GB227832A - Improvements in apparatus for indicating alternating or intermittent currents or fields - Google Patents
Improvements in apparatus for indicating alternating or intermittent currents or fieldsInfo
- Publication number
- GB227832A GB227832A GB956/25A GB95625A GB227832A GB 227832 A GB227832 A GB 227832A GB 956/25 A GB956/25 A GB 956/25A GB 95625 A GB95625 A GB 95625A GB 227832 A GB227832 A GB 227832A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- electrodes
- electrode
- fields
- conductors
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Locating Faults (AREA)
Abstract
227,832. Fernbrugg, B. Fiala-, and Wohl, V. H. Jan. 18, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Drawings to Specification. Current and electrification detectors; locating conductors.-An apparatus for indicating high or low frequency alternating or intermittent currents or fields consists of a glass, quartz, or like tube filled with a mixture of gases containing a noble gas under a pressure of between 1 and 15 mm. of mercury, preferably 5 mm. The tube may be provided with an electrode or with two electrodes one at each end, the electrodes being either sealed into the tube or applied to the outside thereof. One electrode may be earthed through a condenser. The gas filling may be neon, with a small addition of xenon, krypton, argon, helium, or hydrogen. The apparatus may be used as a safety device, a signalling device, or a detector for finding hidden cables or. conductors.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT227832X | 1924-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB227832A true GB227832A (en) | 1925-10-22 |
Family
ID=3669902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB956/25A Expired GB227832A (en) | 1924-01-18 | 1925-01-12 | Improvements in apparatus for indicating alternating or intermittent currents or fields |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB227832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2559426A (en) * | 1948-07-31 | 1951-07-03 | Cook Electric Co | Arrester |
-
1925
- 1925-01-12 GB GB956/25A patent/GB227832A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2559426A (en) * | 1948-07-31 | 1951-07-03 | Cook Electric Co | Arrester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES474610A1 (en) | Ultraviolet generating device comprising discharge tube joined to two tubular envelopes | |
| GB1144940A (en) | Vacuum device gas measurement apparatus and method | |
| GB227832A (en) | Improvements in apparatus for indicating alternating or intermittent currents or fields | |
| US2436084A (en) | Ionization chamber | |
| US4021727A (en) | Method of an device for non-destructive pressure measurement of fluorescent lamps | |
| Yeung et al. | An RF probe technique for the measurement of plasma electron concentrations in the presence of negative ions | |
| Nolan et al. | Size, mobility and charge of multiply charged ions | |
| McCallum et al. | XXV. Deviations from Paschen's law | |
| US3360677A (en) | Linear accelerometers utilizing a displaceable electron beam | |
| Cooper et al. | Ionization current measurements and the energy required to form an ion pair in γ-ray irradiated gases | |
| GB698452A (en) | Improvements in electrical discharge lamps | |
| GB476836A (en) | Improvements in or relating to electric discharge devices having an inner envelope and an outer jacket capped at one end | |
| GB259193A (en) | Electrode for the combined therapeutic application of high-frequency currents and ofultra-violet radiation | |
| US2470920A (en) | Electron counter | |
| Kenty | Photoelectric and Metastable Atom Emission of Electrons from Surfaces in the Rare Gases | |
| GB349294A (en) | Improvements in or relating to electric discharge devices for producing ultra violet rays | |
| US2965780A (en) | Proportional counter | |
| Brazier et al. | The effect of pressure on the radiation-induced conductance of liquid hydrocarbons | |
| FR2386874A1 (en) | IONIZATION SMOKE DETECTOR ASSOCIATED WITH AN ELECTRONIC VELOCIMETRIC MEASUREMENT CIRCUIT | |
| JPS52133262A (en) | Method of measuring gas current in vacuum tube | |
| Loeb | The Mobility of Gaseous Ions in HCl Gas and HCl Air Mixtures | |
| GB1252838A (en) | ||
| Mittelstadt et al. | Application of the Cataphoresis Effect in the Preparation of Gas Filled Tubes | |
| Kulkarni et al. | BROAD BAND PULSE DETECTION STUDIES OF CORONA AND BREAKDOWN IN AIR, N2, O2, CO2, SF6 AND SF6-N2 MIXTURES | |
| US2833951A (en) | Cold cathode gas-discharge tube |