BE470921A - - Google Patents
Info
- Publication number
- BE470921A BE470921A BE470921DA BE470921A BE 470921 A BE470921 A BE 470921A BE 470921D A BE470921D A BE 470921DA BE 470921 A BE470921 A BE 470921A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/14—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power
- H03J5/18—Settings determined by a number of separate positioning means actuated by electromagnets
-
- 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
- G05D3/125—Control of position or direction using feedback using discrete position sensor
- G05D3/127—Control of position or direction using feedback using discrete position sensor with electrical contact
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Transmission Devices (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US547058A US2526152A (en) | 1944-07-28 | 1944-07-28 | Automatic position control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470921A true BE470921A (US20100268047A1-20101021-C00003.png) |
Family
ID=24183169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470921D BE470921A (US20100268047A1-20101021-C00003.png) | 1944-07-28 |
Country Status (4)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2595984A (en) * | 1945-08-20 | 1952-05-06 | Motorola Inc | Tuning mechanism |
| US2612050A (en) * | 1947-03-27 | 1952-09-30 | Toth Emerick | Shaft position control mechanism |
| US2591344A (en) * | 1947-09-03 | 1952-04-01 | Harold F Elliott | Apparatus for positioning rotary controlled elements |
| US2567325A (en) * | 1949-03-30 | 1951-09-11 | Harold F Elliott | Apparatus for positioning a rotary controlled element |
| US2778472A (en) * | 1951-09-21 | 1957-01-22 | Garrett Corp | Actuating mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2320867A (en) * | 1938-06-28 | 1943-06-01 | Gen Motors Corp | Remote automatic radio control |
| US2249753A (en) * | 1939-06-07 | 1941-07-22 | Harold F Elliott | Electric control apparatus |
| US2285414A (en) * | 1939-11-08 | 1942-06-09 | Arthur A Collins | Control system and apparatus |
| US2356905A (en) * | 1941-10-01 | 1944-08-29 | Teletype Corp | Integer storage mechanism |
| US2334724A (en) * | 1942-12-29 | 1943-11-23 | Fed Telephone & Radio Corp | Rotary positioning control apparatus |
| US2391470A (en) * | 1943-05-17 | 1945-12-25 | Collins Radio Co | Automatic tuning apparatus |
-
0
- BE BE470921D patent/BE470921A/xx unknown
-
1944
- 1944-07-28 US US547058A patent/US2526152A/en not_active Expired - Lifetime
-
1945
- 1945-07-28 CH CH252928D patent/CH252928A/de unknown
-
1947
- 1947-08-28 ES ES0179499A patent/ES179499A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES179499A1 (es) | 1947-10-16 |
| CH252928A (de) | 1948-01-31 |
| US2526152A (en) | 1950-10-17 |
