NL253936A - - Google Patents
Info
- Publication number
- NL253936A NL253936A NL253936DA NL253936A NL 253936 A NL253936 A NL 253936A NL 253936D A NL253936D A NL 253936DA NL 253936 A NL253936 A NL 253936A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/012—Automatic controllers electric details of the transmission means
- G05B11/017—Automatic controllers electric details of the transmission means using photo-electric means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/24—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Current Or Voltage (AREA)
- Details Of Measuring Devices (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG27528A DE1115809B (de) | 1959-07-18 | 1959-07-18 | Lichtelektrisch gesteuerte Schalteinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL253936A true NL253936A (me) |
Family
ID=7123238
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL253936D NL253936A (me) | 1959-07-18 | ||
| NL120383D NL120383C (me) | 1959-07-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL120383D NL120383C (me) | 1959-07-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3054928A (me) |
| CH (1) | CH396158A (me) |
| DE (1) | DE1115809B (me) |
| GB (1) | GB939027A (me) |
| NL (2) | NL120383C (me) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3249759A (en) * | 1962-10-31 | 1966-05-03 | Sendro George Tibor | Condition control galvanometer with photoelectric limit sensing |
| DE1283331B (de) * | 1963-05-24 | 1968-11-21 | Agfa Gevaert Ag | Fotowiderstand fuer einen Daemmerungsschalter |
| US3332014A (en) * | 1963-10-28 | 1967-07-18 | Weston Instruments Inc | Electric meter with light responsive limit indication |
| US3399347A (en) * | 1964-01-09 | 1968-08-27 | Bausch & Lomb | Photoelectric system for generating a signal proportional to the movement of a meter |
| US3329825A (en) * | 1964-05-11 | 1967-07-04 | Gen Electric | Meter relay using photoelectric relay elements controlled by an annular shutter mounted on the meter movement assembly |
| US3355593A (en) * | 1964-12-02 | 1967-11-28 | Instr Lab Inc | Contactless switching device |
| US3337739A (en) * | 1967-01-13 | 1967-08-22 | Sigma Instruments Inc | Condition control galvanometer with photoelectric limit sensing |
| US3693022A (en) * | 1970-09-03 | 1972-09-19 | Schlumberger Instrumentation | Regulator-meter utilizing a beam of light for indication and regulation |
| US4609817A (en) * | 1983-04-07 | 1986-09-02 | Mid-West Instrument - Div. Astra Associates, Inc. | Optical shaft position sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2365601A (en) * | 1944-01-10 | 1944-12-19 | Hartford Nat Bank & Trust Co | Electronic indicating device |
| DE1748270U (de) * | 1957-04-16 | 1957-07-11 | Herbert Ruehl | Elektronisch gesteuerter daemmerungsschalter. |
-
0
- NL NL253936D patent/NL253936A/xx unknown
- NL NL120383D patent/NL120383C/xx active
-
1959
- 1959-07-18 DE DEG27528A patent/DE1115809B/de active Pending
-
1960
- 1960-06-27 CH CH723160A patent/CH396158A/de unknown
- 1960-07-07 US US41305A patent/US3054928A/en not_active Expired - Lifetime
- 1960-07-18 GB GB24949/60A patent/GB939027A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL120383C (me) | |
| DE1115809B (de) | 1961-10-26 |
| GB939027A (en) | 1963-10-09 |
| CH396158A (de) | 1965-07-31 |
| US3054928A (en) | 1962-09-18 |