US2375902A - Teleprinter - Google Patents

Teleprinter Download PDF

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Publication number
US2375902A
US2375902A US375971A US37597141A US2375902A US 2375902 A US2375902 A US 2375902A US 375971 A US375971 A US 375971A US 37597141 A US37597141 A US 37597141A US 2375902 A US2375902 A US 2375902A
Authority
US
United States
Prior art keywords
receiver
receivers
transmitter
shaft
lines
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
US375971A
Other languages
English (en)
Inventor
Ehrenberg Gustav
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US2375902A publication Critical patent/US2375902A/en
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

Definitions

  • This invention relates to improvements in teleprinters.
  • the invention consists in combining a transmitter and various receivers to form a unit in such a manner that the transmitter and one of the receivers may alternately cooperate with a remote apparatus so as to effect two-way working, while the other receivers receive the text to be transmitted from the other remote transmitters.
  • connection may be carried out in such a manner that the second receiver serves as a standby.
  • a corresponding doublethrow switch is furthermore provided.
  • the receivers, the transmitter and the motor are preferably arranged on a common base plate so as to attain a self-contained apparatus.
  • the transmitter and receivers, each of which is provided with a separate driving coupling, are driven by the common motor through a gearing.
  • a motor 2 which drives through a pinion 3 a gear 4 mounted on the shaft 5.
  • a gear 6 which in turn drives the gears l and 8..
  • the gear 1 drives the receiver shaft I! of the one receiver through the coupling [6.
  • the coupling is stopped by the armature of the receiving magnet I8 in a known manner (not shown) until the arrival of the startin impulse and is then released for one rotation.
  • the printing of the letters on the paper tape I9 is effected in the usual manner, for instance, by building up or forming the image of the letters or character elements, as is described in the U. S. Patent No. 2,139,352.
  • the receiver may, however, be also operated on any other known telegraphic principle; for instance, on the five-unit code or the facsimile principle.
  • the typewheel is inked by the ink roller 2
  • the gear 8 drives through the coupling 24 the shaft 25 of the second receiver which is controlled by the armature of the receiving magnet 26.
  • the parts of the second receiver correspond exactly to the parts of the first receiver so that a further description
  • the coupling H is released for one rotation and the transmitter transmits the corresponding series of impulses.
  • the receiver lying in the same line prints the text transmitted and at the same time the text transmitted from a separate remote apparatus may be received on the second receiver.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
US375971A 1939-07-26 1941-01-25 Teleprinter Expired - Lifetime US2375902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE219015X 1939-07-26

Publications (1)

Publication Number Publication Date
US2375902A true US2375902A (en) 1945-05-15

Family

ID=5831632

Family Applications (1)

Application Number Title Priority Date Filing Date
US375971A Expired - Lifetime US2375902A (en) 1939-07-26 1941-01-25 Teleprinter

Country Status (3)

Country Link
US (1) US2375902A (de)
CH (1) CH219015A (de)
FR (1) FR869733A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280256A (en) * 1962-04-03 1966-10-18 Scm Corp Communication equipment set, keyboard, printer and recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280256A (en) * 1962-04-03 1966-10-18 Scm Corp Communication equipment set, keyboard, printer and recorder

Also Published As

Publication number Publication date
CH219015A (de) 1942-01-15
FR869733A (fr) 1942-02-13

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