WO2000013181A3 - Audio cassette emulator with cryptographic media distribution control - Google Patents

Audio cassette emulator with cryptographic media distribution control Download PDF

Info

Publication number
WO2000013181A3
WO2000013181A3 PCT/US1999/019318 US9919318W WO0013181A3 WO 2000013181 A3 WO2000013181 A3 WO 2000013181A3 US 9919318 W US9919318 W US 9919318W WO 0013181 A3 WO0013181 A3 WO 0013181A3
Authority
WO
WIPO (PCT)
Prior art keywords
digital
cassette
audio
memory
tape
Prior art date
Application number
PCT/US1999/019318
Other languages
French (fr)
Other versions
WO2000013181A2 (en
Inventor
Addison M Fischer
Robert L Protheroe
Original Assignee
Smartdisk 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
Priority claimed from US09/363,413 external-priority patent/US7436957B1/en
Priority claimed from US09/363,411 external-priority patent/US6941180B1/en
Application filed by Smartdisk Corp filed Critical Smartdisk Corp
Priority to AU56893/99A priority Critical patent/AU5689399A/en
Publication of WO2000013181A2 publication Critical patent/WO2000013181A2/en
Publication of WO2000013181A3 publication Critical patent/WO2000013181A3/en

Links

Classifications

    • 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
    • G11B25/046—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 using stationary discs, or cards provided with a circular recording area

Abstract

A device of the same general physical size and shape as a standard audio cassette tape, but which accepts digital information from any of a variety of sources - including for example: Internet transmission, a digital computer, or memory cards (especially digital memory cards) - and plays this digital information through any, for example, standard audio tape cassette player. The device operates by converting the digital representation of the sound into magnetic signals which are presented to the read/write head of the cassette player equipment. The device allows the user of the cassette player to regulate the audio playback using conventional equipment controls such as: START, STOP, REWIND, FAST REWIND, FORWARD, FAST FOWARD, etc. The device has the same general physical dimensions of a standard audio cassette; at least one digital processor; and a slot into which electronic media such as, for example, memory cards, smart cards having a processor and a memory embodied thereon and other memory media may be inserted. Numerous sensors detect changes in at least one of the tape equipment mechanisms in the audio cassette emulator. Various cryptographic techniques are described for protecting the unauthorized distribution of audio information.
PCT/US1999/019318 1998-08-27 1999-08-25 Audio cassette emulator with cryptographic media distribution control WO2000013181A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU56893/99A AU5689399A (en) 1998-08-27 1999-08-25 Audio cassette emulator with cryptographic media distribution control

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US11269898P 1998-08-27 1998-08-27
US60/112,698 1998-08-27
US13855199P 1999-06-10 1999-06-10
US60/138,551 1999-06-10
US09/363,411 1999-07-29
US09/363,413 US7436957B1 (en) 1998-08-27 1999-07-29 Audio cassette emulator with cryptographic media distribution control
US09/363,411 US6941180B1 (en) 1998-08-27 1999-07-29 Audio cassette emulator
US09/363,413 1999-07-29

Publications (2)

Publication Number Publication Date
WO2000013181A2 WO2000013181A2 (en) 2000-03-09
WO2000013181A3 true WO2000013181A3 (en) 2002-10-17

Family

ID=27493874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/019318 WO2000013181A2 (en) 1998-08-27 1999-08-25 Audio cassette emulator with cryptographic media distribution control

Country Status (1)

Country Link
WO (1) WO2000013181A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6316912B1 (en) 2000-07-27 2001-11-13 Philips Electronics North America Corp. Power generating device having a form factor suitable for insertion into a player device
EP1583334A1 (en) * 2004-04-02 2005-10-05 Istituto Superiore Mario Boella sulle Tecnologie dell'Informazione e delle Telecomunicazioni Hands-free kit for a mobile phone comprising an audio cassette-like device for insertion in an audio cassette player

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055947A (en) * 1988-07-06 1991-10-08 Tdk Corporation Cassette for storing data in a solid state memory in lieu of tape
US5159182A (en) * 1988-12-12 1992-10-27 Smartdiskette Gmbh Smart data storage device
DE4135220C1 (en) * 1991-10-25 1993-04-08 Smartdiskette Gmbh, 6270 Idstein, De
WO1996038837A2 (en) * 1995-05-25 1996-12-05 Voquette Network Ltd. A vocal information system
US5584043A (en) * 1991-06-26 1996-12-10 Smartdiskette Gmbh Apparatus having a smart card accomodated by a diskette frame containing processor memory and battery power for interfacing with a standard diskette drive
US5654942A (en) * 1995-07-11 1997-08-05 Sony Corporation Wireless voice messaging device for use with cassette player
WO1999038115A1 (en) * 1998-01-26 1999-07-29 Smartdisk Corporation Adapter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055947A (en) * 1988-07-06 1991-10-08 Tdk Corporation Cassette for storing data in a solid state memory in lieu of tape
US5159182A (en) * 1988-12-12 1992-10-27 Smartdiskette Gmbh Smart data storage device
US5584043A (en) * 1991-06-26 1996-12-10 Smartdiskette Gmbh Apparatus having a smart card accomodated by a diskette frame containing processor memory and battery power for interfacing with a standard diskette drive
DE4135220C1 (en) * 1991-10-25 1993-04-08 Smartdiskette Gmbh, 6270 Idstein, De
WO1996038837A2 (en) * 1995-05-25 1996-12-05 Voquette Network Ltd. A vocal information system
US5654942A (en) * 1995-07-11 1997-08-05 Sony Corporation Wireless voice messaging device for use with cassette player
WO1999038115A1 (en) * 1998-01-26 1999-07-29 Smartdisk Corporation Adapter

Also Published As

Publication number Publication date
WO2000013181A2 (en) 2000-03-09

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