This inventor holds 2 USPTO granted patents. Top assignees: Giganet, Inc., Other. Active years: 1992-1999.
Company Filing History:
1 out of 4 
1 out of 834,453 Years Active: 1992-1999
Title: The Innovations of Philip Greenspun
Introduction
Philip Greenspun is an accomplished inventor based in Melrose, MA (US). He holds two patents that showcase his innovative contributions to technology and engineering. His work reflects a commitment to enhancing efficiency and functionality in various applications.
Latest Patents
One of Greenspun's latest patents is the "Integrated Civil Engineering and Earthmoving System." This invention utilizes a positioning system, such as GPS, to track the location of an earthmover on a work site. A display device visible to the driver shows the difference between the existing surface contour and the desired surface contour. The display can present a three-dimensional image or a two-dimensional image with a rotating cursor representing the earthmover. Additionally, a blade sensor tracks the position of the earthmover blade, updating the display to reflect changes in the surface contour as the earthmover operates. The system also includes an orientation sensor and a memory unit for storing and retrieving surface data, integrating various functions such as utility line avoidance and hydrology analysis.
Another significant patent is the "Method and Apparatus for Automatic Recording of Marker During Playback." This invention allows for multiple selections recorded on CDs to be re-recorded on a video or digital audio medium, along with automatic recording of markers. These markers help locate the re-recorded selections during playback, enhancing the user experience with consumer electronic equipment.
Career Highlights
Throughout his career, Philip Greenspun has made notable contributions to the fields of civil engineering and audio technology. His innovative spirit has led to advancements that improve operational efficiency and user interaction with technology.
Collaborations
Greenspun has worked with various companies, including Giganet, Inc. His collaborations have furthered the development of his inventions and expanded their applications in the industry.
Conclusion
Philip Greenspun's work exemplifies the spirit of innovation in engineering and technology. His patents reflect a deep understanding of practical applications and user needs, making significant contributions to his fields of expertise.