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Matches 901 - 950 out of 1,374

Document Document Title
JPS644205Y2  
JPS644204Y2  
JPS644203Y2  
JPS644201Y2  
JPS644202Y2  
JPS645648B2  
JPS646535U  
JPS63189332U  
JPS63264833A
PURPOSE: To prevent the erroneous detection by receiving the signal wave-form caused by the electric discharge occurring in the fixed region and obtained by an antenna as one wave-form and counting the number of them to judge the defecti...  
JPS6349845B2  
JPS6348014B2
The operating range of an ionization tube vacuum gauge is increased by applying at least two different bias voltages to the tube and measuring ion current for the two bias voltages. The ratio of the ion currents indicates vacuum pressure...  
JPS63141439U  
JPS6345052B2  
JPS63135141U  
JPS6330987Y2  
JPS63198840A
PURPOSE:To improve a measurement limit by arranging an ion collector inside an anode approximately in a dot shape and also arranging a hot cathode outside the anode. CONSTITUTION:Two wire gauge materials are molded in a bowl shape of 24m...  
JPS63188732A
PURPOSE:To measure the degree of vacuum of a flat matrix CRT with high accuracy by providing a power source which supplies an electron flow to between the cathode electrode and other electrodes of the flat matrix CRT and a current detect...  
JPS63176694A
PURPOSE: To eliminate the necessity for providing a vacuum gage, by obtaining a degree of vacuum in a turbo molecular pump from a phase difference between a current and voltage in an induction motor, which drives a rotor, to be displayed...  
JPS6324422Y2  
JPS63151834A
PURPOSE:To prevent the sudden lowering in the vacuum degree or contamination within a chamber due to the sudden discharge of gas, by allowing a vacuum gauge to automatically pass a reset state in a process altering a measuring state and ...  
JPS6322505Y2  
JPS63145935A
PURPOSE:To measure pressure in a vacuum atmosphere regardless of the composition ratio of a gas contained therein, by connecting a vacuum chamber to a gas inlet of a compressor with the compression ratio confirmed for various gases and a...  
JPS63145934A
PURPOSE:To enable measurement of pressure in an extra-high vacuum area, by connecting a vacuum chamber to a gas inlet of a compressor and an extra- high vacuum meter to a gas outlet thereof. CONSTITUTION:When pressure at a gas inlet 15 o...  
JPS63145936A
PURPOSE:To enable precise measurement, by connecting a vacuum chamber to a gas inlet of a compressor while an extra-high vacuum meter is connected to a gas outlet thereof to make the compressor reversible so that exhaustion inside a vacu...  
JPS63115025A
PURPOSE:To measure the gas pressure in a cathode-ray tube while the cathode- ray tube is in operation and to improve the measurement sensitivity by fitting an ion collector for the in-tube gas to a funnel part. CONSTITUTION:The ion colle...  
JPS63113332A
PURPOSE:To measure an atmospheric pressure accurately, by measuring the atmospheric pressure depending on changes in the drag of gas molecules acting on a planar vibrator to prevent any aging in the detection value. CONSTITUTION:When a v...  
JPS6322249B2  
JPS6310773B2  
JPS6335936U  
JPS6323629U  
JPS6241233Y2  
JPS62161756U  
JPS62218834A
PURPOSE: To measure pressure consistently from atmospheric pressure to superhigh vacuum area with a small single type apparatus, by carrying a mechanical vibrator type manometer and an ionization type manometer on a single flange while a...  
JPS62211534A
PURPOSE: To improve the reliability and to realize sufficiently practical use in terms of economy by providing a gas concentration switch with plural operation set values which differ stepwise and monitoring the operation time between re...  
JPS6239371B2  
JPS62185139A
PURPOSE: To enable the monitoring of vacuum free from effecting influence on shut down performance by the start of discharge within a discharge tube, by connecting a discharge tube which starts a discharge at a higher vacuum than that wi...  
JPS62182636A
PURPOSE: To extremely reduce a measuring error due to the change in the temp. of a diaphragm type vacuum gauge, by covering a gauge frame body with a shield frame body through a vacuum space. CONSTITUTION: A gauge frame body 1 is covered...  
JPS62144037A
PURPOSE: To achieve a higher impact resistance, by providing a protective circuit adapted to protect a vibrating circuit from abnormally high voltage and large current by discharging between a vibrating electrode and the vibrating circui...  
JPS62137533A
PURPOSE: To enable the measurement of vacuum pressure of 102W1-5Torr, by providing a driving means of a vibration body and a means of detecting the position thereof on a vibration plate of tuning fork type vibrator comprising a parallel ...  
JPS6295732U  
JPS62129730A
A measuring head for a vacuum gauge. An essentially cylindrical housing encloses a measuring cell which is sealed in a vacuum tight manner against the surrounding atmosphere and is connectable with an evacuatable cavity. A measuring fila...  
JPS6282561U  
JPS6262945U  
JPS6253331U  
JPS6251252U  
JPS6249743U  
JPS6243436U  
JPS6249232A
PURPOSE: To enable the measurement of vacuum of a vacuum working chamber even during the bleeding of a gas from an ion collector, by arranging an introduction bar connected to a current introducing section outside the vacuum at both ends...  
JPS6243530A
PURPOSE: To positively detect the lowering of a vacuum degree and to enable the detection at a point in time while the vacuum degree is still high, by detecting discharge light at the time of discharge in a first vacuum gap with the ligh...  
JPS6220344U  

Matches 901 - 950 out of 1,374