US2411526A - Impulse storing and repeating device - Google Patents

Impulse storing and repeating device Download PDF

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Publication number
US2411526A
US2411526A US586005A US58600545A US2411526A US 2411526 A US2411526 A US 2411526A US 586005 A US586005 A US 586005A US 58600545 A US58600545 A US 58600545A US 2411526 A US2411526 A US 2411526A
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US
United States
Prior art keywords
magnet
impulse
circuit
ratchet
repeating
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.)
Expired - Lifetime
Application number
US586005A
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English (en)
Inventor
Deakin Gerald
Ernest S Mclarn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL65182D priority Critical patent/NL65182C/xx
Priority to BE470444D priority patent/BE470444A/xx
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to US586005A priority patent/US2411526A/en
Priority to GB7324/46A priority patent/GB609194A/en
Priority to CH256361D priority patent/CH256361A/de
Priority to FR924631D priority patent/FR924631A/fr
Priority to ES173385A priority patent/ES173385A1/es
Application granted granted Critical
Publication of US2411526A publication Critical patent/US2411526A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/34—Impulse regenerators with mechanical or other non-electrical marking arrangements

Definitions

  • This invention relates to dial impulse storing and repeating devices designed for employment in telecommunications systems such as in automatic or semi-automatic telephone exchange systems and the like.
  • An object of the present invention is to make provision for receiving electrical impulses, to store the impulses received and, dependent on circuit conditions, to later or simultaneously therewith, retransmit or repeat the received impulses in properly timed relation to receiving apparatus such as the register Of an automatic exchange.
  • the dialling of a low digit may occur in such rapid succession as to be short of the time requirement for the selec tion at the receiving exchange such as when all but the last few trunks in the selected level of a group selector are busy.
  • the dialling of a low digit such as 1
  • the dialling of a low digit may occur in such rapid succession as to be short of the time requirement for the selec tion at the receiving exchange such as when all but the last few trunks in the selected level of a group selector are busy.
  • the device of the present invention is designed for the storing and the repeating of the impulses under the prescribed conditions in a manner to effect the proper operation of the related receiving device or register.
  • the improved device to be so operative, consists of two driven parts, one of which advances in position with relation to the other responsive to the number of impulses received and wherein the other of the driven parts is caused to have a following movement during which the impulses are repeated until it reaches the advanced position of the first part by inter-engagement therebetween.
  • Fig. l is a view of the improved impulse ing and repeating device showing same in elevation with the cover shown in section;
  • Fig. 2 is a schematic View showing the circuit arrangement
  • Fig. 3 is an end elevation taken from the left of Fig. 1 with the cover member shown in section;
  • Fig. 4.- is a vertical on line 44 of Fig. 1;
  • Fig. 5 is a partial view in end elevation corresponding to Fig. 3 with the parts thereof in changed or leading position;
  • Fig. 6 is a detailed vertical longitudinal sectional view of the armature mounting
  • Fig. '7 is a vertical cross sectional view taken on line 'l-'! of Fig. 1;
  • Fig. 8 is a skeletonized plan view of the moving parts of the mechanism.
  • Fig. 9 is a partial view in side elevation of the follower magnet armature and associated ratchet feed and contact under the condition of magnet energization.
  • the improved apparatus and associated circuit arrangement of the invention designed for the storing and repeating of received impulses, employs in its operation a stepping mechanism employing two driven parts which by inter-engagement open and close contacts for preparing an impulse repeating or re-transmitting circuit.
  • One of the driven parts is stepped or advanced by a magnet responsive to the incoming or received impulses.
  • the other of the driven members is stepped by a magnet under the control of interrupter contacts after the preparation of its energizing circuit by the leading or advanced relation of the first driven member with relation to that of the second and cooperating driven member.
  • the impulse storing and repeating mechanism includes driven members in the form of similar rctatably supported ratchets rotated by magnet-controlled pivoted armatures carrying feed pawls engaging with the ratchet teeth to efifect step-by-step rotation thereof.
  • the mechanism as shown is supported upon a base or standard I having integrally formed therewith, a rear wall 2, a centrally positioned vertical supporting wall 3 and forwardly and opstorside cross sectional view taken positely positioned brackets i.
  • brackets i Within apertures in the brackets A a transverse bearing shaft is journaled upon which are freely rotatably mounted two ratchet wheels 6 and l, of corresponding diameter and provided with similar ratchet teeth 8.
  • the ratchet wheel 6, which is the received impulse operated or lead ratchet, is provided with a hub a formed with axially extending keys or splines it upon which is slidably mounted a switch actuating collar it having a radial flange l2 provided on one face with diametrically positioned laterally extending earn lugs l3.
  • These lugs l3 project toward and cooperatively engage with coacting earn lugs i i-l l carried upon a face of the ratchet wheel 3. Relative rotation of the ratchet and inter-engagement of the lugs will accordingly effect shifting of the collar ii, thereby effecting the opening of contacts in the impulse repeating circuit, as will now be described.
  • each of the spring elements carrying the contacts l5 and It is forked to provide legs strad dling the collar H, and the extremities of these elements are formed as shown by laterally bending same toward the flange to provide oilset engaging portions 29, each having a rounded surface pressing against the flange 92 to cause axial shifting of the collar H as above stated.
  • a uni-directional step-by-step rotation of each of the ratchets 6 and 'l is provided by similar magnetically operated feed pawls 2i coacting with the ratchet teeth.
  • the customarily employed cooperating retaining springs 22 engaging with the ratchet teeth, are supported upon the bridge member is and retain the ratchets in the successive positions, opposing reverse movement thereof.
  • the feed pawls 2 i, pivotally supported at 23 upon extensions "24 of armatures 25, are independently operable by means comprising a magnet structure including the coils 21 and 28 having the usual cores 2%.
  • the armatures 25 are pivoted at 26 upon brackets to which, as is best shown in Fig. 6, are secured in position by screw 3! to permit armature-magnet air gap.
  • the magnetic ratchet rotating mechanism abovedescribed will be understood to be or corresponding construction for each of the ratchets E and 'i and each further includes adjustable stops 32, engaging theunder sides of the feed pawls to limit the downward movement thereof, fiat springs 33, supported upon the arms 2:: and engaging rearward extensions as of the pawls, resiliently to urge the latter into contact with the ratchet teeth and return or feed springs to, supported upon a bridge 38 and engaging lugs 3? of the armature extensions 26 to effect downward or feed movement of the pawls and rotation of the ratchet wheels upon each release of the armature.
  • the two magnetic ratchet feed devices operated by the two magnet are similar structures but in the case of the magnet element including coil 28 associated with the follower ratchet l the mechanism further includes switch elements operated by the return spring 35, which is insulatingly supported and carries contact element engaging contact elements carried by coacting resilient and insulatingly supported springs 36 and 39.
  • spring 35 in normal position as shown in Fig. 1, causes engagement of the contact element carried thereon with the coacting contact element carried on the leaf spring 33, thus a circuit including the springs 35 and 32; is normally completed a circuit including springs 35 and 39 is normally incom pleted.
  • Spring 35% it will be noted in Fig. l, is retained in fixed position by a stop it.
  • the return spring 35. contact springs 38 and 35 and associated insulating washers are supported in position upon the bridge 36 by a yoke 48 secured by a single screw stud iii.
  • a cover 42 is provided as shown for the protection of the operating mechanism.
  • FIG. 2 An operating circuit including the hereinabove described device is shown diagrammatically by way of example in Fig. 2 wherein the coil 2'! of the lead ratchet operating magnet is connected through terminal at to trunk 35 of a Strowger exchange and to the negative battery terminal 46.
  • the lead ratchet wheel 6 is accordingly rotated stepwise in response to the impulses received from this independent circuit.
  • the follower ratchet operating magnet 28 for creating impulses in the repeating circuit is controlled by the switch elements l5-it and additionally by a switch 59 which will be understood to be closed in any known manner as soon as the register is connected.
  • the circuit for magnet 28 extends over lead E?
  • the switch elements it and it lead 49, terminal Sit, lead 5i, switch 59, terminal 5 the leaf spring switch elements 35, 33, magnet 28, lead to the negative terminal 135.
  • the impulse repeating circuit extends over a stepping relay in the register, lead 58, terminal 5?, the leaf spring switch elements 39, 35, terminal 54, switch elements 59, H5, i5 to the positive battery terminal. Accordingly, the operation of the follower ratchet controlling magnet 28 is dependent first upon the closing oi the control switch ele: ments its-46 and on completion of the circuit over the switch 59, and it continues to step until the switch elements 55-4 5 are opened by engagement of a lug it on the ratchet l with 2. lug l3 of the flange i2 rotated by the ratchet 6.
  • An impulse storing and repeating device comprising lead and follower driven member supported and formed for inter-engagement to establish a coasting position, a first magnet to advance the lead member responsive to received impulses, a second magnet to advance the follower member, an energizing circuit for the second magnet including a control switch adapted to be opened in the engaging position of the driven members and closed when the lead member is in advanced relation with respect to the follower member and interrupter contacts arranged to be actuated by said second magnet.
  • An impulse storing and repeating device comprising lead and follower driven members supported and formed for inter-engagement to establish a coacting position, a first magnet to actuated by said second magnet.
  • An impulse storing and repeating device comprising lead and follower driven members supported and formed for inter-engagement to establish a coacting position, a first magnet connected and closed when the lead member is in advanced relation with respect to the follower and repeating contacts closed responsive to each actuation of said second magnet.
  • energizing circuit for the second magnet including a control switch adapted to be opened in the engaged position of the driven members and be closed over said control switch and over further contacts controlled by said second magnet. 6.
  • An impulse storing and repeating device comprising lead and follower driven members rotatably supported and formed for inter-engagement to establish a coacting position, a first mag bers and closed on advanced positioning of the lead member, means for intermittently energizing said second magnet, an impulse repeating circuit and contacts for closing the repeating circuit 5 responsive to opening of said energizing circuit.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmission Devices (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Electromagnets (AREA)
US586005A 1945-03-31 1945-03-31 Impulse storing and repeating device Expired - Lifetime US2411526A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL65182D NL65182C (en(2012)) 1945-03-31
BE470444D BE470444A (en(2012)) 1945-03-31
US586005A US2411526A (en) 1945-03-31 1945-03-31 Impulse storing and repeating device
GB7324/46A GB609194A (en) 1945-03-31 1946-03-08 Improvements in or relating to impulse storage and repeating devices, such as are used in automatic telephone systems
CH256361D CH256361A (de) 1945-03-31 1946-03-30 Impulsspeicher- und Weitergabevorrichtung.
FR924631D FR924631A (fr) 1945-03-31 1946-03-30 Dispositifs d'emmagasinage et de répétition d'impulsions
ES173385A ES173385A1 (es) 1945-03-31 1946-04-30 Mejoras en aparatos almacenadores y repetidores de impulsos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US586005A US2411526A (en) 1945-03-31 1945-03-31 Impulse storing and repeating device

Publications (1)

Publication Number Publication Date
US2411526A true US2411526A (en) 1946-11-26

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ID=27429875

Family Applications (1)

Application Number Title Priority Date Filing Date
US586005A Expired - Lifetime US2411526A (en) 1945-03-31 1945-03-31 Impulse storing and repeating device

Country Status (7)

Country Link
US (1) US2411526A (en(2012))
BE (1) BE470444A (en(2012))
CH (1) CH256361A (en(2012))
ES (1) ES173385A1 (en(2012))
FR (1) FR924631A (en(2012))
GB (1) GB609194A (en(2012))
NL (1) NL65182C (en(2012))

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559075A (en) * 1945-10-13 1951-07-03 Clare & Co C P Rotary step switch
US2908759A (en) * 1954-02-12 1959-10-13 Gen Telephone Lab Inc Automatic toll ticketing telephone systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559075A (en) * 1945-10-13 1951-07-03 Clare & Co C P Rotary step switch
US2908759A (en) * 1954-02-12 1959-10-13 Gen Telephone Lab Inc Automatic toll ticketing telephone systems

Also Published As

Publication number Publication date
FR924631A (fr) 1947-08-11
BE470444A (en(2012))
CH256361A (de) 1948-08-15
ES173385A1 (es) 1946-06-01
GB609194A (en) 1948-09-27
NL65182C (en(2012))

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