GB234036A - Improvements in or relating to impulse transmitters for use in telephone or like systems - Google Patents

Improvements in or relating to impulse transmitters for use in telephone or like systems

Info

Publication number
GB234036A
GB234036A GB16899/24A GB1689924A GB234036A GB 234036 A GB234036 A GB 234036A GB 16899/24 A GB16899/24 A GB 16899/24A GB 1689924 A GB1689924 A GB 1689924A GB 234036 A GB234036 A GB 234036A
Authority
GB
United Kingdom
Prior art keywords
plate
impulse
shaft
finger
dial
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
GB16899/24A
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Publication of GB234036A publication Critical patent/GB234036A/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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • 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
    • H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Telephone Function (AREA)
  • Transmission Devices (AREA)
GB16899/24A 1924-05-15 1924-07-14 Improvements in or relating to impulse transmitters for use in telephone or like systems Expired GB234036A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US234036XA 1924-05-15 1924-05-15
US599575XA 1924-05-15 1924-05-15

Publications (1)

Publication Number Publication Date
GB234036A true GB234036A (en) 1925-10-14

Family

ID=26697092

Family Applications (3)

Application Number Title Priority Date Filing Date
GB18509/25A Expired GB237290A (en) 1924-05-15 1924-07-14 Improvements in or relating to impulse transmitters for use in telephone or like systems
GB16899/24A Expired GB234036A (en) 1924-05-15 1924-07-14 Improvements in or relating to impulse transmitters for use in telephone or like systems
GB11206/30A Expired GB352469A (en) 1924-05-15 1930-04-08 Improvements in or relating to impulse transmitters for use in telephone or like systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB18509/25A Expired GB237290A (en) 1924-05-15 1924-07-14 Improvements in or relating to impulse transmitters for use in telephone or like systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB11206/30A Expired GB352469A (en) 1924-05-15 1930-04-08 Improvements in or relating to impulse transmitters for use in telephone or like systems

Country Status (3)

Country Link
BE (1) BE343067A (US20020051482A1-20020502-M00057.png)
FR (2) FR599575A (US20020051482A1-20020502-M00057.png)
GB (3) GB237290A (US20020051482A1-20020502-M00057.png)

Also Published As

Publication number Publication date
FR599575A (fr) 1926-01-15
BE343067A (US20020051482A1-20020502-M00057.png) 1927-07-30
FR39059E (fr) 1931-08-25
GB352469A (en) 1931-07-08
GB237290A (en) 1925-10-14

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