FR2091748A5 - - Google Patents

Info

Publication number
FR2091748A5
FR2091748A5 FR7117991A FR7117991A FR2091748A5 FR 2091748 A5 FR2091748 A5 FR 2091748A5 FR 7117991 A FR7117991 A FR 7117991A FR 7117991 A FR7117991 A FR 7117991A FR 2091748 A5 FR2091748 A5 FR 2091748A5
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
Application number
FR7117991A
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of FR2091748A5 publication Critical patent/FR2091748A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
FR7117991A 1970-05-21 1971-05-18 Expired FR2091748A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1970049631U JPS506340Y1 (fr) 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
FR2091748A5 true FR2091748A5 (fr) 1972-01-14

Family

ID=12836553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117991A Expired FR2091748A5 (fr) 1970-05-21 1971-05-18

Country Status (7)

Country Link
US (1) US3721774A (fr)
JP (1) JPS506340Y1 (fr)
CA (1) CA956384A (fr)
DE (1) DE2123546C3 (fr)
FR (1) FR2091748A5 (fr)
GB (1) GB1330024A (fr)
NL (1) NL175350C (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355336A (en) * 1971-02-22 1982-10-19 Block Engineering, Inc. Digitally controlled electro-optical imaging system
US3904836A (en) * 1973-02-01 1975-09-09 Lanier Electronic Lab Inc Apparatus for preferential selection and switching of plural recording machines
US3906202A (en) * 1974-03-01 1975-09-16 Monarch Marking Systems Inc Data retrieval and error detection method and apparatus designed for use in a width-modulated bar-code scanning apparatus
US3995315A (en) * 1973-10-04 1976-11-30 Minnesota Mining And Manufacturing Company Audio circuit with noise muting feature
US3959817A (en) * 1973-11-15 1976-05-25 Victor Company Of Japan, Limited Switching circuit for connecting a magnetic head in a magnetic recording and reproducing apparatus
AU474453B2 (en) * 1974-03-28 1976-07-22 Sharp K.K. Automatic program head postitioning and tape feed control for tape deck
JPS5622066B2 (fr) * 1974-05-28 1981-05-22
US4003089A (en) * 1974-12-31 1977-01-11 Motorola, Inc. Electronic channel selecting system for a quad-stereo tape player
US4086635A (en) * 1975-12-30 1978-04-25 Olympus Optical Co., Ltd. Recording and reproducing apparatus with tape seed dependent on head selection
US4079200A (en) * 1976-01-19 1978-03-14 Dictaphone Corporation Apparatus for recording replies to pre-recorded messages
DE2635002C3 (de) * 1976-08-04 1979-10-11 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Ein- und Ausblendeinrichtung an einem Magnetbandgerät
US4539436A (en) * 1977-11-30 1985-09-03 Theis Peter F Programmed conversation recording system
US4692817A (en) * 1977-11-30 1987-09-08 Morgan Industries, Inc. Programmed conversation recording system
US4366513A (en) * 1978-05-23 1982-12-28 Olympus Optical Company Limited Tape recorder with noise blanking circuit
JPS5597849U (fr) * 1978-12-27 1980-07-08
JPS5715416U (fr) * 1980-06-25 1982-01-26
EP0067061B1 (fr) * 1981-06-08 1986-10-01 Hitachi, Ltd. Appareil pour l'enregistrement et la reproduction magnétique azimutal
US4685005A (en) * 1983-07-18 1987-08-04 International Business Machines Corporation Two-module-read, read-after-write, bi-directional tape drive
EP0580925A1 (fr) * 1992-07-30 1994-02-02 STMicroelectronics S.r.l. Circuits de commande pour commuter les signaux des têtes magnétiques sur l'étage préamplificateur d'un lecteur de cassettes

Also Published As

Publication number Publication date
NL7107023A (fr) 1971-11-23
DE2123546C3 (de) 1980-01-03
US3721774A (en) 1973-03-20
NL175350C (nl) 1984-10-16
DE2123546B2 (de) 1979-05-03
JPS506340Y1 (fr) 1975-02-24
DE2123546A1 (de) 1971-12-02
CA956384A (en) 1974-10-15
GB1330024A (en) 1973-09-12
NL175350B (nl) 1984-05-16

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