FR1393325A - Servo-mécanisme électronique - Google Patents
Servo-mécanisme électroniqueInfo
- Publication number
- FR1393325A FR1393325A FR958805A FR958805A FR1393325A FR 1393325 A FR1393325 A FR 1393325A FR 958805 A FR958805 A FR 958805A FR 958805 A FR958805 A FR 958805A FR 1393325 A FR1393325 A FR 1393325A
- Authority
- FR
- France
- Prior art keywords
- electronic servo
- servo
- electronic
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/144—Image acquisition using a slot moved over the image; using discrete sensing elements at predetermined points; using automatic curve following means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
- G06K11/02—Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve
- G06K11/04—Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve using an auxiliary scanning pattern
-
- 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
- G09G1/08—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 directly tracing characters, the information to be displayed controlling the deflection and the intensity as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Radar, Positioning & Navigation (AREA)
- Artificial Intelligence (AREA)
- Multimedia (AREA)
- Remote Sensing (AREA)
- Studio Circuits (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Machine Tool Copy Controls (AREA)
- Controls And Circuits For Display Device (AREA)
- Character Discrimination (AREA)
- Facsimile Scanning Arrangements (AREA)
- Character Input (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US248585A US3229100A (en) | 1962-12-31 | 1962-12-31 | Electronic servo system |
US305254A US3267285A (en) | 1963-08-29 | 1963-08-29 | Variable resolution curve following apparatus |
US377749A US3387138A (en) | 1962-12-31 | 1964-06-24 | Radiant energy sensitive electronic curve follower |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1393325A true FR1393325A (fr) | 1965-03-26 |
Family
ID=63721178
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR958805A Expired FR1393325A (fr) | 1962-12-31 | 1963-12-30 | Servo-mécanisme électronique |
FR986103A Expired FR1409557A (fr) | 1962-12-31 | 1964-08-25 | Appareil suiveur de courbes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR986103A Expired FR1409557A (fr) | 1962-12-31 | 1964-08-25 | Appareil suiveur de courbes |
Country Status (8)
Country | Link |
---|---|
US (1) | US3387138A (fr) |
BE (1) | BE641906A (fr) |
CH (1) | CH411421A (fr) |
DE (2) | DE1205745B (fr) |
FR (2) | FR1393325A (fr) |
GB (4) | GB996509A (fr) |
NL (2) | NL302499A (fr) |
SE (1) | SE313685B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3514753A (en) * | 1966-01-12 | 1970-05-26 | Ibm | Character recognition system |
DE1549880B1 (de) * | 1967-08-29 | 1971-01-21 | Siemens Ag | Anordnung zur optischen Abtastung von Zeichen |
US3629828A (en) * | 1969-05-07 | 1971-12-21 | Ibm | System having scanner controlled by video clipping level and recognition exception routines |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL268306A (fr) * | 1957-05-17 | |||
DE1090890B (de) * | 1958-10-15 | 1960-10-13 | Standard Elektrik Lorenz Ag | Verfahren und Anordnung zur automatischen Zeichenerkennung |
FR1312707A (fr) * | 1961-01-12 | 1962-12-21 | Thomson Houston Comp Francaise | Perfectionnements aux dispositifs d'identification de caractères |
US3267285A (en) * | 1963-08-29 | 1966-08-16 | Ibm | Variable resolution curve following apparatus |
US3229100A (en) * | 1962-12-31 | 1966-01-11 | Ibm | Electronic servo system |
US3289004A (en) * | 1963-09-03 | 1966-11-29 | Ibm | Photosensitive electronic servo apparatus for curve following |
-
1963
- 1963-11-22 GB GB46116/63A patent/GB996509A/en not_active Expired
- 1963-12-19 DE DEJ24971A patent/DE1205745B/de active Pending
- 1963-12-23 NL NL302499D patent/NL302499A/xx unknown
- 1963-12-23 NL NL63302499A patent/NL145071B/xx unknown
- 1963-12-27 BE BE641906D patent/BE641906A/fr unknown
- 1963-12-30 FR FR958805A patent/FR1393325A/fr not_active Expired
- 1963-12-30 CH CH1606263A patent/CH411421A/de unknown
- 1963-12-31 SE SE14630/63A patent/SE313685B/xx unknown
-
1964
- 1964-06-24 US US377749A patent/US3387138A/en not_active Expired - Lifetime
- 1964-08-11 GB GB32655/64A patent/GB1008560A/en not_active Expired
- 1964-08-25 FR FR986103A patent/FR1409557A/fr not_active Expired
- 1964-08-29 DE DEJ26474A patent/DE1211009B/de active Pending
-
1965
- 1965-05-10 GB GB19554/65A patent/GB1039948A/en not_active Expired
- 1965-05-10 GB GB19553/65A patent/GB1044246A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3387138A (en) | 1968-06-04 |
CH411421A (de) | 1966-04-15 |
DE1205745B (de) | 1965-11-25 |
DE1211009B (de) | 1966-02-17 |
GB996509A (en) | 1965-06-30 |
SE313685B (fr) | 1969-08-18 |
NL302499A (fr) | 1965-10-25 |
GB1008560A (en) | 1965-10-27 |
GB1044246A (en) | 1966-09-28 |
BE641906A (fr) | 1964-04-16 |
GB1039948A (en) | 1966-08-24 |
NL145071B (nl) | 1975-02-17 |
FR1409557A (fr) | 1965-08-27 |
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