GB1256435A - Telephone dial mechanism - Google Patents

Telephone dial mechanism

Info

Publication number
GB1256435A
GB1256435A GB1339169A GB1339169A GB1256435A GB 1256435 A GB1256435 A GB 1256435A GB 1339169 A GB1339169 A GB 1339169A GB 1339169 A GB1339169 A GB 1339169A GB 1256435 A GB1256435 A GB 1256435A
Authority
GB
United Kingdom
Prior art keywords
plate
spring
march
base
dial mechanism
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
Application number
GB1339169A
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1256435A publication Critical patent/GB1256435A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromechanical Clocks (AREA)

Abstract

1,256,435. Impulse generators. INTERNATIONAL STANDARD ELECTRIC CORP. 13 March, 1969 [14 March, 1968], No. 13391/69. Heading H4K. A dial mechanism includes a base-plate 1 having a centrally disposed bearing for a plastics shaft 2 which projects through the plate and carries at one end an impulse wheel 10 and a governor (not shown) and at the other end a finger plate 7 and main spring 4 which has one end engaging the base-plate and the other end engaging a device 5 comprising a hub with a plurality of radial arms 3, integral with the shaft, which locates one or more turns of the spring. One radial arm 3 engages the end of the spring and the others contact the spring alternately onthe front and rear sides. Two diametrically opposed arms 5 are provided with lugs which engage with parts of cover plate 6 which extend through holes 13 in finger plate 7.
GB1339169A 1968-03-14 1969-03-13 Telephone dial mechanism Expired GB1256435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST022403 1968-03-14

Publications (1)

Publication Number Publication Date
GB1256435A true GB1256435A (en) 1971-12-08

Family

ID=7459358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1339169A Expired GB1256435A (en) 1968-03-14 1969-03-13 Telephone dial mechanism

Country Status (3)

Country Link
CH (1) CH488353A (en)
GB (1) GB1256435A (en)
NL (1) NL6903856A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2211828A1 (en) * 1972-12-21 1974-07-19 Int Standard Electric Corp
EP0013430A1 (en) * 1979-01-08 1980-07-23 THE PLESSEY COMPANY plc Improvements in or relating to dial units for telephone sets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2211828A1 (en) * 1972-12-21 1974-07-19 Int Standard Electric Corp
EP0013430A1 (en) * 1979-01-08 1980-07-23 THE PLESSEY COMPANY plc Improvements in or relating to dial units for telephone sets

Also Published As

Publication number Publication date
NL6903856A (en) 1969-09-16
CH488353A (en) 1970-03-31

Similar Documents

Publication Publication Date Title
GB1231200A (en)
ES8305202A1 (en) Rosary device
GB1256435A (en) Telephone dial mechanism
JPS5317204A (en) Rotary dial switch of telephone
GB961165A (en) Improvements in or relating to rotary selector switches
GB976075A (en) Diaphragm pumps
JPS5357010A (en) Magnetic disc device
JPS5438548A (en) Earth device
GB1028949A (en) Electric clock with variable loudness alarm mechanism
GB970025A (en) Improvements in electrical switches
GB1094187A (en) Improvements in or relating to electric control devices
JPS51116905A (en) Commutator device
JPS51142245A (en) Elastic surface-wave device
GB1157067A (en) Improvements in or relating to Electrical Switch Components
GB1020897A (en) Rotational speed governor
GB758992A (en) Improvements in or relating to speed-responsive electric switches
ES450824A1 (en) Electric switch
GB1093390A (en) Rotary electric switch
GB1123693A (en) Sun visor mounting bracket
JPS51122409A (en) Operation device
GB1213048A (en) A dialling assembly made of plastics material for telephone subsets
JPS5341270A (en) Electronic wristwatch
Fiske The Challenge of Logistics
GB857475A (en) Improvements in or relating to electro-magnetic devices
GB794876A (en) Counter

Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees