HK2889A - Electro-acoustic transducers - Google Patents

Electro-acoustic transducers

Info

Publication number
HK2889A
HK2889A HK2889A HK2889A HK2889A HK 2889 A HK2889 A HK 2889A HK 2889 A HK2889 A HK 2889A HK 2889 A HK2889 A HK 2889A HK 2889 A HK2889 A HK 2889A
Authority
HK
Hong Kong
Prior art keywords
electro
acoustic transducers
transducers
acoustic
Prior art date
Application number
HK2889A
Inventor
Yoshihiro Yokoyama
Shingo Watanabe
Koji Nageno
Original Assignee
Sony Corp
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 JP15220680A external-priority patent/JPS5776993A/en
Priority claimed from JP15220780A external-priority patent/JPS5776994A/en
Priority claimed from PCT/JP1981/000299 external-priority patent/WO1982001636A1/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK2889A publication Critical patent/HK2889A/en

Links

HK2889A 1980-10-31 1989-01-12 Electro-acoustic transducers HK2889A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP15220680A JPS5776993A (en) 1980-10-31 1980-10-31 Electroacoustic transducer
JP15220780A JPS5776994A (en) 1980-10-31 1980-10-31 Electroacoustic transducer
PCT/JP1981/000299 WO1982001636A1 (en) 1980-10-31 1981-10-27 Electroacoustic converter

Publications (1)

Publication Number Publication Date
HK2889A true HK2889A (en) 1989-01-20

Family

ID=27303457

Family Applications (1)

Application Number Title Priority Date Filing Date
HK2889A HK2889A (en) 1980-10-31 1989-01-12 Electro-acoustic transducers

Country Status (2)

Country Link
DE (1) DE3174986D1 (en)
HK (1) HK2889A (en)

Also Published As

Publication number Publication date
DE3174986D1 (en) 1986-08-28

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Legal Events

Date Code Title Description
PE Patent expired