JPS63171084U - - Google Patents
Info
- Publication number
- JPS63171084U JPS63171084U JP14675786U JP14675786U JPS63171084U JP S63171084 U JPS63171084 U JP S63171084U JP 14675786 U JP14675786 U JP 14675786U JP 14675786 U JP14675786 U JP 14675786U JP S63171084 U JPS63171084 U JP S63171084U
- Authority
- JP
- Japan
- Prior art keywords
- ear
- microphone
- speaker
- duct
- worn
- 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.)
- Pending
Links
Landscapes
- Headphones And Earphones (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14675786U JPS63171084U (US07655746-20100202-C00011.png) | 1986-09-25 | 1986-09-25 | |
DE19873723275 DE3723275A1 (de) | 1986-09-25 | 1987-07-14 | Ohrmikrofon |
CA 541983 CA1287914C (en) | 1986-09-25 | 1987-07-14 | Ear microphone |
GB8718117A GB2197158B (en) | 1986-09-25 | 1987-07-30 | Ear microphone |
KR1019870008585A KR880004712A (ko) | 1986-09-25 | 1987-08-05 | 이어 마이크 |
AU77994/87A AU609413B2 (en) | 1986-09-25 | 1987-09-04 | Communications device |
FR878712874A FR2604589B1 (fr) | 1986-09-25 | 1987-09-17 | Microphone auriculaire incorpore dans un ecouteur |
KR2019900015557U KR900010854Y1 (ko) | 1986-09-25 | 1990-10-11 | 이어 마이크 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14675786U JPS63171084U (US07655746-20100202-C00011.png) | 1986-09-25 | 1986-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63171084U true JPS63171084U (US07655746-20100202-C00011.png) | 1988-11-08 |
Family
ID=15414884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14675786U Pending JPS63171084U (US07655746-20100202-C00011.png) | 1986-09-25 | 1986-09-25 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS63171084U (US07655746-20100202-C00011.png) |
CA (1) | CA1287914C (US07655746-20100202-C00011.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420898U (US07655746-20100202-C00011.png) * | 1977-07-08 | 1979-02-09 |
-
1986
- 1986-09-25 JP JP14675786U patent/JPS63171084U/ja active Pending
-
1987
- 1987-07-14 CA CA 541983 patent/CA1287914C/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420898U (US07655746-20100202-C00011.png) * | 1977-07-08 | 1979-02-09 |
Also Published As
Publication number | Publication date |
---|---|
CA1287914C (en) | 1991-08-20 |