GB290652A - Improvements in the method of telegraphing in morse code, and apparatus therefor - Google Patents

Improvements in the method of telegraphing in morse code, and apparatus therefor

Info

Publication number
GB290652A
GB290652A GB6364/28A GB636428A GB290652A GB 290652 A GB290652 A GB 290652A GB 6364/28 A GB6364/28 A GB 6364/28A GB 636428 A GB636428 A GB 636428A GB 290652 A GB290652 A GB 290652A
Authority
GB
United Kingdom
Prior art keywords
contact
transmitted
dashes
dots
scale
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
GB6364/28A
Other languages
English (en)
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
Publication of GB290652A publication Critical patent/GB290652A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L15/08—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element with a single key which transmits dots in one position and dashes in a second position
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Leads Or Probes (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Input From Keyboards Or The Like (AREA)
GB6364/28A 1927-05-20 1928-02-29 Improvements in the method of telegraphing in morse code, and apparatus therefor Expired GB290652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL290652X 1927-05-20

Publications (1)

Publication Number Publication Date
GB290652A true GB290652A (en) 1928-10-04

Family

ID=19782736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6364/28A Expired GB290652A (en) 1927-05-20 1928-02-29 Improvements in the method of telegraphing in morse code, and apparatus therefor

Country Status (5)

Country Link
US (1) US1780507A (enrdf_load_stackoverflow)
DE (1) DE518219C (enrdf_load_stackoverflow)
FR (1) FR654714A (enrdf_load_stackoverflow)
GB (1) GB290652A (enrdf_load_stackoverflow)
NL (1) NL20968C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE518219C (de) 1931-02-16
US1780507A (en) 1930-11-04
FR654714A (fr) 1929-04-10
NL20968C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB226489A (en) Method and apparatus for measuring distance and time intervals and more particularlyfor acoustic depth sounding
GB290652A (en) Improvements in the method of telegraphing in morse code, and apparatus therefor
GB649715A (en) Facsimile transmission
US1725533A (en) Communication system
GB254842A (en) Improvements in or relating to synchronous telegraphy
GB711257A (en) Improvements in or relating to selectors for telecommunication installations
GB225493A (en) Improvements in electrically controlled signalling apparatus
SU16262A1 (ru) Устройство дл магнитной записи рисунков
GB431769A (en) Improvements in keyboard transmitters for teleprinters
GB423155A (en) Improvements in keyboard impulse transmitters for use in teleprinting systems
GB190808911A (en) Improvement in Typesetting Machines
GB789742A (en) Improvements in or relating to type-printing telegraph apparatus
GB553680A (en) Improvements in or relating to telegraph apparatus
GB559493A (en) Improvements in recording-apparatus for ships' telegraphs
GB380416A (en) Apparatus for indicating the direction of travel by means of electro-magnetically actuated direction indicators, in particular for motor vehicles
GB354031A (en) Improvements in or connected with electric switches
GB366408A (en) Improvements relating to impulse transmitters used in telephone systems
SU4730A1 (ru) Электрическое устройство дл подсчета числа ударов по клавиатуре пишущей машины
GB349558A (en) Automatic distress radio telegraphic transmitter
GB341073A (en) New or improved telegraphic apparatus for secret transmissions
GB441986A (en) Improvements in telegraphic transmitters
GB459275A (en) Improvements in and relating to transmitter devices for facsimile printing telegraphinstallations
GB233443A (en) Improvements in or relating to telephones
GB460160A (en) Circuit arrangement for interconnecting teleprinters
GB396819A (en) Improvements in impulse senders for use in telephone or like systems