FR2781965A1 - Support for video camera used for overhead filming comprises gas-filled balloon lifting support and tripod adopting stable inverted position against ceiling - Google Patents
Support for video camera used for overhead filming comprises gas-filled balloon lifting support and tripod adopting stable inverted position against ceiling Download PDFInfo
- Publication number
- FR2781965A1 FR2781965A1 FR9809939A FR9809939A FR2781965A1 FR 2781965 A1 FR2781965 A1 FR 2781965A1 FR 9809939 A FR9809939 A FR 9809939A FR 9809939 A FR9809939 A FR 9809939A FR 2781965 A1 FR2781965 A1 FR 2781965A1
- Authority
- FR
- France
- Prior art keywords
- support structure
- support
- cell
- aerostatic
- tripod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims description 8
- 238000009432 framing Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/027—Ceiling supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Studio Devices (AREA)
Abstract
Description
-1- La présente invention concerne un dispositif permettant d'embarquer du-1- The present invention relates to a device for loading
matériel vidéo ou photo afin d'obtenir des prises de vues zénithales depuis une structure-support solidaire d'une video or photo material in order to obtain overhead shots from a support structure integral with a
cellule aérostatique porteuse.carrier aerostatic cell.
L'intérêt croissant pour la couverture médiatique des événements sportifs donne lieu aujourd'hui à un climat de concurrence exacerbée entre les chaînes de télévision désirant en acquérir les droits exclusifs de retransmission. Le profit commercial qu'elle en retire est indéniable, il explique les situations de surenchère. Dans le même temps, le téléspectateur devient plus exigeant sur la qualité et la variété des images qu'on lui propose, d'o l'obligation faite aux chaînes d'améliorer constamment leurs diffusions. Pour s'en convaincre il suffit de considérer l'augmentation sensible du nombre de caméras autour des rencontres sportives. Quel est le but recherché, sinon la multiplication des angles de prises de vue? Si les changements d'angles de prises de vues sont facilement envisageables pour des caméras placées sur le sol ou en hauteur, les vues zénithales sont elles beaucoup plus délicates à obtenir. Bien qu'elles présentent un fort intérêt pour l'analyse tactique, mais aussi pour leur côté spectaculaire, elles restent rares sur les écrans. En effet, peu d'enceintes couvertes sont équipées The growing interest in the media coverage of sporting events gives rise today to a climate of exacerbated competition between the television channels wishing to acquire the exclusive rights of retransmission. The commercial profit it derives from it is undeniable, it explains the situations of overbidding. At the same time, the viewer becomes more demanding on the quality and variety of the images offered, hence the obligation made to the channels to constantly improve their broadcasts. To be convinced, it suffices to consider the significant increase in the number of cameras around sporting events. What is the goal, if not the multiplication of angles of view? If the changes of angles of shots are easily possible for cameras placed on the ground or in height, the overhead views are much more difficult to obtain. Although they are of great interest for tactical analysis, but also for their spectacular side, they remain rare on screens. Indeed, few covered speakers are equipped
sous leurs plafonds d'emplacements et d'installations résidentes pouvant recevoir des cameras. under their ceilings of locations and resident facilities that can receive cameras.
L'utilisation de nacelles ou le montage d'échafaudages sont des solutions coûteuses et très lourdes' techniquement. Par ailleurs elles présentent toutes deux l'inconvénient majeur d'occuper une grande surface au sol, parfois même à l'intérieur de la zone de prises de vues. Autre The use of nacelles or the mounting of scaffolding are costly solutions and very cumbersome 'technically. Furthermore, they both have the major drawback of occupying a large area on the ground, sometimes even inside the shooting area. Other
inconvénient, elles peuvent gêner la vue des spectateurs. drawback, they can obstruct the view of spectators.
Le dispositif selon l'invention propose une solution simple et économique aux problèmes décrits précédemment. Il comporte en effet selon une première caractéristique, une cellule The device according to the invention offers a simple and economical solution to the problems described above. According to a first characteristic, it indeed has a cell
aérostatique, une structure-support qui lui est solidaire, une monture solidaire de la structure- aerostatic, a support structure which is integral with it, a mount integral with the structure-
support et recevant le matériel de prises de vues, et un ou plusieurs filins reliant le dispositif au sol. support and receiving the shooting material, and one or more cables connecting the device to the ground.
La cellule aerostatique a pour fonction d'élever le dispositif ainsi que le matériel vidéo au- The aerostatic cell has the function of raising the device as well as the video material
dessus de la zone de prises de vues. Elle sert également à maintenir le dispositif en appui contre le plafond du bâtiment en transmettant à la structure-support, avec laquelle elle est liée, la poussée hydrostatique qu'elle subit. La cellule se compose d'une enveloppe imperméable au gaz avec lequel above the shooting area. It also serves to maintain the device in abutment against the building ceiling by transmitting to the support structure, with which it is linked, the hydrostatic thrust which it undergoes. The cell consists of a gas-impermeable envelope with which
elle est remplie, d'une valve de gonflage et de dispositifs simples de fixation avec la structure- it is filled with an inflation valve and simple fixing devices with the structure-
support, tels que des passants. La forme sphérique étant celle qui offre le meilleure rapport volume / encombrement, c'est elle qui est retenue prioritairement. Toutefois, d'autres dessins de la forme de l'enveloppe peuvent être envisagés selon les impératifs fixés par les conditions d'emploi du dispositif: surface disponible au plafond, architecture du bâtiment, perturbation éventuelle de support, such as passers-by. The spherical shape being that which offers the best volume / congestion ratio, it is it which is selected as a priority. However, other drawings of the shape of the envelope can be envisaged according to the requirements fixed by the conditions of use of the device: surface available on the ceiling, architecture of the building, possible disturbance of
l'éclairage, type et encombrement du matériel de prises de vues. lighting, type and size of the shooting equipment.
La structure-support a pour fonction de soustraire la monture aux mouvements et vibrations -2- de la cellule éventuellement provoqués par des mouvements d'air. la structure-support acquiert une parfaite stabilité favorable à des images de qualité en prenant appui sur le plafond du bâtiment en au moins trois points distincts, par l'intermédiaire de pieds qui peuvent être télescopiques afin de s'adapter au relief du plafond. Ses pieds articulés sur une platine sont écartés et maintenus en position par le gonflage de la cellule aérostatique qui dans un premier temps les repousse puis ensuite les retient dans leurs position grâce a ses passants. Le maintien du contact entre les pieds et le plafond est assuré par la transmission à la structure-support de la poussée hydrostatique exercée The support structure has the function of subtracting the frame from the movements and vibrations of the cell possibly caused by air movements. the support structure acquires perfect stability favorable to quality images by resting on the building ceiling at least three distinct points, via feet which can be telescopic in order to adapt to the relief of the ceiling. Its feet articulated on a plate are separated and held in position by the inflation of the aerostatic cell which initially repels them then then retains them in their position thanks to its passers-by. Maintaining contact between the feet and the ceiling is ensured by the transmission to the support structure of the hydrostatic thrust exerted
sur la cellule aérostatique.on the aerostatic cell.
La monture reçoit le matériel photo ou vidéo fixé sur elle. Elle est motorisée et commandée depuis le sol afin de cadrer et pointer le sujet désiré, Elle offre donc toutes les possibilités d'onrientation obtenues par combinaison des rotations autour de deux axes: le premier vertical (rotation complète de 360 ), le second horizontal (rotation de 180 ) se déplaçant dans un plan orthogonal au premier. L'alimentation électrique des moteurs ou servomoteurs utilisés est fournie depuis le sol, via des câbles courant le long du filin du dispositif et liés avec lui par des attaches telles que des anneaux. La fixation du matériel sur la monture est réalisée par une vis au standard photo et vidéo. Dans le cas ou le matériel est encombrant la monture peut être conçue The mount receives the photo or video material fixed on it. It is motorized and controlled from the ground to frame and point the desired subject, It therefore offers all the orientation possibilities obtained by combining rotations around two axes: the first vertical (full rotation of 360), the second horizontal ( rotation of 180) moving in a plane orthogonal to the first. The electrical supply of the motors or servomotors used is supplied from the ground, via cables running along the rope of the device and linked with it by fasteners such as rings. The material is fixed to the frame using a photo and video standard screw. In the case where the material is bulky the frame can be designed
spécifiquement pour celui-ci, et proposer plusieurs points de fixation supplémentaires. specifically for this one, and offer several additional fixing points.
Le filin a pour fonction de permettre une installation et un retrait rapide de l'ensemble du dispositif. En outre, il supporte l'ensemble des câbles nécessaires a la commande des moteurs ou servomoteurs de la monture ainsi que ceux nécessaires à la commande des fonctions du matériel de prises de vues et à l'envoi au sol des imniages. Le filmin peut être doublé voire triplé si l'installation et la manoeuvre du dispositif s'en trouve facilitées. Il peut lui être adjoint de petites cellules The function of the rope is to allow rapid installation and removal of the entire device. In addition, it supports all of the cables necessary for controlling the motors or servomotors of the frame as well as those necessary for controlling the functions of the shooting equipment and sending the imagery to the ground. The film can be doubled or even tripled if the installation and the operation of the device are facilitated. Small cells can be added to it
aérostatiques permettant de le soulever en partie et d'éviter ainsi qu'il ne soit dans le champ. aerostatic to partially lift it and prevent it from being in the field.
Le gain de poids sur l'ensemble du dispositif est le soucis majeur puisqu'il conditionne le volume de la cellule aérostatique. les matériaux de fabrication seront choisis en priorité pour leur faible densité, Le dimensionnement précis du dispositif selon l'invention ne peut être réalisé Weight gain on the whole device is the major concern since it conditions the volume of the aerostatic cell. the manufacturing materials will be selected in priority for their low density, The precise dimensioning of the device according to the invention cannot be achieved
judicieusement qu'après avoir fait le choix du matériel de prises de vues embarqué. judiciously only after having made the choice of on-board shooting equipment.
Selon des modes particuliers de réalisation: - la structure support peut servir d'armature à l'enveloppe de la cellule aérostatique dans le cas o According to particular embodiments: - the support structure can serve as a frame for the envelope of the aerostatic cell in the case o
ladite cellule a une forme polyédrique. said cell has a polyhedral shape.
- les pieds de la structure-support peuvent être télescopiques et pourvus d'embouts interchangeables. - le filin peut recevoir de petites cellules aérostatiques (ballons) fixés sur lui à intervalles de - the feet of the support structure can be telescopic and provided with interchangeable end caps. - the rope can receive small aerostatic cells (balloons) fixed on it at intervals of
distance réguliers.regular distance.
-3- - le filin peut être doublé voire triplé pour des raisons de facilité d'installation et de manoeuvre du dispositif. Le dessin annexé illustre l'invention: -3- - the rope can be doubled or even tripled for reasons of ease of installation and operation of the device. The attached drawing illustrates the invention:
La figure 1 représente une vue d'ensemble du dispositif installé. Figure 1 shows an overview of the installed device.
En référence à ce dessin, le dispositif comporte une cellule aérostatique (1) avec ses passants la reliant aux pieds de la structure- support, une structure-support (2) composée de trois pieds télescopiques et d'une platine sur laquelle ils s'articulent, une monture vidéo motorisée (3) et un With reference to this drawing, the device comprises an aerostatic cell (1) with its passers-by connecting it to the feet of the support structure, a support structure (2) composed of three telescopic feet and of a plate on which they articulate, a motorized video mount (3) and a
filin (4).rope (4).
A titre d'exemple non limitatif, dans l'hypothèse d'un poids total du dispositif égale a 4 Kg, et d'une cellule gonflée a l'hélium, le diamètre de cette dernière pourra être de 2 mètres. Les pieds de la structure-support pourront être réalisés en aluminium et pourvus d'embouts antidérapants montés sur rotules. Les pieds pourront venir s'articuler sur une platine, elle aussi en aluminium, et être disposés à 120 dans un souci de stabilité optimale. Ils pourront être télescopiques avec des blocages par vis ou serrage. Leur écartement sera alors déterminé par le gonflage de la cellule aérostatique qui les repoussera jusqu'à atteindre une position de 'service'. La monture pourra être réalisée en matière plastique et animée par deux moteurs asynchrones entraînant des systèmes de vis sans fin et engrenages, le rapport pignon primaire / pignon secondaire étant calculé selon les performances des moteurs et les vitesses de rotation désirées en sortie. Le cas échéant, des By way of nonlimiting example, in the hypothesis of a total weight of the device equal to 4 kg, and of a cell inflated with helium, the diameter of the latter could be 2 meters. The feet of the support structure can be made of aluminum and provided with non-slip end caps mounted on ball joints. The feet can be articulated on a plate, also in aluminum, and be arranged at 120 for the sake of optimal stability. They can be telescopic with blocking by screws or clamping. Their spacing will then be determined by the inflation of the aerostatic cell which will push them back until reaching a 'service' position. The frame can be made of plastic and driven by two asynchronous motors driving worm and gear systems, the primary gear / secondary gear ratio being calculated according to the performance of the motors and the desired rotational speeds at the output. Where applicable,
réducteurs de vitesse pourront être placés entre le pignon d'entraînement et la couronne de sortie. speed reducers may be placed between the drive pinion and the output gear.
Ces deux moteurs permettront les deux rotations transmises à la caméra. La monture pourra être en liaison pivot avec la platine de la structuresupport. Le premier moteur pourra alors être fixé sur la These two motors will allow the two rotations transmitted to the camera. The mount may be in pivot connection with the plate of the support structure. The first motor can then be attached to the
platine afin d'obtenir le mouvement relatif de la monture. Le filin pourra être en fil de Nylon. plate in order to obtain the relative movement of the frame. The rope may be made of nylon thread.
Il faut remarquer une nouvelle fois qu'une description précise du dispositif n'est possible qu'à It should be noted once again that a precise description of the device is only possible
la condition de connaître exactement le matériel de prises de vues embarqué. C'est en effet le choix de ce matériel qui conditionne le dimensionnement du dispositif selon l'invention, sans toutefois the condition of knowing exactly the on-board shooting equipment. It is indeed the choice of this material which conditions the dimensioning of the device according to the invention, without however
remettre en cause le principe même de celle-ci. De ce fait, la description du dispositif proposée ci- question the very principle of it. Therefore, the description of the device proposed below
dessus n'est donnée qu'à titre indicatif; elle doit permettre à une personne qualifiée d'en comprendre le principe et par là, d'effectuer les choix technologiques les plus appropriés à sa fabrication. La réduction de l'encombrement et du poids des systèmes vidéo actuellement fabriqués above is for reference only; it must allow a qualified person to understand the principle and thereby make the most appropriate technological choices for its manufacture. Reducing the size and weight of video systems currently manufactured
(vidéo numérique) doit autoriser une conception compacte et légère du dispositif selon l'invention. (digital video) must allow a compact and lightweight design of the device according to the invention.
-4--4-
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9809939A FR2781965A1 (en) | 1998-07-29 | 1998-07-29 | Support for video camera used for overhead filming comprises gas-filled balloon lifting support and tripod adopting stable inverted position against ceiling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9809939A FR2781965A1 (en) | 1998-07-29 | 1998-07-29 | Support for video camera used for overhead filming comprises gas-filled balloon lifting support and tripod adopting stable inverted position against ceiling |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2781965A1 true FR2781965A1 (en) | 2000-02-04 |
Family
ID=9529337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9809939A Withdrawn FR2781965A1 (en) | 1998-07-29 | 1998-07-29 | Support for video camera used for overhead filming comprises gas-filled balloon lifting support and tripod adopting stable inverted position against ceiling |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2781965A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113658430A (en) * | 2021-08-13 | 2021-11-16 | 义乌工商职业技术学院 | Traffic information acquisition device capable of protecting camera |
-
1998
- 1998-07-29 FR FR9809939A patent/FR2781965A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113658430A (en) * | 2021-08-13 | 2021-11-16 | 义乌工商职业技术学院 | Traffic information acquisition device capable of protecting camera |
CN113658430B (en) * | 2021-08-13 | 2022-05-20 | 义乌工商职业技术学院 | Traffic information acquisition device capable of protecting camera |
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