H01J61/56- One or more circuit elements structurally associated with the lamp.G07C3/08- Registering or indicating the production of the machine either with or without registering working or idle time.G07C3/00- Registering or indicating the condition or the working of machines or other apparatus, other than vehicles.G07C- TIME OR ATTENDANCE REGISTERS REGISTERING OR INDICATING THE WORKING OF MACHINES GENERATING RANDOM NUMBERS VOTING OR LOTTERY APPARATUS ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE.G01N21/3103- Atomic absorption analysis.G01N21/31- Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g.comparison of effect of material on the light at two or more different wavelengths or wavelength bands G01N21/25- Colour Spectral properties, i.e.G01N21/17- Systems in which incident light is modified in accordance with the properties of the material investigated.using sub-millimetre waves, infrared, visible or ultraviolet light G01N21/00- Investigating or analysing materials by the use of optical means, i.e.G01N- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES.H01J61/78- Lamps with low-pressure unconstricted discharge having a cold pressure H01J61/76- Lamps with low-pressure unconstricted discharge having a cold pressure H01J61/70- Lamps with low-pressure unconstricted discharge having a cold pressure H01J61/00- Gas-discharge or vapour-discharge lamps.H01J- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS.Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Assignors: PERKINELMER HEALTH SCIENCES INC. LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARRASCO, Sunita, HAGER, DAVID Publication of US20120169237A1 publication Critical patent/US20120169237A1/en Application granted granted Critical Publication of US8575855B2 publication Critical patent/US8575855B2/en Assigned to PERKINELMER U.S. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). reassignment PERKINELMER HEALTH SCIENCES, INC. Assignors: YEE, Tack-Boon Assigned to PERKINELMER HEALTH SCIENCES, INC. 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 PerkinElmer Singapore Pte Ltd, PerkinElmer Health Sciences Inc filed Critical PerkinElmer Singapore Pte Ltd Priority to US12/982,749 priority Critical patent/US8575855B2/en Assigned to PERKINELMER SINGAPORE PTE. Original Assignee PerkinElmer Singapore Pte Ltd PerkinElmer Health Sciences Inc 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 or warranty as to the accuracy of the list.) ( en Inventor Sunita Carrasco David Hager Tack-Boon Yee Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/982,749 Other versions US8575855B2 Google Patents Hollow cathode lamp elapsed time recording systemÄownload PDF Info Publication number US20120169237A1 US20120169237A1 US12/982,749 US98274910A US2012169237A1 US 20120169237 A1 US20120169237 A1 US 20120169237A1 US 98274910 A US98274910 A US 98274910A US 2012169237 A1 US2012169237 A1 US 2012169237A1 Authority US United States Prior art keywords hollow cathode cathode lamp hcl usage data Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20120169237A1 - Hollow cathode lamp elapsed time recording system US20120169237A1 - Hollow cathode lamp elapsed time recording system
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