Method for and apparatus of monitoring how an operator operates a machine
First Claim
1. A device for use with a vehicle comprising a recorder to be mounted on the vehicle;
- said recorder including a first programmable logic circuit, an analog to digital converter having an input to be connected to a measuring instrument on an instrument panel of the vehicle, and a memory circuit for recording at determined periods of time a digital signal commensurate with the output value of the converter; and
a reader to be kept by an owner of the vehicle and to be temporarily connected from time to time to the recorder, said reader including a second programmable logic circuit, manually activated digital signal source for deriving a digital value introduced by an owner of the vehicle, and a readout device;
the first and second programmable logic circuits being programmed to exchange binary signals while the recorder and reader are connected so that each time the recorder and reader are connected, the reader logic circuit;
(a) compares a first code stored in the recorder with a second code stored in the reader, (b) authorizes a further coupling of signals from the recorder to the reader in response to the compared first and second codes having a predetermined relation, (c) is activated to read a digital signal representing the value stored in the memory circuit of the recorder in response to the existence of the predetermined relation and (d) transmits a digital signal representing said stored signal to a read-out device of the reader to be read by the owner;
the first and second programmable circuits being programmed so that, while the recorder and reader are connected with the vehicle in operation while the measuring instrument is deriving a non-zero value, the second programmable logic circuit responds to an introduced digital value derived from the manually activated digital signal source introduced by the owner of the vehicle, said introduced digital value being identical to a value indicated by the measuring instrument, the first logic circuit being programmed to respond to the digital signal value derived by the converter and to calculate a coefficient corresponding to the relative values of the introduced digital value generated by the digital signal source and the digital signal value derived by the converter for permanently storing said coefficient so that during subsequent connections of the recorder and reader, the first logic circuit responds to the stored value and multiplies it by said stored coefficient, the first and second logic circuits being programmed so the result is a signal having a value transmitted to the readout device to be read by the vehicle owner.
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Accused Products
Abstract
Performance of a helicopter is evaluated with an apparatus including a recorder section and a reader section interconnected during a start-up period while the pilot is initially operating the helicopter. The recorder includes two analog to digital converters connected across temperature and rotor torque sensors of the helicopter. The converters derive digital signals having values representing the amplitudes of analog signals derived by the sensors. The recorder section has a first logic network that couples the digital signals with a data collecting memory. The reader section includes a second logic network, a digital read-out device and manually activated coding wheels for deriving numeric representing digital signals. The first and second logic networks are programmed so that: (a) during the start-up period numeric representing digital signals derived from the coding wheels and corresponding with the values of readings of meters responsive to the sensors are coupled from the reader to the data memory, and (b) during operation of the helicopter, while the reader and recorder are not connected, digital signals from the converters having values commensurate with readings of the meters are supplied to the first logic network. The first logic network responds to the digital signals from the converters to store in the data memory digital values derived from the converters. After operation of the helicopter has been completed, and while the recorder and reader are interconnected, the first and second logic networks are interconnected so that the second logic network supplies to the digital read-out device numerical values commensurate with the relative values of the numeric representing digital signals derived during (a) and the digital signals derived and stored during (b).
21 Citations
16 Claims
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1. A device for use with a vehicle comprising a recorder to be mounted on the vehicle;
- said recorder including a first programmable logic circuit, an analog to digital converter having an input to be connected to a measuring instrument on an instrument panel of the vehicle, and a memory circuit for recording at determined periods of time a digital signal commensurate with the output value of the converter; and
a reader to be kept by an owner of the vehicle and to be temporarily connected from time to time to the recorder, said reader including a second programmable logic circuit, manually activated digital signal source for deriving a digital value introduced by an owner of the vehicle, and a readout device;
the first and second programmable logic circuits being programmed to exchange binary signals while the recorder and reader are connected so that each time the recorder and reader are connected, the reader logic circuit;
(a) compares a first code stored in the recorder with a second code stored in the reader, (b) authorizes a further coupling of signals from the recorder to the reader in response to the compared first and second codes having a predetermined relation, (c) is activated to read a digital signal representing the value stored in the memory circuit of the recorder in response to the existence of the predetermined relation and (d) transmits a digital signal representing said stored signal to a read-out device of the reader to be read by the owner;
the first and second programmable circuits being programmed so that, while the recorder and reader are connected with the vehicle in operation while the measuring instrument is deriving a non-zero value, the second programmable logic circuit responds to an introduced digital value derived from the manually activated digital signal source introduced by the owner of the vehicle, said introduced digital value being identical to a value indicated by the measuring instrument, the first logic circuit being programmed to respond to the digital signal value derived by the converter and to calculate a coefficient corresponding to the relative values of the introduced digital value generated by the digital signal source and the digital signal value derived by the converter for permanently storing said coefficient so that during subsequent connections of the recorder and reader, the first logic circuit responds to the stored value and multiplies it by said stored coefficient, the first and second logic circuits being programmed so the result is a signal having a value transmitted to the readout device to be read by the vehicle owner. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- said recorder including a first programmable logic circuit, an analog to digital converter having an input to be connected to a measuring instrument on an instrument panel of the vehicle, and a memory circuit for recording at determined periods of time a digital signal commensurate with the output value of the converter; and
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8. Apparatus for monitoring how an operator operates a machine having a sensor for a variable value operating parameter and a meter responsive to the sensor, the sensor deriving an analog signal having an amplitude indicative of the variable value of the operating parameter, the meter including a display to be read by the operator and indicating the performance of the operator, the apparatus comprising:
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a recorder section and a reader section, said sections to be interconnected during a start-up period while the operator is initially operating the machine; the recorder section including;
means to be connected across the sensor for deriving a digital signal having a value representing the amplitude of the analog signal derived by the sensor, a data collecting memory, and a first logic network, the first logic network being connected to be responsive to the digital signal having a value representing the amplitude of the analog signal derived by the sensor and to couple digital signals with the memory;the reader section including a second logic network, a digital read-out device and manually activated means for supplying numeric representing digital signals to the second logic network, the second logic network being connected to couple digital signals with the read-out device; the first and second logic networks being programmed so that;
(a) during the start-up period a numeric representing digital signal derived from the manually activated means and corresponding with the value of a reading of the meter is coupled from the reader to a memory, and (b) during operation of the machine, while the reader and recorder are not connected, digital signals from the converter means having values commensurate with readings of the meter are supplied to the first logic network, the first logic network responding to the digital signals from the converter means to store in said data memory digital values derived from the converter means, and (c) after operation of the machine has been completed, and while the recorder and reader are interconnected, the first and second logic networks are interconnected so that the second logic network supplies to the digital read out device numerical values commensurate with the relative value of the numeric digital signals representing the digital signals derived and stored during machine operation (b). - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of monitoring how an operator operates a machine having a sensor for a variable value operating parameter and a meter responsive to the sensor, the sensor deriving an analog signal having an amplitude indicative of the variable value of the operating parameter, the method being performed with an apparatus including a recorder section and a reader section, the recorder section including means to be connected across the sensor for deriving a digital signal having a value representing the amplitude of the analog signal derived by the sensor, a data collecting memory, and a first logic network;
- the reader section including a second logic network, a digital readout device and manually activated means for supplying numeric representing digital signals to the second logic network;
the method comprising the steps of;activating said sections and said digital signal deriving means so the sections are interconnected during a start-up period while the operator is initially operating the machine and the means for deriving the digital signal is connected across the sensor, whereby during the start-up period the digital signal has a value representing the amplitude of the analog signal derived by the sensor; during the start-up period;
(i) coupling the digital signal having a value representing the amplitude of the analog signal derived by the sensor to the data collecting memory, (ii) connecting the second logic network with the manually activated means while the manually activated means supplies numeric representing digital signals to the second logic network, (iii) activating the manually activated means to a value commensurate with a maximum value being read on the meter, and (iv) coupling the numeric value representing the maximum value from the manually activated means from the reader to a memory;activating the reader and recorder so the reader and recorder are disconnected during operation of the machine by the operator; during operation of the machine by the operator, coupling digital signals having values commensurate with readings of the meter from the converter means to the data memory; activating the recorder and reader so the second logic network is connected with the read-out device after operation of the machine has been completed so that the second logic network supplies to the read-out device digital signals representing values commensurate with the relative value of the numeric and the digital signals derived while the machine is being operated; and monitoring the relative values to determine how the operator operates the machine. - View Dependent Claims (16)
- the reader section including a second logic network, a digital readout device and manually activated means for supplying numeric representing digital signals to the second logic network;
Specification