CA1096465A - Generateur d'ondes pulsees - Google Patents

Generateur d'ondes pulsees

Info

Publication number
CA1096465A
CA1096465A CA288,449A CA288449A CA1096465A CA 1096465 A CA1096465 A CA 1096465A CA 288449 A CA288449 A CA 288449A CA 1096465 A CA1096465 A CA 1096465A
Authority
CA
Canada
Prior art keywords
pulse
pulses
rate
output
clock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA288,449A
Other languages
English (en)
Inventor
Arnold Schwartz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Applied Biosystems Inc
Original Assignee
Perkin Elmer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/772,223 external-priority patent/US4084246A/en
Application filed by Perkin Elmer Corp filed Critical Perkin Elmer Corp
Application granted granted Critical
Publication of CA1096465A publication Critical patent/CA1096465A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/326—Control of physical parameters of the fluid carrier of pressure or speed pumps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Stepping Motors (AREA)
  • Feedback Control In General (AREA)
CA288,449A 1976-10-18 1977-10-11 Generateur d'ondes pulsees Expired CA1096465A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US73371376A 1976-10-18 1976-10-18
US733,713 1976-10-18
US772,223 1977-02-25
US05/772,223 US4084246A (en) 1976-10-18 1977-02-25 Pulse generator

Publications (1)

Publication Number Publication Date
CA1096465A true CA1096465A (fr) 1981-02-24

Family

ID=27112615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288,449A Expired CA1096465A (fr) 1976-10-18 1977-10-11 Generateur d'ondes pulsees

Country Status (3)

Country Link
JP (1) JPS5360153A (fr)
CA (1) CA1096465A (fr)
DE (1) DE2746520A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461126A1 (fr) * 1978-12-15 1981-01-30 Gilson Medical Electronic Fran Pompe a piston a debit reglable precisement
DE2909018C3 (de) * 1979-03-08 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Frequenzwandler
US4333356A (en) 1979-04-27 1982-06-08 Ciba-Geigy Corporation Mixing apparatus
JPS589627A (ja) * 1981-07-10 1983-01-20 山根　久仁男 動物の声公害防止方法及び声帯リング
EP0084070B1 (fr) * 1982-01-15 1987-06-16 Polaroid Corporation Système de pompage à égalisation de pression
JPH0617764B2 (ja) * 1983-12-22 1994-03-09 東芝機械株式会社 パルス発生回路
JPH0664033B2 (ja) * 1984-04-28 1994-08-22 株式会社島津製作所 高圧混合型グラジエント溶出装置
JPS62103716A (ja) * 1985-10-30 1987-05-14 Omron Tateisi Electronics Co 複数液連続計量吐出装置

Also Published As

Publication number Publication date
DE2746520A1 (de) 1978-04-20
JPS5360153A (en) 1978-05-30

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19980224