SE431702B - Forspennings- och skalningskrets - Google Patents
Forspennings- och skalningskretsInfo
- Publication number
- SE431702B SE431702B SE7806489A SE7806489A SE431702B SE 431702 B SE431702 B SE 431702B SE 7806489 A SE7806489 A SE 7806489A SE 7806489 A SE7806489 A SE 7806489A SE 431702 B SE431702 B SE 431702B
- Authority
- SE
- Sweden
- Prior art keywords
- operational amplifier
- voltage source
- transistor
- circuit
- voltage
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/06—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/804,419 US4125789A (en) | 1977-06-07 | 1977-06-07 | Biasing and scaling circuit for transducers |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7806489L SE7806489L (sv) | 1978-12-08 |
SE431702B true SE431702B (sv) | 1984-02-20 |
Family
ID=25188932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7806489A SE431702B (sv) | 1977-06-07 | 1978-06-02 | Forspennings- och skalningskrets |
Country Status (9)
Country | Link |
---|---|
US (1) | US4125789A (zh) |
JP (1) | JPS544159A (zh) |
CA (1) | CA1093164A (zh) |
DE (1) | DE2821938C3 (zh) |
FR (1) | FR2394208A1 (zh) |
GB (1) | GB1576668A (zh) |
IT (1) | IT1105358B (zh) |
SE (1) | SE431702B (zh) |
SU (1) | SU854282A3 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53105334A (en) * | 1977-02-25 | 1978-09-13 | Nippon Soken | Nonnlinear calculating circuit |
US4257064A (en) * | 1980-02-19 | 1981-03-17 | Hughes Aircraft Company | Wideband linear video contrast control |
EP0112380B1 (en) * | 1982-06-16 | 1991-02-27 | Rosemount Inc. | Frequency to current converter circuit |
US4598251A (en) * | 1982-06-16 | 1986-07-01 | Rosemount Inc. | Frequency to current converter circuit |
DE3312027A1 (de) * | 1983-04-02 | 1984-11-15 | Pierburg Gmbh & Co Kg, 4040 Neuss | Vorrichtung zur nullpunkteinstellung von signalquellen, insbesondere geberanordnungen |
US4558239A (en) * | 1983-08-17 | 1985-12-10 | At&T Bell Laboratories | High impedance amplifier for an IC chip |
US4593213A (en) * | 1984-05-25 | 1986-06-03 | United Technologies Corporation | Current-limited MOSFET switch |
JPH0410149Y2 (zh) * | 1984-10-18 | 1992-03-12 | ||
JPH0191179U (zh) * | 1987-12-09 | 1989-06-15 | ||
US5012140A (en) * | 1990-03-19 | 1991-04-30 | Tektronix, Inc. | Logarithmic amplifier with gain control |
JP2867756B2 (ja) * | 1991-08-30 | 1999-03-10 | 日本電気株式会社 | 消費電力制御装置 |
FI99171C (fi) * | 1991-09-12 | 1997-10-10 | Nokia Mobile Phones Ltd | Kytkentä RSSI-signaalin lähtöjännitteen skaalaukseen |
US5438288A (en) * | 1993-05-28 | 1995-08-01 | National Semiconductor Corporation | High differential output impedance setter |
US9950282B2 (en) * | 2012-03-15 | 2018-04-24 | Flodesign Sonics, Inc. | Electronic configuration and control for acoustic standing wave generation |
US10704021B2 (en) | 2012-03-15 | 2020-07-07 | Flodesign Sonics, Inc. | Acoustic perfusion devices |
US9458450B2 (en) | 2012-03-15 | 2016-10-04 | Flodesign Sonics, Inc. | Acoustophoretic separation technology using multi-dimensional standing waves |
JP6286925B2 (ja) * | 2013-08-19 | 2018-03-07 | ヤマハ株式会社 | オーディオ信号処理装置 |
US9725710B2 (en) | 2014-01-08 | 2017-08-08 | Flodesign Sonics, Inc. | Acoustophoresis device with dual acoustophoretic chamber |
US11708572B2 (en) | 2015-04-29 | 2023-07-25 | Flodesign Sonics, Inc. | Acoustic cell separation techniques and processes |
US11377651B2 (en) | 2016-10-19 | 2022-07-05 | Flodesign Sonics, Inc. | Cell therapy processes utilizing acoustophoresis |
US11021699B2 (en) | 2015-04-29 | 2021-06-01 | FioDesign Sonics, Inc. | Separation using angled acoustic waves |
US11459540B2 (en) | 2015-07-28 | 2022-10-04 | Flodesign Sonics, Inc. | Expanded bed affinity selection |
US11474085B2 (en) | 2015-07-28 | 2022-10-18 | Flodesign Sonics, Inc. | Expanded bed affinity selection |
US11085035B2 (en) | 2016-05-03 | 2021-08-10 | Flodesign Sonics, Inc. | Therapeutic cell washing, concentration, and separation utilizing acoustophoresis |
US11214789B2 (en) | 2016-05-03 | 2022-01-04 | Flodesign Sonics, Inc. | Concentration and washing of particles with acoustics |
KR102439221B1 (ko) | 2017-12-14 | 2022-09-01 | 프로디자인 소닉스, 인크. | 음향 트랜스듀서 구동기 및 제어기 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3504267A (en) * | 1968-02-20 | 1970-03-31 | Bendix Corp | Voltage to frequency converter |
US3839648A (en) * | 1972-02-28 | 1974-10-01 | Tektronix Inc | Programmable function generation |
DE2209787C2 (de) * | 1972-03-01 | 1974-03-14 | Auergesellschaft Gmbh, 1000 Berlin | Schaltungsanordnung zur Unterdrückung von durch Gleichtaktspannungsänderungen hervorgerufenen Gleichtaktsignalen in Meßanordnungen |
US3870906A (en) * | 1973-06-21 | 1975-03-11 | Us Navy | Ramp/hold circuit |
US3839647A (en) * | 1973-11-08 | 1974-10-01 | Litton Systems Inc | Transistor linearizer circuit |
-
1977
- 1977-06-07 US US05/804,419 patent/US4125789A/en not_active Expired - Lifetime
-
1978
- 1978-05-19 DE DE2821938A patent/DE2821938C3/de not_active Expired
- 1978-05-23 CA CA303,905A patent/CA1093164A/en not_active Expired
- 1978-05-26 GB GB23502/78A patent/GB1576668A/en not_active Expired
- 1978-06-02 SE SE7806489A patent/SE431702B/sv not_active IP Right Cessation
- 1978-06-05 IT IT49701/78A patent/IT1105358B/it active
- 1978-06-06 JP JP6735978A patent/JPS544159A/ja active Granted
- 1978-06-06 FR FR787816888A patent/FR2394208A1/fr active Granted
- 1978-06-07 SU SU782628152A patent/SU854282A3/ru active
Also Published As
Publication number | Publication date |
---|---|
US4125789A (en) | 1978-11-14 |
CA1093164A (en) | 1981-01-06 |
JPS6144360B2 (zh) | 1986-10-02 |
JPS544159A (en) | 1979-01-12 |
GB1576668A (en) | 1980-10-15 |
FR2394208A1 (fr) | 1979-01-05 |
IT7849701A0 (it) | 1978-06-05 |
FR2394208B1 (zh) | 1982-07-30 |
SE7806489L (sv) | 1978-12-08 |
DE2821938C3 (de) | 1980-12-11 |
DE2821938B2 (de) | 1980-03-27 |
IT1105358B (it) | 1985-10-28 |
SU854282A3 (ru) | 1981-08-07 |
DE2821938A1 (de) | 1978-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7806489-6 Effective date: 19880318 Format of ref document f/p: F |