NL7714016A - Alarmstuurketen voor een rookdetector. - Google Patents
Alarmstuurketen voor een rookdetector.Info
- Publication number
- NL7714016A NL7714016A NL7714016A NL7714016A NL7714016A NL 7714016 A NL7714016 A NL 7714016A NL 7714016 A NL7714016 A NL 7714016A NL 7714016 A NL7714016 A NL 7714016A NL 7714016 A NL7714016 A NL 7714016A
- Authority
- NL
- Netherlands
- Prior art keywords
- smoke detector
- alarm control
- control chain
- chain
- alarm
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
- H03K3/288—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the input circuit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- 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
- H03K17/60—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 the devices being bipolar transistors
- H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
- H03K17/661—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals
- H03K17/662—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals each output circuit comprising more than one controlled bipolar transistor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/751,882 US4079271A (en) | 1976-12-17 | 1976-12-17 | Alarm driver for a smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7714016A true NL7714016A (nl) | 1978-06-20 |
Family
ID=25023912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7714016A NL7714016A (nl) | 1976-12-17 | 1977-12-16 | Alarmstuurketen voor een rookdetector. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4079271A (fr) |
| JP (1) | JPS5394800A (fr) |
| AU (1) | AU504991B2 (fr) |
| BE (1) | BE861926A (fr) |
| CA (1) | CA1096450A (fr) |
| DE (1) | DE2755670A1 (fr) |
| FR (1) | FR2374706A1 (fr) |
| GB (1) | GB1587740A (fr) |
| NL (1) | NL7714016A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4496849A (en) * | 1982-02-22 | 1985-01-29 | General Motors Corporation | Power transistor protection from substrate injection |
| US4511809A (en) * | 1983-01-27 | 1985-04-16 | Motorola, Inc. | Switch circuit having improved switching characteristics |
| US5077756A (en) * | 1990-05-31 | 1991-12-31 | Acculan Ltd. | Data network line driver |
| ES2090788T3 (es) * | 1992-07-07 | 1996-10-16 | Siemens Ag | Circuito excitador integrable para una carga reactiva. |
| US5990797A (en) * | 1997-03-04 | 1999-11-23 | Bkk Brands, Inc. | Ultraloud smoke detector |
| US6509838B1 (en) * | 2000-02-08 | 2003-01-21 | Peter P. Payne | Constant current flame ionization circuit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1200362B (de) * | 1960-09-03 | 1965-09-09 | Telefunken Patent | Schaltungsanordnung zur Auswahl eines Verbrauchers |
| US3237125A (en) * | 1962-11-14 | 1966-02-22 | Honeywell Inc | Frequency stabilized saturable core oscillator |
| US3473051A (en) * | 1966-02-08 | 1969-10-14 | Sylvania Electric Prod | Bistable logic circuit |
| US3538353A (en) * | 1967-10-13 | 1970-11-03 | Gen Electric | Switching circuit |
| US3569745A (en) * | 1968-11-06 | 1971-03-09 | Sylvania Electric Prod | Transistor logic circuit |
| US3684983A (en) * | 1970-06-19 | 1972-08-15 | E & M Lab | High speed circulator switch |
| US3770986A (en) * | 1972-04-20 | 1973-11-06 | Hewlett Packard Co | Switching circuit for inductive loads |
-
1976
- 1976-12-17 US US05/751,882 patent/US4079271A/en not_active Expired - Lifetime
-
1977
- 1977-11-25 AU AU30984/77A patent/AU504991B2/en not_active Expired
- 1977-11-25 CA CA291,813A patent/CA1096450A/fr not_active Expired
- 1977-12-14 DE DE19772755670 patent/DE2755670A1/de not_active Withdrawn
- 1977-12-15 FR FR7737803A patent/FR2374706A1/fr active Pending
- 1977-12-16 JP JP15069577A patent/JPS5394800A/ja active Pending
- 1977-12-16 NL NL7714016A patent/NL7714016A/xx not_active Application Discontinuation
- 1977-12-16 GB GB52584/77A patent/GB1587740A/en not_active Expired
- 1977-12-16 BE BE183515A patent/BE861926A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4079271A (en) | 1978-03-14 |
| JPS5394800A (en) | 1978-08-19 |
| GB1587740A (en) | 1981-04-08 |
| FR2374706A1 (fr) | 1978-07-13 |
| CA1096450A (fr) | 1981-02-24 |
| DE2755670A1 (de) | 1978-06-22 |
| BE861926A (fr) | 1978-04-14 |
| AU504991B2 (en) | 1979-11-01 |
| AU3098477A (en) | 1979-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |