GB1243917A - Device for producing electrical pulses, particularly for data-processing machines - Google Patents
Device for producing electrical pulses, particularly for data-processing machinesInfo
- Publication number
- GB1243917A GB1243917A GB1746969A GB1746969A GB1243917A GB 1243917 A GB1243917 A GB 1243917A GB 1746969 A GB1746969 A GB 1746969A GB 1746969 A GB1746969 A GB 1746969A GB 1243917 A GB1243917 A GB 1243917A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pick
- capacitor
- windings
- electrical pulses
- output
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J9/00—Hammer-impression mechanisms
- B41J9/26—Means for operating hammers to effect impression
- B41J9/38—Electromagnetic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
1,243,917. Shaft encoders. KOMBINAT ZENTRONIK VEB. 3 April, 1969, No. 17469/69. Heading G4H. Electrical pulses for a code generator are produced by a rotating drum or disc 3 bearing electrically conductive metallic segments 4 co-operating with a pick-up comprising one or more ferrite cores 1, 2 carrying one or more windings forming part of a normally balanced circuit which is unbalanced when a segment passes the pick-up. As shown in Fig. 1, equal and opposite voltages are induced in secondary windings 8, 9 except when a segment passes the end of core 1. A capacitor 16 may be connected across the output 11. The output may be taken from a point between windings 8, 9 and a point between two capacitors (17, 18, Fig. 5, not shown) connected in place of capacitor 16. One of the cores and/or coils may be axially adjustable (Figs. 3 and 4, not shown). In other arrangements, the pick-up comprises a single core carrying a single winding connected in a bridge circuit (Fig. 6, not shown) or comprises primary and secondary windings of opposite polarity connected to a common capacitor (19, Fig. 7, not shown).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1746969A GB1243917A (en) | 1969-04-03 | 1969-04-03 | Device for producing electrical pulses, particularly for data-processing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1746969A GB1243917A (en) | 1969-04-03 | 1969-04-03 | Device for producing electrical pulses, particularly for data-processing machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1243917A true GB1243917A (en) | 1971-08-25 |
Family
ID=10095721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1746969A Expired GB1243917A (en) | 1969-04-03 | 1969-04-03 | Device for producing electrical pulses, particularly for data-processing machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1243917A (en) |
-
1969
- 1969-04-03 GB GB1746969A patent/GB1243917A/en not_active Expired
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