DE3689986D1 - Überwachungsschaltung für niedrige Spannungen. - Google Patents
Überwachungsschaltung für niedrige Spannungen.Info
- Publication number
- DE3689986D1 DE3689986D1 DE3689986T DE3689986T DE3689986D1 DE 3689986 D1 DE3689986 D1 DE 3689986D1 DE 3689986 T DE3689986 T DE 3689986T DE 3689986 T DE3689986 T DE 3689986T DE 3689986 D1 DE3689986 D1 DE 3689986D1
- Authority
- DE
- Germany
- Prior art keywords
- low voltage
- monitoring circuit
- voltage monitoring
- circuit
- low
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/571—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overvoltage detector
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/710,798 US4746818A (en) | 1985-03-12 | 1985-03-12 | Circuit for maintaining the state of an output despite changes in the state of input |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3689986D1 true DE3689986D1 (de) | 1994-09-01 |
DE3689986T2 DE3689986T2 (de) | 1995-01-12 |
Family
ID=24855585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3689986T Expired - Fee Related DE3689986T2 (de) | 1985-03-12 | 1986-03-12 | Überwachungsschaltung für niedrige Spannungen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4746818A (de) |
EP (1) | EP0195358B1 (de) |
JP (1) | JPS61257016A (de) |
CA (1) | CA1296057C (de) |
DE (1) | DE3689986T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998203A (en) * | 1985-03-12 | 1991-03-05 | Digiulio Peter C | Postage meter with a non-volatile memory security circuit |
US5107507A (en) * | 1988-05-26 | 1992-04-21 | International Business Machines | Bidirectional buffer with latch and parity capability |
US5173619A (en) * | 1988-05-26 | 1992-12-22 | International Business Machines Corporation | Bidirectional buffer with latch and parity capability |
US5121327A (en) * | 1989-10-18 | 1992-06-09 | Pitney Bowes Inc. | Microcomputer-controlled electronic postage meter having print wheels set by separate d.c. motors |
US5019720A (en) * | 1990-03-12 | 1991-05-28 | Ncr Corporation | Integrated circuit driver for serial bus having output overvoltage protection |
US5132564A (en) * | 1990-07-27 | 1992-07-21 | North American Philips Corp. | Bus driver circuit with low on-chip dissipation and/or pre-biasing of output terminal during live insertion |
US5894176A (en) * | 1991-06-14 | 1999-04-13 | Integrated Device Technology, Inc. | Flexible reset scheme supporting normal system operation, test and emulation modes |
FR2674633B1 (fr) * | 1991-03-28 | 1995-06-23 | Sgs Thomson Microelectronics | Circuit de detection d'un seuil haut d'une tension d'alimentation. |
US5634000A (en) * | 1991-07-31 | 1997-05-27 | Ascom Autelca Ag | Power-fail return loop |
US5276844A (en) * | 1991-08-05 | 1994-01-04 | Ascom Autelca Ltd. | Protection system for critical memory information |
FR2699755B1 (fr) * | 1992-12-22 | 1995-03-10 | Sgs Thomson Microelectronics | Circuit de démarrage et de sécurité contre les coupures d'alimentation, pour circuit intégré. |
US5500611A (en) * | 1994-09-30 | 1996-03-19 | Cirrus Logic, Inc. | Integrated circuit with input/output pad having pullup or pulldown |
US5712542A (en) * | 1995-05-25 | 1998-01-27 | Ascom Hasler Mailing Systems Ag | Postage meter with improved handling of power failure |
US5633603A (en) * | 1995-12-26 | 1997-05-27 | Hyundai Electronics Industries Co., Ltd. | Data output buffer using pass transistors biased with a reference voltage and a precharged data input |
US5941987A (en) * | 1996-12-24 | 1999-08-24 | Intel Corporation | Reference cell for integrated circuit security |
TWI504610B (zh) * | 2009-02-04 | 2015-10-21 | Novacta Biosystems Ltd | 阿肽加定衍生物、其製備方法及其用途 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56122132U (de) * | 1980-02-18 | 1981-09-17 | ||
US4380709A (en) * | 1980-05-15 | 1983-04-19 | Motorola, Inc. | Switched-supply three-state circuit |
JPS5856286B2 (ja) * | 1980-12-25 | 1983-12-14 | 富士通株式会社 | 出力バッファ回路 |
US4425517A (en) * | 1981-03-31 | 1984-01-10 | Rca Corporation | Fail soft tri-state logic circuit |
JPS5894233A (ja) * | 1981-11-30 | 1983-06-04 | Fujitsu Ltd | Ttl論理回路 |
US4446381A (en) * | 1982-04-22 | 1984-05-01 | Zilog, Inc. | Circuit and technique for initializing the state of bistable elements in an integrated electronic circuit |
JPS6110319A (ja) * | 1984-05-30 | 1986-01-17 | Fujitsu Ltd | 出力制御回路 |
-
1985
- 1985-03-12 US US06/710,798 patent/US4746818A/en not_active Expired - Lifetime
-
1986
- 1986-03-11 CA CA000503784A patent/CA1296057C/en not_active Expired - Fee Related
- 1986-03-12 DE DE3689986T patent/DE3689986T2/de not_active Expired - Fee Related
- 1986-03-12 JP JP61054564A patent/JPS61257016A/ja active Pending
- 1986-03-12 EP EP86103284A patent/EP0195358B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS61257016A (ja) | 1986-11-14 |
EP0195358A3 (en) | 1989-06-07 |
DE3689986T2 (de) | 1995-01-12 |
EP0195358A2 (de) | 1986-09-24 |
CA1296057C (en) | 1992-02-18 |
EP0195358B1 (de) | 1994-07-27 |
US4746818A (en) | 1988-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |