NL164722B - ELECTRO-ACOUSTIC CONVERTER. - Google Patents

ELECTRO-ACOUSTIC CONVERTER.

Info

Publication number
NL164722B
NL164722B NL7202226.A NL164722DA NL164722B NL 164722 B NL164722 B NL 164722B NL 164722D A NL164722D A NL 164722DA NL 164722 B NL164722 B NL 164722B
Authority
NL
Netherlands
Prior art keywords
electro
acoustic converter
acoustic
converter
Prior art date
Application number
NL7202226.A
Other languages
Dutch (nl)
Original Assignee
Industrial Research Prod Inc
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.)
Publication of NL164722B publication Critical patent/NL164722B/en

Links

Classifications

    • 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
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/63—Contacts actuated by axial cams
NL7202226.A 1950-12-16 ELECTRO-ACOUSTIC CONVERTER. NL164722B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE296147X 1950-12-16

Publications (1)

Publication Number Publication Date
NL164722B true NL164722B (en)

Family

ID=6090291

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7202226.A NL164722B (en) 1950-12-16 ELECTRO-ACOUSTIC CONVERTER.

Country Status (5)

Country Link
BE (1) BE507812A (en)
CH (1) CH296147A (en)
FR (1) FR1045916A (en)
GB (1) GB701340A (en)
NL (1) NL164722B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086792B (en) * 1956-07-20 1960-08-11 Plessey Co Ltd Rotary resistor with off switch
US3243528A (en) * 1964-05-28 1966-03-29 Gen Electric Dual action electrical switch

Also Published As

Publication number Publication date
GB701340A (en) 1953-12-23
BE507812A (en)
CH296147A (en) 1954-01-31
FR1045916A (en) 1953-12-02

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