BE679417A - - Google Patents
Info
- Publication number
- BE679417A BE679417A BE679417DA BE679417A BE 679417 A BE679417 A BE 679417A BE 679417D A BE679417D A BE 679417DA BE 679417 A BE679417 A BE 679417A
- Authority
- BE
- Belgium
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or trackmounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or trackmounted scotch-blocks using electrical transmission
- B61L7/067—Supply for electric safety arrangements
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- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR15810A FR1448076A (fr) | 1965-05-05 | 1965-05-05 | Dispositif à seuil sensible à un niveau de tension |
Publications (1)
Publication Number | Publication Date |
---|---|
BE679417A true BE679417A (ja) | 1966-09-16 |
Family
ID=8577991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE679417D BE679417A (ja) | 1965-05-05 | 1966-04-13 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE679417A (ja) |
FR (1) | FR1448076A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3720872A (en) * | 1970-09-04 | 1973-03-13 | Taft Electrosyst Inc | Power transmission fault indicator with automatic reset means |
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1965
- 1965-05-05 FR FR15810A patent/FR1448076A/fr not_active Expired
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1966
- 1966-04-13 BE BE679417D patent/BE679417A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR1448076A (fr) | 1966-08-05 |