Company Filing History:
Years Active: 1976-1987
Title: The Innovations of Frederik Leonard Sangster
Introduction
Frederik Leonard Sangster is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of electro-acoustic technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of devices that convert electrical signals into acoustic signals.
Latest Patents
One of Sangster's latest patents is the "Electro-acoustic converter with compensated frequency response." This device is designed to convert an electric signal into an acoustic signal using an electro-acoustic transducer unit with a quality factor less than unity. The device includes an amplifier circuit that drives the transducer unit, featuring a frequency-dependent gain characteristic that increases towards lower frequencies. This innovation aims to improve efficiency, particularly when utilizing specialized amplifiers such as class-D amplifiers.
Another significant patent is the "Divide-by-two charge divider." This invention generates binary weighted charges by distributing an input charge between two parallel branches through charge transfer devices (CTDs). To correct errors resulting from this division, the divided charges are alternately transferred via additional CTDs, ensuring accuracy in the charge distribution process.
Career Highlights
Frederik Leonard Sangster is associated with U.S. Philips Corporation, a leading company in the field of technology and innovation. His work at Philips has allowed him to explore various aspects of electro-acoustic devices, contributing to advancements in sound technology.
Collaborations
Sangster has collaborated with notable colleagues, including Adrianus J Kaizer and Cornelis A Wesche. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Frederik Leonard Sangster's contributions to the field of electro-acoustic technology are noteworthy. His patents reflect a commitment to enhancing device efficiency and functionality. Through his work at U.S. Philips Corporation and collaborations with esteemed colleagues, Sangster continues to push the boundaries of innovation in his field.