Company Filing History:
1 out of 1 
1 out of 70 Years Active: 1998-2012
Title: Fu-Yuan Chang: Innovator in Detection and Control Technologies
Introduction
Fu-Yuan Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the fields of detection and control technologies, holding a total of 2 patents. His innovative work has been recognized in various industries, showcasing his expertise and creativity.
Latest Patents
One of Fu-Yuan Chang's latest patents is a foreign object detecting apparatus in a bill passageway. This apparatus includes a laser light source, a first light detector, and a second light detector. The laser light source emits a coherent laser beam, which is monitored by the first light detector. When a foreign object is present in the bill passageway, the intensity of the coherent laser beam received by the first light detector decreases, allowing the second light detector to capture any reflected, refracted, diffracted, or scattered light from the foreign object.
Another significant patent is the power drive control device of an automatic door. This device features a gear box with a shell and a motor drive. The motor drive includes a front cover that is integrally made with the shell of the gear box, along with a back cover that secures the motor shaft and other components. The design allows the photoelectric pick-up device to monitor the operation of the motor shaft effectively.
Career Highlights
Fu-Yuan Chang has worked with several companies throughout his career, including Ta Chien Machinery & Electronic Industrial Co., Ltd. and International Currency Technologies Corporation. His experience in these organizations has contributed to his development as an inventor and innovator.
Collaborations
Some of Fu-Yuan Chang's notable coworkers include Tien-Yuan Chien and Cheng-Kang Yu. Their collaboration has likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.
Conclusion
Fu-Yuan Chang's contributions to detection and control technologies highlight his innovative spirit and dedication to improving industry standards. His patents reflect a commitment to solving practical problems through inventive solutions.