Enclosed C

Enclosed C or circled Latin C (Ⓒ or ⓒ) is a typographical symbol. As one of many enclosed alphanumerics, the symbol is a "C" within a circle.

"Ⓒ" redirects here. For ©, see copyright symbol. For other uses, see Circle-c (disambiguation).

Encodings

The capitalized symbol (Ⓒ) can be generated with the unicode encoding "U+24B8" and the UTF-8 (hex.) encoding "e2 92 b8".

The lower case symbol (ⓒ) can be generated with the unicode encoding "U+24D2" and the UTF-8 (hex.) encoding "e2 93 92". By contrast, the copyright symbol (©) uses unicode encoding "U+00A9".

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", e.g. on the Minolta 35 or the Minolta Memo. It was used to indicate a (single) coated optics rather than any copyright.[1] 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.[2]

gollark: Consider the scenario: there are two boxes before you. One of the boxes (let us call it "A") is transparent and contains £10000, which you can see. The other box ("B") is opaque. It contains £1000000 if and only if the entity running this weird scenario predicted (beforehand) that you'll take box B and not box A. Historically, it has been right the vast majority of the time about this. Your options are to take both boxes, or just to take B. What do?!
gollark: Anyway, while I exist, Newcomb's paradox is a fun if not particularly related problem in decision theory.
gollark: When have I *ever* said false things?
gollark: I don't believe in beds.
gollark: No, it's fully automated.

See also

References
  1. Kilpatrick, David (2007). "70 years of Minolta - The 1940s and 1950s". Photoclub Alpha. Retrieved June 7, 2015.
  2. "Collect Air | Friend or Foe? Museum". collectair.org. Retrieved April 12, 2017.


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