FR2170551A5 - - Google Patents
Info
- Publication number
- FR2170551A5 FR2170551A5 FR7245917A FR7245917A FR2170551A5 FR 2170551 A5 FR2170551 A5 FR 2170551A5 FR 7245917 A FR7245917 A FR 7245917A FR 7245917 A FR7245917 A FR 7245917A FR 2170551 A5 FR2170551 A5 FR 2170551A5
- Authority
- FR
- France
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD15985371 | 1971-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2170551A5 true FR2170551A5 (en) | 1973-09-14 |
Family
ID=5484877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7245917A Expired FR2170551A5 (en) | 1971-12-23 | 1972-12-22 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2262905B2 (en) |
FR (1) | FR2170551A5 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2399681A1 (en) * | 1977-08-01 | 1979-03-02 | Canon Kk | Film transport counter for camera - uses detector elements on back pressure plate and camera body to detect perforations and count by logic circuitry |
FR2554262A1 (en) * | 1983-10-28 | 1985-05-03 | Flonic Sa | Anti-fraud device for electronic-memory card reader |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2812388C2 (en) * | 1978-03-21 | 1982-06-24 | Jürgen Ing.(grad.) 8019 Ebersberg Machate | Device for capacitive scanning of card-shaped data carriers |
DE3411240C1 (en) * | 1984-02-25 | 1985-09-19 | Jürgen Dipl.-Ing. 8017 Ebersberg Machate | Device for capacitive scanning of data carriers and data carriers therefor |
-
1972
- 1972-12-22 DE DE19722262905 patent/DE2262905B2/en active Granted
- 1972-12-22 FR FR7245917A patent/FR2170551A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2399681A1 (en) * | 1977-08-01 | 1979-03-02 | Canon Kk | Film transport counter for camera - uses detector elements on back pressure plate and camera body to detect perforations and count by logic circuitry |
FR2554262A1 (en) * | 1983-10-28 | 1985-05-03 | Flonic Sa | Anti-fraud device for electronic-memory card reader |
Also Published As
Publication number | Publication date |
---|---|
DE2262905A1 (en) | 1973-06-28 |
DE2262905C3 (en) | 1975-04-03 |
DE2262905B2 (en) | 1974-08-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |