Research on the United States a major breakthrough in CMOS

Research on the United States a major breakthrough in CMOS: Sony laptop batterya hundred times to enhance the dynamic range, a battery can be used year

Rochester, New York University Professor of Electrical and Computer Engineering Assistant Professor Mark Bocko ibm thinkpad t40 battery, ibm thinkpad t40p battery, ibm thinkpad t41 battery and Zeljko Ignjatovic developed a prototype of a new CMOS chip, it is:

1, the CMOS integration on the location of each pixel over-sampling of a “sigma-delta” analog, reducing the number of transistors per pixel to use only three transistors to retain nearly half of the pixel area for light.PCGA-BP2V Battery, PCGA-BP4V Battery, PCGA-BP71 Battery, This design effectively save energy consumption, and allows dynamic range than existing technologies to upgrade the 100 times!

2, the use of feedback rechargeable design, not only increased the total number of valid sensor lighting area, but also the size of transistors on a chip rather than to narrow the loss of performance, will result in a small area of the chip to achieve high resolution. Due to small size, VGP-BPL2 Battery,the sampling speed of the incident light will be higher sampling frequency and sampling accuracy.

3, has changed the traditional form of CMOS array and a corresponding “Focal Plane Image Compression (focal plane image compression)” algorithm, image compression makes the traditional way of computing the volume of only 1 / 100.

4, extremely energy-saving, a battery can be used for several years.

Progress in the next camera has become a reality at the University of Rochester. Image chip caused by the industrial revolution in photography, and the chip itself, now will face a revolution. There are two new patented technologies may soon images will make a huge chip power consumption only a fraction of the use of energy today and capture better images - these will be made to reduce the size of the camera to the size of shirt buttons, a battery can only run for several years. They can be safe in the event of alarm by wireless means to the image provided to the security company and, worse, as Google can make such a map in real-time software to enlarge the image to the street level. Huge energy cost savings and enhanced computing power,PCGA-BP71 Battery, will also enjoy video telephony vespae time is drawing near.

By the Electrical and Computer Engineering Professor Bocko,PCGA-BP2V Battery, PCGA-BP4V Battery, PCGA-BP71 Battery, Electrical and Computer Engineering Assistant Professor Ignjatovic team has designed a prototype chip, each pixel in the image of statistics, they are now with the second technical integrated together, which will use far less than the best compression technology available computing capacity.

“The two technologies will be used together or separately, thereby greatly reducing the number of images to capture the energy consumption”, Bocko said. “The first technology will lead to the evolution of current technology, the second technique may prove to be revolutionary because it is a new method of image capture.”

The first CMOS sensor in each pixel location, integrates a “sigma-delta” over-sampling ADCs. In the past, the need for pixel-level conversion too many transistors,PCGA-BP4V Battery, making the rest of the lighting is so small, and in the new design, each pixel using only three transistors to retain nearly half of the pixel area for light. On-chip test shows that in the video at 30 frames per second rate, per pixel consumes only 0.88 watts ng only the best available products in the industry 1 / 50. In the dynamic range of the new chip also played traditional chips (dynamic range refers to the brightest can be recorded and the difference between the brightness of the dark). Existing CMOS sensors can record the maximum brightness of the faintest identifiable brightness ibm thinkpad t41p battery, ibm thinkpad t42 battery, ibm thinkpad t42p battery of 1,000 times, that is, the dynamic range of 1:1000, and Technical University of Rochester has proven its dynamic range up to 1:100,000.

The traditional image sensor photodiode detection using a series of incident light, while the Department is located in each of the transistor photodiode signal amplification and transmission to the diode array is located in an external module - the number of converters.PCGA-BP2V Battery, PCGA-BP4V Battery, PCGA-BP71 Battery, The design also can be converted in situ pixel location signal, but the need for high precision transistors, and each pixel in the Department to occupy considerable space, resulting in a dedicated light receiving surface area of the chip was reduced. PCGA-BP2V Battery,The new design not only in each pixel by using a smaller transistors, which can be detected more light, and as a result of advances in semiconductor process allows to reduce transistor size, which can be reduced without reducing the size of the transistor performance sensors. This means that can develop a higher density, higher resolution chip and will not experience the design of the existing sensors to those problems. After the size of transistors faster, get a higher sampling frequency and accuracy of incident light.