JPS64802U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a circuit configuration block diagram showing an embodiment of the recording control circuit of the multi-track magnetic card recording/playback device according to the present invention, FIG. 2 is a front view showing an example of the multi-track magnetic card, and FIG. An explanatory diagram showing an example of a method for moving a magnetic card, FIG. 4 is a circuit configuration block diagram of a waveform shaper, FIG. 5 is a waveform diagram explaining the action of the waveform shaper, and FIG. 6 is a multi-track diagram according to the present invention. A circuit configuration block diagram showing an embodiment of a playback control circuit of a magnetic card recording/playback device, FIG. 7 is a configuration diagram of the sampling pulse generation section shown in FIG. 6, and FIG. 8 is a multi-track magnetic circuit diagram according to the present invention. A schematic configuration diagram showing an embodiment of a recording/playback device for cards; FIGS. 9 and 10 are explanatory diagrams showing examples of allocation of digital information in memory to each magnetic track;
FIG. 11 is a flowchart showing the recording operation of the multi-track magnetic card recording/playback device according to the present invention, FIG. 12 is a time chart of the recording operation, and FIG.
The figure is a time chart explaining the operation of the sampling pulse generator in the embodiment, FIG. 14 is a time chart showing the output timing of the control pulse generator in the embodiment, and FIG. 15 is the OR circuit shown in FIG. FIG. 16 is an explanatory diagram showing another embodiment of creating a driving signal for the sampling pulse, and FIG. 16 is an explanatory diagram of another embodiment of timing settings for creating and stopping sampling pulses. FIG. FIG. 18 is a time chart illustrating pulse generation timing and is an explanatory diagram of the recording state when a series of analog information is divided into two tracks and recorded. 10...Control signal detection head, 12a, 12b
, 12i, 12m...magnetic head, 14...recording control circuit, 16...playback control circuit, 26...recording control section, 28, 104...memory, 30...recording information conversion section, 46...magnetism Card, 50...Control signal, 86...Input unit, 96...Reproduction information conversion unit, 106...Output unit, 114...Reproduction control unit, _T0 ...Control signal track, Ta, Tm...Magnetic truck.

Claims (1)

[Scope of utility model registration request] a magnetic head that writes information to or reads information from a plurality of magnetic tracks provided on a magnetic card; a memory that temporarily stores analog information written or read by the magnetic head as digital information; A recording/playback control signal written on any one of a plurality of magnetic tracks, a control signal detection head that detects the recording/playback control signal, and a control signal detection head that detects the recording/playback control signal detected by the control signal detection head. A multi-track magnetic field comprising: an information conversion unit that synchronously converts digital information in the memory into analog information during recording and converts analog information read by the magnetic head into digital information during playback. Recording/playback device for cards.