Automatic means for aligning spectrometer components

Claim 1

SPECTROSCOPIC APPARATUS COMPRISING SOURCE MEANS FOR EXCITING A CHEMICAL SAMPLE TO EMIT RADIATION FROM A SINGLE LOCATION, ENTRANCE SLIT MEANS FOR PASSING SAID RADIATION FROM SAID SOURCE, DIFFRACTION GRATING MEANS FOR DIFFRACTING SAID RADIATION FROM SAID ENTRANCE SLIT MEANS INTO A DISTRIBUTION OF SPECTRTUM LINES OF WHICH A PLURALITY OF SPECTRUM LINES INDICATE THE COMPOSITION OF THE SAMPLE AND A SELECTED SPECTRUM LINES SERVE AS A REFERENCE, A PLURALITY OF EXIT SLIT MEANS FOR PASSING SAID PLURALITY OF SAID SPECTRUM LINES, A PLURALITY OF INDICATOR PHOTODETECTING MEANS FOR RECEIVING SAID PLURALITY OF SPECTRUM LINES, A SELECTED EXIT SLIT MEANS FOR PASSING SAID SELECTED SPECTRUM LINE, A REFERENCE PHOTODETECTING MEANS FOR RECEIVING SAID SELECTED SPECTRUM LINE IN ORDER TO PRO DUCE A SIGNAL, SAID ENTRANCE SLIT MEANS, SAID DIFFRACTION GRATING MEANS, SAID PLURALITY OF EXIT SLIT MEANS AND SAID SELECTED EXIT SLIT MEANS BEING GEOMETRICALLY RELATED AND ORIENTED WITH RESPECT TO EACH OTHER TO PROVIDE COINCIDENCE OF SAID PLURALITY OF SPECTRUM LINES WITH SAID PLURALITY OF EXIT SLIT MEANS AND SAID SELECTED SPECTRUM LINE WITH SAID SELECTED EXIT SLIT MEANS, AND SERVO MEANS RESPONSIVE TO SAID SIGNAL FOR CONTROLLING THE RELATIONS AMONG AND ORIENTATIONS OF SAID ENTRANCE SLIT MEANS, SAID DIFFRACTION GRATING MEANS, SAID PLURALITY OF EXIT SLIT MEANS AND SAID SELECTED SLIT MEANS.