GB1039742A - Improvements for recording signs on cathode ray oscilloscopes - Google Patents
Improvements for recording signs on cathode ray oscilloscopesInfo
- Publication number
- GB1039742A GB1039742A GB690964A GB690964A GB1039742A GB 1039742 A GB1039742 A GB 1039742A GB 690964 A GB690964 A GB 690964A GB 690964 A GB690964 A GB 690964A GB 1039742 A GB1039742 A GB 1039742A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wave
- matrix
- cathode
- shaper
- pulsed
- 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
- 239000011159 matrix material Substances 0.000 abstract 3
- 238000005282 brightening Methods 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
- G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
- G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
- G09G1/18—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible a small local pattern covering only a single character, and stepping to a position for the following character, e.g. in rectangular or polar co-ordinates, or in the form of a framed star
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Television Scanning (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
1,039,742. Selective signalling systems. SOC. NOUVELLE D'ELECTRONIQUE ET DE LA RADIO-INDUSTRIE. Feb. 19, 1964 [Feb. 19, 1963], No. 6909/64. Heading G4H. Characters are formed from selected spots in a 7 x 5 matrix on the screen of a cathode-ray tube. The vertical deflection circuit is supplied with a sine wave a, Fig. 1 (not shown), and the horizontal deflection circuit is supplied with a linear saw-tooth c on which is superimposed a sine wave d having twice the frequency of wave a. The resulting trace is of the form shown at e, the nearly vertical flanks forming the 5 columns of the matrix. The beam is pulsed at selected ones of 7 positions along each flank to form the character. In Fig. 3, mixer 11 combines the outputs of saw-tooth generator 10 and oscillator 7 to provide the horizontal scan wave, and divide-by-two circuit 13 connected to a shaper 8 provides the vertical scan wave via filter 9. Each pulse from shaper 8 is also applied to a delay line R having 7 taps connected to each of AND gate sets 2-6. Counter 13, 14 (the latter dividing by 3) opens gates 2-6 in turn and provides synchronizing pulses for generator 10. The 35 output leads of gates 2-6 are pulsed in turn and are connected to a diode matrix, Fig. 4 (not shown), from which the appropriate pulse train may be selected to form a desired character by brightening the beam of the cathode-ray tube at the appropriate instants in the scan pattern e.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR925249A FR1362463A (en) | 1963-02-19 | 1963-02-19 | Improvements to methods of writing characters on cathode-ray oscilloscopes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1039742A true GB1039742A (en) | 1966-08-24 |
Family
ID=8797360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB690964A Expired GB1039742A (en) | 1963-02-19 | 1964-02-19 | Improvements for recording signs on cathode ray oscilloscopes |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE1241167B (en) |
| FR (1) | FR1362463A (en) |
| GB (1) | GB1039742A (en) |
| NL (1) | NL6401449A (en) |
| SE (1) | SE315656B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL33548C (en) * | 1930-03-05 | |||
| US2920312A (en) * | 1953-08-13 | 1960-01-05 | Lab For Electronics Inc | Magnetic symbol generator |
| US2987715A (en) * | 1958-04-16 | 1961-06-06 | Itt | Signal-character translator |
-
1963
- 1963-02-19 FR FR925249A patent/FR1362463A/en not_active Expired
-
1964
- 1964-02-17 NL NL6401449A patent/NL6401449A/xx unknown
- 1964-02-18 DE DE1964S0089574 patent/DE1241167B/en active Pending
- 1964-02-18 SE SE197764A patent/SE315656B/xx unknown
- 1964-02-19 GB GB690964A patent/GB1039742A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6401449A (en) | 1964-08-20 |
| SE315656B (en) | 1969-10-06 |
| DE1241167B (en) | 1967-05-24 |
| FR1362463A (en) | 1964-06-05 |
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