Abstract:

This article presents different views on the product life cycle with a description of each phase. It also deals with the idea that factors, such as company´s rules, which the life cycle model is used in, or knowledge of the involved workers are very important to the exact definition of the life cycle model. The presented life cycles are rated according to the experience and knowledge of the authors. In another part of the article the life cycle composed of two commonly used life cycles is introduced. This composed life cycle mainly uses their approaches and advantages.