Those circuits use a potentiometer for adjusting the delay period. H03K3/023- Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedbackĪdjustable time delay circuits are well-known in the art.H03K3/02- Generators characterised by the type of circuit or by the means used for producing pulses.H03K3/00- Circuits for generating electric pulses Monostable, bistable or multistable circuits.H03K17/28- Modifications for introducing a time delay before switching.H03K17/00- Electronic switching or gating, i.e.238000006011 modification reaction Methods 0.000 description 1.150000004706 metal oxides Chemical class 0.000 description 1.229910044991 metal oxide Inorganic materials 0.000 description 1.238000010277 constant-current charging Methods 0.000 description 1.238000004519 manufacturing process Methods 0.000 description 3.
230000001276 controlling effect Effects 0.000 description 3.238000003199 nucleic acid amplification method Methods 0.000 description 4.230000002441 reversible Effects 0.000 claims description 4.230000000875 corresponding Effects 0.000 claims description 8.Application granted granted Critical Publication of US5075642A publication Critical patent/US5075642A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links OF DE reassignment POTTER & BRUMFIELD, INC., A CORP.
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 Potter and Brumfield Inc filed Critical Potter and Brumfield Inc Priority to US07/565,545 priority Critical patent/US5075642A/en Assigned to POTTER & BRUMFIELD, INC., A CORP. Original Assignee Potter and Brumfield 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.) Learned 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.) Expired - Fee Related Application number US07/565,545 Inventor Edward B.
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Google Patents US5075642A - Oscillator circuitĭownload PDF Info Publication number US5075642A US5075642A US07/565,545 US56554590A US5075642A US 5075642 A US5075642 A US 5075642A US 56554590 A US56554590 A US 56554590A US 5075642 A US5075642 A US 5075642A Authority US United States Prior art keywords voltage signal resistor output time delay Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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