GB191125157A - Improvements in Perforating Apparatus for Telegraphic Strips. - Google Patents

Improvements in Perforating Apparatus for Telegraphic Strips.

Info

Publication number
GB191125157A
GB191125157A GB191125157DA GB191125157A GB 191125157 A GB191125157 A GB 191125157A GB 191125157D A GB191125157D A GB 191125157DA GB 191125157 A GB191125157 A GB 191125157A
Authority
GB
United Kingdom
Prior art keywords
punches
tape
polarity
punching
perforations
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
Other languages
English (en)
Inventor
Edouard Belin
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 GB191125157A publication Critical patent/GB191125157A/en
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
    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB191125157D 1911-04-19 1911-04-19 Improvements in Perforating Apparatus for Telegraphic Strips. Expired GB191125157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191125157T 1911-04-19

Publications (1)

Publication Number Publication Date
GB191125157A true GB191125157A (en) 1912-04-18

Family

ID=32568366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191125157D Expired GB191125157A (en) 1911-04-19 1911-04-19 Improvements in Perforating Apparatus for Telegraphic Strips.

Country Status (3)

Country Link
DE (2) DE259964C (enrdf_load_html_response)
FR (1) FR426183A (enrdf_load_html_response)
GB (1) GB191125157A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089411B (de) * 1957-10-26 1960-09-22 John Handley Telegrafierlocher

Also Published As

Publication number Publication date
DE254019C (enrdf_load_html_response)
DE259964C (enrdf_load_html_response)
FR426183A (fr) 1911-06-29

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