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213 results about "Cassette tape" patented technology

The Compact Cassette, Compact Audio Cassette or Musicassette (MC), also commonly called the cassette tape or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback.It was developed by Philips in Hasselt, Belgium, and introduced in September 1963. Compact Cassettes come in two forms, either already containing content as a prerecorded cassette ...

Audio cassette emulator

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 FORWARD, etc. In one exemplary implementation, 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. Converter circuitry converts data stored in digital memory to an analog signal which is magnetically coupled to the read head of the equipment. Numerous sensors detect changes in at least one of the tape equipment mechanisms in the audio cassette emulator.
Owner:FISCHER ADDISON M

Audio cassette emulator with cryptographic media distribution control

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 FORWARD, 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.
Owner:FISCHER ADDISON M

Incubation station for test sample cards

Test sample cards containing biological samples are moved through an analytical instrument past a card detection device and detected by the device. The card detection device has an actuator that reciprocates relative to a housing between first and second positions. The actuator has a surface that comes into contact with the card as the card is moved past the device. The actuator carries an optical interrupt flag which is used in conjunction with an optical sensor placed in proximity to the actuator. When the card comes into contact with the actuator, the actuator is moved from the first position to the second, or retracted position. This action moves the flag relative to the optical sensor, triggering the optical sensor and a detection of the card. In one possible embodiment, multiple cards are placed in a cassette for movement around the instrument. The cassette has a number of slots for the cards, one card per slot. Each card has placed thereon indicia such as bar codes that are used for identification purposes by the instrument. The card detection device, in addition to performing the detection functions for each of the cards, also rocks the cards within the cassette slots so as to place the bar codes or other indicia into a better position for reading by a bar code reader or other appropriate reading device for the indicia.
Owner:BIOMERIEUX INC
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