公开(公告)号：DE2546234A1

公开(公告)日：1976-05-13

申请号：DE2546234

申请日：1975-10-15

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD ,  GINSBERG GUENTER

IPC: G01J3/00 ,  G01N21/25 ,  G01N21/75 ,  G01N21/22 ,  G01N1/00 ,  G01N33/16

公开(公告)号：DE2508781A1

公开(公告)日：1975-09-04

申请号：DE2508781

申请日：1975-02-28

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD ,  DOTY EDWARD NEAL ,  MARINO ANTHONY

IPC: G01N15/12 ,  G06G7/186 ,  H03K3/351 ,  H03K7/06 ,  G01N15/02

Abstract: A speed-up circuit in an apparatus for measuring a dividing particle size of a particulate system operates to give greater weight to the particle size of particles sensed shortly after system initiation as compared to particles sensed a substantial period of time after system initiation. This increases the speed at which the system moves from an initial or reference setting towards the desired particle size above and below which size predetermined fractions of the total mass of the particulate system are respectively included.

公开(公告)号：DE2511554A1

公开(公告)日：1975-09-25

申请号：DE2511554

申请日：1975-03-17

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD

IPC: G01N15/12 ,  G01N15/02

公开(公告)号：DE2509551A1

公开(公告)日：1975-09-25

申请号：DE2509551

申请日：1975-03-05

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD

IPC: G06G7/20

Abstract: Apparatus for electronically determining a power value of fractional or integral type of a given mathematic magnitude represented by an electrical input quantum, including a number of integrators, comparator, and control circuitry, and two switching devices for selecting numerator and denominator figures of the desired power value.

公开(公告)号：DE2439928A1

公开(公告)日：1975-03-06

申请号：DE2439928

申请日：1974-08-20

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD

IPC: G01N15/12 ,  G06G7/18 ,  H03M1/00 ,  G01N15/02 ,  G01R29/24 ,  H03K25/00

公开(公告)号：DE2435691A1

公开(公告)日：1975-02-06

申请号：DE2435691

申请日：1974-07-24

Applicant: COULTER ELECTRONICS

Inventor： FIGUEROA DAVID RICHARD ,  GINSBERG GUENTER

IPC: G01N35/00 ,  G01N35/02 ,  G01N1/00 ,  G01N33/16

Abstract: In an environment where sample origin and test results require correlation, the number of tests per sample is predetermined, yet variable, the samples can step along one path and the test products (aliquots) step along another path with a step ratio dependent upon the number of tests per sample, the sample carrier is subdivided into indicia bearing receivers (one for each sample), and there is established a step count-distance relationship on the one hand between the original position (transfer station) of the sample, the number of tests per sample and a fixed indicator position, and on the other hand between the original position (receiving station) of the aliquot and the testing station; whereby a presettable counter is preset to correspond to the indicia of the sample receiver in the fixed indicator position at the time of start-up and then will automatically progressively step to attain the indicia value for each sample as its aliquots are being tested and ready for test data printout; the counter feeding the printer the sample indicia at the same time that the printer is printing the test data for that sample.