Company Filing History:
5 out of 3,645 
1 out of 44 
1 out of 11 Years Active: 1980-2009
Title: Innovations of John Merchant
Introduction
John Merchant is a notable inventor based in Needham, MA (US), recognized for his contributions to advanced imaging technologies. With a total of 7 patents, Merchant has made significant strides in the field of high-resolution imaging and radiation detection.
Latest Patents
One of Merchant's latest patents is a "System and method for high-resolution with a small-format focal-plane array using spatial modulation." This invention provides a system and method for balanced-demodulation procedures that effectively remove image clutter, even in the presence of scene motion. The system employs a chopping reticle located in the intermediate focal plane, where front-end optics focus a high-resolution image. The chopping reticle features a checkerboard pattern of clear and opaque cells and moves at an uneven rate along the x-axis and y-axis. The resulting image is projected onto a focal plane array, from which differences are calculated to generate the desired balanced demodulation value. Additionally, this invention offers a foveal enhancement of the baseline spatial-modulation staring sensor, allowing operators to select a region of interest for high-resolution display.
Another significant patent is the "Multicolor radiation detector method and apparatus," which describes a two-color radiation detector. This device utilizes a dispersive lens with a spectrally selective central obscuration to focus a first radiation band on a central location of the focal plane array. The lens also focuses an annulus of out-of-focus radiation of a second radiation band concentric with the central location. For point target detection, the dispersive lens transmits plume band and guard band radiation to the staring focal plane array sensor, enabling effective target signature detection.
Career Highlights
Throughout his career, John Merchant has worked with prominent companies such as Honeywell GmbH and Aerodyne Research, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Merchant has collaborated with notable individuals in the field, including John B. McCullough and David E. Lees. These partnerships have likely fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
John Merchant's contributions to the fields of imaging and radiation detection are significant, showcasing his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving imaging systems for various applications.