FR324819A - Machine à perforer ou trouer des bandes de papier - Google Patents

Machine à perforer ou trouer des bandes de papier

Info

Publication number
FR324819A
FR324819A FR324819A FR324819DA FR324819A FR 324819 A FR324819 A FR 324819A FR 324819 A FR324819 A FR 324819A FR 324819D A FR324819D A FR 324819DA FR 324819 A FR324819 A FR 324819A
Authority
FR
France
Prior art keywords
punch
machine
paper strips
hole paper
hole
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
Application number
FR324819A
Other languages
English (en)
French (fr)
Inventor
Pollak Anton
Silberstein Friedrich
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.)
Egger & C B
Original Assignee
Egger & C B
Filing date
Publication date
Application filed by Egger & C B filed Critical Egger & C B
Application granted granted Critical
Publication of FR324819A publication Critical patent/FR324819A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/493—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/06—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element
    • H04L15/10—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element combined with perforating apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR324819A 1902-08-11 Machine à perforer ou trouer des bandes de papier Expired FR324819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE153936T

Publications (1)

Publication Number Publication Date
FR324819A true FR324819A (fr) 1903-04-10

Family

ID=5676057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR324819A Expired FR324819A (fr) 1902-08-11 Machine à perforer ou trouer des bandes de papier

Country Status (2)

Country Link
DE (2) DE153936C (enrdf_load_stackoverflow)
FR (1) FR324819A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE151732C (enrdf_load_stackoverflow)
DE153936C (enrdf_load_stackoverflow)

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