Programmable interface for a physiological signal recording device
First Claim
1. An apparatus (10) for recording a physiological signal, comprising:
- a first analog signal input for accepting one or more first signals corresponding to said physiological signal,a first set of plugs (14) adapted to receive one or more of said first signals, wherein said first signals are to be recorded;
a processing circuit for recording data corresponding to said first signals; and
a programmable interface adapted for transferring one or more second signals comprising;
at least one voltage supply plug,at least one ground plug,at least one digital plug, operatively connected to the processing circuit,at least one mixed input/output analog/digital (MAD) plug connected to said first analog signal input, anda logic circuit operable to control a transfer of said second signals at the programmable interface, wherein the MAD plug is operatively connected to said logic circuit.
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Abstract
A programmable interface for typical Holter machine for recording a physiological signal, notably of cardiac activity. This apparatus (10) comprises the normal plugs (14) for connection to external electrodes and a processing circuit (20) for acquiring and recording the physiological signal, and a programmable interface comprising: at least one voltage supply plug (and preferably two supply plugs V+, V-), at least one ground plug, at least one digital plug (preferably two or more digital plugs D1, D2), cooperating with the processing circuit (20), at least one analog/digital mixed plug (A/D3), on the one hand connected to an analog signal input of the machine, and on the other hand cooperating with the aforementioned processor circuit, and a logic circuit (28) for programming the interface to transfer signals through the plugs of the interface.
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Citations
21 Claims
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1. An apparatus (10) for recording a physiological signal, comprising:
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a first analog signal input for accepting one or more first signals corresponding to said physiological signal, a first set of plugs (14) adapted to receive one or more of said first signals, wherein said first signals are to be recorded; a processing circuit for recording data corresponding to said first signals; and a programmable interface adapted for transferring one or more second signals comprising; at least one voltage supply plug, at least one ground plug, at least one digital plug, operatively connected to the processing circuit, at least one mixed input/output analog/digital (MAD) plug connected to said first analog signal input, and a logic circuit operable to control a transfer of said second signals at the programmable interface, wherein the MAD plug is operatively connected to said logic circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. In a Holter machine for recording a physiological signal including a first interface having a plurality of plugs, an amplifier having an input coupled to at least one of said plurality of plugs and an output, an analog-to-digital converter having an analog input operatively connected to said amplifier output to sample analog signals and convert sampled analog signals to a digital signal, and a processor operable to operate said analog-to-digital converter and process said digital signals to obtain a signal representative of said physiological signal and record said obtained signal in a memory, wherein the improvement comprises:
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a second interface having a second plurality of plugs, said second plurality of plugs including at least one digital signal plug and at least one mixed plug, said mixed plug having an input/output analog operating mode and an input/output digital operating mode and being operatively connected to said analog-to-digital converter; and a logic circuit connected to said mixed plug and said digital plug and to said processor, said logic circuit being operable to control a transmission of signals through said second interface. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification