G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 23/36 (2006.01) G11B 15/07 (2006.01) G11B 23/087 (2006.01) G11B 23/30 (2006.01) G11B 25/06 (2006.01) H05K 1/02 (2006.01) H05K 3/22 (2006.01)
Patent
CA 2097410
The present invention provides a recording medium cassette capable of being optionally provided with additional identifiers and of being easily miniaturized if necessary and having satisfactory appearance, and a recording and/or reproducing apparatus, such as a VTR, designed to use the same recording medium cassette. The recording medium cassette is provided with a printed wiring board having a plurality of information indicating contacts and fixed to the bottom wall of the case of the recording medium cassette so that the information indicating contacts are accessible from outside through slots formed in the bottom wall. The recording and/or reproducing apparatus is provided with a plurality of information detecting contacts respectively corresponding to the information indicating contacts of the recording medium cassette. A supply voltage is applied through one of the information detecting contacts to the corresponding information indicating contact. The rest of the information indicating contacts are connected to or isolated from the information indicating contact to which the supply voltage is applied so as to indicate logical "0" or logical "1" to represent information by'a binary code signal, which is detected through the information detecting contacts. Further, a VTR designed to use both a small-sized tape cassette having a mouth and a printed wiring board provided with a plurality of information indicating contacts, and a large-sized tape cassette having a mouth, which is to be positioned at a position where the mouth of the small-sized tape cassette is to be positioned, and a printed wiring board provided with a plurality of information indicating contacts, which are to be positioned at positions where the corresponding information indicating contacts of the small-sized tape cassette are to be positioned i.e., recording medium cassettes, is provided with an information detecting system of a simple configuration for detecting information indicated by the information indicating contacts about the status of the tape cassette inserted therein. The printed wiring board is fixed to one of the walls of the case of the tape cassette so that the information indicating contacts are accessible from outside through contact slots formed in the wall of the case. The VTR is provided with a connector provided with elastic information detecting contacts which come into elastic contact with the information indicating contacts, respectively, when the tape cassette is inserted into the VTR.
Fujii Hiroshi
Hasegawa Shinichi
Morii Tetsuro
Ota Shuichi
Sawada Takashi
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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