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SpaceX seeks patent for custom-built Starlink internet satellite antenna design

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Update: Readers on Reddit more familiar with patent processes have noted that the USPO filings written about herein were not patent grants but rather patent applications. While a patent grant is not guaranteed and will likely take many additional months to be completed, all other points made in this article still stand. 

SpaceX has been granted domestic (U.S.) and international patents for a custom version of an antenna known as a phased array, in this case featuring significant upgrades in pursuit of greater energy efficiency, higher bandwidth, lower weight, and simplified manufacturing, all things that would be a boon for the realization of SpaceX’s global Starlink internet satellite constellation.

With a minimum of ~4400 satellites required for the first wave of global and continuous internet coverage, SpaceX will need to invent unprecedented methods of mass-producing efficient and reliable spacecraft on a scale that has never been attempted in the satellite manufacturing industry.

While highly technical and difficult to parse, the granted patent and the dozen or so figures accompanying it offer at least a theoretical glimpse into the inner workings of SpaceX’s extremely secretive satellite internet constellation project, the hubs of which can be found in Seattle and Redmond, Washington. Currently employing at least 300 people dedicated to Starlink, the teams involved are pushing full speed ahead into a new phase of manufacturing design and development, evidenced in part by hiring patterns and even this patent, which itself places significant focus on manufacturability, a telltale sign that SpaceX is unlikely to let it sit around gathering intellectual property dust.

It’s entirely possible that SpaceX has chosen to file patents through individual employees or shell LLCs, but this phased array antenna patent – filed in February and granted in August 2018 – is by all appearances the third patent ever granted directly to SpaceX, alongside aluminum-honeycomb manufacturing and a critical component of its Merlin rocket engines. Perhaps this serves as some sort of indicator of how important Starlink actually is behind the veil, although it may also simply reflect the intense competition circling the prospects of a low Earth orbit satellite internet constellation.

 

Other companies like OneWeb and Telesat are also racing to field their own several-hundred or several-thousand satellite constellations, and OneWeb may well be the closest to actually serving customers with operational satellite launches potentially beginning as early as December 2018 to February 2019. Still, SpaceX’s own prospective Starlink constellation is exceptional due to the sheer amount of work that the company is attempting to do in-house, to the extent that senior leaders of the R&D team have recently implied that work not done in-house was generally outsourced only due to “lack of engineering bandwidth”.

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Ultimately, this patent and many of the diagrams within suggest that SpaceX may actually be getting relatively close to mass-production of high-performance Starlink satellites. Of particular note, the integrated circuit CAD view offered in Figure 6A hints that an impressive amount of work has been put into designing, building, testing, and refining custom and application-optimized computational hardware, an entirely new and highly complex field for SpaceX to enter into.


For prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket recovery fleet check out our brand new LaunchPad and LandingZone newsletters

Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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Elon Musk

Elon Musk updates the SpaceX timeline for Mars

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Rendering of a colonized Mars by way of SpaceX
Rendering of a colonized Mars by way of SpaceX

Elon Musk has updated his timeline for when humans will walk on Mars and for when ships will simply get there.

The objective of getting to Mars has been one of Musk’s biggest goals since becoming a serial entrepreneur and realizing that time on Earth is limited. Musk has said several times he hopes to die on Mars, and not by impact.

Musk now believes that people will be on Mars in “roughly 5 to 7 years.” He said that a Mars lander will get there “a few years sooner.”

The response from Musk comes after NASA Administrator Jared Isaacman said that SpaceX’s biggest priority is the Moon and not Mars. Because of this, Isaacman conceded that he believes nuclear power and propulsion investments will provide “potentially the pathway with the fewest miracles required to put four people on Mars in the next 10 to 15 years.”

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Of course, this is what NASA can do through taxpayer funding and nuclear investments, he added.

Musk’s grand ambitions are much more optimistic than most, and it is certainly a double-edged sword. This is not the first time timelines for Mars have been somewhat lofty, especially to those normal thinkers like you and me, not super geniuses like Musk.

SpaceX Board has set a Mars bonus for Elon Musk

In fact, the SpaceX and Tesla frontman has said on at least a dozen occasions that we could be on Mars in the coming years. Musk said 2020 would be the big year as early as 2009. In 2020, he was “highly confident” of a landing in 2026, and had even said 2024 in a best-case scenario.

The point is, the range has varied, and it’s anyone’s guess when we’ll get there. This latest adjustment to the timeline is typical of Musk, and while the Moon has seemingly taken priority over Mars, it is still worth mentioning that the ultimate goal is to make life multiplanetary, and it starts potentially with the Red Planet.

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Investor's Corner

SpaceX gets an absolutely crazy price target after rough IPO

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Credit: SpaceX

SpaceX (NASDAQ: SPCX) got an absolutely crazy price target rating from Raymond James after the company experienced a tough first few weeks following its Initial Public Offering (IPO).

Despite the tumultuous start, SpaceX has plenty of believers, and the company’s massively successful Starship launch last Friday, its 13th test flight of the massive rocket, went so smoothly that Raymond James analysts pushed its price target on the company to roughly 7 times its current trading level.

SpaceX Starship just nailed something it’s never done before

The firm officially put a “Strong Buy” rating and an $800 price target on the stock. It currently trades at around $113. Its all-time high is $225.64, reaching this trading level shortly after shares first went public.

Raymond James’ price target is tied to the firm’s confidence after Starship’s 13th test flight. Analysts at the firm said it was an incremental step that reduces engineering risks, citing the widely successful heat shield test that CEO Elon Musk recently detailed, the smooth deployment of Starlink V3 satellites, and a successful in-space engine relight.

SpaceX also managed to see Starship splash down safely in the Indian Ocean, while the Super Heavy Booster fell down to the Gulf of America with no incidents.

It is interesting to see these launches have such a tremendous impact on the stock and what investors think of it. After SpaceX initially delayed the Starship launch last week, shares fell tremendously. Most probably did not realize that the stand-down is a standard practice, especially if everything is not perfect.

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The mission was initially aborted due to an issue with Raptor engines. This was resolved, and Starship launched last Friday after another delay on Thursday, which was caused by weather.

Now that analysts have seen what SpaceX launches are capable of and how impressive the feat is, firms are adjusting their price targets accordingly, making it known that they have high expectations for the space exploration company.

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Elon Musk responds to Volvo’s latest LiDAR decision

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(Credit: Tesla)

Tesla CEO Elon Musk has responded to reports that Volvo is officially discontinuing the LiDAR sensor on two of its cars.

Volvo announced that it would officially scrap LiDAR systems on its EX90 and ES90 vehicles in various markets. In Norway, owners will get a €1,800 compensation for features that will never arrive due to this decision. There will be no option to remove the unit from vehicles, either.

The issue stems from Volvo’s supplier, Luminar, and its bankruptcy filing. Luminar will no longer be able to supply LiDAR units to Volvo for the EX90 and ES90, effectively axing any use the unit has on vehicles. Volvo will phase out the data collection processes via the LiDAR system, and it will not be utilized whatsoever.

Musk saw the story on X and responded, stating:

“I did try to warn them. Humans drive using neural nets and optical sensors. Same is true for robot cars.”

Musk has been publicly vocal about his disdain for LiDAR systems, once calling them “a fool’s errand,” as he has consistently kept the outlook that they are not needed for effective self-driving.

The typical example used as evidence for this by Musk is humans themselves: made with only eyes and memories, humans are capable of navigating a car by using what they can see and what they’ve personally experienced on the road.

Elon Musk argues lidar and radar make self driving cars more dangerous

“Same is true for robot cars,” Musk says, as Teslas have eight exterior cameras that help see everything surrounding the vehicle, and a neural network that analyzes behavior and tendencies with every mile driven.

Tesla is a vision-only self-driving company that ditched sensors and radar several years ago in favor of cameras. Behind this effort, the company has established a reputation for having one of the most robust self-driving platforms in the world.

Musk’s big bet with Tesla on its self-driving program’s strategy has widely paid off. Other companies continue to utilize things like LiDAR, radar, and sensors for effective self-driving, but Tesla has shown that there is more than one way to give consumers a strong and accurate driver assistance suite.

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The real question is: who will be the first company to take Musk’s advice and attempt a self-driving platform based on cameras only, or even license FSD for themselves?

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