Richard C Calderwood

Title: Richard C Calderwood: Innovator in Audio Technology and Imaging Systems

Introduction

Richard C Calderwood is a notable inventor based in Portland, OR. He has made significant contributions to the fields of audio technology and digital imaging. With a total of 12 patents to his name, Calderwood's innovations reflect his expertise and creativity in engineering.

Latest Patents

One of Calderwood's latest patents is for an audio speaker with graduated voice coil windings. This innovative design features a voice coil with sections that have varying electrical resistances and lengths per unit of height. The center portion of the voice coil is engineered to provide a greater BL, while the outer portions maintain lower overall electrical resistance. This design enhances the efficiency and linearity of the audio speaker driver during low excursion operations, resulting in a smoother transition from linear to non-linear regions. Another significant patent is for a digital camera with ISO pickup sensitivity adjustment. This system allows the ISO sensitivity of a digital imaging sensor to be dynamically adjusted based on various factors, including zoom, focal distance, available light, and the charge status of the flash device.

Career Highlights

Throughout his career, Calderwood has worked with prominent companies such as Step Technologies Inc. and Intel Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in technology.

Collaborations

Calderwood has collaborated with talented individuals in the industry, including Enrique M Stiles and Gregory Hurst Kisor. These partnerships have likely enriched his work and led to further advancements in his projects.

Conclusion

Richard C Calderwood is a distinguished inventor whose work in audio technology and digital imaging continues to influence the industry. His innovative patents demonstrate his commitment to enhancing user experience through technology.