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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 4398217 | Method of and arrangement for digitizing a time-discrete video signal using a picture transform coding A method of and arrangement for digitizing a video signal using a picture transform coding, wherein a group of N video signal samples is converted into a group of N coefficients y(m) wherein m=1, 2, 3, . . . N which are each adaptively encoded. In order t... | 08/09/1983 |
| 4261043 | Coefficient extrapolator for the Haar, Walsh, and Hadamard domains In a data compression system utilizing the Haar, Walsh or Hadamard transformation, a machine which operates in the transform domain to obtain approximations to the higher order transform coefficients by means of extrapolation from lower order transform co... | 04/07/1981 |
| 4242733 | Image spot detector using Haar coefficients A machine for detecting image spots in two-dimensional images. The machine transforms two-dimensional images by means of the Haar transform into the two-dimensional Haar transform domain and calculates a "double difference" between each Haar transform coe... | 12/30/1980 |
| 4242734 | Image corner detector using Haar coefficients A machine for detecting image corners in two-dimensional images. The machine transforms two-dimensional images by means of the Haar transform into the two-dimensional Haar transform domain. Certain of the Haar transform coefficients, which are sensitive t... | 12/30/1980 |
