SE373965B - - Google Patents
Info
- Publication number
- SE373965B SE373965B SE6905688A SE568869A SE373965B SE 373965 B SE373965 B SE 373965B SE 6905688 A SE6905688 A SE 6905688A SE 568869 A SE568869 A SE 568869A SE 373965 B SE373965 B SE 373965B
- Authority
- SE
- Sweden
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
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Geophysics And Detection Of Objects (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72344268A | 1968-04-23 | 1968-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE373965B true SE373965B (xx) | 1975-02-17 |
Family
ID=24906288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE6905688A SE373965B (xx) | 1968-04-23 | 1969-04-22 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3566084A (xx) |
| JP (1) | JPS4949253B1 (xx) |
| AT (1) | AT293766B (xx) |
| BE (1) | BE731970A (xx) |
| BR (1) | BR6908289D0 (xx) |
| CH (1) | CH506840A (xx) |
| DE (1) | DE1920697A1 (xx) |
| ES (1) | ES366282A1 (xx) |
| FR (1) | FR2006789A1 (xx) |
| GB (1) | GB1261093A (xx) |
| NL (1) | NL6906173A (xx) |
| SE (1) | SE373965B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940574A (en) * | 1973-12-20 | 1976-02-24 | Xerox Corporation | Reproduction of information from information-bearing discs |
| FR2469755A1 (fr) * | 1979-11-14 | 1981-05-22 | Thomson Csf | Support d'information portatif, dispositif et procede pour l'enregistrement et la lecture d'informations sur un tel support |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1804364A (en) * | 1930-07-12 | 1931-05-05 | Pacent Electric Company Inc | Pickup |
| US1927548A (en) * | 1932-04-13 | 1933-09-19 | John J Hopfield | Charging rod |
| US2526642A (en) * | 1949-06-30 | 1950-10-24 | Campo Angelo R Del | Electret-type generator and motor |
| US2941718A (en) * | 1953-10-29 | 1960-06-21 | Curtiss Wright Corp | Punched record translator |
| US3043505A (en) * | 1958-12-19 | 1962-07-10 | Ibm | Data sensing circuit |
| US3132242A (en) * | 1960-12-23 | 1964-05-05 | Ibm | Record sensing apparatus |
-
1968
- 1968-04-23 US US723442A patent/US3566084A/en not_active Expired - Lifetime
-
1969
- 1969-04-21 ES ES366282A patent/ES366282A1/es not_active Expired
- 1969-04-22 JP JP44031234A patent/JPS4949253B1/ja active Pending
- 1969-04-22 SE SE6905688A patent/SE373965B/xx unknown
- 1969-04-22 NL NL6906173A patent/NL6906173A/xx unknown
- 1969-04-23 BR BR208289/69A patent/BR6908289D0/pt unknown
- 1969-04-23 GB GB20710/69A patent/GB1261093A/en not_active Expired
- 1969-04-23 CH CH615969A patent/CH506840A/de not_active IP Right Cessation
- 1969-04-23 BE BE731970D patent/BE731970A/xx unknown
- 1969-04-23 FR FR6912905A patent/FR2006789A1/fr not_active Withdrawn
- 1969-04-23 DE DE19691920697 patent/DE1920697A1/de active Pending
- 1969-04-23 AT AT393269A patent/AT293766B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE731970A (xx) | 1969-10-01 |
| BR6908289D0 (pt) | 1973-02-22 |
| GB1261093A (en) | 1972-01-19 |
| JPS4949253B1 (xx) | 1974-12-26 |
| NL6906173A (xx) | 1969-10-27 |
| FR2006789A1 (xx) | 1970-01-02 |
| DE1920697A1 (de) | 1970-02-05 |
| US3566084A (en) | 1971-02-23 |
| ES366282A1 (es) | 1971-04-01 |
| AT293766B (de) | 1971-10-25 |
| CH506840A (de) | 1971-04-30 |