WO1993017372A1 - Vorrichtung zur messung einer zeitspanne, insbesondere bei sportzeitmessungen - Google Patents
Vorrichtung zur messung einer zeitspanne, insbesondere bei sportzeitmessungen Download PDFInfo
- Publication number
- WO1993017372A1 WO1993017372A1 PCT/DE1993/000114 DE9300114W WO9317372A1 WO 1993017372 A1 WO1993017372 A1 WO 1993017372A1 DE 9300114 W DE9300114 W DE 9300114W WO 9317372 A1 WO9317372 A1 WO 9317372A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video camera
- camera
- image
- video
- time
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
- G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
- G04F13/023—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means using cathode-ray oscilloscopes
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
- G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
- G07C1/24—Race time-recorders
Definitions
- the invention relates to a device for measuring a time span, in particular for sports time measurements, with the features according to the preamble of claim 1.
- the image axis of the video camera which was initially mechanically precisely aligned with the target line, for visualization of the target line in the individual partial images on a monitor, for visualization on the individual partial images in the horizontal plane Mapping requirements accordingly, is set.
- This subsequent adjustment of the camera image axis must not cause any aberrations on the individual partial images.
- a so-called pseudo measurement can be carried out, which relates to one or more specific ones and related to the finish line Measurement marks are supported.
- CH-PS 515 549 describes a system for measuring a time span. knows, the end of which is determined by a visible result, in particular for time measurement in sports competitions, with a basic clock for generating a clock signal, with devices for reducing this clock signal for the purpose of generating an i pulse-shaped time signal, with one that is the smallest Interval corresponding pulse interval and means for starting this reduction in the correct phase on the basis of a signal supplied from the outside and with at least one device for counting the pulses of the time signal, characterized by at least one television camera used for taking pictures of the event mentioned, its image change coincide with the pulses of the time signal mentioned, further by means for superimposing the counting result determined by the counting means in the form of digits into the said images and by means for recording the recorded images together with overlays on a magnet signal carrier and for the individual reproduction of the recorded images.
- a time image recording device with a television camera, with a memory for storing a video signal generated by the television camera and representing a scene and that of an image display device connected to the memory, the time image recording device with a Television camera connected signal generator for supplying a field synchronous signal to the camera is provided, which signal has a repetition duration which is essentially a whole part of the field duration according to the television standard and which is characterized in that the scanning in the television camera only over part of the image height , which corresponds to the standardized field duration, takes place repeatedly in every standard field duration, while a signal output of the television camera connected to the memory carries a video signal with the standard field frequency.
- DE-PS 37 16 987 discloses a method for determining the time between the start and finish of competitors, vehicles or the like, in particular of runners, riders, racing cars or the like, a recording camera with a playback device for still pictures being known preferably with a monitor, a timer with the display of the running time in the camera image and a light barrier or similar sensor in
- the recording camera delivers still images at a fixed time interval of preferably four hundredths of a second and is aligned with the finish line, which is characterized in that at least two times are faded into the camera images. which run simultaneously in sync with one another and whose one continues to run continuously during camera operation and corresponding jumps in the individual images are faded into these individual images and from time to time still shows the respective time of the individual recording, and that the fade-in one second time by interrupting the light barrier when a competitor, vehicle or the like touches the finish line.
- arrested and the display of this finish passage time is recorded at least by changing the image, that is to say at least faded in at least in a subsequent still image, so that this image following the finish passage of a process triggering the light barrier has at least two differing time inserts and the light barrier triggering competitor, the vehicle or the like. beyond the finish line, the difference between the two times being proportional to the distance traveled by the competitor, vehicle or the like beyond the finish line.
- a method for is also from DE-PS 39 977 Determination of the time between the start and finish of competitors, riders, vehicles or the like is known, in which a video camera with a playback device for still images and preferably with a monitor, a time generator which is triggered by a start pulse, for example a start pistol, start light barrier or Such triggered, running time during camera operation is faded into the still images and indicates the respective time of the individual still image recording from still image to still image, and a light barrier or similar sensor is provided in accordance with a target line and the video chamber still images in a fixed time Distance of preferably two of the four hundredths!
- the setting and alignment of the camera image axis to a target line is carried out purely manually, in that the target recording video camera, in particular mounted on a tripod, is adjusted by appropriate spatial place the tripod on the ground to which the target line axis is aligned. It is also important to ensure that the camera image axis is fixed perpendicular to the finish line.
- the invention has for its object to provide a device of the type mentioned, in which the disadvantages mentioned are eliminated and which makes it possible to use exclusively commercially economical hardware, in particular a video camera with a clock frequency of 50 Hz, to achieve the required measurement accuracy of one hundredth of a second. It should be ensured that both the mechanical adjustment of the camera image axis and the adjustable insertion of the finish line onto the partial images displayed on the monitor are simple, fast and free of aberrations, absolutely reliable is.
- the mechanical, or optical, or optoelectronic sighting device provided there in the area of the video camera for the first simple, quick and precise adjustment of the camera image axis to a finish line, and a second adjustment of the camera image axis to display the finish line in the reproduced on the monitor, two partial images, with a simple mechanical adjustment, which can be pivoted and locked in the horizontal, which ensures that imaging errors are adequately avoided.
- FIG. 1 shows a front view of a schematically represented, partially covered CCD image converter element in a video camera, in particular in a spatial arrangement of the cover, for the purpose of achieving a horizontal monitor display of the two partial images obtained thereby,
- FIG. 2 shows a schematic block diagram of a device for measuring a time span, in particular for sports time measurements, with a monitor image that was obtained with a CCD imager element covered according to FIG. 1.
- FIG. 3 shows a front view of a schematically illustrated, partially covered CCD image converter element on a video camera, in particular in a spatial arrangement of the cover, for achieving a vertical monitor display of the two partial images obtained in the context of a device according to FIG. 2 ,
- FIG. 4 shows a monitor image that was obtained with a CCD image converter element covered according to FIG. 3,
- FIG. 5 shows a diagrammatic view of a 3-channel oscillogram which, due to the partial covering of the CCD image converter element, recovered image information and clock frequency voltage signals.
- FIG. 6 is a diagrammatic arrangement of the new sports time measuring system for measuring accuracies of at least one hundredth of a second
- FIG. 7 is a perspective, rear view of a video camera and electronics unit of the new sports time measuring system, with a mechanical sighting device for adjusting the image axis,
- FIG. 8 shows a front view of a mechanically displaceable CCD image converter element and / or lens for a video camera in the new sports time measurement system.
- the CCD (Charge Coupled Device) image converter element 1 of a video camera 4, shown in FIG. 1, essentially consists of a charge-coupled semiconductor component, an integrated circuit for processing electrical and optical signals, in which the information mation in the form of electrical charges is stored and forwarded.
- Such CCD image converter elements are known to consist of a large number of closely adjacent, electrically insulated gate electrodes and one transistor each at the signal input and output of the chain. A charge is injected under the neighboring gate electrode by a signal at the input transistor.
- the charge carrier packets which are stored in the inversion areas under the electrodes and which contain digital information, i.e. represent a signal can be shifted from one to the next by cyclical changes in the voltage applied to the electrodes until they are available as an output signal at the end of the chain.
- the CCD image converter element 1 can be used in the present case in an advantageous manner to achieve the task set out above as a delay element for a required video clock frequency of 100 Hz.
- a cover element in particular in the form of an opaque film, which covers a part, in particular the one-sided half, of the gate electrodes 3 provided there on the front side on the CCD imager element 1.
- FIG. 2 shows in detail a video camera 4 with a front lens 5 and a CCD image converter element according to FIG. 1, not shown, which is arranged approximately at the level of the camera plane 6 and is not covered in detail denotes a clock generator, which is supplied by a time generator 8 with time information for a clock signal 27, of 100 Hz, which is supplied to the video camera 4 via the line 9.
- a clock signal 27 of 100 Hz is also generated via the time generator 8 and the clock generator 7 of the video camera 4 supplied when there is no start impulse to trigger the competition time to be measured.
- This 100 Hz clock signal voltage 27 for the video camera 4 is necessary in order to have a corresponding image recorded by the video camera 4 on the monitor 10 even outside the actual competition time measurement phase, in particular for setting up and adjusting the video camera 4 and for constantly checking the To be able to provide the overall device.
- This mixing stage 14 is also provided by a character generator 15, voltage signal data of the competition times 16, which has been processed in a manner appropriate to the video, and a target which can be moved manually in the direction of the arrow 17.
- line marker 18, which are stored in the video recording device 19 until an evaluation and displayed on the monitor 10. 29 denotes a smoothing stage in line 13.
- the image forward and backward manually, in particular analog adjustable target line marking 18, is provided, if necessary, with an analog and / or digital, mechanical and / or electronic time nonius controlled by the time generator 8 .
- an EDP interface 52 is provided at the output of the mixing stage 14, in particular for the connection of a digital, data-processing storage, input and output terminal, a computer, with which not only a fully digitized processing of the competition video - and / or the competition time data is possible, but with which, if necessary, the fade-in finish line marker 18 can also be moved digitally, in particular by means of a so-called mouse.
- all the competition data obtained can be stored digitally on a ROM or other data memory, in particular on floppy disks or CD-ROMs.
- the video camera 4 together with the CCD image converter element 1, is rotated by 90 ° around the recording axis relative to the position according to FIG. 1, so that the cover edge 22 runs vertically , as shown in FIG. 3.
- the aforementioned horizontally adjacent image reproduction of the two partial images 20 and 21 is achieved, as can be seen on the monitor 10 according to FIG. 4.
- This also has the advantage that, if necessary, the image section can be reduced in favor of an enlarged representation of the target event, the narrowing in the horizontal plane being not a disadvantage.
- the latter or the video camera 4 is spatially aligned with a target line in such a way that this target line 23 lies approximately in the middle of a partial image 20, 21 comes, ie that on each field 20, 21 a target line 23 can be seen.
- the 3-channel oscillogram shown in FIG. 5 clearly shows the result which, according to FIGS. 1 and 3, achieved in particular by the cover 2 on the CCD image converter element 1, according to FIGS. 1 and 3 Image reproduction of two partial images 20, 21, which are recorded offset from one another at a time interval of 1/100 second.
- a signal sequence is produced in accordance with the illustration of the oscillogram B.
- the voltage signal 27 means the clock frequency signal of 100 Hz and 25, 26 the voltage signals of the the two partial images 20, 21 present there.
- Oscillogram C shows the result obtained in accordance with the innovation, in the form of a clock signal voltage 24, which is fed via line 13 to mixer 14, according to FIG. 2. It can be seen that at a clock frequency of 50 Hz, corresponding to the signal 24, voltage signals 25, 5 26 are transmitted, which correspond to the two fields 20, 21.
- 31 denotes a competition track in the target area, with the individual tracks 32 and with competitors 42. 23 shows the finish line at di
- the image axis 30 of the video camera 4 is aligned in the housing 38, which is arranged on the stand 34.
- 10 denotes a monitor for the reproduction of the current camera image, which in the present illustration consists of the two partial images 20 and 21, which, as previously explained, are generated by a clock signal of 100 Hz for the purpose of being achieved
- video camera 4 and electronics unit 39 in the housing 38 is provided with a mechanical sighting device, which in particular consists of a crosshair arranged on the front of the housing
- 30 of a so-called lens holder 47 is attached. 30 marks the camera image axis there.
- the video camera 4 is positioned on the camera support 44 in relation to the sighting line 46 such that the camera image axis 30 extends axially parallel to the sighting device.
- 11Never 46 is set and locked.
- 45 there denotes adjusting screws for the releasable non-positive determination of the pivotable camera carrier 44 mounted on the housing cover 40 of the electronic unit 39.
- 41 shows a setting mark, related to the line of sight 46, which indicates the starting position of the camera carrier 44, ie the axially mutually extending Adjustment of the camera image axis 30 corresponds to the line of sight 46.
- the camera carrier 44 is mounted in the bearing point 50, in the camera image plane 51 and perpendicular to the line of sight 46, on the housing cover 40. This ensures that the camera image axis 30 can be pivoted in the required second setting to make the target line 23 visible on the two monitor sub-images 20 and 21, by means of the camera carrier 44.
- a prism which is provided in front of the camera lens 48 and is rotatably mounted to be perpendicular, to shift the camera image axis 30, in accordance with the requirements, with respect to the actual fixation.
- an optical sighting device with a so-called telescopic sight or an opto electronic sighting device for example with a lens, a CCD sensor connected behind it and a miniature picture tube with a downstream viewfinder. It is also envisaged that the camera carrier 44 can be adjusted or adjusted both manually and in terms of knitting technology.
- the video camera 4 is provided directly with an optomechanical or an optoelectronic viewfinder with a sighting device, the sighting line 46, according to FIG. 7, in the lens area running coaxially to the image axis 30 of the video camera 4.
- a mechanical and / or electronic vernier or angle encoder can be provided, which is initially calibrated to the target line 23. Compared to this mark, a reproducible mechanical adjustment of the image axis 30 can then be carried out, manually or by remote control.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Closed-Circuit Television Systems (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59307056T DE59307056D1 (de) | 1992-02-26 | 1993-02-08 | Vorrichtung zur messung einer zeitspanne, insbesondere bei sportzeitmessungen |
EP93903160A EP0583441B1 (de) | 1992-02-26 | 1993-02-08 | Vorrichtung zur messung einer zeitspanne, insbesondere bei sportzeitmessungen |
JP5513546A JPH06507247A (ja) | 1992-02-26 | 1993-02-08 | 特にスポーツ時間測定での時間間隔を測定する装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG9202456.4U | 1992-02-26 | ||
DE9202456U DE9202456U1 (de) | 1992-02-26 | 1992-02-26 | Vorrichtung zur Messung einer Zeitspanne, insbesondere bei Sportzeitmessungen |
DEG9208285.8U | 1992-06-20 | ||
DE9208285U DE9208285U1 (de) | 1992-06-20 | 1992-06-20 | Vorrichtung zur Einstellung der Kamerabildachse von optoelektronischen Sportzeitmeßgeräten |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993017372A1 true WO1993017372A1 (de) | 1993-09-02 |
Family
ID=25959191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1993/000114 WO1993017372A1 (de) | 1992-02-26 | 1993-02-08 | Vorrichtung zur messung einer zeitspanne, insbesondere bei sportzeitmessungen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0583441B1 (de) |
JP (1) | JPH06507247A (de) |
AT (1) | ATE156604T1 (de) |
DE (1) | DE59307056D1 (de) |
WO (1) | WO1993017372A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10336447A1 (de) * | 2003-08-06 | 2005-03-10 | Gerd Hansen | Verfahren und Vorrichtung zum Erfassen und Verarbeiten von Daten eines Sportereignisses |
US9286734B2 (en) | 2009-10-02 | 2016-03-15 | Timetronics N.V. | System and method of calibrating a system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2625936A1 (de) * | 1975-06-13 | 1976-12-23 | Philips Nv | Zeitaufzeichnungsanordnung mit einer fernsehkamera |
DE3716987C1 (de) * | 1987-05-21 | 1988-04-28 | Augustin Imhof | Verfahren und Vorrichtung zur Bestimmung der Zeit zwischen Start und Ziel von Wettkaempfern od.dgl. |
US4797751A (en) * | 1985-06-19 | 1989-01-10 | Yamaguchi Cinema Corporation | Electronic camera apparatus for recording and reproducing moving object images |
-
1993
- 1993-02-08 WO PCT/DE1993/000114 patent/WO1993017372A1/de active IP Right Grant
- 1993-02-08 AT AT93903160T patent/ATE156604T1/de not_active IP Right Cessation
- 1993-02-08 JP JP5513546A patent/JPH06507247A/ja active Pending
- 1993-02-08 EP EP93903160A patent/EP0583441B1/de not_active Expired - Lifetime
- 1993-02-08 DE DE59307056T patent/DE59307056D1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2625936A1 (de) * | 1975-06-13 | 1976-12-23 | Philips Nv | Zeitaufzeichnungsanordnung mit einer fernsehkamera |
US4797751A (en) * | 1985-06-19 | 1989-01-10 | Yamaguchi Cinema Corporation | Electronic camera apparatus for recording and reproducing moving object images |
DE3716987C1 (de) * | 1987-05-21 | 1988-04-28 | Augustin Imhof | Verfahren und Vorrichtung zur Bestimmung der Zeit zwischen Start und Ziel von Wettkaempfern od.dgl. |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10336447A1 (de) * | 2003-08-06 | 2005-03-10 | Gerd Hansen | Verfahren und Vorrichtung zum Erfassen und Verarbeiten von Daten eines Sportereignisses |
US9286734B2 (en) | 2009-10-02 | 2016-03-15 | Timetronics N.V. | System and method of calibrating a system |
Also Published As
Publication number | Publication date |
---|---|
DE59307056D1 (de) | 1997-09-11 |
JPH06507247A (ja) | 1994-08-11 |
EP0583441B1 (de) | 1997-08-06 |
ATE156604T1 (de) | 1997-08-15 |
EP0583441A1 (de) | 1994-02-23 |
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