DE2256009A1 - Schaltungsanordnung zur wahrnehmung einer signalspannungsaenderung - Google Patents
Schaltungsanordnung zur wahrnehmung einer signalspannungsaenderungInfo
- Publication number
- DE2256009A1 DE2256009A1 DE2256009A DE2256009A DE2256009A1 DE 2256009 A1 DE2256009 A1 DE 2256009A1 DE 2256009 A DE2256009 A DE 2256009A DE 2256009 A DE2256009 A DE 2256009A DE 2256009 A1 DE2256009 A1 DE 2256009A1
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- transistor
- negative feedback
- circuit arrangement
- resistor
- 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.)
- Pending
Links
- 230000005669 field effect Effects 0.000 claims description 18
- 230000008447 perception Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 description 8
- 238000003915 air pollution Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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
- H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
- G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7140728A FR2161126A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-15 | 1971-11-15 | |
| FR7147781A FR2166628A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-15 | 1971-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2256009A1 true DE2256009A1 (de) | 1973-05-17 |
Family
ID=26216718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2256009A Pending DE2256009A1 (de) | 1971-11-15 | 1972-11-15 | Schaltungsanordnung zur wahrnehmung einer signalspannungsaenderung |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2635640A1 (de) * | 1975-08-11 | 1977-03-03 | Wormald Int | Waerme-detektoreinrichtung |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525625B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-05-13 | 1980-07-07 | ||
| EP0092145B1 (en) * | 1982-04-21 | 1988-06-22 | Kabushiki Kaisha Toshiba | Transistor circuit |
| DE3710871A1 (de) * | 1987-04-01 | 1988-10-20 | Standard Elektrik Lorenz Ag | Schaltung zur formung einer messsignalspannung in ein rechtecksignal |
| KR100854463B1 (ko) * | 2007-05-21 | 2008-08-27 | 주식회사 하이닉스반도체 | 온도센서회로 및 이를 이용한 반도체 메모리 장치 |
| JP6218404B2 (ja) * | 2013-03-18 | 2017-10-25 | エスアイアイ・セミコンダクタ株式会社 | 受光回路 |
| CN105976551B (zh) * | 2016-06-22 | 2018-05-15 | 中铁二局集团勘测设计院有限责任公司 | 一种基于bim的火灾报警系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3296546A (en) * | 1964-08-31 | 1967-01-03 | Jr William J Schneider | Transistor circuit constructions for active type band pass filters |
| US3501711A (en) * | 1968-11-12 | 1970-03-17 | Textron Inc | Zero-voltage driven-cable amplifier |
| US3654468A (en) * | 1970-03-11 | 1972-04-04 | Industrial Nucleonics Corp | Radiation measurement system with mosfet electrometer circuit which is protected against voltage transients |
-
0
- BE BE791365D patent/BE791365A/xx unknown
-
1971
- 1971-12-31 FR FR7147781A patent/FR2166628A6/fr not_active Expired
-
1972
- 1972-10-24 CH CH1552972A patent/CH567246A5/xx not_active IP Right Cessation
- 1972-11-13 US US00305680A patent/US3813565A/en not_active Expired - Lifetime
- 1972-11-14 CA CA156,395A patent/CA987760A/en not_active Expired
- 1972-11-14 IT IT31619/72A patent/IT970464B/it active
- 1972-11-15 JP JP47114650A patent/JPS4868287A/ja active Pending
- 1972-11-15 GB GB5269072A patent/GB1421337A/en not_active Expired
- 1972-11-15 DE DE2256009A patent/DE2256009A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2635640A1 (de) * | 1975-08-11 | 1977-03-03 | Wormald Int | Waerme-detektoreinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| IT970464B (it) | 1974-04-10 |
| GB1421337A (en) | 1976-01-14 |
| CA987760A (en) | 1976-04-20 |
| CH567246A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-30 |
| FR2166628A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-17 |
| US3813565A (en) | 1974-05-28 |
| BE791365A (fr) | 1973-03-01 |
| JPS4868287A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |