DE1739543U - STEP-BY-STEP ADJUSTABLE ATTENUATOR. - Google Patents

Description

Siemens & Halske ■ 'Hünchen 2,' the 2IJUNH95 6

Corporation. Wlttelsbacherplatz 4 -

** 56/2486 "-

Gradually adjustable attenuator ■

The! Inflation; "relates to a step-wise adjustable attenuator, which can be ordered from a chain connection of individual attenuation * four-poles and can be varied by connecting or disconnecting individual attenuation four-poles in the chain ± n its attenuation.

Such damping elements can be inserted into animal pole or line circuits in order to influence the damping or the course of the damping. A favorable instruction possibility exists in the transmission technology when leveling the line attenuation. The course of attenuation on lines or line sections is influenced by additional attenuating elements arranged in strengthening offices or in subsidiary offices and brought to the desired level in the individual stations.

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Ss arrangements are known, oils from Ö groups of resistance * coils exist, with the damping by switching on and off von Spulen "is varied. The coil ends are attached to soldering lugs the assembly decfcplatten out and there by solder bridges Uisswitched as required, which, however, was tedious and confusing Se.haltvorgäiig.e: n leads.

These disadvantages are made by an arrangement close to the hiring avoided, with which stehrem, resistances in animal pole connection containing rotating body rotatable in a common housing and are mounted insulated from each other, each rotating body can optionally assume two switching positions. On each and every one of them Rotary body, preferably on. the end faces are four pairs of contacts attached, two of which are the connections of the in the concerned rotary bodies contained four-pole damping poles, - during the other two contact pairs short-circuited together are. There are two pairs of contact springs for each rotating body arranged in the housing and wired together that in the first switching division -a rotating body the two "four-pole contact couples in the. Yes, the two short-circuit contacts are shared

Pairs with the corresponding outer contact field pairs have electrical contact so that the four-pole attenuation is in the first switching position and in its place in the second switching position. continuous Zurmß-hlnB -is-connected-in chain with the contact spring pairs of the housing.

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In particular, the resistances of the four-pole circuit are designed as over-IdZW ₀ adjacent resistance windings of a common bobbin and wired to form a four-pole circuit that the. Animal pole connections are guided on two, preferably on äien end faces, the coil arranged contact pairs.

According to further! Firing the axes of the rotary bodies are extended at one or both Endenderart and passed through, the housing wall to form on the outside of the housing knobs ", which are preferably Check Sehraubenzieherschlitzen ver = which for operation and display of the Switch positions, are used,

■ In the case of an attenuator after firing, it is easy to set a series of attenuation values by turning knobs on the outside of the housing iötungen the connection and disconnection of the individual. ■ damping Four poles feel unnecessary.

laughing standing the '! control will be described with reference to the Piguren 1 to 4. It is

Figure 1 is a schematic representation of the arrangement according to which firing:}

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Figure 2 «Μ Figure 3; ^ e | g0» _liif- and ground plan of a

K ons truk ti on & ei el es, .. true end 4 represents a section % imgß Ι-Σ of FIG.

In FIG. 1, an attenuator according to eex Heuer is shown schematically and with the housing removed. Four rotating bodies 1 are provided, in which the individual damping four-poles are contained. On the end faces of rotating body 1, contact pairs 2, 3, 4, 5 are attached, of which 2 and 3 are the input and output of the rotating body contained in Damping four-poles are f which is symbolically shown in Figure I · in Η-circuit, while the KleMEenpaare 4 ιχηΔ. 5 are short-soled with each other,

The rotary body 1 are so supported in a like one ameη housing that their axes and are rotatable zueihander parallel in the housing so that the individual rotating bodies are rotated in two switching positions, KÖWA & n »The 6th in the common Sehäuse_angeordneten contact spring pair, and ^{7 have in the , eisten switching position, as it is inclined in Pigur T, with the animal pole contact pairs 2.5 of the rotating body. 1 electrical contact, while in the second switching position, which is achieved by rotating the rotating body by 90 ° , it is with ü, m lurasole contact pairs 4 , 5 have contact.

Belonging to AEEN individual rotary bodies in. Contact spring pairs 6, 7 arranged in a common housing are connected to one another in such a way that a chain circuit is formed. With a special yorteil you will receive a ^ elneix öehäuselcontalctf ederpaare G, 7

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together with lines or sheets connecting the ax from one Piece made, so that, as can be seen from FIG. 1, U-shaped Spring steel sheets are created, the donors of which the contact spring pairs 6,7 and their. Web 8 are the connection lines.

The input or output of the entire chain circuit is through further pederbleeh strips, which look in their shape of the cuboid shape of the housing., guided to plug contacts 9 and 10 ·, which protrude from the common housing. In Figure 1 is an embodiment shown in der.dese plug contacts 9, 10 on a Broad side of the housing are arranged. However, Ss is also ■ possible to attach them to one end of the housing.

In FIGS. 2 and 3, top and bottom views of a preferred construction example are shown, with FIG. 3 showing the basin plate of the damping element in a view. The housing consists of two half-shells 11, which are made of plastic compounds (eg polystyrene), preferably injection-molded. As can be seen from Figure 4, they have a settled sand, so that they close the interior dust-free in the disconnected state. They are held together bfölspleisweise by two screws 12 (Figure 3), which are provided on the housing ends. In this common housing 11 four rotating bodies are attached, which contain the individual four-pole damping. These rotating bodies advantageously consist of a coil body, as shown in FIG.

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Windings applied and wired for four-pole connection. On the end faces 14 of this bobbin there are four pairs of contacts 2,3,4,5 (HgUr 1} arranged, for example, from contact strips 15 which are wound around an insulating core 16 and end in jJötfahnen » The continuous short-circuit connections are soldered on. The coil axis 1? is extended so far that it penetrates the housing wall and the cover plate IS. The protruding axis ends 19 (.Figure 3) are advantageously provided with easy adjustment, the rotating body to the two switching positions with the aid of a screwdriver allow the slots may mxr display of the shift positions to be used on the cover plate at the same time;:... which the cover plate can be labeled as of Figure 3, was made to the attenuator shown the switchover of the individual rotating bodies from the first to the second switching position ¹ OSm the switchover from the damping quadrupole to the continuous cure Finalize the derailleur by turning it through 90 °. ■

The rotating bodies 13 l ^ ömi & n ^; however, the four-pole resistors are also contained in other parts of the mouth, for example, is possible. Ground resistances in the axial direction between the two end plates.14 to be installed, to be connected to one another in animal pole connection and. to lead the contact spring η 15 in animal pole connections to the pins.

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In order to produce a uniform and good contact pressure, it is advantageous to close the silver-plated contact spring pairs 21 with steel springs 22 . inferior. The fastening of these composite springs in the common housing 11 takes place in a simple manner by attaching them to fastening pins 23 which, for example, are "upset".

With particular advantage -be the connections for the whole Derailleur ax four, arranged on one broad side of the G-ehä.uses Plug contacts 20 out. This makes it possible for the

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Attenuator: z * B-, to be attached to the front panels of telecommunications stations and to set a desired attenuation even when connected by pressing the individual buttons. You four plug contacts can, however, also be attached to one end face of the housing, the smallest possible front plate surface being required for plugging in the damping element.

In the exemplary embodiment shown, four individual four-pole damping poles are provided, the damping values of which behave as 1:; 2ί / ': 8, so with the appropriate combinations of the individual rotary knobs |>f; $ all damping values can be obtained according to the natural number series of dei ¹ Set the unit up to 15 times the unit. In the example shown, animal poles are attenuated by. 0.1, 0.2, 0.4 and 0.8 1 achieve all attenuation values from 0.1 Bf to 1.5 S "in steps of 0.1 B * au. In addition, the attenuation 0 can also be set, if all animal poles of the chain circuit are replaced by continuous course conclusions>

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In order to obtain all Xiampfanga values of the natural series of numbers between the unit and the 10-fold unit, it is also useful to provide four animal poles whose attenuations are 1: 2: 2: 5. . -

10 protection claims
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Claims (10)

W.352346 ^ 16.56 PA 9/430/991 ·· ■:. : / -S: - ·. / jP 'c & .U: t ζ ans ρ r ü c h e 1. Gradually adjustable attenuator, which consists of a Chain connection of individual damping four-pole "ordered, thereby gekennzBiohnöt that several, resistors in Yierpols configuration: containing rotating bodies. (1.13) in a common Housing (11) are rotatably mounted and insulated from one another, such that each rotating body (1,13) optionally has two switching positions can assume that on each individual rotating body • (1 s 13} "preferably on the end face η (H), four contacts" pair (2,3,4,5) 'are attached, of which two (2', 3) the connections of the Däffipfungsvierpoie / s contained in the rotating body in question are while the other two contact pairs (4,5) are short-circuited with each other, that for each three-body Contact spring pair ^ (6.7 or 2t) in this way in the * housing (11) . arranged and. are wired together that - in the first Switching position of a: rotating body the two pairs of animal pole contacts (2,3), in the second stop position the two pairs of connecting contacts (4,5) lit the corresponding housing contact spring pairs (6,7 or »21) have electrical contact, so that: in the first the four-pole damping position, in the second A continuous short circuit in its place - connected in a chain with the contact spring pairs of the housing I. - 10- 56/2486 ΪΆ 9/430/991 .V::>: # - '1Ί 2. Graduated attenuator according to claim 1, characterized in that the * resistors of the four-pole circuit as over- or 2w. adjacent resistance. windings of a common bobbin (13) and are wired au einer.Vierpol in such a way that the four-pole connections on two, preferably on the end faces (14) the coil (13) arranged contact pairs (15) are guided. 3. Gradually adjustable damping glled according to Claim.1 or 2, characterized in that the axes of the rotating bodies (13) on one or both sides so extended uhd through the housing wall are guided that they are on the outside of the housing form knobs (19). . . < 4. Stepwise variable attenuator according to any one of claims 1 to _5, characterized in that the lead-out axle ends are provided (19) of each rotary body (15) with Schraubenziehersclilitzen which are used for operation and display of switching positions, 5. Stepwise adjustable attenuator; according to claim 1, characterized in that the common housing (11) is made of plastic compounds, preferably injection molded. 6. Stepwise adjustable attenuator according to one of the preceding claims, characterized in that the ■ - 11: _ % '' - ::> ^: \: -:, ": - ■■ *., - ■■■■■ :: " ■ '5-6 / 2486 PA 9/430/991. ■ '[■' - Ϊ &; -:: ". Jf [■ - Conclusions for them. entire. Daisy chain on four, on one Plug contacts arranged on the broad side of the common joint (20) are led, - 7. step instructions' adjustment & rea attenuator according to one, eier claims 1 Mff: 5i; äifaMii | elc0Mzeiet that "the connections for the entire Eettensohaltung are routed to four plug-in contacts arranged on one end of the -QQhEnBBB Cit). 8 "Stepwise variable attenuator according to any one of the · preceding Ans | _r irücjb.e characterized in that 'the arranged in the housing (11} IContalct f & äezn (21) to achieve a sufficient: contact pressure are lined with steel springs (22)... 9 "Stepwise adjustable damping element according to one of the preceding Ä ^ sprüöhe, characterized in that four damping four-pole provided: -are whose attenuation values are like 1 ί2ί2: 5 behaviora * * /. .- ■. - - ' 10. Gradually adjustable damping element "according to one of claims 1 % ± B B, 'dälmrch gekeniigieioiinet that' several four-pole damping are provided, the damping values of which are like 1; 2 * 4: 8 etc."