FR2487997B1 - - Google Patents
Info
- Publication number
- FR2487997B1 FR2487997B1 FR8016919A FR8016919A FR2487997B1 FR 2487997 B1 FR2487997 B1 FR 2487997B1 FR 8016919 A FR8016919 A FR 8016919A FR 8016919 A FR8016919 A FR 8016919A FR 2487997 B1 FR2487997 B1 FR 2487997B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- 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
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8016919A FR2487997A1 (fr) | 1980-07-31 | 1980-07-31 | Procede et dispositif de modulation d'un signal alternatif par des impulsions de facteur de forme variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8016919A FR2487997A1 (fr) | 1980-07-31 | 1980-07-31 | Procede et dispositif de modulation d'un signal alternatif par des impulsions de facteur de forme variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2487997A1 FR2487997A1 (fr) | 1982-02-05 |
| FR2487997B1 true FR2487997B1 (enExample) | 1983-09-16 |
Family
ID=9244752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8016919A Granted FR2487997A1 (fr) | 1980-07-31 | 1980-07-31 | Procede et dispositif de modulation d'un signal alternatif par des impulsions de facteur de forme variable |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2487997A1 (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459970A (en) * | 1966-02-02 | 1969-08-05 | Mallory & Co Inc P R | Timing network |
| US4196356A (en) * | 1978-01-27 | 1980-04-01 | Honeywell Inc. | Expanded time constant condition control system |
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1980
- 1980-07-31 FR FR8016919A patent/FR2487997A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2487997A1 (fr) | 1982-02-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |