Photometric process and computer controlled photometer
First Claim
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1. Photometric system using a computer controlled photoelectric measuring instrument, said system comprising:
- a photoelectric measuring transducer for converting measuring light into digital measured data;
a digital computer for controlling the measuring transducer and processing the measured data into measuring results;
an operating keyboard for controlling measuring functions of the measuring transducer and the digital computer, for entering data into the computer, and for causing said digital computer to open a time window during which said digital computer is placed into a state for receiving control data transmitted by an external reading device;
an optical display device for displaying measured results and messages of the computer; and
an interface for connecting said external reading device to the computer,said external reading device being connected with the interface for reading and transferring control data to the computer such that said computer is controlled in response to the keyboard and in response to control data introduced through the interface, said control data being recorded in a machine readable form of an external data carrier read by the reading device.
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Abstract
A computer controlled spectrophotometer is equipped with a serial interface to which a bar code reader can be connected. Using the bar code reader, calibration and configuration data or functional commands for the spectrophotometer may be read from a data carrier and transmitted to the computer in the spectrophotometer.
58 Citations
16 Claims
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1. Photometric system using a computer controlled photoelectric measuring instrument, said system comprising:
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a photoelectric measuring transducer for converting measuring light into digital measured data; a digital computer for controlling the measuring transducer and processing the measured data into measuring results; an operating keyboard for controlling measuring functions of the measuring transducer and the digital computer, for entering data into the computer, and for causing said digital computer to open a time window during which said digital computer is placed into a state for receiving control data transmitted by an external reading device; an optical display device for displaying measured results and messages of the computer; and an interface for connecting said external reading device to the computer, said external reading device being connected with the interface for reading and transferring control data to the computer such that said computer is controlled in response to the keyboard and in response to control data introduced through the interface, said control data being recorded in a machine readable form of an external data carrier read by the reading device. - View Dependent Claims (2, 3)
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4. Photometric process using a computer controlled photoelectric measuring instrument, said process comprising the steps of:
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photoelectrically measuring and converting measuring light into digital measured data; controlling the measuring and processing of the measured data into measuring results with a computer; controlling the measuring functions by operating a keyboard to enter data into the computer and to open a time window during which said computer is placed into a state for receiving control data transmitted by an external peripheral apparatus; connecting said external peripheral apparatus to an interface of the computer; and
externally reading and transferring control data to the computer via the interface such that said computer is controlled in response to the keyboard and in response to control data introduced through the interface, said control data being recorded in a machine readable form on an external data carrier which is read during said step of externally reading. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. Computer controlled spectrophotometer, comprising:
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a photoelectric measuring transducer for converting measuring light into digital measuring data; a digital computer for controlling said measuring transducer and for processing the measuring data into measured results; an operating keyboard for controlling measuring functions of the measuring transducer and the digital computer and for entering data into the computer to open a time window; an optical display device for displaying the measured results and messages of the computer including a message which indicates when erroneous or incomplete digital data are detected by the computer; a bidirectional interface for connecting an external peripheral apparatus to the computer; and a code reader connected as said external peripheral apparatus to the computer via said interface, said computer further including; a working memory for storage of digital data received from the code reader, said computer being provided for opening said time window in response to actuation of the keyboard and determining within the time window whether the code reader is connected with the interface, said computer further being provided for receiving digital data produced by the code reader via the interface, for testing the digital data received for errors and completeness, for carrying out an appropriate action by interpreting complete digital data free of errors, and for closing the time window. - View Dependent Claims (14, 15, 16)
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Specification