US6556630B1 — Dual band telemetry system

Claim 1

Independent Claim 111 words

A dual band telemetry system comprising: a first antenna tuned to receive a signal having a frequency in a first RF band; a second antenna tuned to receive a signal having a frequency in a second RF band; a down converter for producing a frequency translation signal; a mixer coupled to the second antenna and to the down converter such that the mixer uses the signal received by the second antenna and the frequency translation signal to produce a signal having a frequency in the first RF band; and a combiner for combining the signal having a frequency in the first RF band with the signal received by the first antenna.

Claim 2

Dependent Claim 111 words

A dual band telemetry system comprising: a first antenna tuned to receive a signal having a frequency in a first RF band; a second antenna tuned to receive a signal having a frequency in a second RF band; a down converter for producing a frequency translation signal; a mixer coupled to the second antenna and to the down converter such that the mixer uses the signal received by the second antenna and the frequency translation signal to produce a signal having a frequency in the first RF band; and a combiner for combining the signal having a frequency in the first RF band with the signal received by the first antenna.

Claim 3

Dependent Claim 29 words

A dual band telemetry system as set forth in claim 1 , wherein the first RF band is the UHF band and the second RF band is the L-band.

Claim 4

Dependent Claim 51 words

A dual band telemetry system as set forth in claim 1 , wherein the down converter further comprises: an oscillator; a synthesizer; and a filter, the oscillator, the synthesizer, and the filter coupled in a series loop, the synthesizer coupled to a temperature controlled oscillator and a processor having an input.

Claim 5

Dependent Claim 87 words

A dual band telemetry system set forth in claim 1 , further comprising: a first band pass filter coupled between the first antenna and the combiner and for blocking signals having frequencies outside a predetermined channel in the first RF band; a second band pass filter coupled between the second antenna and the mixer and for blocking signals having frequencies outside the second RF band; and a third band pass filter coupled between the mixer and the combiner and for blocking signals outside the first RF band.

Claim 6

Dependent Claim 30 words

A dual band telemetry system as set forth in claim 4 , further comprising: a transmission line coupled to the combiner and for carrying signals in the first RF band.

Claim 7

Dependent Claim 28 words

A dual band telemetry system as set forth in claim 4 , further comprising: an amplifier coupled to the combiner; and a low-pass filter coupled to the amplifier.

Claim 8

Dependent Claim 203 words

A dual band telemetry system comprising: a first telemetry transmitter for acquiring patient data and transmitting the patient data in a first signal having a frequency in a first RF band; a second telemetry transmitter for acquiring patient data and transmitting the patient data in a second signal having a frequency in a second RF band; an antenna array for receiving the first and second signals from the first and second telemetry transmitters, the antenna array including a first antenna tuned to receive a signal having a frequency in the first RF band, a second antenna tuned to receive a signal having a frequency in the second RF band, a down converter for producing a frequency translation signal, a mixer coupled to the second antenna and to the down converter, the mixer for using the signal received by the second antenna and the frequency translation signal to produce a signal having a frequency in the first RF band; and a combiner for combining the signal having a frequency in the first RF band with the signal received by the first antenna; a receiver subsystem coupled to the combiner; and a central station coupled to the receiver subsystem and for receiving the patient data.

Claim 9

Dependent Claim 203 words

A dual band telemetry system comprising: a first telemetry transmitter for acquiring patient data and transmitting the patient data in a first signal having a frequency in a first RF band; a second telemetry transmitter for acquiring patient data and transmitting the patient data in a second signal having a frequency in a second RF band; an antenna array for receiving the first and second signals from the first and second telemetry transmitters, the antenna array including a first antenna tuned to receive a signal having a frequency in the first RF band, a second antenna tuned to receive a signal having a frequency in the second RF band, a down converter for producing a frequency translation signal, a mixer coupled to the second antenna and to the down converter, the mixer for using the signal received by the second antenna and the frequency translation signal to produce a signal having a frequency in the first RF band; and a combiner for combining the signal having a frequency in the first RF band with the signal received by the first antenna; a receiver subsystem coupled to the combiner; and a central station coupled to the receiver subsystem and for receiving the patient data.

Claim 10

Dependent Claim 29 words

A dual band telemetry system as set forth in claim 7 , wherein the first RF band is the UHF band and the second RF band is the L-band.

Claim 11

Dependent Claim 51 words

A dual band telemetry system as set forth in claim 7 , wherein the down converter further comprises: an oscillator; a synthesizer; and a filter, the oscillator, the synthesizer, and the filter coupled in a series loop, the synthesizer coupled to a temperature controlled oscillator and a processor having an input.

Claim 12

Dependent Claim 87 words

A dual band telemetry system set forth in claim 7 , further comprising: a first band pass filter coupled between the first antenna and the combiner and for blocking signals having frequencies outside a predetermined channel in the first RF band; a second band pass filter coupled between the second antenna and the mixer and for blocking signals having frequencies outside the second RF band; and a third band pass filter coupled between the mixer and the combiner and for blocking signals outside the first RF band.

Claim 13

Dependent Claim 30 words

A dual band telemetry system as set forth in claim 10 , further comprising a transmission line coupled to the combiner and for carrying signals in the first RF band.

Claim 14

Dependent Claim 28 words

A dual band telemetry system as set forth in claim 10 , further comprising an amplifier coupled to the combiner; and a low-pass filter coupled to the amplifier.

Claim 15

Dependent Claim 95 words

A dual band telemetry system comprising: a first antenna tuned to receive a signal having a frequency in a first frequency band; a combiner coupled to the first antenna; a second antenna tuned to receive a signal having a frequency in a second frequency band; a mixer coupled to the second antenna and the combiner; and an oscillator coupled to the mixer and having an output, and wherein the mixer is configured to mix signals received from the second antenna with the output of the oscillator to produce a signal within the first frequency band.

Claim 16

Dependent Claim 95 words

A dual band telemetry system comprising: a first antenna tuned to receive a signal having a frequency in a first frequency band; a combiner coupled to the first antenna; a second antenna tuned to receive a signal having a frequency in a second frequency band; a mixer coupled to the second antenna and the combiner; and an oscillator coupled to the mixer and having an output, and wherein the mixer is configured to mix signals received from the second antenna with the output of the oscillator to produce a signal within the first frequency band.

Claim 17

Dependent Claim 67 words

A dual band telemetry system as set forth in claim 13 , wherein the first antenna is tuned to receive a signal in a first channel within the first frequency band, the second antenna is tuned to receive a signal in a first channel within the second frequency band, and the mixer is operable to produce a signal in a second channel within the first frequency band.

Claim 18

Dependent Claim 29 words

A dual band telemetry system as set forth in claim 14 , wherein the first frequency band is the UHF band and the second frequency band is the L-band.

Claim 19

Dependent Claim 36 words

A dual band telemetry system as set forth in claim 15 , further comprising a transmission line coupled to the combiner and for carrying signals in the first and second channels and an input power signal.

Claim 20

Dependent Claim 116 words

A dual band telemetry system as set forth in claim 13 , further comprising: a first telemetry transmitter for acquiring patient data and transmitting the patient data in a first signal having a frequency in the first frequency band; a second telemetry transmitter for acquiring patient data and transmitting the patient data in a second signal having a frequency in the second frequency band; a receiver subsystem coupled to the combiner; and a central station coupled to the receiver subsystem and for receiving the patient data, wherein the first antenna is tuned to receive the first signal from the first transmitter and the second antenna is tuned to receive the second signal from the second transmitter.

Claim 21

Dependent Claim 34 words

A dual band telemetry system as set forth in claim 17 , further comprising: a synthesizer; and a filter, such that the oscillator, the synthesizer, and the filter are coupled in a series loop.

Claim 22

Dependent Claim 33 words

A dual band telemetry system as set forth in claim 18 , further comprising: a processor coupled to the synthesizer and having an input; and a temperature controlled oscillator coupled to the synthesizer.

Claim 23

Dependent Claim 93 words

A dual band telemetry system as set forth in claim 14 , further comprising: a first band pass filter coupled between the first antenna and the combiner and for blocking signals having frequencies outside the first channel in the first frequency band; a second band pass filter coupled between the second antenna and the mixer and for blocking signal having frequencies outside the first channel in the second frequency band; and a third band pass filter coupled between the mixer and the combiner and for blocking signals outside of the first frequency band.

Claim 24

Dependent Claim 28 words

A dual band telemetry system as set forth in claim 20 , further comprising an amplifier coupled to the combiner; and a low-pass filter coupled to the amplifier.

Claim 25

Independent Claim 79 words

A method of monitoring patients in a care unit, the method comprising: acquiring a patient data signal from a first transmitter that operates in a first frequency band; acquiring a patient data signal from a second transmitter that operates in a second frequency band; converting the patient data signal from the second transmitter to a third signal in the first frequency band; combining the first and third signals; and delivering the combined first and third signals to a receiver.

Claim 26

Independent Claim 79 words

A method of monitoring patients in a care unit, the method comprising: acquiring a patient data signal from a first transmitter that operates in a first frequency band; acquiring a patient data signal from a second transmitter that operates in a second frequency band; converting the patient data signal from the second transmitter to a third signal in the first frequency band; combining the first and third signals; and delivering the combined first and third signals to a receiver.

Claim 27

Dependent Claim 26 words

A method as set forth in claim 22 , wherein the first frequency band is the UHF band and the second frequency band is the L-band.

Claim 28

Dependent Claim 75 words

A method as set forth in claim 22 , wherein the act of acquiring a patient data signal from a first transmitter is accomplished using a first antenna tuned to receive a signal in a first channel within the first frequency band, and the act of acquiring a patient data signal from a second transmitter is accomplished using a second antenna tuned to receive a signal in a first channel within the second frequency band.

Claim 29

Dependent Claim 45 words

A method as set forth in claim 22 , wherein the act of converting the patient data signal from the second transmitter to a third signal includes mixing the patient data signal from the second transmitter with a frequency translation signal from a local oscillator.

Claim 30

Dependent Claim 30 words

A method as set forth in claim 22 , further comprising filtering the combined first and third signals prior to delivering the combined first and third signals to a receiver.

Claim 31

Dependent Claim 32 words

A method as set forth in claim 22 , further comprising filtering the patient data signal from a first transmitter to remove frequencies outside a first channel in the first frequency band.

Claim 32

Dependent Claim 32 words

A method as set forth in claim 22 , further comprising filtering the patient data signal from a second transmitter to remove frequencies outside a first channel in the second frequency band.

Claim 33

Dependent Claim 24 words

A method as set forth in claim 22 , further comprising filtering the third signal to remove frequencies outside of the first frequency band.

Claim 34

Dependent Claim 21 words

A method as set forth in claim 22 , further comprising processing the first and third signals at a central station.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2006-04-28	2006-10-28	2007-04-29	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2010-04-28	2010-10-28	2011-04-29	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2014-04-28	2014-10-28	2015-04-29	$7700.00	Window Closed / Lapsed

Dual band telemetry system

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