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Panasonic aj-yax800g [99/104] Aj y ax 800g j gpl 表4 24 05 9 13 am ページiv

Panasonic AJ-YAX800 [99/104] Aj y ax 800g j gpl 表4 24 05 9 13 am ページiv

GPL/LGPL

LGPL

$ GNU LESSER GENERAL PUBLIC LICENSE

Version 2.1, February 1999

59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Everyone is permitted to copy and distribute verbatim

copies of this license document, but changing it is not

allowed.

[This is the first released version of the Lesser GPL. It also

counts as the successor of the GNU Library Public License,

version 2, hence the version number 2.1.]

Preamble

The licenses for most software are designed to take away

your freedom to share and change it. By contrast, the GNU

General Public Licenses are intended to guarantee your

freedom to share and change free software—to make sure

the software is free for all its users.

This license, the Lesser General Public License, applies to

some specially designated software packages—typically

libraries—of the Free Software Foundation and other

authors who decide to use it. You can use it too, but we

suggest you first think carefully about whether this license or

the ordinary General Public License is the better strategy to

use in any particular case, based on the explanations

below.

When we speak of free software, we are referring to

freedom of use, not price. Our General Public Licenses are

designed to make sure that you have the freedom to

distribute copies of free software (and charge for this

service if you wish); that you receive source code or can get

it if you want it; that you can change the software and use

pieces of it in new free programs; and that you are informed

that you can do these things.

To protect your rights, we need to make restrictions that

forbid distributors to deny you these rights or to ask you to

surrender these rights. These restrictions translate to certain

responsibilities for you if you distribute copies of the library

or if you modify it.

For example, if you distribute copies of the library, whether

gratis or for a fee, you must give the recipients all the rights

that we gave you. You must make sure that they, too,

receive or can get the source code. If you link other code

with the library, you must provide complete object files to

the recipients, so that they can relink them with the library

after making changes to the library and recompiling it. And

you must show them these terms so they know their rights.

We protect your rights with a two-step method: (1) we

gives you legal permission to copy, distribute and/or modify

the library.

To protect each distributor, we want to make it very clear

that there is no warranty for the free library. Also, if the

library is modified by someone else and passed on, the

recipients should know that what they have is not the

original version, so that the original author’s reputation will

not be affected by problems that might be introduced by

others.

Finally, software patents pose a constant threat to the

existence of any free program. We wish to make sure that a

company cannot effectively restrict the users of a free

program by obtaining a restrictive license from a patent

holder. Therefore, we insist that any patent license obtained

for a version of the library must be consistent with the full

freedom of use specified in this license.

Most GNU software, including some libraries, is covered by

the ordinary GNU General Public License. This license, the

GNU Lesser General Public License, applies to certain

designated libraries, and is quite different from the ordinary

General Public License. We use this license for certain

libraries in order to permit linking those libraries into non-

free programs.

When a program is linked with a library, whether statically or

using a shared library, the combination of the two is legally

speaking a combined work, a derivative of the original

library. The ordinary General Public License therefore

permits such linking only if the entire combination fits its

criteria of freedom. The Lesser General Public License

permits more lax criteria for linking other code with the

library.

We call this license the “Lesser” General Public License

because it does Less to protect the user’s freedom than the

ordinary General Public License. It also provides other free

software developers Less of an advantage over competing

non-free programs. These disadvantages are the reason we

use the ordinary General Public License for many libraries.

However, the Lesser license provides advantages in certain

special circumstances.

For example, on rare occasions, there may be a special

need to encourage the widest possible use of a certain

library, so that it becomes a de-facto standard. To achieve

this, non-free programs must be allowed to use the library.

A more frequent case is that a free library does the same

job as widely used non-free libraries. In this case, there is

little to gain by limiting the free library to free software only,

so we use the Lesser General Public License.

In other cases, permission to use a particular library in non-

free programs enables a greater number of people to use a

large body of free software. For example, permission to use

the GNU C Library in non-free programs enables many

more people to use the whole GNU operating system, as

well as its variant, the GNU/Linux operating system.

Although the Lesser General Public License is Less

protective of the users’ freedom, it does ensure that the user

of a program that is linked with the Library has the freedom

and the wherewithal to run that program using a modified

version of the Library.

The precise terms and conditions for copying, distribution

and modification follow. Pay close attention to the difference

between a “work based on the library” and a “work that uses

the library”. The former contains code derived from the

library, whereas the latter must be combined with the library

in order to run.

07.AJ-YAX800G(J/GPL/表4)24 05.4.5 9:13 AM ページiv

Panasonic aj-yax800g [99/104] Aj y ax 800g j gpl 表4 24 05 9 13 am ページiv

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