GB315496A - Improvements relating to relays and other electromagnetic instruments and machines - Google Patents

Improvements relating to relays and other electromagnetic instruments and machines

Info

Publication number
GB315496A
GB315496A GB12160/28A GB1216028A GB315496A GB 315496 A GB315496 A GB 315496A GB 12160/28 A GB12160/28 A GB 12160/28A GB 1216028 A GB1216028 A GB 1216028A GB 315496 A GB315496 A GB 315496A
Authority
GB
United Kingdom
Prior art keywords
limbs
reluctance
magnets
flux
steady
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
GB12160/28A
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 NL29387D priority Critical patent/NL29387C/xx
Application filed by Individual filed Critical Individual
Priority to GB12160/28A priority patent/GB315496A/en
Priority to FR672368D priority patent/FR672368A/fr
Priority to US352494A priority patent/US1826990A/en
Priority to DEC42877D priority patent/DE607203C/de
Publication of GB315496A publication Critical patent/GB315496A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)
GB12160/28A 1928-04-25 1928-04-25 Improvements relating to relays and other electromagnetic instruments and machines Expired GB315496A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL29387D NL29387C (enrdf_load_stackoverflow) 1928-04-25
GB12160/28A GB315496A (en) 1928-04-25 1928-04-25 Improvements relating to relays and other electromagnetic instruments and machines
FR672368D FR672368A (fr) 1928-04-25 1929-03-30 Perfectionnements aux relais et autres dispositifs et machines électro-magnétiques
US352494A US1826990A (en) 1928-04-25 1929-04-04 Electromagnetic device
DEC42877D DE607203C (de) 1928-04-25 1929-04-04 Elektromagnetische Vorrichtung mit schwingendem Anker, z. B. elektromagnetisches Relais

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12160/28A GB315496A (en) 1928-04-25 1928-04-25 Improvements relating to relays and other electromagnetic instruments and machines

Publications (1)

Publication Number Publication Date
GB315496A true GB315496A (en) 1929-07-18

Family

ID=9999432

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12160/28A Expired GB315496A (en) 1928-04-25 1928-04-25 Improvements relating to relays and other electromagnetic instruments and machines

Country Status (5)

Country Link
US (1) US1826990A (enrdf_load_stackoverflow)
DE (1) DE607203C (enrdf_load_stackoverflow)
FR (1) FR672368A (enrdf_load_stackoverflow)
GB (1) GB315496A (enrdf_load_stackoverflow)
NL (1) NL29387C (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491098A (en) * 1940-10-14 1949-12-13 Gen Railway Signal Co Polar biased relay
DE761496C (de) * 1941-04-19 1954-10-04 Johannes Bohmeyer Elektrisches Nebenuhrwerk mit durch Stromstoesse wechselnder Polaritaet schrittweisefortschaltbarem Anker
US2716232A (en) * 1950-10-25 1955-08-23 Bell Telephone Labor Inc Flux modulated ringer
NL178634B (nl) * 1952-05-29 Philips Nv Inrichting voor het detecteren van ongewenste signaalcombinaties van twee signaallampen bij verkeerslichten.
BE538941A (enrdf_load_stackoverflow) * 1954-06-14
GB793825A (en) * 1955-11-08 1958-04-23 Telephone Mfg Co Ltd Improvements relating to polarised electromagnetic devices
US3058038A (en) * 1959-11-20 1962-10-09 Weston Hydraulics Ltd Torque motor with null balance

Also Published As

Publication number Publication date
FR672368A (fr) 1929-12-27
NL29387C (enrdf_load_stackoverflow)
US1826990A (en) 1931-10-13
DE607203C (de) 1934-12-19

Similar Documents

Publication Publication Date Title
US2486394A (en) Selective relay
GB315496A (en) Improvements relating to relays and other electromagnetic instruments and machines
US1901443A (en) Signaling device
GB559047A (en) Improvements relating to electromagnetic devices and especially to electric telegraph relays
GB636190A (en) Improvements in and relating to phonograph pickups
GB212857A (en) Improvements in sound emitting apparatus such as telephone receivers
GB930379A (en) Electromagnetic relay
US2884498A (en) Electro magnetic devices
US2559399A (en) Polarized electromagnetic relay
US1743494A (en) Pole-changer transmitter
US1778401A (en) Relay
US1690147A (en) Electromagnet for sound-reproducing instruments
US1681161A (en) Telephone receiver
US1787579A (en) Translating device
US1724360A (en) Transmitter
GB244591A (en) Improvements in electro-magnetic relays
US1733554A (en) Magnetic device
GB260148A (en) Improvements in and relating to electromagnetic apparatus for the interconversion ofelectrical and mechanical oscillations
US1590618A (en) Telephone receiver
GB491893A (en) Improvements in or relating to telegraph relays
US1661829A (en) Dynamo-electrical vibrating unit
GB355227A (en) Improvements relating to the mounting of vibrating reeds, more particularly for use in connection with electromagnetic gramophone pick-ups, loud speakers and the like
US1688674A (en) Receiver
GB313406A (en) Method and apparatus for the electromagnetic reproduction of sound
GB156353A (en) Improvements in or relating to electro-magnetic mechanisms applicable to telegraphic and like purposes