DK104675A - - Google Patents
Info
- Publication number
- DK104675A DK104675A DK104675A DK104675A DK104675A DK 104675 A DK104675 A DK 104675A DK 104675 A DK104675 A DK 104675A DK 104675 A DK104675 A DK 104675A DK 104675 A DK104675 A DK 104675A
- Authority
- DK
- Denmark
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
- H03K5/2409—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors
- H03K5/2418—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors with at least one differential stage
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B1/00—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
- G05B1/01—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
- G05B1/02—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing analogue signals
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/18—Control of position or direction using feedback using an analogue comparing device delivering a series of pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Nonlinear Science (AREA)
- Control Of Ac Motors In General (AREA)
- Air Conditioning Control Device (AREA)
- Manipulation Of Pulses (AREA)
- Control Of Position Or Direction (AREA)
- Feedback Control In General (AREA)
- Stopping Of Electric Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/451,108 US3978387A (en) | 1974-03-14 | 1974-03-14 | Analog signal comparator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK104675A true DK104675A (da) | 1975-09-15 |
Family
ID=23790836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK104675A DK104675A (da) | 1974-03-14 | 1975-03-14 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3978387A (da) |
| JP (1) | JPS50128438A (da) |
| BE (1) | BE826142A (da) |
| CA (1) | CA1031817A (da) |
| DE (1) | DE2507097A1 (da) |
| DK (1) | DK104675A (da) |
| FR (1) | FR2264320A1 (da) |
| GB (1) | GB1463644A (da) |
| IT (1) | IT1032310B (da) |
| NL (1) | NL7502266A (da) |
| NO (1) | NO750838L (da) |
| SE (1) | SE398562B (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199482A (en) * | 1981-05-30 | 1982-12-07 | Diesel Kiki Co Ltd | Drive circuit for motor for car |
| ZA83672B (en) * | 1982-02-19 | 1983-10-26 | Int Standard Electric Corp | Electric drive arrangement |
| US5793174A (en) * | 1996-09-06 | 1998-08-11 | Hunter Douglas Inc. | Electrically powered window covering assembly |
| CN112344603B (zh) * | 2020-10-27 | 2021-11-05 | 珠海格力电器股份有限公司 | 电子膨胀阀的控制电路及控制方法、空调器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3260912A (en) * | 1963-06-19 | 1966-07-12 | Gen Motors Corp | Power amplifier employing pulse duration modulation |
| US3478254A (en) * | 1966-06-01 | 1969-11-11 | Sperry Rand Corp | Apparatus for controlling the automatic positioning of a driven member |
| US3652913A (en) * | 1970-07-01 | 1972-03-28 | George M Holley Jr | Control system including common mode feedback |
| US3686557A (en) * | 1970-08-26 | 1972-08-22 | Fischer & Porter Co | Floating-type electronic servo-motor process controller |
| US3742327A (en) * | 1971-01-15 | 1973-06-26 | Johnson Service Co | Proportional motor actuator circuit |
| US3890550A (en) * | 1971-05-28 | 1975-06-17 | Canon Kk | Differential amplifier circuit for servo system |
| US3806787A (en) * | 1973-08-20 | 1974-04-23 | Gen Electric | Circuit for generating a voltage proportional to motor armature current |
-
1974
- 1974-03-14 US US05/451,108 patent/US3978387A/en not_active Expired - Lifetime
-
1975
- 1975-02-11 CA CA219,780A patent/CA1031817A/en not_active Expired
- 1975-02-18 GB GB683775A patent/GB1463644A/en not_active Expired
- 1975-02-19 DE DE19752507097 patent/DE2507097A1/de active Pending
- 1975-02-26 NL NL7502266A patent/NL7502266A/xx not_active Application Discontinuation
- 1975-02-28 BE BE153879A patent/BE826142A/xx unknown
- 1975-03-12 FR FR7507753A patent/FR2264320A1/fr not_active Withdrawn
- 1975-03-12 NO NO750838A patent/NO750838L/no unknown
- 1975-03-13 SE SE7502831A patent/SE398562B/xx unknown
- 1975-03-13 IT IT48606/75A patent/IT1032310B/it active
- 1975-03-14 DK DK104675A patent/DK104675A/da unknown
- 1975-03-14 JP JP50031035A patent/JPS50128438A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50128438A (da) | 1975-10-09 |
| US3978387A (en) | 1976-08-31 |
| IT1032310B (it) | 1979-05-30 |
| CA1031817A (en) | 1978-05-23 |
| SE7502831L (da) | 1975-09-15 |
| GB1463644A (en) | 1977-02-02 |
| DE2507097A1 (de) | 1975-11-06 |
| FR2264320A1 (da) | 1975-10-10 |
| BE826142A (fr) | 1975-06-16 |
| SE398562B (sv) | 1977-12-27 |
| NL7502266A (nl) | 1975-09-16 |
| NO750838L (da) | 1975-09-16 |