GB1347372A - Apparatus for setting up a stored digital value - Google Patents
Apparatus for setting up a stored digital valueInfo
- Publication number
- GB1347372A GB1347372A GB4207173A GB4207171A GB1347372A GB 1347372 A GB1347372 A GB 1347372A GB 4207173 A GB4207173 A GB 4207173A GB 4207171 A GB4207171 A GB 4207171A GB 1347372 A GB1347372 A GB 1347372A
- Authority
- GB
- United Kingdom
- Prior art keywords
- store
- stage
- keyed
- actuated
- keyboard
- Prior art date
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Input From Keyboards Or The Like (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2326170A | 1970-03-27 | 1970-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1347372A true GB1347372A (en) | 1974-02-27 |
Family
ID=21814033
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2542971*A Expired GB1347371A (en) | 1970-03-27 | 1971-04-19 | High precision power supply |
GB4207173A Expired GB1347372A (en) | 1970-03-27 | 1971-04-19 | Apparatus for setting up a stored digital value |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2542971*A Expired GB1347371A (en) | 1970-03-27 | 1971-04-19 | High precision power supply |
Country Status (4)
Country | Link |
---|---|
US (1) | US3605002A (fr) |
DE (1) | DE2114814A1 (fr) |
FR (1) | FR2083627B1 (fr) |
GB (2) | GB1347371A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061909A (en) * | 1975-07-23 | 1977-12-06 | Bryant A William | Variable waveform synthesizer using digital circuitry |
US4128771A (en) * | 1977-01-07 | 1978-12-05 | Palyn Associates, Inc. | Digitally controlled power system |
FR2438289A1 (fr) * | 1978-10-06 | 1980-04-30 | Palyn Associates Inc | Dispositif d'alimentation a commande numerique |
JPS5826398A (ja) * | 1981-08-10 | 1983-02-16 | Yokogawa Hokushin Electric Corp | メモリ回路 |
EP0104385B1 (fr) * | 1982-08-27 | 1986-04-16 | Siemens Aktiengesellschaft | Générateur de courant constant |
FR2596926B1 (fr) * | 1986-04-07 | 1989-08-18 | Pascal Longuenesse Lycee Tech | Generateur de courant 4-20ma, a architecture numerique |
US4675538A (en) * | 1986-06-02 | 1987-06-23 | Epstein Barry M | General purpose uninterruptible power supply |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3142798A (en) * | 1960-02-01 | 1964-07-28 | Weston Instruments Inc | D. c. ammeter calibrator utilizing feedback control and regulation of calibrating current |
US3226630A (en) * | 1963-03-01 | 1965-12-28 | Raytheon Co | Power supply regulators |
US3178699A (en) * | 1963-03-26 | 1965-04-13 | Monitron Mfg Corp | Digital code alpha-numeric indicator |
FR1391866A (fr) * | 1964-01-25 | 1965-03-12 | Pellam S A | Procédé et dispositif d'alimentation variable d'une charge par une source de tension continue |
US3372325A (en) * | 1964-11-13 | 1968-03-05 | Rucker Co | Readily serviceable power supply assembly |
US3375436A (en) * | 1964-11-17 | 1968-03-26 | Rca Corp | Regulated high voltage d.c. power supply |
US3422423A (en) * | 1965-01-04 | 1969-01-14 | Sperry Rand Corp | Digital-to-analog converter |
GB1136821A (en) * | 1965-02-13 | 1968-12-18 | Telehoist Ltd | Improvements in or relating to numerical control systems |
US3419789A (en) * | 1966-04-09 | 1968-12-31 | Forbro Design Corp | High precision dc voltage regulator |
US3509329A (en) * | 1966-10-24 | 1970-04-28 | Wang Laboratories | Calculator |
-
1970
- 1970-03-27 US US23261A patent/US3605002A/en not_active Expired - Lifetime
-
1971
- 1971-03-25 FR FR7110706A patent/FR2083627B1/fr not_active Expired
- 1971-03-26 DE DE19712114814 patent/DE2114814A1/de active Pending
- 1971-04-19 GB GB2542971*A patent/GB1347371A/en not_active Expired
- 1971-04-19 GB GB4207173A patent/GB1347372A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1347371A (en) | 1974-02-27 |
DE2114814A1 (fr) | 1971-10-21 |
US3605002A (en) | 1971-09-14 |
FR2083627B1 (fr) | 1974-12-20 |
FR2083627A1 (fr) | 1971-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |