Picture Transfer Protocol (PTP)
E53630
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.
All labels observed (8)
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 |
Media Transfer Protocol
ⓘ
linked to:
Picture Transfer Protocol (PTP)
|
| roleOfDevice | PTP responder ⓘ |
| roleOfHost | PTP initiator ⓘ |
| standardizedBy |
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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Picture Transfer Protocol (PTP) Description of subject: 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.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Picture Transfer Protocol (PTP)
subject linked to:
Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
ISO 15740:2013
→
title
→
Photography — Electronic still picture imaging — Picture transfer protocol (PTP) for digital still photography devices
ⓘ
subject linked to:
ISO 15740:2013 revision
linked to: Picture Transfer Protocol (PTP)
subject linked to:
ISO 15740:2013 revision
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)
linked to: Picture Transfer Protocol (PTP)