SE332011B - - Google Patents
Info
- Publication number
- SE332011B SE332011B SE09867/64A SE986764A SE332011B SE 332011 B SE332011 B SE 332011B SE 09867/64 A SE09867/64 A SE 09867/64A SE 986764 A SE986764 A SE 986764A SE 332011 B SE332011 B SE 332011B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/48—Servo-type converters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/80—Simultaneous conversion using weighted impedances
- H03M1/808—Simultaneous conversion using weighted impedances using resistors
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US302573A US3247507A (en) | 1963-08-16 | 1963-08-16 | Control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE332011B true SE332011B (xx) | 1971-01-25 |
Family
ID=23168327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE09867/64A SE332011B (xx) | 1963-08-16 | 1964-08-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3247507A (xx) |
| DE (1) | DE1437157A1 (xx) |
| FR (1) | FR1413945A (xx) |
| GB (1) | GB1081753A (xx) |
| SE (1) | SE332011B (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3371337A (en) * | 1964-07-23 | 1968-02-27 | Westinghouse Electric Corp | High speed analog to binary converter |
| US3372579A (en) * | 1964-12-18 | 1968-03-12 | Whittaker Corp | Digital output transducer |
| GB1086908A (en) * | 1965-07-26 | 1967-10-11 | Standard Telephones Cables Ltd | Analogue-to-digital converter |
| FR1481960A (fr) * | 1966-01-10 | 1967-05-26 | Societe D'etudes, Recherches Et Constructions Electroniques | Procédé et dispositif de codage numérique |
| US3508249A (en) * | 1966-04-04 | 1970-04-21 | Gordon Eng Co | Digital-to-analog converter |
| US3568179A (en) * | 1967-09-20 | 1971-03-02 | Gen Electric | Analogue-to-digital converter |
| US3581303A (en) * | 1967-10-06 | 1971-05-25 | Trw Inc | Digital to analog converter |
| US3550113A (en) * | 1967-11-15 | 1970-12-22 | Ibm | Current-mode analog-to-digital converter |
| US3609308A (en) * | 1968-04-23 | 1971-09-28 | Chesapeake Instr Corp | Digital measuring systems |
| US3641565A (en) * | 1969-09-02 | 1972-02-08 | Dynamics Res Corp | Digital resolver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2965891A (en) * | 1955-06-21 | 1960-12-20 | Schlumberger Well Surv Corp | Signal converting systems |
| US2988737A (en) * | 1958-12-30 | 1961-06-13 | Sperry Rand Corp | Analog-to-digital converter |
-
1963
- 1963-08-16 US US302573A patent/US3247507A/en not_active Expired - Lifetime
-
1964
- 1964-08-11 GB GB32715/64A patent/GB1081753A/en not_active Expired
- 1964-08-14 SE SE09867/64A patent/SE332011B/xx unknown
- 1964-08-14 FR FR985252A patent/FR1413945A/fr not_active Expired
- 1964-08-17 DE DE19641437157 patent/DE1437157A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1413945A (fr) | 1965-10-15 |
| DE1437157A1 (de) | 1969-10-09 |
| GB1081753A (en) | 1967-08-31 |
| US3247507A (en) | 1966-04-19 |