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234 records (took 0.017 seconds)

    51.
    发明专利
    未知

    公开(公告)号：SU395729A1

    公开(公告)日：1973-08-28

    申请号：SU1620139

    申请日：1971-02-15

    IPC: G03F3/00 ,  G03F3/08 ,  G01J3/48

    52.
    发明专利
    未知

    公开(公告)号：NL6919511A

    公开(公告)日：1971-07-01

    申请号：NL6919511

    申请日：1969-12-29

    IPC: G01J3/52 ,  G01J3/48

    53.
    发明专利
    未知

    公开(公告)号：DE2036651A1

    公开(公告)日：1971-01-28

    申请号：DE2036651

    申请日：1970-07-23

    IPC: G01J3/02 ,  G01J3/51 ,  G01J3/48

    Abstract: 1320718 Photo-electric colour testing EASTMAN KODAK CO 23 July 1970 [25 July 1969] 35664/70 Heading G1A [Also in Division G2] In an apparatus for determining the colour density of a test strip in respect of three colours either by transmissivity or reflectance, the strip is scanned to produce sequentially, signals representative of the density of each of three colours and the signals are used to produce three visible traces each corresponding to a separate colour density of the strip. The apparatus is applied to the testing of films and photographic papers and the traces which may be on a cathode ray tube may be in different colours for identification. White light shining through the strip 44, Fig. 1, is sequentially transmitted by rotating rods 40R, 40G, 40B and applied to a photo-cell 48 through sectorial filter elements of a disc 34 rotating in synchronism. The detector output is applied to a C.R.T. together with scanning control pulses produced by a synchronously driven apertured plate 36 to produce the three traces. The rods may be optical fibres and thus numbers for the respective rods may be such as to compensate for the detector sensitivities to the different colours. White light may alternatively be directed through the rotating filter and rotating light guides to the sample, and may be detected either after passing through the strip or when reflected by the strip. In the latter cases a second set of light guides rotating adjacently to the first lead the light to the detector. Rotating mirror scanning may be used as an alternative to light guides.

    MEANS FOR SEPARATING RADIATION OF ONE WAVELENGTH FROM RADIATION OF ANOTHER WAVELENGTH
    59.
    发明专利
    MEANS FOR SEPARATING RADIATION OF ONE WAVELENGTH FROM RADIATION OF ANOTHER WAVELENGTH 未知

    公开(公告)号：AU7983582A

    公开(公告)日：1982-10-21

    申请号：AU7983582

    申请日：1982-01-26

    Applicant: MILES LAB

    Inventor： KRAMER DONALD L

    IPC: G01J3/12 ,  G01N21/64 ,  G02B5/22 ,  G02B5/28 ,  G01J3/48

    Abstract: Method and means useful in reflectance measurement is provided wherein radiation of one wavelength is separated from radiation of a different wavelength by the use of a composite of at least two components, one of which is absorptive of said one wavelength radiation and is highly transmissive of said other wavelength radiation, and the other of which is reflective of radiation of both of said wavelengths. The method and means are particularly adapted for use in fluorescent radiation measurement to prevent high intensity residual incident excitation radiation from interfering with measurement of the relatively low intensity fluorescent radiation.

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