CA1040316A - Systeme d'enregistrement optique et magnetique - Google Patents

Systeme d'enregistrement optique et magnetique

Info

Publication number: CA1040316A
Authority: CA; Canada
Prior art keywords: magnetic; backing; head; recording; character
Prior art date: 1974-04-08
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

Application number

CA269,017A

Other languages

English (en)

Inventor

Robert J. Graf

Matthew J. Relis

Joseph R. Andreaggi

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.)

Individual

Original Assignee

Individual

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.)

1974-04-08

Filing date

1976-12-31

Publication date

1978-10-10

1976-12-31 Application filed by Individual filed Critical Individual

1977-07-20 Priority to CA283,173A priority Critical patent/CA1040304A/fr

1978-10-10 Application granted granted Critical

1978-10-10 Publication of CA1040316A publication Critical patent/CA1040316A/fr

Status Expired legal-status Critical Current

Links

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Landscapes

Recording Or Reproducing By Magnetic Means (AREA)

CA269,017A 1974-04-08 1976-12-31 Systeme d'enregistrement optique et magnetique Expired CA1040316A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA283,173A CA1040304A (fr)	1976-12-31	1977-07-20	Systeme d'enregistrement magnetique et optique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA197,007A CA1012646A (en)	1974-04-08	1974-04-08	Visual and magnetic recording system

Publications (1)

Publication Number	Publication Date
CA1040316A true CA1040316A (fr)	1978-10-10

Family

ID=4099662

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA197,007A Expired CA1012646A (en)	1974-04-08	1974-04-08	Visual and magnetic recording system
CA269,017A Expired CA1040316A (fr)	1974-04-08	1976-12-31	Systeme d'enregistrement optique et magnetique

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA197,007A Expired CA1012646A (en)	1974-04-08	1974-04-08	Visual and magnetic recording system

Country Status (1)

Country	Link
CA (2)	CA1012646A (fr)

1974
- 1974-04-08 CA CA197,007A patent/CA1012646A/en not_active Expired
1976
- 1976-12-31 CA CA269,017A patent/CA1040316A/fr not_active Expired

Also Published As

Publication number	Publication date
CA1012646A (en)	1977-06-21

Publication	Publication Date	Title
US2751433A (en)	1956-06-19	Character analyzing systems
US3633720A (en)	1972-01-11	Alphanumeric printing device employing magnetically positionable particles
US2955894A (en)	1960-10-11	Page printing apparatus
US2811103A (en)	1957-10-29	Line justifying means and method in selective printing machines
US2919171A (en)	1959-12-29	Page printing apparatus
US2079310A (en)	1937-05-04	Mechanism for producing printing plates by electric arcs
GB1561397A (en)	1980-02-20	Stylus printer mechanism
US3068479A (en)	1962-12-11	Electrographic recording apparatus
US3823405A (en)	1974-07-09	Visual and magnetic recording systems
US3045218A (en)	1962-07-17	Magnetic data recording means
US3972068A (en)	1976-07-27	System for translating magnetically encoded data to visually readable characters corresponding thereto
CA1040304A (fr)	1978-10-10	Systeme d'enregistrement magnetique et optique
US3656426A (en)	1972-04-18	Apparatus for printing alphanumeric and binary code markings and comparison means therefor
US3470358A (en)	1969-09-30	Apparatus and method for circuit control from stored data
US3847262A (en)	1974-11-12	Apparatus and attachment for deriving coded signals
US3911481A (en)	1975-10-07	Visual and magnetic recording systems
US3124804A (en)	1964-03-10	Electrostatic recording head
US3905044A (en)	1975-09-09	Magnetic record and erase head
JPS5935087B2 (ja)	1984-08-27	可視的及び磁気的記録装置
US3898688A (en)	1975-08-05	Visual and magnetic record
US2802049A (en)	1957-08-06	Magnetic printer
GB915323A (en)	1963-01-09	Improvements in or relating to typewriters
US2976103A (en)	1961-03-21	Character printing graphical recorder
US3961336A (en)	1976-06-01	Electrode print head
US2982951A (en)	1961-05-02	Method and means for converting signals symbolizing information in one system of representation to signals symbolizing the same information in another system of representation