Morse code

E320218

Morse code is a system of encoding text characters as sequences of short and long signals (dots and dashes) used historically for long-distance telegraph and radio communication.

All labels observed (4)

Label Occurrences
Morse code canonical 8
American Morse code 1
International Morse code 1

How this entity was disambiguated

Statements (59)

Predicate Object
instanceOf Morse code variant
character encoding system
communication code
distress signal
telegraph code
alphabetType binary code
canBeTransmittedAs audible tones
electrical pulses
vibrations
visible flashes
developedBy Alfred Vail
Samuel Morse
encodedAs ...---...
encodingMethod on-off keying of a carrier signal
variable-length sequences of dots and dashes
feature long signals represent dashes
short signals represent dots
timing encodes separation between elements
hasMorseForA .-
hasMorseForE .
hasMorseForN -.
hasMorseForT -
hasVariant Morse code self-linksurface differs
surface form: American Morse code

Morse code self-linksurface differs
surface form: International Morse code
historicalSignificance first widely used digital communication code
inception 1830s
1840s
namedAfter Samuel Morse
notableSequence SOS
replacedBy digital data communication protocols
voice radio communication
represents Arabic numerals
Latin letters
punctuation marks
standardizedBy International Telecommunication Union
surface form: International Telegraph Union
standardizedIn 1865
stillUsedIn amateur radio
assistive communication for people with disabilities
emergency backup signaling
transmissionMedium electric telegraph
light signals
mechanical signals
radio waves
sound signals
usedBy amateur radio operators
aviation services
maritime services
usedFor aeronautical communication
emergency signaling
long-distance communication
maritime communication
radio communication
telegraphy
usedIn World War I
World War II
usesSymbol dash
dot
space
writingSystemDirection left-to-right

How these facts were elicited

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

Samuel Morse knownFor Morse code
Samuel Morse developed Morse code
this entity surface form: Morse-Vail telegraph system
Silbo Gomero distinctFrom Morse code
MGY transmissionMode Morse code
CQD communicationMode Morse code
SOS associatedWith Morse code
Morse code hasVariant Morse code self-linksurface differs
this entity surface form: American Morse code
Morse code hasVariant Morse code self-linksurface differs
this entity surface form: International Morse code
Morse coDeveloperOf Morse code
subject surface form: Samuel Morse