GB191020585A - Improvements in or connected with Devices for Making and Breaking Electric Contacts in Wireless Signalling Systems. - Google Patents

Improvements in or connected with Devices for Making and Breaking Electric Contacts in Wireless Signalling Systems.

Info

Publication number
GB191020585A
GB191020585A GB191020585DA GB191020585A GB 191020585 A GB191020585 A GB 191020585A GB 191020585D A GB191020585D A GB 191020585DA GB 191020585 A GB191020585 A GB 191020585A
Authority
GB
United Kingdom
Prior art keywords
levers
electro
reed
contact
spring
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
Other languages
English (en)
Inventor
Frederick Henry Varley
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191020585A publication Critical patent/GB191020585A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B11/00—Generation of oscillations using a shock-excited tuned circuit
    • H03B11/04—Generation of oscillations using a shock-excited tuned circuit excited by interrupter
    • H03B11/06—Generation of oscillations using a shock-excited tuned circuit excited by interrupter by mechanical interrupter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB191020585D 1910-09-03 1910-09-03 Improvements in or connected with Devices for Making and Breaking Electric Contacts in Wireless Signalling Systems. Expired GB191020585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191020585T 1910-09-03

Publications (1)

Publication Number Publication Date
GB191020585A true GB191020585A (en) 1911-12-04

Family

ID=32492667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191020585D Expired GB191020585A (en) 1910-09-03 1910-09-03 Improvements in or connected with Devices for Making and Breaking Electric Contacts in Wireless Signalling Systems.

Country Status (2)

Country Link
DE (1) DE262370C (https=)
GB (1) GB191020585A (https=)

Also Published As

Publication number Publication date
DE262370C (https=)

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