NL69858C - - Google Patents
Info
- Publication number
- NL69858C NL69858C NL69858DA NL69858C NL 69858 C NL69858 C NL 69858C NL 69858D A NL69858D A NL 69858DA NL 69858 C NL69858 C NL 69858C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G05D3/121—Control of position or direction using feedback using synchromachines (selsyns)
- G05D3/122—Control of position or direction using feedback using synchromachines (selsyns) without modulation
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/38—Electric signal transmission systems using dynamo-electric devices
- G08C19/46—Electric signal transmission systems using dynamo-electric devices of which both rotor and stator carry windings
- G08C19/48—Electric signal transmission systems using dynamo-electric devices of which both rotor and stator carry windings being the type with a three-phase stator and a rotor fed by constant-frequency AC, e.g. selsyn, magslip
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB14752/48A GB647235A (en) | 1947-06-20 | 1947-06-20 | Improvements in electronic amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69858C true NL69858C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10046864
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL686810433A NL141016B (nl) | 1947-06-20 | Automatische elektrische schakelaar met op de beweegbare contactarmen uitgeoefende afstotende en aantrekkende elektrodynamische krachten. | |
| NL69858D NL69858C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1947-06-20 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL686810433A NL141016B (nl) | 1947-06-20 | Automatische elektrische schakelaar met op de beweegbare contactarmen uitgeoefende afstotende en aantrekkende elektrodynamische krachten. |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2738497A (en) * | 1952-04-24 | 1956-03-13 | American Machine & Metals | Panel mounted casing containing synchro-transformer, amplifier, and servomotor operated indicator |
| US2991329A (en) * | 1955-05-23 | 1961-07-04 | Weingart Ben | Hydraulically actuated remote writing instrument |
| GB914190A (en) * | 1960-09-01 | 1962-12-28 | Ferranti Ltd | Improvements relating to measuring apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206837A (en) * | 1922-11-09 | 1924-10-09 | British Thomson Houston Co Ltd | Improvements in circuit arrangements employing thermionic valves |
| US1898366A (en) * | 1927-06-21 | 1933-02-21 | Wired Radio Inc | Frequency transformation system |
-
0
- NL NL686810433A patent/NL141016B/xx unknown
- NL NL69858D patent/NL69858C/xx active
-
1947
- 1947-06-20 GB GB14752/48A patent/GB647235A/en not_active Expired
-
1948
- 1948-06-14 US US32761A patent/US2546628A/en not_active Expired - Lifetime
- 1948-06-18 FR FR989254D patent/FR989254A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB647235A (en) | 1950-12-06 |
| FR989254A (fr) | 1951-09-06 |
| NL141016B (nl) | |
| US2546628A (en) | 1951-03-27 |