Apple's Lightning Connector Detailed in Newly-Published Patent Applications

As noted by AppleInsider, the U.S. Patent and Trademark Office today published three Apple patent applications related to the company's Lightning connector introduced on its iOS devices late last year.

lightning_connector_patent_1

Perspective view of Lightning connector

The first application describes the hardware itself, while two nearly identical applications outline the adaptive technology used to assign pin functions. The only difference between the latter two applications appears to relate to one describing implementation on an electronic device while the other addresses its use on an accessory.

The present invention generally relates to connectors for connecting two devices. Specifically, certain embodiments of the present invention relate to reversible connectors with configurable contacts. [...]

Embodiments of the present invention provide techniques for dynamically configuring contacts of a host-side connector that is associated with a host system. In one embodiment of the present invention, a contact in the host-side connector is capable of being assigned one of several functions. The function to be assigned to the contact (and other contacts in the connector) may depend on the accessory coupled to the host system and the signals provided/used by the accessory. For example, when an audio only accessory is coupled to the host system, at least one of the contacts on the host-side connector can be configured to carry audio data.

lightning_connector_patent_2

Example pin-out diagram of Lightning connector

As part of the hardware-focused patent, Apple shares several examples of implementations for the Lightning connector, including the Lightning Digital AV adapter, Lightning to SD Card Camera Reader, and even an as yet unreleased Lightning dock of similar design to the company's iPad dock for the first-generation iPad with its 30-pin connector standard.

Apple's three patent applications published today were filed in November and December of last year, but are continuations of similar applications filed on September 7, 2012, five days before the company officially announced the standard as part of the iPhone 5 introduction. The patent applications can, however, be traced back even further to several provisional patent applications filed by Apple in November 2011.

Tag: Patent

Popular Stories

2007 iPhone

Apple Discontinuing This 18-Year-Old iPhone Feature

Saturday February 8, 2025 3:51 pm PST by
The end of an 18-year era is on the horizon for the iPhone. Apple reportedly plans to announce a new iPhone SE as soon as next week, and the device is expected to feature a full-screen design with Face ID, instead of a Touch ID home button. That means Apple will no longer sell any new iPhone models with a home button, for the first time since the original iPhone launched. The home button...
oppo find n5 fingers

World's Thinnest Foldable Phone Launches Next Week

Monday February 10, 2025 3:05 am PST by
Oppo has confirmed a February 20 global launch for its Find N5, which the company claims is the world's thinnest device in the foldable phone category. The phone is expected to be re-branded as the OnePlus Open 2 in the US. The Chinese vendor has been teasing the device in the last few weeks, touting its waterproofing and nearly invisible display crease, and highlighting its thinness by compa...
m2 macbook air blue

M4 MacBook Air Release Continues to Appear Imminent

Monday February 10, 2025 10:56 am PST by
There continue to be signs of a new MacBook Air with an M4 chip, indicating that we could see the machine launch in the not too distant future. A private account on X today shared the identifiers that the MacBook Air will use, and those identifiers correspond to the M4 chip. According to the source, both the 13-inch MacBook Air and the 15-inch MacBook Air will be equipped with Apple's...
iCloud General Feature Redux

iPhone Users Who Pay for iCloud Storage Receive an All-New Perk

Thursday February 6, 2025 11:21 am PST by
If you pay for iCloud storage on your iPhone, Apple has a new perk for you, at no additional cost. iCloud+ is the official name for Apple's paid iCloud storage plans, which range from 50GB for $0.99 per month to 12TB for $59.99 per month in the United States. iCloud+ plans already come with multiple perks for free, such as Hide My Email and HomeKit Secure Video, and now there is another one...
imac video apple feature

Apple to Announce New Products Next Week

Saturday February 8, 2025 10:55 am PST by
Apple has yet to release any new devices in 2025, but at least two new products are expected to be announced next week, according to rumors. Below, we outline the new Apple products that are likely to be unveiled next week. iPhone SE 4 Apple plans to announce the long-rumored iPhone SE 4 as soon as next week, according to Bloomberg's Mark Gurman. The new iPhone SE is rumored to...
apple silicon mac lineup 2024 feature purple

Apple Increases Mac Trade-In Values for a Limited Time

Sunday February 9, 2025 3:53 pm PST by
Apple today increased its estimated trade-in values for select Mac models in the United States, with the full changes outlined below. Apple says the extra trade-in credit for select Macs is available with the purchase of an eligible new Apple device through April 2. The trade-in values increased by between $10 and $50. Model New Value Old Value MacBook Pro Up to $925 ...
iOS 18

iOS 18.4 Will Include These New Features for Your iPhone

Wednesday February 5, 2025 7:15 am PST by
iOS 18.3 was released last month, so the first iOS 18.4 beta should be coming soon. iOS 18.4 is expected to be a more substantial update for the iPhone, with several new features and changes related to Apple Intelligence and beyond. Apple's website suggests that iOS 18.4 will be released in April, following beta testing. Below, we outline what to expect from the update so far. Apple...
Powerbeats Pro 2 Orange

Powerbeats Pro 2 Given to Customer Early, Expected to Debut Tomorrow

Monday February 10, 2025 7:42 am PST by
Apple's long-awaited Powerbeats Pro 2 are finally expected to be announced this Tuesday. Ahead of time, one lucky Walmart customer was able to get their hands on the earbuds early, according to a since-deleted Reddit post over the weekend. A leaked image of the Powerbeats Pro 2 in Electric Orange "My local Walmart had them in the cage," the Reddit user explained. "I asked if I can buy them...

Top Rated Comments

Skika Avatar
154 months ago
Lightning >>> 30-pin
Score: 12 Votes (Like | Disagree)
bungiefan89 Avatar
154 months ago
Wireless for God sake!
Because having a giant pad on your desk to rest your phone on for charging is so much more convenient than a little plug, right? :rolleyes:
Score: 10 Votes (Like | Disagree)
LagunaSol Avatar
154 months ago
It's amazing how dismissive some people can be over what is literally a breakthrough connector design.

Parallel: Directional = challenging to connect.
Serial: Directional = challenging to connect.
ADB: Directional = challenging to connect.
USB: Directional = challenging to connect.
Mini-USB: Directional = challenging to connect.
Firewire: Directional = challenging to connect.
HDMI: Directional = challenging to connect.
30-pin Dock: Directional = challenging to connect.

Lightning: Non-directional = easy to connect.

Has there ever been a electronic connector that accomplished so much in so little space yet required so little effort from the user?

Yet people are going to dismiss this as unnecessary, over-engineered, pointless?

Good grief. This company can do no right.
Score: 9 Votes (Like | Disagree)
newagemac Avatar
154 months ago
I'm confused as to why the connector is so complex. The plug has eight pins on either side, but the jack only has eight pins on a single side. It seems that if the function of the pins on the plug were identical on each side, everything should work just fine. Even though the old dock connector had 30 pins (most of which were never used), I'm not sure what flexibility Apple is gaining by having adaptive Lightning connectors. I would think eight non-adaptive connectors would be able to carry all the needed power and data.

Because this is what allows the connector to work no matter which side you plug in. Probably my favorite feature of the Lighting connector. Nice little innovation IMO.
Score: 6 Votes (Like | Disagree)
redman042 Avatar
154 months ago
I see that, for a lot of people, Apple continues to do nothing right. Now that people are bored of complaining about Antennagate, I guess this is the next best thing to whine about.

Yeah a connector change is a bit painful at first, and some people are still waiting for more compatible accessories. But Apple has always "skated to where the puck is going" instead of "where the puck is" and this is no exception. Other than being a robust, tiny, easy to use little cable, it's highly adaptable to future needs. For those who see this new connector as a big complaint, may I suggest you skip a generation and hang on to your 30 pin devices a while longer until accessory makers catch up and prices drop.

I've had the iPhone 5 since it came out, and I like the new cable. It's not a big deal or anything, but it's one more coat of polish on a great product line, and I expect the change to pay more dividends down the road.
Score: 5 Votes (Like | Disagree)
iapplelove Avatar
154 months ago
Nothing more exciting than cable technology
Score: 5 Votes (Like | Disagree)