US2292387
E495694
US2292387 is the U.S. patent granted to Hedy Lamarr (with George Antheil) for a pioneering frequency-hopping spread spectrum communication system that laid groundwork for modern wireless technologies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US2292387 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5139703 — 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: US2292387 Context triple: [Hedy Lamarr, patentNumber, US2292387]
-
A.
US382790A
US382790A is a United States patent granted to Emile Berliner for one of his pioneering inventions in sound recording technology, contributing to the development of the gramophone.
-
B.
US1781541
US1781541 is the United States patent granted to Albert Einstein and Leó Szilárd for their innovative absorption refrigerator design that operates without moving parts.
-
C.
US65249B1098
US65249B1098 is the International Securities Identification Number (ISIN) assigned to News Corporation’s Class A common stock.
-
D.
US7443201022
US7443201022 is the International Securities Identification Number (ISIN) assigned to Prudential Financial's publicly traded stock.
-
E.
US20030N1019
US20030N1019 is the International Securities Identification Number (ISIN) assigned to Comcast Corporation’s publicly traded stock.
- 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: US2292387 Target entity description: US2292387 is the U.S. patent granted to Hedy Lamarr (with George Antheil) for a pioneering frequency-hopping spread spectrum communication system that laid groundwork for modern wireless technologies.
-
A.
US382790A
US382790A is a United States patent granted to Emile Berliner for one of his pioneering inventions in sound recording technology, contributing to the development of the gramophone.
-
B.
US1781541
US1781541 is the United States patent granted to Albert Einstein and Leó Szilárd for their innovative absorption refrigerator design that operates without moving parts.
-
C.
US65249B1098
US65249B1098 is the International Securities Identification Number (ISIN) assigned to News Corporation’s Class A common stock.
-
D.
US7443201022
US7443201022 is the International Securities Identification Number (ISIN) assigned to Prudential Financial's publicly traded stock.
-
E.
US20030N1019
US20030N1019 is the International Securities Identification Number (ISIN) assigned to Comcast Corporation’s publicly traded stock.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | United States patent ⓘ |
| applicationType | secret communication system ⓘ |
| assignee |
George Antheil
ⓘ
Hedy Kiesler Markey ⓘ |
| associatedPerson |
George Antheil
ⓘ
Hedy Lamarr ⓘ |
| citedAs | foundational patent in spread spectrum communications ⓘ |
| classification | radio communication ⓘ |
| coInventor |
George Antheil
ⓘ
Hedy Lamarr ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
military communications
ⓘ
torpedo guidance ⓘ |
| documentType | grant ⓘ |
| fieldOfInvention |
frequency-hopping spread spectrum
ⓘ
secure radio communication ⓘ |
| filingDate | 1941-06-10 ⓘ |
| historicalSignificance |
early patent on frequency-hopping spread spectrum
ⓘ
pioneering work in secure radio guidance systems ⓘ |
| influenced |
Bluetooth
ⓘ
GPS spread-spectrum techniques ⓘ Wi-Fi ⓘ modern wireless communication technologies ⓘ |
| inventor |
George Antheil
ⓘ
Hedy Lamarr ⓘ |
| involves | synchronized frequency changes between transmitter and receiver ⓘ |
| issueDate | 1942-08-11 ⓘ |
| jurisdiction |
USPTO
ⓘ
linked to:
United States Patent and Trademark Office
|
| language | English ⓘ |
| legalStatus | expired ⓘ |
| originalAssignee |
George Antheil
ⓘ
Hedy Kiesler Markey ⓘ |
| patentNumber | US2292387 ⓘ |
| priorityDate | 1941-06-10 ⓘ |
| publicationNumber | US2292387A ⓘ |
| purpose |
to prevent jamming of radio-controlled torpedoes
ⓘ
to provide secure radio communication ⓘ |
| relatedConcept |
anti-jamming technology
ⓘ
electronic countermeasures ⓘ spread-spectrum radio ⓘ |
| technologyType | spread spectrum communication system ⓘ |
| title | Secret Communication System ⓘ |
| usesTechnique |
frequency hopping
ⓘ
spread spectrum ⓘ |
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: US2292387 Description of subject: US2292387 is the U.S. patent granted to Hedy Lamarr (with George Antheil) for a pioneering frequency-hopping spread spectrum communication system that laid groundwork for modern wireless technologies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.