FR89129E - Perfectionnements aux lecteurs électrostatiques - Google Patents
Perfectionnements aux lecteurs électrostatiquesInfo
- Publication number
- FR89129E FR89129E FR38845A FR38845A FR89129E FR 89129 E FR89129 E FR 89129E FR 38845 A FR38845 A FR 38845A FR 38845 A FR38845 A FR 38845A FR 89129 E FR89129 E FR 89129E
- Authority
- FR
- France
- Prior art keywords
- readers
- electrostatic
- electrostatic readers
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/081—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes electrostatic, e.g. by detecting the charge of capacitance between electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/045—Selecting complete characters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/005—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards with a storage element common to a large number of data, e.g. perforated card
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40668064A | 1964-10-27 | 1964-10-27 | |
US41210264A | 1964-11-18 | 1964-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR89129E true FR89129E (fr) | 1967-05-12 |
Family
ID=32233356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR38845A Expired FR89129E (fr) | 1964-10-27 | 1965-11-18 | Perfectionnements aux lecteurs électrostatiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR89129E (fr) |
-
1965
- 1965-11-18 FR FR38845A patent/FR89129E/fr not_active Expired
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