... | @@ -4,40 +4,26 @@ Myriam Ayass, legal adviser of the Knowledge and Technology Transfer |
... | @@ -4,40 +4,26 @@ Myriam Ayass, legal adviser of the Knowledge and Technology Transfer |
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Group at CERN and author of the CERN OHL:
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Group at CERN and author of the CERN OHL:
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>>>
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>>>
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In the spirit of knowledge sharing and dissemination, the CERN Open
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The CERN–OHL is to hardware what the free and open-source licences are to software. It defines the conditions under which a licensee will be able to use or modify the licensed material. It shares the same principles as free software or open-source software: anyone should be able to see the source – the design documentation in the case of hardware – study it, modify it and share it.
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Hardware Licence (CERN OHL) governs the use, copying, modification and
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distribution of hardware design documentation, and the manufacture and
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distribution of products.
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The CERN–OHL is to hardware what the General Public Licence (GPL) is
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to software. It defines the conditions under which a licensee will be
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able to use or modify the licensed material. The concept of ‘open-source
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hardware’ or ‘open hardware’ is not yet as well known or widespread as
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the free software or open-source software concept. However, it shares
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the same principles: **anyone should be able to see the source (the
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design documentation in case of hardware), study it, modify it and share
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it.
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In addition, if modifications are made and distributed, it must be
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under the same licence conditions – this is the ‘persistent’ nature of
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the licence, which ensures that the whole community will continue
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benefiting from improvements, in the sense that everyone will in turn be
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able to make modifications to these improvements.
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>>>
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>>>
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The CERN Open Hardware Licence was originally written for CERN designs
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The CERN Open Hardware Licence was originally written for CERN designs
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hosted in the Open Hardware Repository. It can also be used by any
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hosted in the Open Hardware Repository. It can also be used by any
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designer wishing to share design information using a licence compliant
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designer wishing to share design information using a licence compliant
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with the [OSHW definition criteria](http://freedomdefined.org/OSHW). If
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with the [OSHW definition criteria](https://www.oshwa.org/definition/). If
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you would like to contribute to make it better, please subscribe to the
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you would like to contribute to make it better, please subscribe to the
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[Discourse forum](https://forums.ohwr.org/c/cernohl) and submit any issue you may have.
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[Discourse forum](https://forums.ohwr.org/c/cernohl) and submit any issue you may have.
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## CERN Open Hardware Licence
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## CERN Open Hardware Licence v2
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- [CERN OHL version 2](Documents/CERN-OHL-version-2). Contains the licence texts for the three variants and a rationale document to explain the decisions we took while drafting them.
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- [CERN OHL version 2](Documents/CERN-OHL-version-2). Contains the licence texts for the three variants and a rationale document to explain the decisions we took while drafting them.
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## Older versions of the licence
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- [CERN OHL version 1.2](Documents/CERN-OHL-version-1.2). Contains the licence itself and a guide to its usage.
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- [CERN OHL version 1.2](Documents/CERN-OHL-version-1.2). Contains the licence itself and a guide to its usage.
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- [CERN OHL version 1.1](Documents/CERN-OHL-version-1.1). Contains the licence itself and a guide to its usage.
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- [CERN OHL version 1.1](Documents/CERN-OHL-version-1.1). Contains the licence itself and a guide to its usage.
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## Misc
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- [Example of usage](https://www.ohwr.org/project/spec/wikis/documents) in
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- [Example of usage](https://www.ohwr.org/project/spec/wikis/documents) in
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the [Simple PCIe FMC carrier
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the [Simple PCIe FMC carrier
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project](https://www.ohwr.org/project/spec).
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project](https://www.ohwr.org/project/spec).
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... | @@ -48,7 +34,7 @@ you would like to contribute to make it better, please subscribe to the |
... | @@ -48,7 +34,7 @@ you would like to contribute to make it better, please subscribe to the |
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## CERN OHL Users
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## Some CERN OHL Users
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- [Projects using the CERN Open Hardware Licence](CernOhlProjects)
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- [Projects using the CERN Open Hardware Licence](CernOhlProjects)
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... | @@ -111,5 +97,3 @@ you would like to contribute to make it better, please subscribe to the |
... | @@ -111,5 +97,3 @@ you would like to contribute to make it better, please subscribe to the |
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20 November 2019
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