Picture Transfer Protocol (PTP)

E53630

data transfer protocol digital camera communication protocol

Picture Transfer Protocol (PTP) is a standardized communication protocol that enables digital cameras and other imaging devices to transfer photos and related data directly to computers and other hosts without requiring traditional file system access.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
Picture Transfer Protocol	8
Media Transfer Protocol	1
Media Transfer Protocol (MTP)	1
Photography — Electronic still picture imaging — Picture transfer protocol (PTP) for digital still photography devices	1
Picture Transfer Protocol (PTP) canonical	1
Picture Transfer Protocol over Internet Protocol	1
USB Picture Transfer Protocol	1
USB-based Picture Transfer Protocol	1

How this entity was disambiguated

This entity first appeared as the object of triple T425299 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Picture Transfer Protocol (PTP)
Context triple: [USB Mini-B, usedWithProtocol, Picture Transfer Protocol (PTP)]

A. PTP
PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
B. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
C. Cyber-shot
Cyber-shot is Sony's line of compact digital still cameras known for their portability, advanced imaging features, and consumer-friendly design.
D. Mopria
Mopria is a universal mobile printing standard that enables seamless, driverless printing from devices like smartphones, tablets, and Chromebooks to compatible printers.
E. MHL
MHL is the three-letter ISO 3166-1 alpha-3 country code representing the Republic of the Marshall Islands.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Picture Transfer Protocol (PTP)
Target entity description: Picture Transfer Protocol (PTP) is a standardized communication protocol that enables digital cameras and other imaging devices to transfer photos and related data directly to computers and other hosts without requiring traditional file system access.

A. PTP
PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
B. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
C. Cyber-shot
Cyber-shot is Sony's line of compact digital still cameras known for their portability, advanced imaging features, and consumer-friendly design.
D. Mopria
Mopria is a universal mobile printing standard that enables seamless, driverless printing from devices like smartphones, tablets, and Chromebooks to compatible printers.
E. MHL
MHL is the three-letter ISO 3166-1 alpha-3 country code representing the Republic of the Marshall Islands.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	data transfer protocol ⓘ digital camera communication protocol ⓘ
abbreviation	PTP ⓘ
advantage	enables richer device control than simple file transfer ⓘ prevents host from corrupting camera file system ⓘ
allows	host-controlled access to images on a device ⓘ image transfer without direct file system access ⓘ
category	computer networking protocol ⓘ digital photography technology ⓘ
commonlyUsedWith	USB Still Image Capture Device Class ⓘ
communicationModel	client–server ⓘ
conformsTo	ISO 15740:2013 revision ⓘ
dataModel	object-based rather than file-based ⓘ
defines	standard set of device properties ⓘ standard set of object formats ⓘ standard set of operations for image devices ⓘ
designedFor	digital cameras ⓘ mobile phones with cameras ⓘ other imaging devices ⓘ scanners ⓘ
hasExtension	PTP/IP ⓘ vendor-specific PTP operations and properties ⓘ
influenced	Media Transfer Protocol ⓘ
introducedToReplace	mass storage based camera access in some scenarios ⓘ
operatesOver	IP networks ⓘ USB ⓘ
primaryUse	transferring images from digital cameras to computers ⓘ transferring images from imaging devices to host systems ⓘ
relatedProtocol	Picture Transfer Protocol (PTP) self-linksurface differs ⓘ surface form: Media Transfer Protocol
roleOfDevice	PTP responder ⓘ
roleOfHost	PTP initiator ⓘ
standardizedBy	International Organization for Standardization ⓘ surface form: ISO International Imaging Industry Association ⓘ
standardNumber	ISO 15740 ⓘ
supportsFeature	event notifications from device to host ⓘ remote control of camera functions ⓘ
supportsOperation	capture image remotely ⓘ delete object ⓘ get device info ⓘ get object ⓘ get object handles ⓘ
supportsTransferOf	audio clips associated with images ⓘ device properties ⓘ digital photographs ⓘ metadata ⓘ thumbnails ⓘ
transportAgnostic	true ⓘ
usedBy	many digital camera manufacturers ⓘ some smartphone operating systems ⓘ

How these facts were elicited

Referenced by (15)

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

USB Mini-B → usedWithProtocol → Picture Transfer Protocol (PTP) ⓘ

this entity surface form: Media Transfer Protocol (MTP)

Picture Transfer Protocol (PTP) → relatedProtocol → Picture Transfer Protocol (PTP) self-linksurface differs ⓘ

subject surface form: Picture Transfer Protocol

this entity surface form: Media Transfer Protocol

PTP → fullName → Picture Transfer Protocol (PTP) ⓘ