GB272757A - Improvements relating to impulse transmitters for automatic telephony - Google Patents

Improvements relating to impulse transmitters for automatic telephony

Info

Publication number
GB272757A
GB272757A GB2796026A GB2796026A GB272757A GB 272757 A GB272757 A GB 272757A GB 2796026 A GB2796026 A GB 2796026A GB 2796026 A GB2796026 A GB 2796026A GB 272757 A GB272757 A GB 272757A
Authority
GB
United Kingdom
Prior art keywords
contacts
impulse
impulsing
shaft
spiral
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
GB2796026A
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.)
Individual
Original Assignee
Individual
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 BE338073D priority Critical patent/BE338073A/xx
Priority to US695357A priority patent/US1609185A/en
Application filed by Individual filed Critical Individual
Priority to GB2796026A priority patent/GB272757A/en
Publication of GB272757A publication Critical patent/GB272757A/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
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Toys (AREA)
GB2796026A 1924-02-26 1926-11-06 Improvements relating to impulse transmitters for automatic telephony Expired GB272757A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE338073D BE338073A (enrdf_load_stackoverflow) 1926-11-06
US695357A US1609185A (en) 1924-02-26 1924-02-26 Automatic dial device
GB2796026A GB272757A (en) 1926-11-06 1926-11-06 Improvements relating to impulse transmitters for automatic telephony

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2796026A GB272757A (en) 1926-11-06 1926-11-06 Improvements relating to impulse transmitters for automatic telephony

Publications (1)

Publication Number Publication Date
GB272757A true GB272757A (en) 1927-06-23

Family

ID=10268031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2796026A Expired GB272757A (en) 1924-02-26 1926-11-06 Improvements relating to impulse transmitters for automatic telephony

Country Status (2)

Country Link
BE (1) BE338073A (enrdf_load_stackoverflow)
GB (1) GB272757A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE338073A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2619546A (en) Party line identification system
GB197503A (en) Improvements in or relating to the transmission of telephone numbers or the like
GB272757A (en) Improvements relating to impulse transmitters for automatic telephony
US1917995A (en) Radio telephony
US2412624A (en) Telephone call transmitter
US970367A (en) Transmitter for teleselectors.
US1856092A (en) Switching apparatus
US1194357A (en) Marik f
US2395269A (en) Impulse transmitting device
US598172A (en) barron
US2713681A (en) Impulse generator for debiting of communications
US1284206A (en) Calling device.
US847355A (en) Signaling apparatus for telephones.
US1677091A (en) Impulse-transmitting device
GB867718A (en) A calculating machine with a remote transmission device for numerical and functional values
US220717A (en) Improvement in telephone-switches
US935049A (en) Calling device for telephone-exchanges.
US238833A (en) Electric call-bell
GB469464A (en) Improvements in automatic telephone calling apparatus
US1582334A (en) campbell
US927375A (en) Electric isolation system.
US530324A (en) Callender
GB531693A (en) Improvements in impulse senders for use in telephone or like systems
US875951A (en) Controlling mechanism for automatic exchanges.
US651936A (en) Indicating-key for selective signals.