公开(公告)号：US3647501A

公开(公告)日：1972-03-07

申请号：US3647501D

申请日：1969-12-23

Applicant: IBM

Inventor： BUCKINGHAM ROBERT L ,  HERD HAROLD H

IPC: B05B13/00 ,  B05D1/30 ,  G03C1/74 ,  B44D1/08 ,  B05B1/28

CPC classification number: G03C1/74 ,  Y10S430/136

Abstract: A surface of an object is coated with a uniform thickness of a photographic emulsion. In the coating method, there is utilized an apparatus which comprises a smaller substantially enclosed chamber which communicates at its upper end with a vertical open larger chamber. Jet streams of liquid emulsion droplets and an inert gas are introduced into the smaller chamber. By elutriation, larger droplets fall to the bottom of the smaller chamber and droplets sufficiently small in accordance with Stokes law pass into the larger chamber. Here, those droplets which are small enough according to Stokes law for the larger chamber rise to leave the larger chamber from its open end and droplets having a size large enough to descend according to Stokes law settle on the surface of an object positioned within and at the base of the larger chamber to form the emulsion coating on the surface.

Abstract translation: 物体的表面涂覆有均匀厚度的照相乳剂。 在涂覆方法中，使用了一种装置，其包括较小的基本封闭的室，其在其上端与垂直开放的较大室连通。 将喷射流的液体乳液液滴和惰性气体引入较小的腔室。 通过淘析，较大的液滴落入较小室的底部，并且根据斯托克斯定律通入较大室的液滴足够小。 这里，根据斯托克斯定律足够小的较大腔室的液滴上升，从较大的腔室开始离开较大的腔室，并且具有足够大的尺寸的液滴根据斯托克斯定律下降，定位在位于和内部的物体的表面上 较大室的基部在表面上形成乳剂涂层。

公开(公告)号：US3158080A

公开(公告)日：1964-11-24

申请号：US7867460

申请日：1960-12-27

Applicant: IBM

Inventor： BLAZENSKY JR NICHOLAS J ,  BUCKINGHAM ROBERT L

IPC: G03D5/00

CPC classification number: G03D5/006

公开(公告)号：CA1009756A

公开(公告)日：1977-05-03

申请号：CA182824

申请日：1973-10-09

Applicant: IBM

Inventor： BUCKINGHAM ROBERT L ,  DAVIS JONATHAN B ,  HERD HAROLD H

IPC: G06K7/10 ,  G06T1/00

Abstract: What is disclosed is an optical scanner for reading bar codes. The scanner is designed to be held by hand and moved above and across the bar code which is printed on a suitable record substrate. The scanner is composed of a suitable casing containing lamps in the lower portion thereof which illuminate the bar coded record. The illumination is reflected through a unique aperture in the lower surface of the scanner and directed onto a light sensor arrangement such as a photocell. The code marks are in the form of code bars such as black lines separated by white portions. The code consists of "single" code bars and "double" code bars which are, in one embodiment, twice the width of the "single" bars. The aperture arrangement of the scanner is designed according to a scheme such that the resultant signal from the detection of a single bar will always be a known fraction, such as one-half, the amplitude of the signal produced by the detection of a double bar regardless of the changes in speed at which the hand-held scanner is moved across the bar coded record.

公开(公告)号：DE2228102A1

公开(公告)日：1973-01-18

申请号：DE2228102

申请日：1972-06-09

Applicant: IBM

Inventor： BUCKINGHAM ROBERT L ,  HERD HAROLD H ,  SUN THERESA I

IPC: B01F7/16 ,  B01F13/10 ,  B01F15/02 ,  B01F7/00

Abstract: A gelatin medium is stirred in a three-chamber container which includes a rotating paddle turning at an adjustable constant speed in the lowest one of the chambers. Potassium halide and silver nitrate solutions are added to the other chambers at a constant velocity by an ejecting system driven at an adjustable constant velocity. The ejection system includes syringes which contain the above solutions and which dispense equal volumes of each solution per unit time into a gelatin medium in the container. The container is surrounded by a water jacket maintained at a constant temperature by a heating element controlled by an adjustable thermostat.

公开(公告)号：CA909600A

公开(公告)日：1972-09-12

申请号：CA909600D

Applicant: IBM

Inventor： BUCKINGHAM ROBERT L ,  HERD HAROLD H