GB1406575A - Particle detection apparatus - Google Patents

Particle detection apparatus

Info

Publication number
GB1406575A
GB1406575A GB5064373A GB5064373A GB1406575A GB 1406575 A GB1406575 A GB 1406575A GB 5064373 A GB5064373 A GB 5064373A GB 5064373 A GB5064373 A GB 5064373A GB 1406575 A GB1406575 A GB 1406575A
Authority
GB
United Kingdom
Prior art keywords
pulse
shift register
scan
register
pulses
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
GB5064373A
Other languages
English (en)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1406575A publication Critical patent/GB1406575A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB5064373A 1972-11-01 1973-10-31 Particle detection apparatus Expired GB1406575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US302810A US3867613A (en) 1972-11-01 1972-11-01 Particle counting apparatus

Publications (1)

Publication Number Publication Date
GB1406575A true GB1406575A (en) 1975-09-17

Family

ID=23169301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5064373A Expired GB1406575A (en) 1972-11-01 1973-10-31 Particle detection apparatus

Country Status (8)

Country Link
US (1) US3867613A (enrdf_load_stackoverflow)
JP (1) JPS4978585A (enrdf_load_stackoverflow)
AU (1) AU470830B2 (enrdf_load_stackoverflow)
CA (1) CA996770A (enrdf_load_stackoverflow)
FR (1) FR2204839A1 (enrdf_load_stackoverflow)
GB (1) GB1406575A (enrdf_load_stackoverflow)
IT (1) IT994477B (enrdf_load_stackoverflow)
NL (1) NL7314406A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112015001770B4 (de) 2014-04-11 2024-10-10 Micromass Uk Limited Verfahren zum Betreiben einer lonenmobilitätstrennvorrichtung und Ionenmobilitätstrennvorrichtung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978324A (en) * 1975-02-04 1976-08-31 Hawker Siddeley Dynamics Limited Automatic crop inventory system
US4207001A (en) * 1976-05-24 1980-06-10 The University Of Queensland Particle size analyzer
US4181130A (en) * 1977-11-04 1980-01-01 Ivac Corporation Drop discriminator system
JPH01296974A (ja) * 1988-05-23 1989-11-30 Toyo Jozo Co Ltd コロニー計数装置
US7039823B2 (en) * 2002-04-26 2006-05-02 Texas Instruments Incorporated On-chip reset circuitry and method
US7109475B1 (en) * 2005-04-28 2006-09-19 Thermo Finnigan Llc Leading edge/trailing edge TOF detection
DE102006021487B3 (de) * 2006-05-05 2007-09-06 Parsum Gmbh Verfahren und Vorrichtung zur Bestimmung der in einem Partikelstrom enthaltenen Partikel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB778288A (en) * 1954-05-28 1957-07-03 Cinema Television Ltd Improvements in or relating to the electronic counting of objects
US2948470A (en) * 1957-03-15 1960-08-09 Du Mont Allen B Lab Inc Particle counter
DE1084059B (de) * 1957-05-17 1960-06-23 Philips Nv Vorrichtung zur Teilchenzaehlung
US3178688A (en) * 1962-12-20 1965-04-13 Control Data Corp Character recognition by feature selection
US3437394A (en) * 1966-07-26 1969-04-08 Nasa Electromagnetic mirror drive system
US3557352A (en) * 1967-11-01 1971-01-19 Coulter Electronics Apparatus and method for measuring a dividing particle size of a particulate system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112015001770B4 (de) 2014-04-11 2024-10-10 Micromass Uk Limited Verfahren zum Betreiben einer lonenmobilitätstrennvorrichtung und Ionenmobilitätstrennvorrichtung

Also Published As

Publication number Publication date
IT994477B (it) 1975-10-20
AU470830B2 (en) 1976-04-01
FR2204839A1 (enrdf_load_stackoverflow) 1974-05-24
CA996770A (en) 1976-09-14
AU6204973A (en) 1975-05-01
DE2355119B2 (de) 1977-01-27
NL7314406A (enrdf_load_stackoverflow) 1974-05-03
US3867613A (en) 1975-02-18
JPS4978585A (enrdf_load_stackoverflow) 1974-07-29
DE2355119A1 (de) 1974-05-22

Similar Documents

Publication Publication Date Title
ES452170A1 (es) Una disposicion de circuito para la sincronizacion de lineasen un receptor de television.
US4242639A (en) Digital phase lock circuit
GB1406575A (en) Particle detection apparatus
DE69220592D1 (de) Impulsgenerator
JPS5677960A (en) Generating circuit of counter clock signal for tape counter
US3204144A (en) Oscilloscope control circuitry
US4591910A (en) Horizontal picture centering
NO892151L (no) Synkroniseringsmetode.
US3828262A (en) Device for the automatic adjustment of the amplitude of signals
US2694146A (en) Pulse analyzer
US2794979A (en) Means for detecting improper sky wave synchronization
DE69613282D1 (de) Vorrichtung zur ableitung eines taktsignals aus einem synchronsignal und videoaufzeichnungsgerät ausgestattet mit der vorrichtung
US3566034A (en) Phasing and syncronizing circuit means for use in facsimile systems or the like
US3555185A (en) Synchronizing pulse comparator circuitry
US2535266A (en) Blanking pulse generating circuit
US3323053A (en) Digital output phase meter
CA1185341A (en) Image blanking circuit for line follower
US3693102A (en) Digital oscillator having a fast response using two one-shot multivibrators and a pair of nand gates
US6333651B1 (en) Second order digital jitter attenuator
US3804992A (en) Digital time sampling phase comparator with noise rejection
SU1626247A1 (ru) Измеритель длительности переходного процесса
US3312908A (en) Device for superregulation of an amplifier-discriminator circuit
US3497121A (en) Register control systems
GB1092443A (en) Improvements in or relating to a sweep control system for an oscilloscope or the like
GB1535513A (en) Periodic waveform voltage level detecting apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee