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公开(公告)号：JPS60218965A
公开(公告)日：1985-11-01
申请号：JP7492184
申请日：1984-04-16
Applicant: CANON KK
Inventor： NAKAGAWA KATSUMI , SUGANO HIDEO , KURODA YASUO , HATANAKA KATSUNORI
IPC: H04N1/028 , G06T1/00 , H01L27/146 , H04N1/40
Abstract: PURPOSE:To secure a satisfactory S/N characteristic free from crosstalk with no use of a blocking diode by detecting the current of a photodetecting element in a non- selection mode and correcting the photocurrent signal of the photodetecting element in a selection mode according to the value of the detected current. CONSTITUTION:The time series signal SA obtained by digitizing photocurrent signals SS1-SSn is outputted from an A/D converter 5. A switch part 7 supplies the output of the converter 5 to a shift register SR8 in a selection mode of a common electrode Bi of a scan circuit 2 and then to an SR9 in a non-selection mode respectively. When the signal SA is stored to the SR8, the circuit 2 sets the electrode Bi at zero potential and keeps all common electrodes under a non-selection state until the voltage V1+1 is applied to the next common electrode Bi+1. In a non-selection mode the part 7 supplies a switch pulse SP and connects the converter 5 to the SR9. Then a switch part 4 selects successively the outputs of amplifiers A1-An and outputs them to the converter 5. Then the time series signal SB is outputted from the converter 5 in the form of the noise and stored to the SR9. Then the signal SA serving as the photocurrent signal in the SR8 and the signal SB serving as the noise in the SR9 are supplied successively to an arithmetic circuit 10 by shift pulses SH3 and SH4. The circuit 10 calculates the difference between both signals and outputs a time series signal Sout which is free from noise.
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公开(公告)号：JPS60146568A
公开(公告)日：1985-08-02
申请号：JP181684
申请日：1984-01-11
Applicant: CANON KK
Inventor： KURODA YASUO , KAWAI TATSUTO , NAKAGAWA KATSUMI
Abstract: PURPOSE:To reduce remarkably the calorific power of an LED, and to reduce a cost by providing a main block in which LEDs are connected in parallel and a sub-block in which the number of LEDs is smaller than that of the main block, and connecting in parallel alternately a pair of the main block and the sub- block. CONSTITUTION:First of all, the first main switch 14a is closed, the first main block 12a is turned on, subsequently, the main block 12a is turned off, and simultaneously, the first bus-switch 15a is closed and the first sub-block 13a is turned on. Thereafter, by the same operation, the first main block 12a through the fifth sub-block 13e are turned on and off continuously, and a scan of an original is executed. In this case, the number of LEDs used for the sub-block is set so as to be smaller than the number of LEDs of the main block, therefore, the power consumption is reduced remarkably as a whole, and also it is realized that a device becomes compact and the cost is reduced.
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公开(公告)号：JPS5856074A
公开(公告)日：1983-04-02
申请号：JP15468981
申请日：1981-09-29
Applicant: CANON KK
Inventor： KURODA YASUO
Abstract: PURPOSE:To retrieve a desired picture automatically without any error by discriminating the classifications of marks on a recording sheet and inputting the retrieval number of the classification of the desired picture, and then comparing the discrimination result with the input retrieval number. CONSTITUTION:The size of marks on a film is detected by mark sensors 25-28 and then stored in FF circuits 40-42, whose output are applied in combination to the 1st-3rd counters 45-47. Further, intermediate item and small item numbers of picture from input equipment 60 are stored in the 1st-3rd registers 50- 52 according to the operation of switches 61-63, and the outputs of the registers 50 and 52 are supplied to the 1st-3rd comparing circuits 55-57. The outputs of the counters 45-47 are supplied to the circuits 55-57, which compare the mark size from the counters 45-47 with the retrieval numbers inputted from the registers 50-52; when the classification number coincides with the mark size, a classified count signal which corresponds to the desired picture is supplied to a control circuit 60 to prevent malfunction.
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公开(公告)号：JPS5596937A
公开(公告)日：1980-07-23
申请号：JP518079
申请日：1979-01-19
Applicant: CANON KK
Inventor： KASUYA MICHIO , ARAI TOSHIO , INOUE SHIYUNZOU , KURODA YASUO
IPC: G03B27/32
Abstract: PURPOSE:To shoot a picture always correctly, regardless of changes in shooting magnification, by providing a means to control to permit shooting only when a specified cover sheet corresponding to the shooting magnification is located in the shooting position. CONSTITUTION:A shooting magnification detector 30, a cover sheet detector 31 having a microswitch, and shooting switch S2 are connected to an alarm lamp 33 and a solenoid for shutter 34 by way of a comparator circuit 32, an inverter 35, and an AND gate 36. In this connection, the comparator circuit 32 receives a signal indicating the shooting magnification generated from the shooting magnification detector 30 and a code signal generated from the cover sheet detector 31, and, when a specified cover sheet 10 corresponding to the shooting magnification is selected and disposed on a base plate 3, outputs a coincidence signal of high level. When the shooting switch S2 is turned on while the conicidence signal is being outputted, the solenoid for shutter 34 operates, and the shutter of the camera 1 opens, so that correct shooting is taken.
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公开(公告)号：JPS5570831A
公开(公告)日：1980-05-28
申请号：JP14511378
申请日：1978-11-24
Applicant: CANON KK
Inventor： ARAI TOSHIO , INOUE SHIYUNZOU , KURODA YASUO , KASUYA MICHIO
IPC: G03B27/32
Abstract: PURPOSE:To automatically display recording range along with the change in projecting magnification by providing a means of detecting projection magnification and a means of displaying recording ranges of different sizes on the original placement surface and displaying the recording ranges corresponding to detection signals. CONSTITUTION:Camera units 1 of different photographing magnifications (scale- down rates) are properly interchangeably used. The film photographed is developed, fixed and dried in a processor unit 2. When the camera unit 1 is mounted to a stanchion 4, a detector 7 detects the photographing magnification of the camera unit 1 and emits a signal which in turn causes the display devices 11 thru 16 (e.g., light emitting diodes) provided to an original placement surface 10 to light and make display. Such constitution obviates mistaking of the relations between the photographing magnification and the frame on the original placement surface.
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Patent Agency Ranking
公开(公告)号：JPS5552066A
公开(公告)日：1980-04-16
申请号：JP12527078
申请日：1978-10-12
Applicant: CANON KK
Inventor： ARAI TOSHIO , INOUE SHIYUNZOU , KURODA YASUO , KASUYA MICHIO
Abstract: PURPOSE:To prevent wrong information for retrieval from being recorded to a photoreceptor by providing a stepping select switch which operates a counter in association to the exposure operation of the originals and an inversion switch which is capable of inverting this function temporarily to an opposite state. CONSTITUTION:The subject is placed in the frame 21 of a base 6 and the images of the original are exposed to a photoreceptor. A stepping select switch S3 which causes the counter provided in the camera unit 1 to make exposure operation so that it is automatically stepped or not stepped is provided. The contents of the counter are imprinted in the photoreceptor. Further an inversion switch S9 is provided to invert the selection state having been preset with the stepping select switch S3 temporarily to an opposite state and temporarily invert the connection state of the counter and exposure operation so that the association of the counter and exposure operation returns to the preset state of the switch S3 after pushing of the shutter, whereby the correct retrieval information corresponding to the original is imprinted.
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公开(公告)号：JPS5552045A
公开(公告)日：1980-04-16
申请号：JP12527378
申请日：1978-10-12
Applicant: CANON KK
Inventor： ARAI TOSHIO , INOUE SHIYUNZOU , KURODA YASUO , KASUYA MICHIO
Abstract: PURPOSE:To reduce idle feeding of film and improve working efficiency by so controlling the film feed speed of the processor unit that it becomes high speed at the turning on of power source and becomes low speed when the film quantity in loop chamber becomes less than the specified. CONSTITUTION:The processor camera consists of a camera unit 1 which exposes the images of the originals on a subject rest part 10 to films, a processor unit 2 which subjects the exposed films to processing such as developing and drying, a stanchion unit 3 and a body 6 or the like. A film feed chamber 102 and a film take- up chamber 103 are provided in the camera unit 1. The film is accumulated once in loop form in the take-up chamber 103 and is thence sent to the processing part. This comprises detecting the loop quantity with a detecting switch and controlling the film feed speed of the processor unit 2. At the turning on of power source, the film feed speed is made high to reset the loop quantity zero and is then made low when a loop detecting switch has gone ON.
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公开(公告)号：JPS529988A
公开(公告)日：1977-01-25
申请号：JP8510175
申请日：1975-07-11
Applicant: CANON KK
Inventor： KURODA YASUO
IPC: H05B41/392
Abstract: PURPOSE:To provide a device for providing a lamp controlling device capable of controlling lighting by manual or automatical operation with eliminating flicker in case of lighting a lamp by high frequency.
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公开(公告)号：JP2590070B2
公开(公告)日：1997-03-12
申请号：JP20174686
申请日：1986-08-29
Applicant: CANON KK
Inventor： KURODA YASUO
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公开(公告)号：JPH0369061B2
公开(公告)日：1991-10-30
申请号：JP7491984
申请日：1984-04-16
Applicant: CANON KK
Inventor： SUGANO HIDEO , NAKAGAWA KATSUMI , KURODA YASUO , KYOFUJI SHINICHI
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