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Code wheel

Known as: Codewheel 
A code wheel is a type of copy protection used on older computer games, often those published in the late 1980s and early 1990s. It evolved from the… 
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Broader (1)

Copy protection

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Having a reflective optical encoder code wheel is made of a resin
To provide a low cost can be miniaturized in the axial direction of the reflective optical encoder code wheel having a resin. The… 
2013
2013
Automatic Core boxed code wheel system and method for a code wheel core boxed
The present invention relates to an automatic core boxed code wheel system and method for automatic core boxed code wheel system… 
2013
2013
A photovoltaic diode and the relative displacement of the code wheel measuring object method
本发明涉及一种光电二极管码盘及其测量物体的相对位移的方法，属于测量技术领域。 本发明包括激光接收板及发激光装置，其特征在于：激光接收板由二极管码盘一及二极管码盘二构成，二极管码盘一及二极管码盘二的一端相互垂直固定，二极管码盘一及二极管码盘二的大小结构功能一致，二极管码盘一由n行n列的光电二极管阵列组成；每行设置n个光电二极管，每列设置n个光电二极管，n是大于1的正奇数；每行和每列的光电二极管都处于同一直线上并且每行每列相互平行，每行及每列的光电二极管组成的直线相互垂直，每行和每列的间隔为m毫米，m大于0；发激光装置由两个激光头构成，两个激光头的一端相互垂直设置。 
2013
2013
Code lock and code case
The invention relates to a code lock and a code case. The code lock comprises a bottom shell, a code assembly and an… 
2011
2011
Code wheel misalignment correcting function and an optical encoder with automatic gain control function
According to one embodiment, there is provided a device and method for correcting code wheel misalignment which employs upper and… 
2009
2009
Code wheel manufacturing method, code wheel, rotary encoder, rotation control unit, belt carrier unit, and image forming apparatus
A manufacturing method for a code wheel for a rotary encoder is provided. The code wheel includes, in a central portion, a hole… 
2007
2007
Place, role strain and health: A comparative study of the United States and Taiwan
2005
2005
Code wheel number direct reader
本发明公开了一种码盘数值直读装置，旨在克服现有技术成本高或表记数值不准确的缺陷。 它是在每个码盘的两侧分别装有红外发射电路和接受电路，在该电路上数分别装有4… 
2002
2002
Using the History of Calculus as an Aid for Teaching Dynamics
Nowadays, Calculus teaching has become a real challenge. Experiences in the classroom show that students consider Calculus a… 
2001
2001
Ultrawide bandwidth communication system and method for fast synchronisation
A UWB communication system and method for fast synchronization of one transceiver with another using the incoming UWB signal…