CA976487A - Sound reproduction apparatus - Google Patents

Sound reproduction apparatus

Info

Publication number
CA976487A
CA976487A CA160,816A CA160816A CA976487A CA 976487 A CA976487 A CA 976487A CA 160816 A CA160816 A CA 160816A CA 976487 A CA976487 A CA 976487A
Authority
CA
Canada
Prior art keywords
reproduction apparatus
sound reproduction
sound
reproduction
Prior art date
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
CA160,816A
Other languages
English (en)
Other versions
CA160816S (en
Inventor
Stephen A. Platt
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA976487A publication Critical patent/CA976487A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
CA160,816A 1972-01-19 1973-01-09 Sound reproduction apparatus Expired CA976487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21910572A 1972-01-19 1972-01-19

Publications (1)

Publication Number Publication Date
CA976487A true CA976487A (en) 1975-10-21

Family

ID=22817901

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,816A Expired CA976487A (en) 1972-01-19 1973-01-09 Sound reproduction apparatus

Country Status (8)

Country Link
JP (1) JPS4912801A (xx)
CA (1) CA976487A (xx)
DE (1) DE2301292A1 (xx)
FR (1) FR2168493B3 (xx)
GB (1) GB1412200A (xx)
IL (1) IL41285A0 (xx)
IT (1) IT978120B (xx)
NL (1) NL7300675A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01168998A (ja) * 1987-12-21 1989-07-04 Kiyoo Shimomura 紙製品の模様付け方法

Also Published As

Publication number Publication date
IL41285A0 (en) 1973-03-30
FR2168493A1 (xx) 1973-08-31
JPS4912801A (xx) 1974-02-04
DE2301292A1 (de) 1973-07-26
GB1412200A (en) 1975-10-29
FR2168493B3 (xx) 1976-01-23
IT978120B (it) 1974-09-20
NL7300675A (xx) 1973-07-23

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