FR2006789A1 - - Google Patents

Info

Publication number
FR2006789A1
FR2006789A1 FR6912905A FR6912905A FR2006789A1 FR 2006789 A1 FR2006789 A1 FR 2006789A1 FR 6912905 A FR6912905 A FR 6912905A FR 6912905 A FR6912905 A FR 6912905A FR 2006789 A1 FR2006789 A1 FR 2006789A1
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.)
Withdrawn
Application number
FR6912905A
Inventor
J P Watson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of FR2006789A1 publication Critical patent/FR2006789A1/fr
Withdrawn legal-status Critical Current

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR6912905A 1968-04-23 1969-04-23 Withdrawn FR2006789A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72344268A 1968-04-23 1968-04-23

Publications (1)

Publication Number Publication Date
FR2006789A1 true FR2006789A1 (fr) 1970-01-02

Family

ID=24906288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6912905A Withdrawn FR2006789A1 (fr) 1968-04-23 1969-04-23

Country Status (12)

Country Link
US (1) US3566084A (fr)
JP (1) JPS4949253B1 (fr)
AT (1) AT293766B (fr)
BE (1) BE731970A (fr)
BR (1) BR6908289D0 (fr)
CH (1) CH506840A (fr)
DE (1) DE1920697A1 (fr)
ES (1) ES366282A1 (fr)
FR (1) FR2006789A1 (fr)
GB (1) GB1261093A (fr)
NL (1) NL6906173A (fr)
SE (1) SE373965B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB1261093A (en) 1972-01-19
JPS4949253B1 (fr) 1974-12-26
CH506840A (de) 1971-04-30
ES366282A1 (es) 1971-04-01
BR6908289D0 (pt) 1973-02-22
AT293766B (de) 1971-10-25
SE373965B (fr) 1975-02-17
DE1920697A1 (de) 1970-02-05
NL6906173A (fr) 1969-10-27
US3566084A (en) 1971-02-23
BE731970A (fr) 1969-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse