JPS4949253B1 - - Google Patents
Info
- Publication number
- JPS4949253B1 JPS4949253B1 JP44031234A JP3123469A JPS4949253B1 JP S4949253 B1 JPS4949253 B1 JP S4949253B1 JP 44031234 A JP44031234 A JP 44031234A JP 3123469 A JP3123469 A JP 3123469A JP S4949253 B1 JPS4949253 B1 JP S4949253B1
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (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 |
|---|---|
| JPS4949253B1 true JPS4949253B1 (ja) | 1974-12-26 |
Family
ID=24906288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44031234A Pending JPS4949253B1 (ja) | 1968-04-23 | 1969-04-22 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3566084A (ja) |
| JP (1) | JPS4949253B1 (ja) |
| AT (1) | AT293766B (ja) |
| BE (1) | BE731970A (ja) |
| BR (1) | BR6908289D0 (ja) |
| CH (1) | CH506840A (ja) |
| DE (1) | DE1920697A1 (ja) |
| ES (1) | ES366282A1 (ja) |
| FR (1) | FR2006789A1 (ja) |
| GB (1) | GB1261093A (ja) |
| NL (1) | NL6906173A (ja) |
| SE (1) | SE373965B (ja) |
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 NL NL6906173A patent/NL6906173A/xx unknown
- 1969-04-22 SE SE6905688A patent/SE373965B/xx unknown
- 1969-04-23 AT AT393269A patent/AT293766B/de not_active IP Right Cessation
- 1969-04-23 GB GB20710/69A patent/GB1261093A/en not_active Expired
- 1969-04-23 FR FR6912905A patent/FR2006789A1/fr not_active Withdrawn
- 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 BR BR208289/69A patent/BR6908289D0/pt unknown
- 1969-04-23 DE DE19691920697 patent/DE1920697A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE373965B (ja) | 1975-02-17 |
| US3566084A (en) | 1971-02-23 |
| AT293766B (de) | 1971-10-25 |
| CH506840A (de) | 1971-04-30 |
| ES366282A1 (es) | 1971-04-01 |
| BR6908289D0 (pt) | 1973-02-22 |
| GB1261093A (en) | 1972-01-19 |
| NL6906173A (ja) | 1969-10-27 |
| BE731970A (ja) | 1969-10-01 |
| FR2006789A1 (ja) | 1970-01-02 |
| DE1920697A1 (de) | 1970-02-05 |