection of the A bus bar to the Thank you lamp 352 is also extended through terminal U to one terminal of the escapement solenoid 326 causing its operation, since the other terminal is connected through terminal Z to the B bus bar.
  • the solenoid 326 is also deenergized to permit another coin to be dropped to the bottom of the chute.
  • the rotary switch 222 is moved to its No. 8 position to illuminate the Rewrite message lamp 389 and to energize in sequence the thermal units 3! and H3 as described.
  • the closure of contact 312 of the thermal unit 3H connects the A bus bar through the break contact 314 of thermal unit 3&3 to the V terminal and thence through the winding of the solenoid 32E to the Z terminal and the B bus bar.
  • the operation of the plunger 322 swings the lower end of the coin chute 3l5 over the return receptacle 3H3. Having reached this position the contact 329 is closed to connect the A bus bar through terminal X to the escapement solenoid 326 which thus is energized.
  • the operation of the escapement mechanism releases the lowermost coin so that it is free to fall into the return receptacle 3l8, from which it may be retrieved by the customer.
  • the opening of the break contact 314 of the thermal unit 3I3 as described releases the coin chute mechanism, restoring it to its normal condition as shown in the drawings.
  • the customer removes the coin from the return receptacle 3I8 and reinserts it in the coin chute M to procure another sheet of paper and a pencil by means of which he may rewrite his message.
  • a facsimile system including a communication circuit, transmitting apparatus connected to said circuit for transmitting message signals over said circuit representative of the subject matter on a customers message blank, receiving apparatus connected to said circuit for recording said signals, customer operated means for conditioning said transmitting apparatus for transmitting the message on said blank over said circuit, a cost indicating mechanism at said transmitting apparatus, means controlled from said receiving apparatus for operating said mechanism to indicate to the customer the cost of said message, a normally closed coin slot, and means controlled from said receiving apparatus for opening said slot to receive a coin.
  • a facsimile system including a communication circuit, transmitting apparatus connected to said circuit for transmitting message signals over said circuit representative of the subject matter on a customers message blank, receiving apparatus connected to said circuit for recording said signals, customer operated means for conditioning said transmitting apparatus for transmitting the message on said blank over said circuit, a cost indicating mechanism at said transmitting apparatus, means controlled from said receiving apparatus for operating said mechanism to indicate to the customer the cost of said message, a normally closed coin slot, means controlled from said receiving apparatus for opening said slot to receive a coin, and means enabling an operator at the receiving apparatus to detect the deposit of'a coin in said slot.
  • a transmitting station and a receiving station interconnected for communication, scanning apparatus at said transmitting station, mechanism operable by coins of predetermined denomination and in predetermined number for making accessible to a customer an impression receiving medium of special configuration for the inscription thereon by the customer of subject matter to be transmitted, means including said subject matter bearing medium for operatively associating the same with said scanning mechanism for the transmission of signals representative of the subject matter to said receiving station, means operable after the completion of signal transmission for dissociating said subject matter bearing medium from said scanning apparatus, and means operable after said dissociation to make accessible to the customer another impression receiving medium for the reinscription thereon of subject matter at no additional cost to the customer.
  • a transmitting station and a receiving station interconnected for communication, scanning apparatus at said transmitting station, a coin controlled mechanism for delivering to a customer a sheet of special configuration for the inscription thereon by the customer of a message, means including said message bearing sheet for operatively associating the same with said scanning mechanism for the transmission of signals representative of said message to said receiving station, means operable after the completion of signal transmission for dissociating said message bearing sheet from said scanning apparatus, and means operable after said dissociation for delivering another sheet to the customer.
  • a transmitting station and a receiving station interconnected for communication, scanning apparatus at said transmitting station, mechanism operable by a coin of predetermined denomination for delivering to a customer a sheet of special configuration for the inscription thereon by the customer oi subject matter to be transmitted, means including said subject matter bearing sheet for operatively associating the same with said scanning mechanism for the transmission of signals representative of said subject matter to said receiving station, means operable after the completion of signal transmission for dissociating said subject matter bearing sheet from said scanning apparatus, and means operable after said dissociation for returning said coin to the customer.
  • a transmitting station and a receiving station interconnected for communication, scanning apparatus at said transmitting station, mechanism operable by a coin of predetermined denomination for delivering to a customer a sheet of special configuration for the inscription thereon by the customer of subject matter to be transmitted, means including said subject matter bearing sheet for operatively associating the same with said scanning mechanism for the transmission of signals representative of said subject matter to said receiving station, means operable after the completion of signal transmission for dissociating said subject matter bearing sheet from said scanning apparatus, and; means selectively operable after said dissociation either to accept said coin or to return the same to the customer,
  • a facsimile transmitter In a facsimile system, a facsimile transmitter, a means for containing a normally inaccessible impression receiving medium having special characteristics, means for securing access to said medium by an operator for the application thereto of subject matter to be transmitted, and means controlled by the special characteristics of said subject matter bearing medium to initiate a scanning operation of said transmitter for the generation of signals representative of said subject matter.
  • a facsimile transmitter having a scanning mechanism, a magazine of blanks of a special character, means for delivering one of said blanks to a customer for the inscription of a message thereon by the customer, and means utilizing a special characteristic of said message inscribed blankfor initiating operation of said scanning mechanism for the generation of signals representative of said message.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby, and means for preventing unauthorized use of said transmitting apparatus comprising mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a message blank having a special controlling characteristic embodied therein to the customer for inscription thereon of subject matter to be transmitted, and means accessible to said customer and utilizing said special controlling characteristic of the blank for conditioning said transmitting apparatus for the transmission of the subject matter inscribed thereon to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby, and means for preventing unauthorized use of said transmitting apparatus comprising a coin controlled mechanism operative upon the insertion by a customer at said transmitting apparatus of a coin of predetermined character for delivering a message blank having a special controlling charactertistic embodied therein to the customer for inscription thereon of subject matter to be transmitted'and means accessible to said customer and utilizing said special controlling characteristic of the blank for conditioning said transmitting apparatus for the transmission of the subject matter inscribed thereon to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a controlling key to the customer, means accessible to said customer for inserting in the transmitting apparatus a message blank having inscribed thereon the subject matter to be transmitted, and means operable by said customer including mechanism controlled by said key for enabling the insertion ofsaid inscribed message blank and conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks each having a special controlling characteristic embodied therein, means including a motor for dispensing said blanks successively, mechanism operative uponthe insertion by a customer at said transmitting apparatus of'a predetermined controlling object for causing said means to deliver one of said blanks to the customer for inscription thereon of subject matter to be transmitted, and means accessible to said customer and utilizing said special controlling characteristic of the blank for conditioning said transmitting apparatus for the transmission of the subject matter inscribed thereon to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means containing a supply of message blanks and a supply of pencils, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, and mechanism for receiving said pencil and said blank and including means responsive to the insertion of said pencil by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks and a supply of pencils, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, and mechanism for receiving said pencil and said blank and including means responsive to the successive insertion of these articles by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message Signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising mechanism operative upon the insertion of a predetermined controlling object for delivering a message blank having a special controlling characteristic embodied therein to the customer for inscription thereon of subject matter to be transmitted, means for receiving the inscribed blank and responsive to said special controlling characteristic of the blank When inserted by the customer for transmitting the subject matter inscribed thereon to said receiving station, a cost indicating display mechanism at said transmitting apparatus, means operable at the receiving apparatus for actuating aid cost indicating mechanism after said message has been received by the receiving station, and coin receiving means at the transmitting apparatus and means associated therewith for notifying the receiving station when coins in the amount of the cost displayed have been deposited by the customer.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks and a supply of pencils, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a message blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, mechanism for receiving said pencil and mechanism including a normally closed chute for receiving the inscribed blank, means responsive to the insertion of said pencil by the customer for opening said chute to receive the inscribed blank, and means responsive to the successive insertion of these articles by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a fascimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks and a supply of pencils each having a key on one end thereof, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a message blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, mechanism operable by the key on said pencil for initiating operation of the transmitting apparatus, mechanism for receiving said pencil and mechanism including a normally closed chute for receiving the inscribed blank, means responsive to the insertion of said pencil by the customer for opening said chute to receive a message blank, and means responsive to the successive insertion of these articles by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks and a supply of pencils each having a key on one end thereof, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a message blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, mechanism for receiving said pencil and mechanism including a normally closed chute for receiving the inscribed blank, mechanism operable by the key on said pencil for initiating operation of the transmitting apparatus including means for indicating to the customer When to deposit the pencil, means responsive to the insertion of said pencil by the customer for opening said chute to receive the message blank, and means responsive to the successive insertion of these articles by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station.
  • a facsimile system including transmitting apparatus having scanning mechanism for transmitting facsimile message signals, receiving apparatus responsive to said signals for recording the subject matter represented thereby and means for preventing unauthorized use of said transmitting apparatus comprising means for containing a supply of message blanks and a supply of pencils each having a key on one end thereof, mechanism operative upon the insertion by a customer at said transmitting apparatus of a predetermined controlling object for delivering a message blank and a pencil to the customer for inscription on the blank of subject matter to be transmitted, mechanism for receiving said pencil and mechanism including a normally closed chute for receiving the inscribed blank, mechanism operable by the key on said pencil for initiating operation of the transmitting apparatus including means for indicating to the customer when to deposit the pencil, means responsive to the insertion of said pencil by the customer for opening said chute to receive the message blank including means for indicating to the customer when to insert the message blank, and means responsive to the successive insertion of these articles by the customer for conditioning said transmitting apparatus for the transmission of the subject matter inscribed on the blank to said receiving station

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimiles In General (AREA)
US412405A 1941-09-26 1941-09-26 System and apparatus for facsimile telegraphy Expired - Lifetime US2356116A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE470451D BE470451A (es) 1941-09-26
BE467897D BE467897A (es) 1941-09-26
US412405A US2356116A (en) 1941-09-26 1941-09-26 System and apparatus for facsimile telegraphy
FR939036D FR939036A (fr) 1941-09-26 1946-03-27 Systèmes de télégraphie en fac-similé

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503311A (en) * 1946-02-25 1950-04-11 Western Union Telegraph Co Facsimile transmission apparatus
US2529264A (en) * 1947-03-08 1950-11-07 Western Union Telegraph Co Combined facsimile and code signaling system
US2742526A (en) * 1951-08-08 1956-04-17 Western Union Telegraph Co Two-way facsimile system with improper operation alarm
US2767242A (en) * 1951-07-24 1956-10-16 Two-way facsimile telegraph systems
US2894066A (en) * 1955-12-29 1959-07-07 Western Union Telegraph Co Facsimile transmitter for telegraph message blanks and the like
US2894063A (en) * 1955-06-13 1959-07-07 Western Union Telegraph Co Facsimile ticket and message system
US3051926A (en) * 1953-05-15 1962-08-28 United Geophysical Corp Seismic prospecting system
US3154760A (en) * 1953-05-15 1964-10-27 United Geophysical Corp Seismic prospecting system
US4956721A (en) * 1985-07-15 1990-09-11 Omron Tateisi Electronics Co. Method of facsimile transmission after collection of facsimile charge and apparatus therefor
EP0415463A2 (fr) * 1989-09-01 1991-03-06 T.D.S. International, N.V. Procédure pour l'optimalisation des communications par télécopieur et stations de télécopie utilisées à cet effet
US5757373A (en) * 1982-03-19 1998-05-26 Canon Kabushiki Kaisha Information processing apparatus with display for a variable number of functional items

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503311A (en) * 1946-02-25 1950-04-11 Western Union Telegraph Co Facsimile transmission apparatus
US2529264A (en) * 1947-03-08 1950-11-07 Western Union Telegraph Co Combined facsimile and code signaling system
US2767242A (en) * 1951-07-24 1956-10-16 Two-way facsimile telegraph systems
US2742526A (en) * 1951-08-08 1956-04-17 Western Union Telegraph Co Two-way facsimile system with improper operation alarm
US3051926A (en) * 1953-05-15 1962-08-28 United Geophysical Corp Seismic prospecting system
US3154760A (en) * 1953-05-15 1964-10-27 United Geophysical Corp Seismic prospecting system
US2894063A (en) * 1955-06-13 1959-07-07 Western Union Telegraph Co Facsimile ticket and message system
US2894066A (en) * 1955-12-29 1959-07-07 Western Union Telegraph Co Facsimile transmitter for telegraph message blanks and the like
US5757373A (en) * 1982-03-19 1998-05-26 Canon Kabushiki Kaisha Information processing apparatus with display for a variable number of functional items
US4956721A (en) * 1985-07-15 1990-09-11 Omron Tateisi Electronics Co. Method of facsimile transmission after collection of facsimile charge and apparatus therefor
EP0415463A2 (fr) * 1989-09-01 1991-03-06 T.D.S. International, N.V. Procédure pour l'optimalisation des communications par télécopieur et stations de télécopie utilisées à cet effet
EP0415463A3 (en) * 1989-09-01 1991-12-18 T.D.S. International, N.V. Procedure for optimization of telecopier communations and telecopier stations utilized therefor

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Publication number Publication date
BE470451A (es)
BE467897A (es)
FR939036A (fr) 1948-11-02

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