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    • 7. 发明专利
    • RETRIEVING DEVICE OF INFORMATION
    • JPS6077268A
    • 1985-05-01
    • JP18624983
    • 1983-10-05
    • CANON KK
    • TANAKA KIYOUNAKAMURA MITSUO
    • G03B21/11G06F17/30
    • PURPOSE:To retrieve and print out information necessary for investigation or the like out of signals recorded in a microfilm in a short time and use it by starting printing from the final frame of desired business recorded in the microfilm. CONSTITUTION:An information processor is provided with a control circuit 1 consisting of a microcomputer executing various kinds of control and a microfilm retrieving device 2 having a microfilm recording many information is connected to the circuit 1. Information contents in the microfilm are digitized and recorded on a disc retrieving device 3 connected to the circuit 1 as the frame group of related matters. In addition, an input device 4, a display device 5 and a printed device 6 are also connected to the circuit 1. The final frame of the frame group of required matters in the microfilm is retrieved from the device 3 on the basis of a retrieving command from the input device 4 and printing is started from the final frame of the retrieved necessary matters, so that the retrieving time of necessary information is shortened.
    • 8. 发明专利
    • RETRIEVING DEVICE OF INFORMATION
    • JPS6077266A
    • 1985-05-01
    • JP18624783
    • 1983-10-05
    • CANON KK
    • TANAKA KIYOUNAKAMURA MITSUO
    • G03B21/11G06F17/30
    • PURPOSE:To retrieve and to use necessary information in a short time by digitizing selected information out of information recorded on a microfilm, then recording the selected information on a disc and retrieving and displaying the information recorded on the disc or the microfilm by a retrieving command. CONSTITUTION:An information retrieving device is provided with a control circuit 1 consisting of a microcomputer or the like and a microfilm retrieving device 2 is connected to the circuit 1. A disc retrieving device 3 for digitizing and recording information selected from a microfilm in the retrieving device 2, an input device 4, a display device 5, and a printer 6 are connected to the circuit 1. When a retrieving command is inputted from the input device 4 of the information retrieving device, the information recorded on the microfilm in the retrieving device 2 or the information recorded in the disc retrieving device 3 is retrieved and displayed on the display device 5. Thus, necessary information is retrieved a short time and the retrieved information is used.
    • 9. 发明专利
    • INFORMATION RETRIEVING DEVICE
    • JPS5880773A
    • 1983-05-14
    • JP17943081
    • 1981-11-09
    • CANON KK
    • TANAKA KIYOUANDOU YOSHIOYANAGAWA HITOSHI
    • G03B21/11G06F17/30G06K17/00
    • PURPOSE:To perform the effective retrieval of information, by detecting a mark on a film by a photodetecting element of a mark detector, generates the count signal from the combination of detecting signals and comparing the count value of the count signal with a desired frame number. CONSTITUTION:A mark detector 111 contains a mobile substrate 21 having an aperture 20 and a block 28 which holds a pair of photodetecting elements 25 and 26. The elements 25 and 26 receive the light given from a mark m1. The detector 111 is set to the main body of a control part, and the mark detecting signals given from the elements 25 and 26 are fed to a control circuit 55 via amplifying circuits 52 and 53. The circuit 55 generates the count signals from the combination of the mark detecting signals. These count signals are counted at a counting part. Then the count value of the count signal is compared with a desired frame number fed to an input device through a comparing part. Based on the result of this comparison, the signal is delivered to control a motor which drives a capstan roller.
    • 10. 发明专利
    • VARIABLE MAGNIFICATION COPYING MACHINE
    • JPS57201268A
    • 1982-12-09
    • JP5937682
    • 1982-04-08
    • CANON KK
    • SONE YOSHIAKITANAKA KIYOUSAWADA TAKAMASATODA TAKAOYANAGI MASAAKIHONDA HARUHISAKONISHI MOTOFUMINAKAMURA MITSUO
    • G03B27/34G03G15/041
    • PURPOSE:To make the formation of copied images of good quality at arbitrary magnifications possible with simple constitution by driving electric motors for moving a photoreceptor and a scanning system respectively by the constant frequency signal obtained by dividing the frequencies of a reference signal and the frequency signal of frequencies varying with magnifications. CONSTITUTION:The reference frequency signal from a reference signal generating circuit 50 provided with a quartz oscillator, etc. is divided down by a frequency dividing circuit 52 to a constant frequency signal by which a synchronous motor M2 or the like for rotating a photosensitive drum is driven at a constant speed via a sine wave generating circuit 54, etc. At the same time, the reference frequency signal from the circuit 50 is variably divided down according to magnifications in a frequency dividing circuit 51, and a synchronous motor M1 for moving a subject such as microfilm is driven at the signal of the frequencies corresponding to magnifications. Therefore, the scaning system and the photoreceptor are driven accurately in a synchronized state at the speed ratios corresponding always to the selected magnifications. As a result, the copied images of good quality at arbitrary magnifications are formed with the simple constitution requiring no speed changers, etc.