GB317522A - Improvements in or relating to dial switches - Google Patents

Improvements in or relating to dial switches

Info

Publication number
GB317522A
GB317522A GB1462228A GB1462228A GB317522A GB 317522 A GB317522 A GB 317522A GB 1462228 A GB1462228 A GB 1462228A GB 1462228 A GB1462228 A GB 1462228A GB 317522 A GB317522 A GB 317522A
Authority
GB
United Kingdom
Prior art keywords
finger
spring
disc
plate
arms
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
GB1462228A
Other languages
English (en)
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.)
LOUIS JEAN JOSEPH SCHREIBER
Original Assignee
LOUIS JEAN JOSEPH SCHREIBER
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 BE356565D priority Critical patent/BE356565A/xx
Application filed by LOUIS JEAN JOSEPH SCHREIBER filed Critical LOUIS JEAN JOSEPH SCHREIBER
Priority to GB1462228A priority patent/GB317522A/en
Priority to DEI36138D priority patent/DE611036C/de
Priority to FR666059D priority patent/FR666059A/fr
Publication of GB317522A publication Critical patent/GB317522A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Telephone Set Structure (AREA)
GB1462228A 1928-05-18 1928-05-18 Improvements in or relating to dial switches Expired GB317522A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE356565D BE356565A (enrdf_load_stackoverflow) 1928-05-18
GB1462228A GB317522A (en) 1928-05-18 1928-05-18 Improvements in or relating to dial switches
DEI36138D DE611036C (de) 1928-05-18 1928-11-15 Nummernschalter fuer Selbstanschlussanlagen
FR666059D FR666059A (fr) 1928-05-18 1928-12-19 Perfectionnements aux disques numéroteurs, tels que ceux utilisés pour la commandedes commutateurs dans les systèmes téléphoniques automatiques ou semi-automatiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1462228A GB317522A (en) 1928-05-18 1928-05-18 Improvements in or relating to dial switches

Publications (1)

Publication Number Publication Date
GB317522A true GB317522A (en) 1929-08-19

Family

ID=10044567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1462228A Expired GB317522A (en) 1928-05-18 1928-05-18 Improvements in or relating to dial switches

Country Status (4)

Country Link
BE (1) BE356565A (enrdf_load_stackoverflow)
DE (1) DE611036C (enrdf_load_stackoverflow)
FR (1) FR666059A (enrdf_load_stackoverflow)
GB (1) GB317522A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE356565A (enrdf_load_stackoverflow)
DE611036C (de) 1935-03-21
FR666059A (fr) 1929-09-26

Similar Documents

Publication Publication Date Title
GB878951A (en) Improvements in windscreen wipers
GB317522A (en) Improvements in or relating to dial switches
GB341464A (en) Improvements in or relating to control system for radio instruments
US2351125A (en) Hand telephone mounting
US1918801A (en) Telephone set
US2088688A (en) Telephone dialing device
GB424432A (en) A counting or registering device for use in knitting
GB622205A (en) Improvements in connecting devices for telephone exchanges
GB206944A (en) Improvements in electric switches
US2448647A (en) Calling device
GB264709A (en) Improvements in dial operating devices
GB846708A (en) Improvements in impulse sender mechanisms of automatic telephone dials
GB676324A (en) Improvements in automatic telephone systems
US1210603A (en) Calling device.
GB1256435A (en) Telephone dial mechanism
DE955783C (de) Schaltarm fuer in der Fernmeldetechnik verwendete Hebdrechwaehler
GB281399A (en) An improved lock and indicator for holding and locating keys, tools and other portable articles
GB852753A (en) Improvements in or relating to telephone dials
GB285279A (en) Improvements in or relating to telephone or like systems
GB889542A (en) Improvements in or relating to telephone dials and to telephone subscribers apparatus incorporating telephone dials
GB554772A (en) Improvements in or connected with telephone systems
GB599308A (en) Contact device for calling dials
GB597496A (en) Improvements relating to electric contact arrangements
GB347847A (en) An improved device for operating the dial of an automatic telephone
GB440795A (en) Improvements in or relating to telephone pay stations for variously rated calls