RO58087A - - Google Patents
Info
- Publication number
- RO58087A RO58087A RO65319A RO6531970A RO58087A RO 58087 A RO58087 A RO 58087A RO 65319 A RO65319 A RO 65319A RO 6531970 A RO6531970 A RO 6531970A RO 58087 A RO58087 A RO 58087A
- Authority
- RO
- Romania
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
-
- 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
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14444369 | 1969-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO58087A true RO58087A (ro) | 1975-04-15 |
Family
ID=5481964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO65319A RO58087A (ro) | 1969-12-18 | 1970-12-15 |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS157113B2 (ro) |
| DE (1) | DE2060901A1 (ro) |
| RO (1) | RO58087A (ro) |
-
1970
- 1970-12-10 DE DE19702060901 patent/DE2060901A1/de active Pending
- 1970-12-14 CS CS842870A patent/CS157113B2/cs unknown
- 1970-12-15 RO RO65319A patent/RO58087A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2060901A1 (de) | 1971-07-01 |
| CS157113B2 (ro) | 1974-08-23 |