HK38976A - Loudspeaker unit for telephone - Google Patents

Loudspeaker unit for telephone

Info

Publication number
HK38976A
HK38976A HK38976A HK38976A HK38976A HK 38976 A HK38976 A HK 38976A HK 38976 A HK38976 A HK 38976A HK 38976 A HK38976 A HK 38976A HK 38976 A HK38976 A HK 38976A
Authority
HK
Hong Kong
Prior art keywords
telephone
loudspeaker unit
loudspeaker
unit
Prior art date
Application number
HK38976A
Original Assignee
Orient Service Co Ltd
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 claimed from JP5346672U external-priority patent/JPS5219447Y2/ja
Priority claimed from JP61873A external-priority patent/JPS5625808B2/ja
Application filed by Orient Service Co Ltd filed Critical Orient Service Co Ltd
Publication of HK38976A publication Critical patent/HK38976A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62—Constructional arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
HK38976A 1972-05-08 1976-06-24 Loudspeaker unit for telephone HK38976A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5346672U JPS5219447Y2 (en) 1972-05-08 1972-05-08
JP61873A JPS5625808B2 (en) 1972-12-23 1972-12-23

Publications (1)

Publication Number Publication Date
HK38976A true HK38976A (en) 1976-07-02

Family

ID=26333633

Family Applications (1)

Application Number Title Priority Date Filing Date
HK38976A HK38976A (en) 1972-05-08 1976-06-24 Loudspeaker unit for telephone

Country Status (2)

Country Link
GB (1) GB1408834A (en)
HK (1) HK38976A (en)

Also Published As

Publication number Publication date
GB1408834A (en) 1975-10-08

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