Facebook Technologies, LLC (Menlo Park, CA)
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Artificial reality systems permit the capture of the surrounding environment around a user in three dimensions (3D). They are able to also monitor the direction of the gaze of the user, along with other data about the eyes. Fringe pattern illumination is a crucial element of any depth camera sensor as it reduces aliasing of images. Local devices for area sensing and eye tracking devices that utilize fringe pattern illumination are large, heavy and consume significant energy. Additionally, traditional fringe pattern illumination devices provide limited field of views and an unassailable fringe spacing. Therefore, illumination devices in the prior art may not be sufficiently compacted or dynamically adjustable.
A compact light projection system is described to be used in artificial reality systems, and which outputs fringe patterned light that can be dynamically adjustable. The light projection system comprises one or more switchable fringe patternilluminators . They may be used in the form of a depth camera assembly (e.g. or as part of a headset). The illuminators with a switchable fringe pattern are described in this article provide flexibility by incorporating components that are dynamically adjustable like phase delay devices,coupling controllers, and switchable light sources which can each be adjustable to control the fringe pattern of interferometric illumination.
The switchable fringe pattern illuminator is equipped with an optical path switch (e.g. Mach-Zehnder-interferometer (MZI), an interferometer with multimode (MMI) built-in switch, a ring-resonator-based one and so on.). The optical path switch is configured to receive light and control dynamically an amount of light provided to a first waveguide as well as the amount of light given to a second waveguide. A first projector configured to create a first fringe pattern using light from firstwaveguide. A first fringe pattern is utilized to light a specific portion of a target area. The second projector can be employed to create a second pattern by using light from the secondwaveguide. The second part of the target is illuminated by the second fringe pattern.
Illuminators are a part of a depth camera assembly (DCA). The DCA could generate instructions and give the instructions to the Illuminator. The DCA also has a camera assembly configured to capture images of a portion ofthe target area. The DCA is further configured to calculate depth information based partly on the images that were taken.
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What is a patent?
Granted by the government to protect an invention patents give the inventor with the exclusive right to use, create the invention, market and promote the invention? Society gains when a new technology is brought to the market. Benefits can be realized in the direct sense, since it can allow people to do previously impossible things, or indirectly, due to the opportunities for economic growth (business expansion and job creation) which the invention provides.
Patent protection is sought by many universities and pharmaceutical companies to protect their research and development. A patent can cover the physical or abstract nature of a product or process or the method or composition of materials that are new to the field. Patent protection must be granted to an invention that is useful or novel and is not already known by others in the same area.
Patents give inventors a chance to be recognized for commercially viable inventions. They provide a motivation for inventors to come up with new ideas. Patents enable inventors and small businesses to be assured that there’s an excellent chance that they will get a profit on their time, effort, and money invested in technology development. They can earn money by their work.
Businesses with the ability to:
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Improve the visibility and the value of your products on market
Your business and your products should be distinguished from the competition;
Get technical and business information.
Avoid accidentally using third-party content or losing important data, creative outputs or any other outputs that are creative.
Patents can transform an inventor’s knowledge into a marketable asset, which creates new opportunities for employment creation and growth of business through licensing or joint ventures.
Investors in the commercialization and development of technology will find small-scale businesses that have patent protection to be more attractive.
Patenting may lead to fresh ideas and innovative inventions. This information could encourage the development of new ideas and could qualify for patent protection.
Patents can be used to stop untrustworthy third-party companies from earning from the invention’s efforts.
Patent-protected technology revenues that are commercially profitable can be used to fund research and development (R&D) which increases the chance of more advanced technology in the near future.
Intellectual property ownership can be used to convince lenders and investors that there are real chances to commercialize your product. A single patent could lead to multiple financing opportunities. Patents and other IP assets can be used as collateral or as security for debt financing. Investors may also look at your patent assets in order to increase the value of your company. Forbes and other sources have pointed out that every patent could add anywhere from $500,000 to one million dollars to your company’s valuation.
A well-designed business plan is crucial for new businesses. It must be founded on IP and demonstrate how your product/service stands out. Investors will also be impressed if you have IP rights are secure or are in the process of being secured and if they are supportive of your business strategy.
It is crucial to keep an invention secret until you submit for patent protection. The public divulging an invention could often damage its novelty and render it invalid. Therefore, prior filing disclosures (e.g. for testing-marketing investors, investors, or for other business partners) must only be done upon signing a confidentiality contract.
There are many kinds of patents. Understanding them is crucial to protect your invention. Patents for utility are used to protect new processes and machine creations. Design patents cover ornamental designs. Utility patents are the most effective and shield the owner from copycats and other competitors. Utility patents are often issued to improve or alter existing inventions. Utility patents can also be used to cover improvements and modifications to existing inventions. A process patent could cover the acts or methods to perform a specific action. However, a chemical composition would include a combination of components.
What is the typical length of patents? Utility patents are valid for 20 years from the initial date of filing, however their expirations can be extended due to delays in the patent office for instance.
Are you planning to patent your ideas? As patents are only granted to first-time applicants You must start filing quickly. Call a patent attorney at PatentPC to file your invention now!
When you’re writing an application for patents when you are writing a patent application, it is important to conduct an internet search for patents, since it will provide you with an understanding of other people’s ideas. It will help you limit the scope of your invention. Also, you can learn about the latest developments in your field of invention. This will allow you to comprehend the scope of your invention and prepare you to file your patent application.
How to Search for Patents
A patent search is the very first step to getting your patent. You can do a google patent search or do a USPTO search. After the patent application has been submitted, the product that is covered by the application can be called patent-pending, and you can locate the patent application online on the public pair. When the patent office has endorsed the patent application, you are able to do a patent number search to find the patent that was issued which means that your product has been granted patent. It is also possible to use the USPTO search engine. See below for details. For assistance, you can consult a patent attorney or patent attorney. Patents in the United States are granted by the US trademark and patent office, also known as the United States patent office and trademark office. The office also examines trademark applications.
Interested in finding more similar patents? Here are the steps:
1. Brainstorm terms that describe your invention based on the purpose, composition and application.
Begin by writing down a succinct detailed description of your invention. Do not use generic terms such as “device,” “process,” and “system.” Instead, look for synonyms to the terms you chose initially. Next, note important technical terms and key words.
Use the questions below to help you determine key words or concepts.
- What’s the goal of this invention? Is it a utilitarian device or an ornamental design?
- Does the invention consist of a method of making something or performing a function? Are you referring to an object?
- What is the nature and purpose of the invention? What is the physical structure of the invention?
- What is the goal of the invention?
- What are the technical terms and keywords that define the nature of an invention? A technical dictionary can help you find the appropriate words.
2. Use these terms to search for relevant Cooperative Patent Classifications at the Classification Text Search Tool. If you are unable to find the right classification for your invention, scan through the Schemas of classes (class schedules). If you don’t see any results from the Classification Text Search, you might consider substituting your words to describe your invention using synonyms.
3. Examine the CPC Classification Definition to verify the relevancy of the CPC classification that you have located. If the chosen classification is a blue box that has a “D” to its left, the link will direct you to the CPC classification definition. CPC classification definitions will help identify the specific classification’s scope which is why you can be certain to choose the one that is appropriate. They may also provide research tips or other suggestions that could be helpful for further investigation.
4. The Patents Full-Text Database and the Image Database allow you to retrieve patent documents that include the CPC classification. By focusing your search on abstracts and drawings that are representative, you can narrow down your search to the relevant patent documents.
5. This selection of patent publication is the best to examine for connections to your idea. Be sure to read the specifications and claims. Contact the applicant as well as the patent examiner for any additional patents.
6. It is possible to find published patent applications that match the CPC classification you picked in Step 3. The same search strategy can be used as Step 4. You can filter your search results in order to locate the most pertinent patent applications by reviewing the abstracts and representative drawings on each page. After that, you must review every patent application that has been published with care with particular attention paid to the claims as well as other drawings.
7. You can search for other US patent publications by keyword searches in AppFT or PatFT databases, and also classification search for non-U.S. Patents as described below. Additionally, you can utilize web search engines to search for non-patent-related patent disclosures in literature about inventions. For instance:
- Add keywords to your search. Keyword searches may turn up documents that are not well-categorized or have missed classifications during Step 2. For example, US patent examiners often supplement their classification searches with keyword searches. Think about the use of technical engineering terminology rather than everyday words.
- Search for foreign patents using the CPC classification. Then, re-run the search using international patent office search engines such as Espacenet, the European Patent Office’s worldwide patent publication database of over 130 million patent publications. Other national databases include:
- European Patent Office (EPO) provides esp@cenet to access a network of Europe’s patent databases with access to machine translation of European patents.
- Japan Patent Office (JPO) – with access to machine translations of Japanese patents.
- World Intellectual Property Organization (WIPO) offers PATENTSCOPE with a full-text search of published international patent applications and machine translations for some documents, as well as a list of international patent databases.
- Korean Intellectual Property Rights Information Service (KIPRIS)
- State Intellectual Property Office (SIPO) with machine translation of Chinese patents.
- Other International Intellectual Property Offices with online patent databases include Australia, Canada, Denmark, Finland, France, Germany, Great Britain, India, Israel, Netherlands, Norway, Sweden, Switzerland, and Taiwan.
- Search non-patent literature. Inventions can be made public in many non-patent publications. It is recommended that you search journals, books, websites, technical catalogs, conference proceedings, and other print and electronic publications.
To review your search, you can hire a registered patent attorney to assist. A preliminary search will help one better prepare to talk about their invention and other related inventions with a professional patent attorney. In addition, the attorney will not spend too much time or money on patenting basics.