Darrell A Smith

US Patent:

45792160, Apr 1, 1986

Filed:

Sep 17, 1984

Appl. No.:

6/651709

Inventors:

Bruce H. DeWoolfson - Arlington VA
Darrell J. Smith - Arlington VA

Assignee:

Environmental Products Company - McLean VA

International Classification:

G07F 706

US Classification:

194212

Abstract:

The method of redeeming returnable containers includes a plurality of remotely-located machines receiving returnable containers and storing information about the numbers of such containers received according to different values of an identifying parameter. A central coordination facility accesses the stored information and determines how many returned containers the different facilities have collected, and ensures that all parties are properly reimbursed.

US Patent:

58418300, Nov 24, 1998

Filed:

Feb 19, 1997

Appl. No.:

8/802618

Inventors:

John J. Barni - Mayfield Village OH
Kenneth L. Freeman - Stow OH
Gary A. Kaufmann - Hinckley OH
Darrell M. Smith - Cleveland Heights OH

Assignee:

Picker International, Inc. - Highland Heights OH

International Classification:

A61B 603

US Classification:

378 15

Abstract:

A radiation source which generates a radiation cone-beam (14) and a two-dimensional radiation detector are spiralled continuously around and longitudinally relative to an imaging volume. Image data from the two-dimensional display is reconstructed (30. sub. 1, 30. sub. 2,. . . 30. sub. n) into a volumetric, physiological image stored in a subject memory (32). During an interventional surgical procedure with a surgical instrument (42), the x-ray source is gated to operate intermittently, e. g. , at 60. degree. angular intervals, at a reduced radiation intensity by an x-ray tube control (40). The additional data is reconstructed into a three-dimensional image representation of the surgical instrument and stored in an instrument memory (34). An operator image selection processor (60) causes data retrieval circuits (62a, 62b) to retrieve like slices or other image representations from the subject and instrument memories. The retrieved data is combined (64) such that a resultant human-readable display (68) shows the instrument superimposed on the anatomical image.