Enclosed C or circled Latin C (Ⓒ or ⓒ) is a
typographical symbol. As one of many
enclosed alphanumerics
Enclosed Alphanumerics is a Unicode block of Typography, typographical symbols of an alphanumeric within a circle, a bracket or other not-closed enclosure, or ending in a full stop.
It is currently fully allocated. Within the Basic Multi ...
, the symbol is a "
C" within a
circle
A circle is a shape consisting of all point (geometry), points in a plane (mathematics), plane that are at a given distance from a given point, the Centre (geometry), centre. The distance between any point of the circle and the centre is cal ...
.
Encodings
The symbols are encoded by Unicode in the block
Latin-1 supplement
The Latin-1 Supplement (also called C1 Controls and Latin-1 Supplement) is the second Unicode block in the Unicode standard. It encodes the upper range of ISO 8859-1: 80 (U+0080) – FF (U+00FF). C1 Controls (0080–009F) are not graphic. T ...
as and .
Uses
Some
Chiyoda Kogaku (aka
Chiyoko) cameras of the 1947 to 1949 era featured a blue ⓒ symbol as part of the lens designation like in "ⓒ
Super Rokkor
Rokkor was a brand name used for all Chiyoda Kōgaku Seikō and later Minolta lenses between 1940 and 1980, including a few which were marketed and sold by other companies like Leica Camera, Leica. The name was derived from the name of Mount Ro ...
", e.g. on the
Minolta 35
The Minolta-35 was launched in the spring of 1947 by Chiyoda Kogaku. It was the first successful new 35mm rangefinder camera with Leica specifications to emerge on the market after World War II that uses the 39mm screw lens-mount. The Minolta ...
or the
Minolta Memo. It was used to indicate a (single)
coated optics rather than any
copyright
A copyright is a type of intellectual property that gives its owner the exclusive legal right to copy, distribute, adapt, display, and perform a creative work, usually for a limited time. The creative work may be in a literary, artistic, ...
. Similar engravings can be found also on lenses of other manufacturers, e.g. some
Olympus Zuiko lenses carry a red-colored "
Zuiko C." designation indicating coated optics.
This symbol was widely used by the Cruver manufacturing company on their plastic recognition models that were produced during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
.
See also
*
Copyright symbol
The copyright symbol, or copyright sign, (a circled capital letter C for copyright), is the symbol used in copyright notices for works other than sound recordings. 17 U.S.C. The use of the symbol is described by the Universal Copyright Conv ...
()
*
Copyleft
Copyleft is the legal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in derivative works. In this sense, ''freedoms'' refers to the use of the work for any purpose, ...
symbol ()
References
Typographical symbols
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