GB284149A - An improved coupling device more particularly for use in wireless telegraphy and telephony - Google Patents

An improved coupling device more particularly for use in wireless telegraphy and telephony

Info

Publication number
GB284149A
GB284149A GB1968527A GB1968527A GB284149A GB 284149 A GB284149 A GB 284149A GB 1968527 A GB1968527 A GB 1968527A GB 1968527 A GB1968527 A GB 1968527A GB 284149 A GB284149 A GB 284149A
Authority
GB
United Kingdom
Prior art keywords
drum
tuning
telephony
coupling device
improved coupling
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
GB1968527A
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.)
ALFRED GUERY
Original Assignee
ALFRED GUERY
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 FR620182D priority Critical patent/FR620182A/fr
Priority to FR32256D priority patent/FR32256E/fr
Priority to FR33851D priority patent/FR33851E/fr
Application filed by ALFRED GUERY filed Critical ALFRED GUERY
Priority to GB1968527A priority patent/GB284149A/en
Priority to BE343792D priority patent/BE343792A/xx
Publication of GB284149A publication Critical patent/GB284149A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/08—Arrangements to facilitate replacement of a switch, e.g. cartridge housing
    • H01H9/085—Arrangements to facilitate replacement of a switch, e.g. cartridge housing contact separation effected by removing contact carrying element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch

Landscapes

  • Transceivers (AREA)
GB1968527A 1927-07-25 1927-07-25 An improved coupling device more particularly for use in wireless telegraphy and telephony Expired GB284149A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR620182D FR620182A (fr) 1927-07-25 1926-08-06 Coupleur plus particulièrement applicable à la télégraphie et à la téléphonie sans fil et permettant d'obtenir instantanément différents montages avec le même appareil
FR32256D FR32256E (fr) 1927-07-25 1926-09-25 Coupleur plus particulièrement applicable à la télégraphie et à la téléphonie sans fil et permettant d'obtenir instantanément différents montages avec le même appareil
FR33851D FR33851E (fr) 1927-07-25 1927-07-07 Coupleur plus particulièrement applicable à la télégraphie et à la téléphonie sans fil et permettant d'obtenir instantanément différents montages avec le même appareil
GB1968527A GB284149A (en) 1927-07-25 1927-07-25 An improved coupling device more particularly for use in wireless telegraphy and telephony
BE343792D BE343792A (cg-RX-API-DMAC10.html) 1927-07-25 1927-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1968527A GB284149A (en) 1927-07-25 1927-07-25 An improved coupling device more particularly for use in wireless telegraphy and telephony

Publications (1)

Publication Number Publication Date
GB284149A true GB284149A (en) 1928-01-26

Family

ID=10133472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1968527A Expired GB284149A (en) 1927-07-25 1927-07-25 An improved coupling device more particularly for use in wireless telegraphy and telephony

Country Status (3)

Country Link
BE (1) BE343792A (cg-RX-API-DMAC10.html)
FR (3) FR620182A (cg-RX-API-DMAC10.html)
GB (1) GB284149A (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456772A (en) * 1944-09-06 1948-12-21 Emi Ltd Coupled circuits for high impedance aerials

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969596C (de) * 1953-09-19 1958-06-19 Siemens Ag Kontakteinrichtung in Hochfrequenzstromkreisen
DE1078646B (de) * 1954-04-03 1960-03-31 Georges Nissen Kanalschalter fuer Fernsehempfaenger
US3150240A (en) * 1960-09-06 1964-09-22 Western Electric Co Multiple contact rotary switches
US5029038A (en) * 1990-09-04 1991-07-02 International Business Machines Corporation Dual resistance bus connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456772A (en) * 1944-09-06 1948-12-21 Emi Ltd Coupled circuits for high impedance aerials

Also Published As

Publication number Publication date
FR32256E (fr) 1927-11-26
FR33851E (fr) 1929-03-25
FR620182A (fr) 1927-04-16
BE343792A (cg-RX-API-DMAC10.html) 1927-08-31

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