Device for transferring electrical signals and electric energy to the memory device of a cassette
First Claim
1. A high rate digital data transfer device comprising:
- a radiation sensitive recording material processor having a feed in location for receiving a cassette containing radiation sensitive recording material, said processor having a power unit including a source of a supply voltage, an energy transmitter circuit for converting said supply voltage into a radio frequency voltage, and first galvanically insulated coupling interface for transmitting said radio frequency voltage;
a cassette containing radiation sensitive material, said cassette carrying a digital data memory, an energy receiver circuit for converting a radio frequency voltage into a supply voltage applied to said digital data memory, and a second galvanically insulated coupling interface connected to said energy receiver circuit for receiving a radio frequency voltage;
wherein stationarily positioning said cassette at said feed in location of said processor, results in coupling of said second coupling interface with said first coupling interface, so as to transfer said radio frequency supply voltage from said processor to said cassette memory.
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Accused Products
Abstract
A device is disclosed for transferring electrical signals and electric energy to a data memory (6) of a cassette (1) for radiation-sensitive recording material (11), the memory being connectable to a signal processing unit (4) and a power source (5) of a cassette identification apparatus (2). Means are provided between cassette (1) and cassette identification apparatus (2) for radio-frequency and galvanically insulated transfer of the signals and the electric energy. Such means feature a coupling device (3) having capacitive, inductive or opto-electric coupling elements that are resistant to corrosion, soiling and wear. Furthermore, the means comprise a signal processing unit (4) having signal transmitter circuits (41, 42, 43) and signal receiver circuits (44, 45, 46) for radio-frequency signals, and a power source (5) having an energy transmitter circuit (52) and an energy receiver circuit (53) for a radio-frequency voltage. The signal processing unit (4) is provided with a microprocessor-controlled CPU (40) for producing and processing the signals, and the energy transmitter circuit (52) features an oscillator circuit (51) for producing the radio-frequency voltage, said oscillator circuit being controllable by means of the signals emitted by the CPU. The energy receiver circuit (53) comprises a signal separating circuit (54) to produce a signal for activating the memory (6).
38 Citations
20 Claims
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1. A high rate digital data transfer device comprising:
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a radiation sensitive recording material processor having a feed in location for receiving a cassette containing radiation sensitive recording material, said processor having a power unit including a source of a supply voltage, an energy transmitter circuit for converting said supply voltage into a radio frequency voltage, and first galvanically insulated coupling interface for transmitting said radio frequency voltage; a cassette containing radiation sensitive material, said cassette carrying a digital data memory, an energy receiver circuit for converting a radio frequency voltage into a supply voltage applied to said digital data memory, and a second galvanically insulated coupling interface connected to said energy receiver circuit for receiving a radio frequency voltage; wherein stationarily positioning said cassette at said feed in location of said processor, results in coupling of said second coupling interface with said first coupling interface, so as to transfer said radio frequency supply voltage from said processor to said cassette memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification