108 lines
4.2 KiB
Plaintext
108 lines
4.2 KiB
Plaintext
Guide to the CERN OHL v.1.2
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This document contains guidelines on how to apply the CERN OHL v.1.2 to
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a given hardware design, and on the use of hardware designs licensed
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under the CERN OHL v.1.2.
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How to apply the CERN OHL v.1.2 to a hardware design
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----------------------------------------------------
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Pre-requisite:
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Authorship/ownership of the design must be clear and undisputed. Only
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the legal owner of the rights in the hardware design may decide under
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what conditions to make it available. If ownership is vested in more
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than one person/entity, there must be an agreement among the owners to
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release the hardware design as open hardware, and under the CERN OHL in
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particular.
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The hardware design documentation and files package
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Pack all your hardware design documentation files (schematics,
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layout...) as well as the documents listed below in an archive file.
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This will ensure the licensee downloads everything in one go. It is best
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to archive the files using a format everybody can open. Schematics and
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layouts should be included in both source form and a format readable by
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everybody, such as pdf.
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The following documents must be distributed together with the hardware
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design documentation:
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- Document containing the CERN OHL v.1.2 (e.g. LICENSE.PDF)
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- This Guide
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- Text files (plain ASCII file), where information can be added to but
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not removed from, listing:
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- Contact point wishing to receive information about manufactured
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Products (see section 4.2) (e.g. PRODUCT.TXT);
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- Modifications made by Licensee (see section 3.4.b) (e.g.
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CHANGES.TXT)
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What to do with the hardware design documentation
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Include in the hardware design documentation, for instance as a header,
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the following elements (see section 3.1 CERN OHL v.1.2):
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- a copyright notice reflecting actual ownership;
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- a notice that the hardware design documentation is licensed under
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the CERN OHL v.1.2, possibly with a link to
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<http://ohwr.org/cernohl> where the licence texts are hosted:
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- “Licensed under CERN OHL v.1.2 or later”
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- “Licensed under CERN OHL v.1.2”;
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- a disclaimer of warranties;
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- a Documentation Location if you wish to specify one;
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The following is an example of header if CERN is the Licensor:
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Copyright CERN 2013.
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This documentation describes Open Hardware and is licensed under the
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CERN OHL v. 1.2.
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You may redistribute and modify this documentation under the terms of
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the CERN OHL v.1.2. (<http://ohwr.org/cernohl>). This documentation is
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distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF
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MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR
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PURPOSE. Please see the CERN OHL v.1.2 for applicable conditions
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Include in a part of the Documentation corresponding to a visible part
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of the Product (e.g. silkscreen or top copper for a Printed Circuit
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Board):
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- the licence notice: “Licensed under CERN OHL v.1.2”
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- Do **not** include the CERN logo or the copyright notice
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- the Documentation Location if you wish it to appear on the Product,
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thus enabling all subsequent recipients of the Products to find the
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Documentation.
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How to deal with hardware designs licensed under the CERN OHL v.1.2
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-------------------------------------------------------------------
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Generally speaking, you must always comply with any obligations applying
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to a particular design (detailed in a contract or accompanying licence).
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If you receive hardware designs licensed under the CERN OHL v.1.2, the
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obligations are to:
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- Keep intact all the copyright and trademark notices and
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Documentation Location notices that are on the hardware design
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documentation;
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- Keep intact the references to the CERN OHL v.1.2;
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- Keep intact the disclaimer of warranties.
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If you modify hardware design that you received from someone else that
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is licensed under the CERN OHL v.1.2, you must
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- Keep intact all the notices referred to above;
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- Include notices that you have modified the hardware designs,
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detailing what modifications where made (e.g. in a CHANGES.TXT
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file);
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- Add the appropriate copyright notice and Documentation Location to
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the modifications that were made;
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- license the modifications under the CERN OHL v.1.2 if you distribute
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them.
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